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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03020160
Registration number
NCT03020160
Ethics application status
Date submitted
21/12/2016
Date registered
13/01/2017
Date last updated
11/01/2023
Titles & IDs
Public title
A Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Emicizumab Given Every 4 Weeks in Participants With Hemophilia A
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Scientific title
A Multicenter, Open-Label, Phase III Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Emicizumab Given Every 4 Weeks (Q4W) in Patients With Hemophilia A
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Secondary ID [1]
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2016-001094-33
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Secondary ID [2]
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BO39182
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Universal Trial Number (UTN)
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Trial acronym
HAVEN 4
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Hemophilia A
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Condition category
Condition code
Blood
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Clotting disorders
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Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Emicizumab
Experimental: Emicizumab: PK Run-in Cohort - Participants received emicizumab subcutaneously (SC) at a dose of 6 mg/kg once every 4 weeks, with no loading dose, for at least 24 weeks.
Experimental: Emicizumab: Expansion Cohort - Participants received emicizumab subcutaneously (SC) at a loading dose of 3 mg/kg once every week for the first 4 weeks followed by a maintenance dose of 6 mg/kg emicizumab SC once every 4 weeks for at least 24 weeks.
Treatment: Drugs: Emicizumab
Emicizumab will be administered according to dose and schedule described in respective arms. After at least 24 weeks on prophylactic emicizumab, individuals who experienced suboptimal bleeding control on emicizumab (according to protocol-defined criteria) had the opportunity to increase their dose to 3 mg/kg weekly. Upon implementation of protocol Version 5 (20-Dec-2019), treatment duration was extended. During this study prolongation, participants had the opportunity to switch to a preferred emicizumab dosing regimen (1.5 mg/kg weekly, 3 mg/kg every 2 weeks, or 6 mg/kg every 4 weeks) in order to provide them the same flexibility as with commercial product.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Expansion Part: Annualized Bleeding Rate (ABR) for Treated Bleeds
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Assessment method [1]
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The number of treated bleeds over the efficacy period is presented as an annualized bleeding rate (ABR) that was analyzed using a negative binomial regression model with efficacy period as an offset to account for the difference in follow-up times. A bleed is considered a "treated bleed" if it is directly followed (i.e., no intervening bleed) by a hemophilia medication reported to be a "treatment for bleed", irrespective of time between treatment and the preceding bleed. A bleed and the first treatment thereafter and before a new bleed starts, are considered to be pairs, with the following exception: if multiple bleeds occur on the same calendar day, the subsequent treatment is considered to apply for each of these multiple bleeds. The 72-hour rule was implemented: two bleeds of the same type and at the same anatomical location are counted as one bleed if the second bleed occurs within 72 hours from the last treatment for the first bleed. Bleeds due to surgery/procedure are excluded.
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Timepoint [1]
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From Baseline to at least 24 weeks
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Primary outcome [2]
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Expansion Part: Annualized Bleeding Rate (ABR) for All Bleeds
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Assessment method [2]
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The number of all bleeds over the efficacy period is presented as an annualized bleeding rate (ABR) that was analyzed using a negative binomial regression model with efficacy period as an offset to account for the difference in follow-up times (i.e., the time that each participant stays in the study). In this outcome measure, all bleeds are included, irrespective of treatment with coagulation factors, with the following exception: bleeds due to surgery/procedure are excluded. As "all bleeds" comprises both treated and non-treated bleeds, the 72-hour rule was implemented separately for treated and non-treated bleeds. For treated bleeds, the 72-hour rule was implemented exactly as defined for the "treated bleeds" outcome measure. For non-treated bleeds, the 72-hour rule was implemented by calculating a treatment-free period of 72 hours from the bleed itself.
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Timepoint [2]
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From Baseline to at least 24 weeks
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Primary outcome [3]
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Expansion Part: Annualized Bleeding Rate (ABR) for Treated Spontaneous Bleeds
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Assessment method [3]
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The number of treated spontaneous bleeds over the efficacy period is presented as an annualized bleeding rate (ABR) that was analyzed using a negative binomial regression model with efficacy period as an offset to account for the difference in follow-up times (i.e., the time that each participant stays in the study). A bleed is classified as "spontaneous" if there is no other known contributing factor such as trauma or procedure/surgery. A "treated spontaneous bleed" is a spontaneous bleed that also fulfills the conditions of a treated bleed (see ABR for Treated Bleeds for the definition). Treated bleeds that fulfilled the 72-hour rule were included in the analysis of spontaneous bleeds. Bleeds due to surgery/procedure are excluded.
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Timepoint [3]
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From Baseline to at least 24 weeks
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Primary outcome [4]
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Expansion Part: Annualized Bleeding Rate (ABR) for Treated Joint Bleeds
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Assessment method [4]
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The number of treated joint bleeds over the efficacy period is presented as an annualized bleeding rate (ABR) that was analyzed using a negative binomial regression model with efficacy period as an offset to account for the difference in follow-up times (i.e., the time that each participant stays in the study). A "joint bleed" is defined as a bleed with type reported as "joint" and with at least one of the following symptoms: increasing swelling or warmth of the skin over the joint and/or increasing pain, decreased range of motion, or difficulty using the joint compared with baseline. A "treated joint bleed" is a joint bleed that also fulfills the conditions of a treated bleed (see ABR for Treated Bleeds for the definition). Treated bleeds that fulfilled the 72-hour rule were included in the analysis of joint bleeds, excluding bleeds due to surgery/procedure.
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Timepoint [4]
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From Baseline to at least 24 weeks
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Primary outcome [5]
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Expansion Part: Annualized Bleeding Rate (ABR) for Treated Target Joint Bleeds
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Assessment method [5]
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The number of treated target joint bleeds over the efficacy period is presented as an annualized bleeding rate (ABR) that was analyzed using a negative binomial regression model with efficacy period as an offset to account for the difference in follow-up times (i.e., the time that each participant stays in the study). A "target joint bleed" is defined as a joint bleed in a target joint, which is a joint location where at least 3 bleeds have occurred over the last 24 weeks prior to study entry. A "treated target joint bleed" is a target joint bleed that also fulfills the conditions of a treated bleed (see ABR for Treated Bleeds for the definition). Bleeds due to surgery/procedure are excluded.
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Timepoint [5]
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From Baseline to at least 24 weeks
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Secondary outcome [1]
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Expansion Part: Change From Baseline to Week 25 in the Hemophilia A Quality of Life (Haem-A-QoL) Questionnaire Total Score for Adult Participants (=18 Years of Age)
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Assessment method [1]
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The Haem-A-QoL is a patient-reported questionnaire that was designed for adult participants with hemophilia. It consists of 46 items comprising 10 dimensions (physical health, sports and leisure, school and work, dealing with hemophilia, family planning, feelings, relationships, treatment, view of yourself, and outlook for the future) and a scale representing Total Score. Items are rated along five response options: never, rarely, sometimes, often, or all the time; although for some items there is also a "not applicable" option. Scale scores range from 0 to 100 with lower scores reflective of better quality of life. A decrease of 7 points or more on the Total Score was defined as the threshold for a clinically meaningful improvement.
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Timepoint [1]
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Baseline, Week 25
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Secondary outcome [2]
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Expansion Part: Percentage of Adult Participants (=18 Years of Age) With a Clinically Meaningful Improvement From Baseline to Week 25 in the Haem-A-QoL Questionnaire Total Score
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Assessment method [2]
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The Haem-A-QoL is a patient-reported questionnaire that was designed for adult participants with hemophilia. It consists of 46 items comprising 10 dimensions (physical health, sports and leisure, school and work, dealing with hemophilia, family planning, feelings, relationships, treatment, view of yourself, and outlook for the future) and a scale representing Total Score. Items are rated along five response options: never, rarely, sometimes, often, or all the time; although for some items there is also a "not applicable" option. Scale scores range from 0 to 100 with lower scores reflective of better quality of life. A decrease of 7 points or more on the Total Score was defined as the threshold for a clinically meaningful improvement.
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Timepoint [2]
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Baseline, Week 25
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Secondary outcome [3]
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Expansion Part: Change From Baseline to Week 25 in the Haem-A-QoL Questionnaire Physical Health Score for Adult Participants (=18 Years of Age)
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Assessment method [3]
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The Haem-A-QoL is a patient-reported questionnaire that was designed for adult participants with hemophilia. It consists of 46 items comprising 10 dimensions (physical health, sports and leisure, school and work, dealing with hemophilia, family planning, feelings, relationships, treatment, view of yourself, and outlook for the future) and a scale representing Total Score. Items are rated along five response options: never, rarely, sometimes, often, or all the time; although for some items there is also a "not applicable" option. Scale scores range from 0 to 100 with lower scores reflective of better quality of life. A decrease of 10 points or more on the Physical Health Score was defined as the threshold for a clinically meaningful improvement.
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Timepoint [3]
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Baseline, Week 25
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Secondary outcome [4]
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Expansion Part: Percentage of Adult Participants (=18 Years of Age) With a Clinically Meaningful Improvement From Baseline to Week 25 in the Haem-A-QoL Questionnaire Physical Health Score
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Assessment method [4]
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The Haem-A-QoL is a patient-reported questionnaire that was designed for adult participants with hemophilia. It consists of 46 items comprising 10 dimensions (physical health, sports and leisure, school and work, dealing with hemophilia, family planning, feelings, relationships, treatment, view of yourself, and outlook for the future) and a scale representing Total Score. Items are rated along five response options: never, rarely, sometimes, often, or all the time; although for some items there is also a "not applicable" option. Scale scores range from 0 to 100 with lower scores reflective of better quality of life. A decrease of 10 points or more on the Physical Health Score was defined as the threshold for a clinically meaningful improvement.
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Timepoint [4]
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Baseline, Week 25
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Secondary outcome [5]
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Expansion Part: Change From Baseline to Week 25 in the Hemophilia-Quality of Life-Short Form (Haemo-QoL-SF) Questionnaire Total Score for Adolescent Participants (12-17 Years of Age)
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Assessment method [5]
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The Haemo-QoL-SF was developed in a series of age-related questionnaires to measure health-related quality of life (HRQoL) in children and adolescents with hemophilia. The short version for older children containing 35 items was selected for adolescents in this study. Items are rated along five response options: never, rarely, sometimes, often, or all the time. This version covers nine dimensions considered relevant for the children's HRQoL (physical health, feelings, view of yourself, family, friends, other people, sports and school, dealing with hemophilia, and treatment). Scale scores range from 0 to 100, with lower scores indicating better HRQoL. Given the small number of adolescent participants, the results of the Haemo-QoL-SF questionnaire should be interpreted with caution.
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Timepoint [5]
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Baseline, Week 25
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Secondary outcome [6]
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Expansion Part: Change From Baseline to Week 25 in the European Quality of Life-5 Dimensions-5 Levels (EQ-5D-5L) Questionnaire Visual Analogue Scale (VAS) Score
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Assessment method [6]
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The EQ-5D-5L is a self-reported health status questionnaire that consists of six questions used to calculate a health utility score for use in health economic analysis. There are two components to the EQ-5D-5L: a five-item health state profile that assesses mobility, self-care, usual activities, pain/discomfort, and anxiety/depression used to obtain an Index Utility Score, as well as a visual analogue scale (VAS) that measures health state. The VAS is designed to rate the participant's current health state on a scale from 0 to 100, where 0 represents the worst imaginable health state and 100 represents the best imaginable health state. An increase in the VAS score of 7 points or greater was defined as the threshold for a meaningful improvement.
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Timepoint [6]
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Baseline, Week 25
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Secondary outcome [7]
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Expansion Part: Percentage of Participants With a Meaningful Improvement From Baseline to Week 25 in the EQ-5D-5L Questionnaire VAS Score
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Assessment method [7]
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The EQ-5D-5L is a self-reported health status questionnaire that consists of six questions used to calculate a health utility score for use in health economic analysis. There are two components to the EQ-5D-5L: a five-item health state profile that assesses mobility, self-care, usual activities, pain/discomfort, and anxiety/depression used to obtain an Index Utility Score, as well as a visual analogue scale (VAS) that measures health state. The VAS is designed to rate the participant's current health state on a scale from 0 to 100, where 0 represents the worst imaginable health state and 100 represents the best imaginable health state. An increase in the VAS score of 7 points or greater was defined as the threshold for a meaningful improvement.
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Timepoint [7]
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Baseline, Week 25
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Secondary outcome [8]
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Expansion Part: Change From Baseline to Week 25 in the EQ-5D-5L Questionnaire Index Utility Score
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Assessment method [8]
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The EQ-5D-5L is a self-reported health status questionnaire that consists of six questions used to calculate a health utility score for use in health economic analysis. There are two components to the EQ-5D-5L: a five-item health state profile that assesses mobility, self-care, usual activities, pain/discomfort, and anxiety/depression used to obtain an Index Utility Score, as well as a visual analogue scale (VAS) that measures health state. Published weighting systems allow for creation of a single summary score for the Index Utility Score where overall scores range from 0 to 1, with lower scores representing a higher level of dysfunction. An increase in the Index Utility Score of 0.07 points or greater was defined as the threshold for a meaningful improvement.
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Timepoint [8]
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Baseline, Week 25
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Secondary outcome [9]
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Expansion Part: Percentage of Participants With a Meaningful Improvement From Baseline to Week 25 in the EQ-5D-5L Questionnaire Index Utility Score
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Assessment method [9]
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The EQ-5D-5L is a self-reported health status questionnaire that consists of six questions used to calculate a health utility score for use in health economic analysis. There are two components to the EQ-5D-5L: a five-item health state profile that assesses mobility, self-care, usual activities, pain/discomfort, and anxiety/depression used to obtain an Index Utility Score, as well as a visual analogue scale (VAS) that measures health state. Published weighting systems allow for creation of a single summary score for the Index Utility Score where overall scores range from 0 to 1, with lower scores representing a higher level of dysfunction. An increase in the Index Utility Score of 0.07 points or greater was defined as the threshold for a meaningful improvement.
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Timepoint [9]
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Baseline, Week 25
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Secondary outcome [10]
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Expansion Part: Proportion of Days Away From Work to Expected Days at Work in the Previous Four Weeks
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Assessment method [10]
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Participants enrolled in the expansion part of the study reported at each time point the number of days away from work (i.e., days of work missed) and the expected number of days at work in the previous four weeks, which is reported here for each time point as the proportion of the number of days away from work to the expected number of days at work.
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Timepoint [10]
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Predose at Baseline, Weeks 13 and 25
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Secondary outcome [11]
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Expansion Part: Proportion of Days Away From School to Expected Days at School in the Previous Four Weeks
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Assessment method [11]
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Participants enrolled in the expansion part of the study reported at each time point the number of days away from school (i.e., days of school missed) and the expected number of days at school in the previous four weeks, which is reported here as the proportion of the number of days away from school to the expected number of days at school.
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Timepoint [11]
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Predose at Baseline, Weeks 13 and 25
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Secondary outcome [12]
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Expansion Part: Number of Days Hospitalized
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Assessment method [12]
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Timepoint [12]
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From Baseline until at least 24 weeks of treatment (median [min-max] observation time: 25.57 [24.1-29.4] weeks)
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Secondary outcome [13]
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Expansion Part: Percentage of Participants Who Preferred Either the New Emicizumab Subcutaneous (SC) Treatment or Their Previous Hemophilia Intravenous (IV) Treatment, or Had No Preference, as Assessed Using the Emicizumab Preference Survey
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Assessment method [13]
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The Emicizumab Preference Survey is a fit-for-purpose questionnaire developed by the sponsor to record the participant's preference for treatment with intravenous (IV) factor VIIII (FVIII) or subcutaneous (SC) emicizumab, or no preference.
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Timepoint [13]
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Predose at Week 17
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Secondary outcome [14]
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PK Run-In Part: Time to Reach Maximum Observed Plasma Concentration (Tmax) of Emicizumab
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Assessment method [14]
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Timepoint [14]
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Week 1 Day 1 predose (0 hours) and 8 hours postdose, and Week 1 Days 3 and 5, Week 2 Days 8 and 11, Week 3 Days 15 and 18, Week 4 Days 22 and 25, and Day 1 of Weeks 5, 21, 22, 23, 24, and 25
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Secondary outcome [15]
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PK Run-In Part: Maximum Observed Plasma Concentration (Cmax) of Emicizumab
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Assessment method [15]
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0
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Timepoint [15]
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Week 1 Day 1 predose (0 hours) and 8 hours postdose, and Week 1 Days 3 and 5, Week 2 Days 8 and 11, Week 3 Days 15 and 18, Week 4 Days 22 and 25, and Day 1 of Weeks 5, 21, 22, 23, 24, and 25
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Secondary outcome [16]
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PK Run-In Part: Area Under the Plasma Concentration-Time Curve From Time Zero to End of Dosing Interval (AUC[0-tau]) of Emicizumab
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Assessment method [16]
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Timepoint [16]
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Week 1 Day 1 predose (0 hours) and 8 hours postdose, and Week 1 Days 3 and 5, Week 2 Days 8 and 11, Week 3 Days 15 and 18, Week 4 Days 22 and 25, and Day 1 of Weeks 5, 21, 22, 23, 24, and 25
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Secondary outcome [17]
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PK Run-In Part: Area Under the Plasma Concentration-Time Curve From Time Zero to Extrapolated Infinite Time (AUC[0-inf]) of Emicizumab
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Assessment method [17]
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Timepoint [17]
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Week 1 Day 1 predose (0 hours) and 8 hours postdose, and Week 1 Days 3 and 5, Week 2 Days 8 and 11, Week 3 Days 15 and 18, Week 4 Days 22 and 25, and Day 1 of Weeks 5, 21, 22, 23, 24, and 25
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Secondary outcome [18]
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PK Run-In Part: Apparent Plasma Terminal Half-Life (t1/2) of Emicizumab
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Assessment method [18]
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0
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Timepoint [18]
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Week 1 Day 1 predose (0 hours) and 8 hours postdose, and Week 1 Days 3 and 5, Week 2 Days 8 and 11, Week 3 Days 15 and 18, Week 4 Days 22 and 25, and Day 1 of Weeks 5, 21, 22, 23, 24, and 25
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Secondary outcome [19]
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PK Run-In Part: Apparent Clearance (CL/F) of Emicizumab
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Assessment method [19]
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Only CL/F is reported after the first dose; the apparent clearance at steady state (CLss/F) is reported after the sixth dose instead. This is because t1/2 was not properly estimated after the first dose due to sampling time and dosing schedule, and dependent PK parameters, such as CL/F, could not be estimated.
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Timepoint [19]
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Week 1 Day 1 predose (0 hours) and 8 hours postdose, and Week 1 Days 3 and 5, Week 2 Days 8 and 11, Week 3 Days 15 and 18, Week 4 Days 22 and 25, and Day 1 of Weeks 5, 21, 22, 23, 24, and 25
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Secondary outcome [20]
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PK Run-In Part: Plasma Concentration of Emicizumab at Specified Timepoints
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Assessment method [20]
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0
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Timepoint [20]
0
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Week 1 Day 1 predose and 8 hours postdose, and Week 1 Days 3 and 5, Week 2 Days 8 and 11, Week 3 Days 15 and 18, Week 4 Days 22 and 25, and Day 1 of Weeks 5, 6, 7, 8, 9, 11, 13, 15, 17, 19, 21, 22, 23, 24, and 25, and every 12 weeks thereafter to Week 265
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Secondary outcome [21]
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Expansion Part: Plasma Concentration of Emicizumab at Specified Timepoints
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Assessment method [21]
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0
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Timepoint [21]
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Predose at Weeks 1, 2, 3, 4, 5, 9, 13, 17, 21, 25, 37, 49, 61, 73. 85, 97, 109, 121, 133, 145, 157, 169, 181, 193, 205, 217, 229, 241, and 253
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Secondary outcome [22]
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Number of Participants With at Least One Adverse Event
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Assessment method [22]
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The number of participants experiencing at least one adverse event (AE), including all non-serious and serious AEs, is reported here. According to the ICH guideline for Good Clinical Practice, an AE is any untoward medical occurrence in a clinical investigation subject administered a pharmaceutical product, regardless of causal attribution. The terms "severe" and "serious" are not synonymous. A serious AE is any AE that is a significant medical event meeting any of the standard criteria. Severity refers to the intensity of an AE (e.g., rated as mild, moderate, or severe, or according to the World Health Organization \[WHO\] toxicity grading scale); the event itself may be of relatively minor medical significance. Severity and seriousness were independently assessed by the investigator for each reported AE.
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Timepoint [22]
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From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [23]
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Number of Participants With at Least One Grade =3 Adverse Event
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Assessment method [23]
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The World Health Organization (WHO) Toxicity Grading Scale was used for assessing adverse event (AE) severity. For AEs that are not specifically listed in the WHO Toxicity Grading Scale, a Grade 3 AE is defined as: severe, marked limitation in activity, some assistance usually required, medical intervention or therapy required, hospitalization possible; and a Grade 4 AE is defined as: life-threatening, extreme limitation in activity, significant assistance required, significant medical intervention or therapy required, hospitalization or hospice care probable. The terms "severe" and "serious" are not synonymous. A serious AE is any AE that is a significant medical event meeting any of the standard criteria. Severity refers to the intensity of an AE; the event itself may be of relatively minor medical significance. Severity and seriousness were independently assessed by the investigator for each reported AE.
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Timepoint [23]
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From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [24]
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Number of Participants With at Least One Adverse Event Leading to Withdrawal From Treatment
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Assessment method [24]
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0
According to the ICH guideline for Good Clinical Practice, an AE is any untoward medical occurrence in a clinical investigation subject administered a pharmaceutical product, regardless of causal attribution. The terms "severe" and "serious" are not synonymous. A serious AE is any AE that is a significant medical event meeting any of the standard criteria. Severity refers to the intensity of an AE (e.g., rated as mild, moderate, or severe, or according to the World Health Organization \[WHO\] toxicity grading scale); the event itself may be of relatively minor medical significance. Severity and seriousness were independently assessed by the investigator for each reported AE.
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Timepoint [24]
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0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [25]
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Number of Participants With at Least One Adverse Event Related to Study Treatment
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Assessment method [25]
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According to the ICH guideline for Good Clinical Practice, an adverse event (AE) is any untoward medical occurrence in a clinical investigation subject administered a pharmaceutical product, regardless of causal attribution. In order to assess the causality of an AE, investigators used their knowledge of the patient, the circumstances surrounding the event, and an evaluation of any potential alternative causes to determine whether an AE is considered to be related to the study drug, indicating "yes" or "no" accordingly.
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Timepoint [25]
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0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [26]
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Number of Participants With at Least One Adverse Event of Changes From Baseline in Vital Signs
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Assessment method [26]
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The number of participants with adverse events of changes from baseline in vital signs is reported here. Vital signs measurements consisted of heart and respiratory rate, temperature, and systolic and diastolic blood pressures, with an abnormal vital sign value being outside of the normal range. An abnormal vital sign result was reported as an adverse event if it met any of the following criteria: was accompanied by clinical symptoms; resulted in a change in study treatment (e.g., dosage modification, treatment interruption or discontinuation); resulted in a medical intervention or a change in concomitant therapy; or was clinically significant in the investigator's judgment. All of the adverse events reported here were assessed independently by the investigator as not related to treatment with emicizumab.
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Timepoint [26]
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0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [27]
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Number of Participants With at Least One Adverse Event of Changes From Baseline in Physical Examination Findings
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Assessment method [27]
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0
Post-baseline physical examination abnormalities that were not present at baseline or worsened were reported as adverse events.
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Timepoint [27]
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0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [28]
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0
Number of Participants With at Least One Shift in Clinical Laboratory Parameters From Baseline World Health Organization (WHO) Toxicity Scale Grade 0-2 to Post-Baseline WHO Grade 3 or 4
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Assessment method [28]
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An abnormal laboratory value was defined as a laboratory test result outside of the normal range for hematology or serum chemistry parameters. The WHO toxicity grading scale, which ranges from Grades 1 to 4 (least severe to most severe, respectively; Grade 0 is within normal range), was used for assessing the severity of laboratory abnormalities and adverse events (WHO 2003). Not every laboratory abnormality qualified as an adverse event; an abnormality was reported as an adverse event if it met any of the following criteria: was accompanied by clinical symptoms; resulted in a change in study treatment (e.g., dosage modification, treatment interruption or discontinuation); resulted in a medical intervention or a change in concomitant therapy; or was clinically significant in the investigator's judgment. In this study, any laboratory value changes were transient and returned to baseline for all participants.
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Timepoint [28]
0
0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [29]
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0
Number of Participants With at Least One Local Injection-Site Reaction
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Assessment method [29]
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Local adverse events that occurred within 24 hours after study drug administration and, in the investigator's opinion, were judged to be related to study drug injection, were captured as an "injection-site reaction" on the Adverse Event electronic Case Report Form (eCRF). An injection-related reaction that was localized was marked as a "local injection-site reaction."
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Timepoint [29]
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0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
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Secondary outcome [30]
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Number of Participants With at Least One Thromboembolic Event
Query!
Assessment method [30]
0
0
Hypercoagulation and thromboembolic events were to be reported as serious adverse events or adverse events of special interest. Healthcare providers educated patients/caregivers to recognize the signs and symptoms of potential thromboembolism (i.e., dyspnea, chest pain, leg pain or swelling, etc.) and to ensure that they understood the importance of seeking appropriate medical attention.
Query!
Timepoint [30]
0
0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
Query!
Secondary outcome [31]
0
0
Number of Participants With at Least One Thrombotic Microangiopathy
Query!
Assessment method [31]
0
0
Thrombotic microangiopathy is used to describe a group of disorders with clinical features of microangiopathic hemolytic anemia, thrombocytopenia, and organ damage that can include the kidneys, gastrointestinal system, or central nervous system, etc. Thrombotic microangiopathy events were to be reported as serious adverse events or adverse events of special interest.
Query!
Timepoint [31]
0
0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
Query!
Secondary outcome [32]
0
0
Number of Participants With at Least One Systemic Hypersensitivity, Anaphylaxis, or Anaphylactoid Reaction
Query!
Assessment method [32]
0
0
Since emicizumab is a biological product, acute, systemic hypersensitivity reactions, including anaphylaxis and anaphylactic reactions, may occur. These events were to be reported as serious adverse events or adverse events of special interest. Healthcare providers (HCP) instructed patients and caregivers how to recognize the signs and symptoms of hypersensitivity, anaphylactic, and anaphylactoid reactions and to contact an HCP or seek emergency care in case of any such occurrence.
Query!
Timepoint [32]
0
0
From Baseline to study completion, dose up-titration, or change of dosing regimen, whichever occurred first (up to 5 years, 5 months)
Query!
Secondary outcome [33]
0
0
Number of Participants With Anti-Drug Antibodies to Emicizumab at Any Time Post-Baseline During the Study
Query!
Assessment method [33]
0
0
A validated enzyme-linked immunosorbent assay (ELISA) method was used to analyze the levels of anti-drug antibodies (ADAs) to emicizumab in blood plasma samples. Participants were considered ADA-positive if they were ADA-negative at baseline but developed an ADA response following study drug administration (treatment-induced ADA response), or if they were ADA-positive at baseline and the titer of one or more post-baseline samples was at least 4-fold greater (i.e., = 0.60 titer units) than the titer of the baseline sample (treatment-enhanced ADA response).
Query!
Timepoint [33]
0
0
Baseline, Weeks 5, 9, 13, 17, 21, and 25, and every 12 weeks thereafter until study completion (up to 5 years, 5 months)
Query!
Secondary outcome [34]
0
0
Number of Participants With De Novo Development of Anti-Factor VIII (FVIII) Antibodies
Query!
Assessment method [34]
0
0
The levels of anti-FVIII antibodies (inhibitors) were analyzed using a validated FVIII activity assay. A participant was considered to have developed de novo FVIII inhibitors if the inhibitor levels detected in a post-baseline sample reached or exceeded a pre-determined threshold.
Query!
Timepoint [34]
0
0
Baseline, Weeks 9 and 17 (for non-inhibitor subjects only), Week 25, and every 12 weeks thereafter until study completion (up to 5 years, 5 months)
Query!
Secondary outcome [35]
0
0
Long-Term Efficacy of Emicizumab: Model-Based Annualized Bleeding Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds
Query!
Assessment method [35]
0
0
The number of bleeds over the efficacy period was assessed as an ABR using a negative binomial (NB) regression model, which accounts for different follow-up times. Treated bleeds: a bleed for which coagulation factors were administered. All bleeds included both treated and non-treated bleeds. Treated spontaneous bleeds: treated bleeds with no known contributing factor (e.g., trauma, surgery). Treated joint bleeds: treated bleeds in a joint associated with unusual sensation (aura) in a joint, in combination with another symptom: swelling/warmth, pain/decreased range of motion (RoM), or difficulty moving the joint. Treated target joint bleeds: treated joint bleeds in a target joint, defined as a joint in which greater than or equal to (=) 3 treated joint bleeds occurred during the last 24 weeks prior to study entry. For all types of bleeds: the 72-hour rule was implemented, and bleeds due to surgery/procedure and bleeds after up-titration or change of dosing regimen were excluded.
Query!
Timepoint [35]
0
0
From start of emicizumab treatment to study completion, dose up-titration, or change of dosing regimen (median [min-max] efficacy period for all emicizumab participants: 191.14 [28.0-264.4] weeks)
Query!
Secondary outcome [36]
0
0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleeding Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds
Query!
Assessment method [36]
0
0
The number of bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. Treated bleeds: a bleed for which coagulation factors were administered. All bleeds included both treated and non-treated bleeds. Treated spontaneous bleeds: treated bleeds with no known contributing factor (e.g., trauma, surgery). Treated joint bleeds: treated bleeds in a joint associated with unusual sensation (aura) in a joint, in combination with another symptom: swelling/warmth, pain/decreased range of motion (RoM), or difficulty moving the joint. Treated target joint bleeds: treated joint bleeds in a target joint, defined as a joint in which greater than or equal to (=) 3 treated joint bleeds occurred during the last 24 weeks prior to study entry. For all types of bleeds: the 72-hour rule was implemented, and bleeds due to surgery/procedure and bleeds after up-titration or change of dosing regimen were excluded.
Query!
Timepoint [36]
0
0
From start of emicizumab treatment to study completion, dose up-titration, or change of dosing regimen (median [min-max] efficacy period for all emicizumab participants: 191.14 [28.0-264.4] weeks)
Query!
Secondary outcome [37]
0
0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleeding Rates (ABR) for Treated Bleeds, All Bleeds, Treated Spontaneous Bleeds, Treated Joint Bleeds, and Treated Target Joint Bleeds
Query!
Assessment method [37]
0
0
The number of bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. Treated bleeds: a bleed for which coagulation factors were administered. All bleeds included both treated and non-treated bleeds. Treated spontaneous bleeds: treated bleeds with no known contributing factor (e.g., trauma, surgery). Treated joint bleeds: treated bleeds in a joint associated with unusual sensation (aura) in a joint, in combination with another symptom: swelling/warmth, pain/decreased range of motion (RoM), or difficulty moving the joint. Treated target joint bleeds: treated joint bleeds in a target joint, defined as a joint in which greater than or equal to (=) 3 treated joint bleeds occurred during the last 24 weeks prior to study entry. For all types of bleeds: the 72-hour rule was implemented, and bleeds due to surgery/procedure and bleeds after up-titration or change of dosing regimen were excluded.
Query!
Timepoint [37]
0
0
From start of emicizumab treatment to study completion, dose up-titration, or change of dosing regimen (median [min-max] efficacy period for all emicizumab participants: 191.14 [28.0-264.4] weeks)
Query!
Secondary outcome [38]
0
0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleeding Rates (ABR) for Treated Bleeds Per 12-Week Intervals Over Time
Query!
Assessment method [38]
0
0
The number of treated bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. Treated bleeds: a bleed for which coagulation factors were administered. The 72-hour rule was implemented: two bleeds of the same type and at the same anatomical location were counted as one bleed if the second bleed occurred within 72 hours from the last treatment for the first bleed. Bleeds due to surgery/procedure were excluded. For participants with dose up-titration or a change in emicizumab dosing regimen (after implementation of protocol v5), the efficacy period ended the day before the first day on the up-titrated dose or changed dosing regimen.
Query!
Timepoint [38]
0
0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, 229-240, 241-252, and 253-264 weeks
Query!
Secondary outcome [39]
0
0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleeding Rates (ABR) for Treated Bleeds Per 12-Week Intervals Over Time
Query!
Assessment method [39]
0
0
The number of treated bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. Treated bleeds: a bleed for which coagulation factors were administered. The 72-hour rule was implemented: two bleeds of the same type and at the same anatomical location were counted as one bleed if the second bleed occurred within 72 hours from the last treatment for the first bleed. Bleeds due to surgery/procedure were excluded. For participants with dose up-titration or a change in emicizumab dosing regimen (after implementation of protocol v5), the efficacy period ended the day before the first day on the up-titrated dose or changed dosing regimen.
Query!
Timepoint [39]
0
0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, 229-240, 241-252, and 253-264 weeks
Query!
Secondary outcome [40]
0
0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleeding Rates (ABR) for All Bleeds Per 12-Week Intervals Over Time
Query!
Assessment method [40]
0
0
The number of all bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. All bleeds included both treated bleeds (with coagulation factors) and non-treated bleeds. The 72-hour rule was implemented: two bleeds of the same type and at the same anatomical location were counted as one bleed if the second bleed occurred within 72 hours from the last treatment for the first bleed. Bleeds due to surgery/procedure were excluded. For participants with dose up-titration or a change in emicizumab dosing regimen (after implementation of protocol v5), the efficacy period ended the day before the first day on the up-titrated dose or changed dosing regimen.
Query!
Timepoint [40]
0
0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, 229-240, 241-252, and 253-264 weeks
Query!
Secondary outcome [41]
0
0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleeding Rates (ABR) for All Bleeds Per 12-Week Intervals Over Time
Query!
Assessment method [41]
0
0
The number of all bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. All bleeds included both treated bleeds (with coagulation factors) and non-treated bleeds. The 72-hour rule was implemented: two bleeds of the same type and at the same anatomical location were counted as one bleed if the second bleed occurred within 72 hours from the last treatment for the first bleed. Bleeds due to surgery/procedure were excluded. For participants with dose up-titration or a change in emicizumab dosing regimen (after implementation of protocol v5), the efficacy period ended the day before the first day on the up-titrated dose or changed dosing regimen.
Query!
Timepoint [41]
0
0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, 229-240, 241-252, and 253-264 weeks
Query!
Secondary outcome [42]
0
0
Long-Term Efficacy of Emicizumab: Mean Calculated Annualized Bleeding Rates (ABR) for Treated Spontaneous Bleeds Per 12-Week Intervals Over Time
Query!
Assessment method [42]
0
0
The number of treated spontaneous bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. Treated spontaneous bleeds were defined as treated (with coagulation factors) bleeds with no known contributing factor (e.g., trauma, surgery). The 72-hour rule was implemented: two bleeds of the same type and at the same anatomical location were counted as one bleed if the second bleed occurred within 72 hours from the last treatment for the first bleed. Bleeds due to surgery/procedure were excluded. For participants with dose up-titration or a change in emicizumab dosing regimen (after implementation of protocol v5), the efficacy period ended the day before the first day on the up-titrated dose or changed dosing regimen.
Query!
Timepoint [42]
0
0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, 229-240, 241-252, and 253-264 weeks
Query!
Secondary outcome [43]
0
0
Long-Term Efficacy of Emicizumab: Median Calculated Annualized Bleeding Rates (ABR) for Treated Spontaneous Bleeds Per 12-Week Intervals Over Time
Query!
Assessment method [43]
0
0
The number of treated spontaneous bleeds over the efficacy period was calculated as: ABR = (number of bleeds/number of days during the efficacy period) x 365.25. Treated spontaneous bleeds were defined as treated (with coagulation factors) bleeds with no known contributing factor (e.g., trauma, surgery). The 72-hour rule was implemented: two bleeds of the same type and at the same anatomical location were counted as one bleed if the second bleed occurred within 72 hours from the last treatment for the first bleed. Bleeds due to surgery/procedure were excluded. For participants with dose up-titration or a change in emicizumab dosing regimen (after implementation of protocol v5), the efficacy period ended the day before the first day on the up-titrated dose or changed dosing regimen.
Query!
Timepoint [43]
0
0
1-12, 13-24, 25-36, 37-48, 49-60, 61-72, 73-84, 85-96, 97-108, 109-120, 121-132, 133-144, 145-156, 157-168, 169-180, 181-192, 193-204, 205-216, 217-228, 229-240, 241-252, and 253-264 weeks
Query!
Eligibility
Key inclusion criteria
* Body weight greater than or equal to (>/=) 40 kilograms (kg) at screening
* Diagnosis of severe congenital hemophilia A or hemophilia A with FVIII inhibitors
* Participants using rFVIIa or willing to switch to recombinant activated factor VII (rFVIIa) as primary bypassing agent for the treatment of breakthrough bleeds
* FVIII inhibitor test during screening with titer results available prior to first administration of study drug
* Participants without FVIII inhibitors, that is with less than (<) 0.6 Bethesda unit per milliliter [BU/mL];< 1.0 BU/mL only for laboratories with an historical sensitivity cutoff for inhibitor detection of 1.0 BU/mL, who completed successful immune tolerance induction (ITI) must have done so at least 5 years before screening and must have no evidence of inhibitor recurrence (permanent or temporary) indicated by detection of an inhibitor greater than (>) 0.6 BU/mL (> 1.0 BU/mL only for laboratories with an historical sensitivity cutoff for inhibitor detection of 1.0 BU/mL) since ITI
* Adequate hematologic, hepatic, and renal function
Query!
Minimum age
12
Years
Query!
Query!
Maximum age
No limit
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Query!
Sex
Both males and females
Query!
Can healthy volunteers participate?
No
Query!
Key exclusion criteria
* Inherited or acquired bleeding disorder other than hemophilia A
* Ongoing or planned ITI therapy; participants in whom ITI has failed will be eligible with a 72-hour washout period prior to the first emicizumab administration
* History of illicit drug or alcohol abuse within 48 weeks prior to screening, in the investigator's judgment
* Participants who are at high risk for thrombotic microangiopathy (TMA) (for example, have a previous medical or family history of TMA), in the investigator's judgment
* Previous (within the last 12 months) or current treatment for thromboembolic disease (with the exception of previous catheter-associated thrombosis for which anti-thrombotic treatment is not currently ongoing) or signs of thromboembolic disease
* Other conditions (for example, certain autoimmune diseases) that may currently increase the risk of bleeding or thrombosis
* History of clinically significant hypersensitivity associated with monoclonal antibody therapies or components of the emicizumab injection
* Known HIV infection with cluster of differentiation (CD) 4 cells counts <200 cells per microliter (cells/mcL)
* Use of systemic immunomodulators (for example, interferon) at enrollment or planned use during the study, with the exception of anti-retroviral therapy
* Concomitant disease, condition, significant abnormality on screening evaluations or laboratory tests, or treatment that could interfere with the conduct of the study, or that would, in the opinion of the investigator, pose an additional unacceptable risk in administering study drug to the participant
* Pregnancy or lactation or intention to become pregnant during the study
* Women with a positive serum pregnancy test result within 7 days prior to initiation of study drug
Query!
Study design
Purpose of the study
Prevention
Query!
Allocation to intervention
Non-randomised trial
Query!
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Query!
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Query!
Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Query!
Query!
Query!
Intervention assignment
Parallel
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Other design features
Query!
Phase
Phase 3
Query!
Type of endpoint/s
Query!
Statistical methods / analysis
Query!
Recruitment
Recruitment status
Completed
Query!
Data analysis
Query!
Reason for early stopping/withdrawal
Query!
Other reasons
Query!
Date of first participant enrolment
Anticipated
Query!
Actual
30/01/2017
Query!
Date of last participant enrolment
Anticipated
Query!
Actual
Query!
Date of last data collection
Anticipated
Query!
Actual
29/06/2022
Query!
Sample size
Target
Query!
Accrual to date
Query!
Final
48
Query!
Recruitment in Australia
Recruitment state(s)
QLD,SA
Query!
Recruitment hospital [1]
0
0
Royal Brisbane Hospital; Clinical Haematology - Brisbane
Query!
Recruitment hospital [2]
0
0
Royal Adelaide Hospital; Haematology Clinical Trials - Adelaide
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Recruitment postcode(s) [1]
0
0
4029 - Brisbane
Query!
Recruitment postcode(s) [2]
0
0
5000 - Adelaide
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Recruitment outside Australia
Country [1]
0
0
United States of America
Query!
State/province [1]
0
0
California
Query!
Country [2]
0
0
United States of America
Query!
State/province [2]
0
0
Indiana
Query!
Country [3]
0
0
United States of America
Query!
State/province [3]
0
0
Michigan
Query!
Country [4]
0
0
United States of America
Query!
State/province [4]
0
0
North Carolina
Query!
Country [5]
0
0
Belgium
Query!
State/province [5]
0
0
Bruxelles
Query!
Country [6]
0
0
Belgium
Query!
State/province [6]
0
0
Leuven
Query!
Country [7]
0
0
Japan
Query!
State/province [7]
0
0
Hokkaido
Query!
Country [8]
0
0
Japan
Query!
State/province [8]
0
0
Nara
Query!
Country [9]
0
0
Japan
Query!
State/province [9]
0
0
Tokyo
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Country [10]
0
0
Poland
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State/province [10]
0
0
Warsaw
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Country [11]
0
0
Poland
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State/province [11]
0
0
Wroclaw
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Country [12]
0
0
Spain
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State/province [12]
0
0
Madrid
Query!
Country [13]
0
0
Spain
Query!
State/province [13]
0
0
Sevilla
Query!
Country [14]
0
0
Spain
Query!
State/province [14]
0
0
Valencia
Query!
Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Hoffmann-La Roche
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Address
Query!
Country
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Other collaborator category [1]
0
0
Commercial sector/industry
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Name [1]
0
0
Chugai Pharmaceutical
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Address [1]
0
0
Query!
Country [1]
0
0
Query!
Ethics approval
Ethics application status
Query!
Summary
Brief summary
This multicenter, open-label, non-randomized study will assess the efficacy, safety, pharmacokinetics, and pharmacodynamics of emicizumab administered at a dose of 6 milligrams per kilogram (mg/kg) every 4 weeks in participants with hemophilia A with or without inhibitors against factor VIII (FVIII). The study consists of 2 parts: a pharmacokinetic (PK) run-in part followed by an expansion part.
Query!
Trial website
https://clinicaltrials.gov/study/NCT03020160
Query!
Trial related presentations / publications
Kruse-Jarres R, Peyvandi F, Oldenburg J, Chang T, Chebon S, Doral MY, Croteau SE, Lambert T, Kempton CL, Pipe SW, Ko RH, Trzaskoma B, Dhalluin C, Bienz NS, Niggli M, Lehle M, Paz-Priel I, Young G, Jimenez-Yuste V. Surgical outcomes in people with hemophilia A taking emicizumab prophylaxis: experience from the HAVEN 1-4 studies. Blood Adv. 2022 Dec 27;6(24):6140-6150. doi: 10.1182/bloodadvances.2022007458. Pipe SW, Shima M, Lehle M, Shapiro A, Chebon S, Fukutake K, Key NS, Portron A, Schmitt C, Podolak-Dawidziak M, Selak Bienz N, Hermans C, Campinha-Bacote A, Kiialainen A, Peerlinck K, Levy GG, Jimenez-Yuste V. Efficacy, safety, and pharmacokinetics of emicizumab prophylaxis given every 4 weeks in people with haemophilia A (HAVEN 4): a multicentre, open-label, non-randomised phase 3 study. Lancet Haematol. 2019 Jun;6(6):e295-e305. doi: 10.1016/S2352-3026(19)30054-7. Epub 2019 Apr 16.
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Public notes
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Contacts
Principal investigator
Name
0
0
Clinical Trials
Query!
Address
0
0
Hoffmann-La Roche
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Country
0
0
Query!
Phone
0
0
Query!
Fax
0
0
Query!
Email
0
0
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Contact person for public queries
Name
0
0
Query!
Address
0
0
Query!
Country
0
0
Query!
Phone
0
0
Query!
Fax
0
0
Query!
Email
0
0
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Type
Other Details
Attachment
Study protocol
https://cdn.clinicaltrials.gov/large-docs/60/NCT03020160/Prot_002.pdf
Statistical analysis plan
https://cdn.clinicaltrials.gov/large-docs/60/NCT03020160/SAP_001.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT03020160
Download to PDF