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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04480086
Registration number
NCT04480086
Ethics application status
Date submitted
20/07/2020
Date registered
21/07/2020
Date last updated
29/08/2023
Titles & IDs
Public title
Safety and Tolerability Study of Mivebresib Tablet Alone or in Combination With Ruxolitinib Tablet or Navitoclax Tablet in Adult Participants With Myelofibrosis
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Scientific title
A Phase 1b Study of Mivebresib Alone or in Combination With Ruxolitinib or Navitoclax in Subjects With Myelofibrosis
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Secondary ID [1]
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2020-001226-65
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Secondary ID [2]
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M20-248
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
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Comparator / control treatment
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Control group
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Outcomes
Eligibility
Key inclusion criteria
* Laboratory values indicative of adequate bone marrow, renal, and hepatic function meeting protocol criteria
* Completion of the Myelofibrosis System Assessment Form (MFSAF) on at least 4 out of the 7 days prior to Day 1 with at least 2 symptoms with a score >=3 or a total score of >=10.
* Documented diagnosis of intermediate or high-risk primary myelofibrosis (PMF), post-polycythemia vera myelofibrosis (PPV-MF) or post-essential thrombocytopenia myelofibrosis (PET-MF) as defined by World Health Organization (WHO).
* Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1.
* Intermediate - 2, or High-Risk disease as defined by the Dynamic International Prognostic Scoring System (For Segment A only, Intermediate - 1 with palpable splenomegaly >=5 centimeters [cm] below costal margin are also eligible).
* Splenomegaly defined as spleen palpation measurement >= 5 centimeters (cm) below costal margin or spleen volume >= 450 cubic cms as assessed by Magnetic Resonance Imaging (MRI) or Computed Tomography (CT) scan (for Segments A and c, baseline spleen assessment must be obtained > 7 days after discontinuation of most recent Myelofibrosis (MF) therapy. If possible, this assessment should occur within 10 days of Cycle 1 Day 1).
Segment-Specific Prior Therapy Criteria:
* Segment A:
--Prior exposure to one or more Janus Kinase Inhibitors (JAKi), the most recent of which was discontinued > 28 days prior to Cycle 1 Day 1.
* Segment B:
* Currently receiving ruxolitinib; AND
* Willingness to reduce dose (if on a higher dose); and on a stable dose for 14 days or longer prior to Cycle 1 Day 1; AND
* At least one of the following criteria (a, b, or c):
1. >= 24 weeks duration of current ruxolitinib course, with evidence of disease that is resistant, refractory, or has lost response to ruxolitinib monotherapy;
2. < 24 weeks duration of current ruxolitinib course with documented disease progression as defined by any of the following:
* Appearance of new splenomegaly that is palpable to at least 5 centimeters (cm) below the left costal margin (LCM), in participants with no evidence of splenomegaly prior to the initiation of ruxolitinib.
* 100% increase in the palpable distance below the LCM, in participants with measurable spleen distance 5 - 10 cm prior to the initiation of ruxolitinib.
* 50% increase in the palpable distance below the LCM, in participants with measurable spleen > 10 cm prior to the initiation of ruxolitinib.
* A spleen volume increase >= 25% (as assessed by MRI or CT) in participants with a spleen volume assessment available prior to the initiation of ruxolitinib.
3. Prior treatment with ruxolitinib for >= 28 days complicated by any of the following:
* Development of red blood cell transfusion requirement (at least 2 units/month for 2 months).
* Grade >= 3 adverse events of neutropenia and/or anemia while on ruxolitinib treatment, with improvement or resolution upon dose reduction.
* Segment C:
* Prior exposure to one or more JAKi (the most recent of which was discontinued > 28 days prior to Cycle 1 Day 1), and are intolerant, resistant, refractory or lost response to teh JAKi.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Segment-Specific Prior Therapy Criteria:
* Segment A:
--Prior exposure to one or more Bromodomain and Extra Terminal (BET) inhibitors.
* Segment B:
--Prior exposure to one or more BET inhibitors.
* Segment C:
--Prior exposure to one or more BET inhibitors and/or any B-Cell Lymphoma 2 (BCL2) and/or B-Cell Lymphoma XL (BCLXL) inhibitor, including navitoclax.
* Segment D:
* Prior exposure to JAKi and/or any BET inhibitor.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Other
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Stopped early
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
17/03/2021
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
28/07/2023
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Sample size
Target
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Accrual to date
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Final
1
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
AbbVie
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
Myelofibrosis (MF) is a bone marrow illness that affects blood-forming tissues in the body. MF disturbs the body's normal production of blood cells, causing extensive scarring in the bone marrow. This leads to severe anemia, weakness, fatigue, and an enlarged spleen. The purpose of this study is to see how safe and tolerable mivebresib is, when given alone, and in combination with navitoclax or ruxolitinib, for adult participants with MF. Mivebresib is an investigational drug being developed for the treatment of MF. The study has 4 segments - A, B, C, and D. In Segment A, the safe dosing regimen of mivebresib is identified, and then given alone as monotherapy. In Segment B, C, and D, combination therapies of mivebresib with either ruxolitinib or navitoclax are given. Adult participants with a diagnosis of MF will be enrolled. Around 130 participants will be enrolled in 60 sites worldwide. In Segment A, participants will receive different doses and schedules of oral mivebresib tablet to identify a safe dosing regimen. Additional participants will be enrolled at the identified monotherapy dosing regimen. In Segment B, participants will receive oral ruxolitinib and mivebresib will be given as "add-on" therapy. In Segment C, participants will receive mivebresib and oral navitoclax. In Segment D, participants will receive mivebresib and ruxolitinib. Participants will receive treatment until disease progression or the participants are not able to tolerate the study drugs. There may be higher treatment burden for participants in this trial compared to their standard of care. Participants will attend regular visits during the study at a hospital or clinic. The effect of treatment will be checked by medical assessments, blood and bone marrow tests, checking for side effects, and completing questionnaires.
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Trial website
https://clinicaltrials.gov/study/NCT04480086
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Trial related presentations / publications
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Public notes
This record is viewable in the ANZCTR as it had previously listed Australia and/or New Zealand as a recruitment site, however these sites have since been removed
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Contacts
Principal investigator
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ABBVIE INC.
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Address
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AbbVie
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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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
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT04480086
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