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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01740427
Registration number
NCT01740427
Ethics application status
Date submitted
26/11/2012
Date registered
4/12/2012
Titles & IDs
Public title
A Study of Palbociclib (PD-0332991) + Letrozole vs. Letrozole For 1st Line Treatment Of Postmenopausal Women With ER+/HER2- Advanced Breast Cancer (PALOMA-2)
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Scientific title
A RANDOMIZED, MULTICENTER, DOUBLE-BLIND PHASE 3 STUDY OF PD-0332991 (ORAL CDK 4/6 INHIBITOR) PLUS LETROZOLE VERSUS PLACEBO PLUS LETROZOLE FOR THE TREATMENT OF POSTMENOPAUSAL WOMEN WITH ER (+), HER2 (-) BREAST CANCER WHO HAVE NOT RECEIVED ANY PRIOR SYSTEMIC ANTI CANCER TREATMENT FOR ADVANCED DISEASE
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Secondary ID [1]
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2012-004601-27
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Secondary ID [2]
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A5481008
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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:
Breast Neoplasms
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Condition category
Condition code
Cancer
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Breast
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - PD-0332991
Treatment: Drugs - Letrozole
Treatment: Drugs - Placebo
Treatment: Drugs - Letrozole
Experimental: PD-0332991 + Letrozole - PD-0332991, 125mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment in combination with Letrozole, 2.5mg, orally once daily (continuously).
Active comparator: Placebo + Letrozole - Placebo, 125mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment in combination with Letrozole, 2.5mg, orally once daily (continuously).
Treatment: Drugs: PD-0332991
PD-0332991, 125mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment
Treatment: Drugs: Letrozole
Letrozole, 2.5mg, orally once daily (continuously)
Treatment: Drugs: Placebo
Placebo, 125mg, orally once daily on Day 1 to Day 21 of every 28-day cycle followed by 7 days off treatment
Treatment: Drugs: Letrozole
Letrozole, 2.5mg, orally once daily (continuously)
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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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Progression-Free Survival (PFS) as Assessed by the Investigator.
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Assessment method [1]
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PFS is defined as the time from the date of randomization to the date of the first documentation of objective tumor progression as per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) or death due to any cause in the absence of documented PD, whichever occurs first. If tumor progression data include more than 1 date, the first date will be used. PFS (in months) will be calculated as (first event date - randomization date +1)/30.4. Progression is defined using RECIST v1.1, as a 20% increase in the sum of diameters of target measurable lesions above the smallest sum observed (over baseline if no decrease in the sum is observed during therapy), with a minimum absolute increase of 5 mm, or unequivocal progression of pre-existing non-target lesions, or the appearance of new lesions.
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Timepoint [1]
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From randomization date to date of first documentation of progression OR death (up to approximately 2.5 years)
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Secondary outcome [1]
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Objective Response as Assessed by the Investigator
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Assessment method [1]
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Objective Response (OR) defined as the overall complete response (CR) or partial response (PR) according to the RECIST v1.1. Objective Response Rate (ORR) is defined as proportion of patients with CR or PR relative to all randomized patients with measurable disease at baseline. Patients who do not have on-study radiographic tumor re-evaluation, who received anti-tumor treatment, or who died, progressed/ dropped out for any reason prior to reaching a CR or PR were counted as non-responders in the assessment of ORR. Per RECIST v1.1, CR: Complete disappearance of target lesions with exception of nodal disease. All target nodes must decrease to normal size (short axis \<10mm). PR: =30% decrease under baseline of the sum of diameters of all target measurable lesions. The short diameter is used in the sum for target nodes, while the longest diameter is used in the sum for all other target lesions. Stable Disease: neither sufficient shrinkage nor increase to qualify for disease progression.
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Timepoint [1]
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From randomization until end of treatment (up to approximately 2.5 years)
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Secondary outcome [2]
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Objective Response: Patients With Measurable Disease at Baseline as Assessed by the Investigator
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Assessment method [2]
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The OR is defined as the overall CR or PR according to the RECIST v1.1. ORR is defined as proportion of patients with CR or PR relative to all randomized patients with measurable disease at baseline. Patients who do not have on-study radiographic tumor re-evaluation, who received anti-tumor treatment, or who died, progressed/ dropped out for any reason prior to reaching a CR or PR were counted as non-responders in the assessment of ORR. Per RECIST v1.1, CR: Complete disappearance of target lesions with exception of nodal disease. All target nodes must decrease to normal size (short axis \<10mm). PR: =30% decrease under baseline of the sum of diameters of all target measurable lesions. The short diameter is used in the sum for target nodes, while the longest diameter is used in the sum for all other target lesions. Stable Disease: neither sufficient shrinkage nor increase to qualify for disease progression.
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Timepoint [2]
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From randomization until end of treatment (up to approximately 2.5 years)
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Secondary outcome [3]
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Duration of Response (DR)
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Assessment method [3]
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DR is defined as the time from the first documentation of objective tumor response (CR or PR) to the first documentation of disease progression or to death due to any cause, whichever occurs first. If tumor progression data included more than 1 date, the first date will be used. DR was calculated as \[the date response ended (i.e. date of PD or death) - first CR or PR date + 1)\]/30.4. DR would only be calculated for the subgroup of patients with an objective tumor response. Per RECIST v1.1, CR: Complete disappearance of target lesions with exception of nodal disease. All target nodes must decrease to normal size (short axis \<10mm). PR: =30% decrease under baseline of the sum of diameters of all target measurable lesions.The short diameter is used in the sum for target nodes, while the longest diameter is used in the sum for all other target lesions. Stable Disease: neither sufficient shrinkage nor increase to qualify for disease progression.
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Timepoint [3]
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From randomization until end of treatment (up to approximately 2.5 years)
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Secondary outcome [4]
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Disease Control (DC)/Clinical Benefit Response (CBR)
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Assessment method [4]
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DC is defined as the overall CR, PR, or stable disease (SD) =24 weeks according to the RECIST version 1.1. Disease Control Rate (DCR) is defined as the patients with CR, PR, or SD =24 weeks relative to all randomized participants. Participants who do not have on-study radiographic tumor reevaluation, who received anti-tumor treatment, a best response of SD=24 weeks, or who died, progressed,or dropped out for any reason prior to achieving reaching a CR or PR and a best response of SD=24 weeks was counted as non-responders in DCR. Per RECIST v1.1, CR: Complete disappearance of target lesions with exception of nodal disease. All target nodes must decrease to normal size (short axis \<10mm). PR: =30% decrease under baseline of the sum of diameters of all target measurable lesions. The short diameter is used in the sum for target nodes, while the longest diameter is used in the sum for all other target lesions. SD: neither sufficient shrinkage nor increase to qualify for disease progression
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Timepoint [4]
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From randomization until end of treatment (up to approximately 2.5 years)
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Secondary outcome [5]
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PFS by Tumor Tissue Biomarkers Status, Including Genes (eg, Copy Numbers of CCND1, CDKN2A), Proteins (eg, Ki67, pRb), and RNA Expression (eg, cdk4, cdk6)
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Assessment method [5]
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PFS by biomarker status by Investigator assessment. Progression is defined using RECIST v1.1, as a 20% increase in the sum of the longest diameter of target lesions, or a measurable increase in a non-target lesion, or the appearance of new lesions.
Positive is defined as H-Score =1 and negative as H-Score \<1. H-Score is calculated as the sum of the % of cells at each level of staining intensity (0, 1+, 2+, and 3+) multiplied by the staining intensity value: H-Score = (% at 0)\*0 + (% at 1+)\*1 + (% at 2+)\*2 + (% at 3+)\*3. H-Score values range from 0 to 300.
ER stands for estrogen receptor and Rb stands for retinoblastoma susceptibility gene product.
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Timepoint [5]
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From randomization until end of treatment (up to approximately 24 Months)
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Secondary outcome [6]
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Corrected QT Interval (QTc) Time-matched Change From Baseline on Cycle 1 Day 14
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Assessment method [6]
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Triplicate 12-lead ECG measurements (each recording separated by approximately 2 minutes) were performed and sent to a central laboratory for blinded manual adjudication. The average was calculated. The time corresponding to beginning of depolarization to repolarization of the ventricles (QT interval) was adjusted for RR interval using QT and RR from each ECG by Fridericia's formula (QTcF = QT divided by cube root of RR), by Bazette's formula (QTcB = QT divided by square root of RR) and corrected QT interval according to study-specific criteria (QTcS). Time-matched change from baseline values were reported for QTc analysis population.
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Timepoint [6]
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Time-matched triplicate ECGs were collected at 0 (predose), 2, 4, 6 and 8 hours on Day 0 and on Cycle1 Day14
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Secondary outcome [7]
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Percentage of Participants With Corrected QT Interval (QTc)
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Assessment method [7]
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Triplicate 12-lead ECG measurements (each recording separated by approximately 2 minutes) were performed and sent to a central laboratory for blinded manual adjudication. The average was calculated. The time corresponding to beginning of depolarization to repolarization of the ventricles (QT interval) was adjusted for RR interval using QT and RR from each ECG by Fridericia's formula (QTcF = QT divided by cube root of RR), by Bazette's formula (QTcB = QT divided by square root of RR) and corrected QT interval according to study-specific criteria (QTcS). Percentage of participants with post-baseline maximum absolute values and maximum increase from baseline were summarized for the safety analysis population.
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Timepoint [7]
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For safety monitoring triplicate ECGs were obtained at 0 hour (pre-dose) on Day 1 of Cycle 1, Day 14 of Cycles 1 and Cycle 2, then on Day 1 of Cycles 4, 7, and 10. ECGs beyond Cycle 10 were performed as clinically indicated
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Secondary outcome [8]
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Observed Plasma Trough Concentration (Ctrough) at Steady-State
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Assessment method [8]
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Summary of Plasma Palbociclib Within-Patient Mean Steady-State Trough Concentrations.
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Timepoint [8]
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0 hour (predose) on Day 14 of cycles 1 and 2
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Secondary outcome [9]
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Change From Baseline Between Treatment Comparison in Euro Quality of Life (EQ-5D) Index
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Assessment method [9]
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The EuroQol EQ-5D is a 6-item instrument designed to assess health status in terms of a single index value or utility score. It contains 5 descriptors of current health state (mobility, self-care, usual activities, pain or discomfort, and anxiety or depression) with each dimension having 3 levels of function (1=no problem, 2=some problem, and 3=extreme problem). The scores on the 5 descriptors are summarized to create a single summary score. An overall utility score is calculated based on these domains, with a range score from 0 (worse health scenario) to a maximum of 1.0 (best health scenario).
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Timepoint [9]
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From Baseline up to 2.5 years
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Secondary outcome [10]
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Change From Baseline Between Treatment Comparison in Functional Assessment of Cancer Therapy -Breast (FACT-B)
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Assessment method [10]
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FACT is a modular approach to assess participant health-related quality of life using a 'core' set of questions (FACT-G) as well as a cancer site-specific module. The FACT-G is a 27-item compilation of general questions divided into 4 domains: Physical Well-Being, Social/Family Well-Being, Emotional Well-Being, and Functional Well-Being. The FACT-B consisted of the FACT-G (27-item) and a breast-specific module: a 10-item instrument designed to assess participant concerns relating to breast cancer. For all questions, participants were asked to respond to a five-level scale where 0=not at all, 1=a little bit, 2=somewhat, 3=quite a bit, and 4=very much. FACT-B total score = Physical Well-Being + Social/Family Well-Being + Emotional Well-Being + Functional Well-Being + Breast Cancer Subscale. As each of the items ranges from 0-4, the range of possible scores is 0-144, with 0 being the worst possible score and 144 the best.
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Timepoint [10]
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From Baseline up to 2.5 years
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Secondary outcome [11]
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Percentage of Participants With Treatment-Emergent Adverse Events (TEAEs; All Causalities)
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Assessment method [11]
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An AE was any untoward medical occurrence in a clinical investigation participant administered a product or medical device; the event need not necessarily have a causal relationship with the treatment or usage. SAE was any untoward medical occurrence at any dose that resulted in death; was life-threatening; required hospitalization; resulted in persistent or significant disability or in congenital anomaly/birth defect. TEAE were events that occurred between first dose of study drug and up to 28 days after last dose that were absent before treatment or that worsened relative to pretreatment state. Severity was graded by the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), Version 4.0 as Grade 1 = mild, Grade 2 = moderate, Grade 3 = severe, Grade 4 = life-threatening and Grade 5 = death related to AE.
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Timepoint [11]
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From date of randomization up to 28 days after last dose of study drug, (assessed up to data cut-off date of 15-Nov-2021, approximately 8.7 years)
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Secondary outcome [12]
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Overall Survival (OS)
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Assessment method [12]
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OS was defined as the time from date of randomization to date of death due to any cause. Participants without survival data beyond the date of their last follow-up were censored on the last date they were known to be alive.
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Timepoint [12]
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From date of randomization until death due to any cause or censored, (assessed up to data cut-off date of 15-Nov-2021, approximately 8.7 years)
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Secondary outcome [13]
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Survival Probability at 1 Year, 2 Year and 3 Year
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Assessment method [13]
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One, two or three-year survival probability was defined as the probability of survival 1 year, 2 or 3 years after the date of randomization. The survival probability was estimated using the Kaplan-Meier method and 2-sided 95% confidence interval (CI) was calculated using the product limit method.
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Timepoint [13]
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1, 2 and 3 years after randomization
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Secondary outcome [14]
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Number of Participants With Laboratory Abnormalities by Maximum Common Terminology Criteria for Adverse Events (CTCAE) Grade
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Assessment method [14]
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Laboratory abnormalities included anemia, hemoglobin increased, neutrophils (absolute), platelets, white blood cells, alanine aminotransferase (ALT), alkaline phosphatase, aspartate aminotransferase (AST), bilirubin (total), creatinine, hypercalcemia, hyperkalemia, hypermagnesemia, hypernatremia, hypoalbuminemia, hypocalcemia, hypokalemia, hypomagnesemia and hyponatremia. Laboratory abnormalities were graded by CTCAE version (v) 4.0 as Grade 1 = mild, Grade 2 = moderate, Grade 3 = severe and Grade 4 = life-threatening. Categories with at least 1 non-zero data values are reported.
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Timepoint [14]
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From randomization up to 28 days after last dose of study drug (assessed up to data cut-off date of 15-Nov-2021, approximately 8.7 years)
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Eligibility
Key inclusion criteria
* Adult women with locoregionally recurrent or metastatic disease not amenable to curative therapy.
* Confirmed diagnosis of ER positive breast cancer
* No prior systemic anti-cancer therapy for advanced ER+ disease.
* Postmenopausal women
* Measurable disease as per Response Evaluation Criterion in Solid Tumors [RECIST] or bone-only disease
* Eastern Cooperative Oncology Group [ECOG] 0-2
* Adequate organ and marrow function
* Patient must agree to provide tumor tissue
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Minimum age
18
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Maximum age
No limit
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Confirmed diagnosis of HER2 positive disease
* Patients with advanced, symptomatic, visceral spread that are at risk of life threatening complication in the short term
* Known uncontrolled or symptomatic CNS metastases
* Prior (neo)adjuvant treatment with letrozole or anastrozole with DFI = 12-months from completion of treatment.
* Prior treatment with any CDK 4/6 inhibitor.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled 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
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 3
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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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
22/02/2013
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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
9/11/2023
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Sample size
Target
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Accrual to date
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Final
666
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Recruitment in Australia
Recruitment state(s)
NSW,QLD,SA,VIC,WA
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Recruitment hospital [1]
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St Vincent's Hospital Sydney - Darlinghurst
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Laverty Pathology - Port Macquarie
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Mid North Coast Diagnostic Imaging - Port Macquarie
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Recruitment hospital [4]
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Calvary Mater Newcastle - Waratah
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Icon Cancer Care - Auchenflower
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Sunshine Coast University Hospital - Birtinya
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Recruitment hospital [7]
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Icon Cancer Care Corporate Office - South Brisbane
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Princess Alexandra Hospital - Woolloongabba
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Royal Adelaide Hospital - Adelaide
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Bendigo Health Care Group, The Bendigo Hospital Campus - Bendigo
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Northern Hospital - Epping
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Royal Melbourne Hospital - Parkville
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Epworth Healthcare - Richmond
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Maroondah Hospital - Ringwood East
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Goulburn Valley Health - Shepparton
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Recruitment hospital [16]
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Fiona Stanley Hospital - Murdoch
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Recruitment postcode(s) [1]
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2010 - Darlinghurst
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2444 - Port Macquarie
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2298 - Waratah
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4066 - Auchenflower
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4575 - Birtinya
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4101 - South Brisbane
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4102 - Woolloongabba
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5000 - Adelaide
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3550 - Bendigo
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Recruitment postcode(s) [10]
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3076 - Epping
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3050 - Parkville
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Recruitment postcode(s) [12]
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3121 - Richmond
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Recruitment postcode(s) [13]
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3135 - Ringwood East
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Recruitment postcode(s) [14]
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3630 - Shepparton
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Recruitment postcode(s) [15]
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6150 - Murdoch
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Recruitment outside Australia
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Funding & Sponsors
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Summary
Brief summary
The study is designed to compare the clinical benefit following treatment with letrozole in combination with PD-0332991 versus letrozole in combination with placebo in postmenopausal women with ER(+)/HER2(-) advanced breast cancer who have not received prior systemic anti cancer therapies for their advanced/metastatic disease.
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Trial website
https://clinicaltrials.gov/study/NCT01740427
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Trial related presentations / publications
Zhu Z, Turner NC, Loi S, Andre F, Martin M, Dieras V, Gelmon KA, Harbeck N, Zhang C, Cao JQ, Yan Z, Lu DR, Wei P, VanArsdale TL, Rejto PA, Huang X, Rugo HS, Loibl S, Cristofanilli M, Finn RS, Liu Y. Comparative biomarker analysis of PALOMA-2/3 trials for palbociclib. NPJ Precis Oncol. 2022 Aug 16;6(1):56. doi: 10.1038/s41698-022-00297-1. Gelmon K, Walshe JM, Mahtani R, Joy AA, Karuturi M, Neven P, Lu DR, Kim S, Schnell P, Bananis E, Schwartzberg L. Efficacy and safety of palbociclib in patients with estrogen receptor-positive/human epidermal growth factor receptor 2-negative advanced breast cancer with preexisting conditions: A post hoc analysis of PALOMA-2. Breast. 2021 Oct;59:321-326. doi: 10.1016/j.breast.2021.07.017. Epub 2021 Jul 28. Iwata H, Umeyama Y, Liu Y, Zhang Z, Schnell P, Mori Y, Fletcher O, Marshall JC, Johnson JG, Wood LS, Toi M, Finn RS, Turner NC, Bartlett CH, Cristofanilli M. Evaluation of the Association of Polymorphisms With Palbociclib-Induced Neutropenia: Pharmacogenetic Analysis of PALOMA-2/-3. Oncologist. 2021 Jul;26(7):e1143-e1155. doi: 10.1002/onco.13811. Epub 2021 Jun 7. Finn RS, Rugo HS, Gelmon KA, Cristofanilli M, Colleoni M, Loi S, Schnell P, Lu DR, Theall KP, Mori A, Gauthier E, Bananis E, Turner NC, Dieras V. Long-Term Pooled Safety Analysis of Palbociclib in Combination with Endocrine Therapy for Hormone Receptor-Positive/Human Epidermal Growth Factor Receptor 2-Negative Advanced Breast Cancer: Updated Analysis with up to 5 Years of Follow-Up. Oncologist. 2021 May;26(5):e749-e755. doi: 10.1002/onco.13684. Epub 2021 Mar 10. Zheng J, Yu Y, Durairaj C, Dieras V, Finn RS, Wang DD. Impact of Dose Reduction on Efficacy: Implications of Exposure-Response Analysis of Palbociclib. Target Oncol. 2021 Jan;16(1):69-76. doi: 10.1007/s11523-020-00771-5. Finn RS, Cristofanilli M, Ettl J, Gelmon KA, Colleoni M, Giorgetti C, Gauthier E, Liu Y, Lu DR, Zhang Z, Bartlett CH, Slamon DJ, Turner NC, Rugo HS. Treatment effect of palbociclib plus endocrine therapy by prognostic and intrinsic subtype and biomarker analysis in patients with bone-only disease: a joint analysis of PALOMA-2 and PALOMA-3 clinical trials. Breast Cancer Res Treat. 2020 Nov;184(1):23-35. doi: 10.1007/s10549-020-05782-4. Epub 2020 Aug 11. Huang Bartlett C, Mardekian J, Cotter MJ, Huang X, Zhang Z, Parrinello CM, Bourla AB. Concordance of real-world versus conventional progression-free survival from a phase 3 trial of endocrine therapy as first-line treatment for metastatic breast cancer. PLoS One. 2020 Apr 21;15(4):e0227256. doi: 10.1371/journal.pone.0227256. eCollection 2020. Ettl J, Im SA, Ro J, Masuda N, Colleoni M, Schnell P, Bananis E, Lu DR, Cristofanilli M, Rugo HS, Finn RS. Hematologic adverse events following palbociclib dose reduction in patients with hormone receptor-positive/human epidermal growth factor receptor 2-negative advanced breast cancer: pooled analysis from randomized phase 2 and 3 studies. Breast Cancer Res. 2020 Mar 12;22(1):27. doi: 10.1186/s13058-020-01263-0. Rugo HS, Finn RS, Gelmon K, Joy AA, Harbeck N, Castrellon A, Mukai H, Walshe JM, Mori A, Gauthier E, Lu DR, Bananis E, Martin M, Dieras V. Progression-free Survival Outcome Is Independent of Objective Response in Patients With Estrogen Receptor-positive, Human Epidermal Growth Factor Receptor 2-negative Advanced Breast Cancer Treated With Palbociclib Plus Letrozole Compared With Letrozole: Analysis From PALOMA-2. Clin Breast Cancer. 2020 Apr;20(2):e173-e180. doi: 10.1016/j.clbc.2019.08.009. Epub 2019 Sep 5. Dieras V, Harbeck N, Joy AA, Gelmon K, Ettl J, Verma S, Lu DR, Gauthier E, Schnell P, Mori A, Rugo HS, Finn RS. Palbociclib with Letrozole in Postmenopausal Women with ER+/HER2- Advanced Breast Cancer: Hematologic Safety Analysis of the Randomized PALOMA-2 Trial. Oncologist. 2019 Dec;24(12):1514-1525. doi: 10.1634/theoncologist.2019-0019. Epub 2019 Jun 19. Masuda N, Mukai H, Inoue K, Rai Y, Ohno S, Mori Y, Hashigaki S, Muramatsu Y, Umeyama Y, Iwata H, Toi M. Neutropenia management with palbociclib in Japanese patients with advanced breast cancer. Breast Cancer. 2019 Sep;26(5):637-650. doi: 10.1007/s12282-019-00970-7. Epub 2019 May 24. Erratum In: Breast Cancer. 2019 Sep;26(5):651. doi: 10.1007/s12282-019-00984-1. Im SA, Mukai H, Park IH, Masuda N, Shimizu C, Kim SB, Im YH, Ohtani S, Huang Bartlett C, Lu DR, Iyer S, Mori Y, Mori A, Gauthier E, Finn RS, Toi M. Palbociclib Plus Letrozole as First-Line Therapy in Postmenopausal Asian Women With Metastatic Breast Cancer: Results From the Phase III, Randomized PALOMA-2 Study. J Glob Oncol. 2019 May;5:1-19. doi: 10.1200/JGO.18.00173. Mukai H, Shimizu C, Masuda N, Ohtani S, Ohno S, Takahashi M, Yamamoto Y, Nishimura R, Sato N, Ohsumi S, Iwata H, Mori Y, Hashigaki S, Muramatsu Y, Nagasawa T, Umeyama Y, Lu DR, Toi M. Palbociclib in combination with letrozole in patients with estrogen receptor-positive, human epidermal growth factor receptor 2-negative advanced breast cancer: PALOMA-2 subgroup analysis of Japanese patients. Int J Clin Oncol. 2019 Mar;24(3):274-287. doi: 10.1007/s10147-018-1353-9. Epub 2018 Dec 4. Rugo HS, Turner NC, Finn RS, Joy AA, Verma S, Harbeck N, Masuda N, Im SA, Huang X, Kim S, Sun W, Iyer S, Schnell P, Bartlett CH, Johnston S. Palbociclib plus endocrine therapy in older women with HR+/HER2- advanced breast cancer: a pooled analysis of randomised PALOMA clinical studies. Eur J Cancer. 2018 Sep;101:123-133. doi: 10.1016/j.ejca.2018.05.017. Epub 2018 Jul 25. Dieras V, Rugo HS, Schnell P, Gelmon K, Cristofanilli M, Loi S, Colleoni M, Lu DR, Mori A, Gauthier E, Huang Bartlett C, Slamon DJ, Turner NC, Finn RS. Long-term Pooled Safety Analysis of Palbociclib in Combination With Endocrine Therapy for HR+/HER2- Advanced Breast Cancer. J Natl Cancer Inst. 2019 Apr 1;111(4):419-430. doi: 10.1093/jnci/djy109. Wedam SB, Beaver JA, Amiri-Kordestani L, Bloomquist E, Tang S, Goldberg KB, Sridhara R, Ibrahim A, Kim G, Kluetz P, McKee A, Pazdur R. US Food and Drug Administration Pooled Analysis to Assess the Impact of Bone-Only Metastatic Breast Cancer on Clinical Trial Outcomes and Radiographic Assessments. J Clin Oncol. 2018 Apr 20;36(12):1225-1231. doi: 10.1200/JCO.2017.74.6917. Epub 2018 Mar 9. Rugo HS, Dieras V, Gelmon KA, Finn RS, Slamon DJ, Martin M, Neven P, Shparyk Y, Mori A, Lu DR, Bhattacharyya H, Bartlett CHUANG, Iyer S, Johnston S, Ettl J, Harbeck N. Impact of palbociclib plus letrozole on patient-reported health-related quality of life: results from the PALOMA-2 trial. Ann Oncol. 2018 Apr 1;29(4):888-894. doi: 10.1093/annonc/mdy012. Turner NC, Finn RS, Martin M, Im SA, DeMichele A, Ettl J, Dieras V, Moulder S, Lipatov O, Colleoni M, Cristofanilli M, Lu DR, Mori A, Giorgetti C, Iyer S, Bartlett CH, Gelmon KA. Clinical considerations of the role of palbociclib in the management of advanced breast cancer patients with and without visceral metastases. Ann Oncol. 2018 Mar 1;29(3):669-680. doi: 10.1093/annonc/mdx797. Finn RS, Martin M, Rugo HS, Jones S, Im SA, Gelmon K, Harbeck N, Lipatov ON, Walshe JM, Moulder S, Gauthier E, Lu DR, Randolph S, Dieras V, Slamon DJ. Palbociclib and Letrozole in Advanced Breast Cancer. N Engl J Med. 2016 Nov 17;375(20):1925-1936. doi: 10.1056/NEJMoa1607303.
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Public notes
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Contacts
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Pfizer CT.gov Call Center
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Pfizer
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests.
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When will data be available (start and end dates)?
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How or where can data be obtained?
IPD available at link: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests
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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 are available at
https://clinicaltrials.gov/study/NCT01740427