2023-12-13
2026-08-26
2026-08-26
199
NCT05554367
National Cancer Institute (NCI)
National Cancer Institute (NCI)
INTERVENTIONAL
Palbociclib and Binimetinib in RAS-Mutant Cancers, A ComboMATCH Treatment Trial
This phase II ComboMATCH treatment trial evaluates the effectiveness of palbociclib and binimetinib in treating patients with RAS-mutated cancers. Palbociclib and binimetinib are both in a class of medications called kinase inhibitors. They work by blocking the action of abnormal proteins that signals cancer cells to multiply. This trial may help researchers understand if giving the combination of palbociclib and binimetinib can help improve the amount of time before the cancer grows in patients with patients with low grade serous ovarian cancer who have certain changes in the tumor DNA. This trial may also help researchers understand if giving the combination of palbociclib and binimetinib can help improve outcomes among patients with low grade serous ovarian cancer who have previously received a MEK inhibitor. For patients with other tumors, with the exception of lung cancer, colon cancer, melanoma and low grade serous ovarian cancers, this trial may help researchers understand if giving the combination of palbociclib and binimetinib can improve the clinical outcome of survival without progression in patients who have certain changes in their tumor's DNA.
PRIMARY OBJECTIVES: I. To determine whether palbociclib and binimetinib combination therapy improves progression free survival (PFS) compared to binimetinib alone in patients with MEK-inhibitor naive low-grade serous ovarian cancer (LGSOC) harboring MAP kinase activation (KRAS/NRAS/non BRAF V600E mutation). (Cohort 1) II. To determine whether palbociclib and binimetinib improves clinical activity in comparison to historical control, as measured by objective response rate (ORR), in women with LGSOC whose disease has previously progressed on a MEK inhibitor. (Cohort 2) III. To determine whether palbociclib and binimetinib combination therapy improves the objective response rate compared to historical control in patients with pancreatic cancer harboring any KRAS/NRAS/HRAS mutation or non-BRAF V600E aMOIs or rare RAF fusion. (Cohort 3) IV. To determine whether palbociclib and binimetinib combination therapy improves objective response rate compared to historical control in patients with tumors harboring any KRAS/NRAS/HRAS mutations or non-BRAF V600E aMOIs or rare RAF fusions (excluding LGSOC, non-small cell lung cancer [NSCLC], colorectal cancer, pancreatic cancer and melanoma). (Cohort 4) SECONDARY OBJECTIVES: I. To determine whether palbociclib and binimetinib combination therapy improves objective response rate (ORR), overall survival (OS), duration of response (DOR), and disease control rate (DCR) compared to binimetinib alone in patients with MEK inhibitor-naïve LGSOC. (Cohort 1) II. Conduct whole-exome sequencing to evaluate concordance with the designated laboratory result. (Cohort 1) III. To assess the clinical activity of palbociclib and binimetinib as measured by PFS, OS, DOR, and DCR in women with LGSOC whose disease has previously progressed on a MEK inhibitor. (Cohort 2) IV. Conduct whole-exome sequencing to evaluate concordance with the designated laboratory result. (Cohort 2) V. To assess the clinical activity of palbociclib and binimetinib as measured by PFS, OS, DOR, and DCR in patients with RAS mutated pancreatic cancer. (Cohort 3) VI. Conduct whole-exome sequencing to evaluate concordance with the designated laboratory result. (Cohort 3) VII. To assess the clinical activity of palbociclib and binimetinib as measured by PFS, OS, DOR, and DCR in patients with RAS mutated cancers, excluding LGSOC, NSCLC, colorectal cancer (CRC), pancreatic cancer and melanoma. (Cohort 4) VIII. Conduct whole-exome sequencing to evaluate concordance with the designated laboratory result. (Cohort 4) EXPLORATORY OBJECTIVES: I. Explore thymidine kinase 1 (TK1) activity in response to palbociclib. (Cohort 1) II. Assess the correlation between presence of KRAS mutation and activity of both monotherapy and the combination. (Cohort 1) III. Conduct ribonucleic acid (RNA)-sequencing (seq) to assess determinants of response and resistance. (Cohort 1) IV. Explore changes in plasma RAS allelic burden in KRAS-mutated tumors using circulating tumor deoxyribonucleic acid (ctDNA) and correlate changes with clinical activity. (Cohort 1) V. Explore TK1 activity in response to palbociclib.(Cohort 2) VI. Assess the correlation between presence of KRAS mutation and activity of the combination. (Cohort 2) VII. Conduct RNA-seq to assess determinants of response and resistance. (Cohort 2) VIII. Explore changes in plasma RAS allelic burden in KRAS-mutated tumors using ctDNA and correlate changes with clinical activity. (Cohort 2) IX. Explore TK1 activity in response to palbociclib. (Cohort 3) X. Evaluate changes in deoxyribonucleic acid (DNA), RNA and ctDNA to evaluate concordance with the designated laboratory result and to assess determinants of response, signatures of intrinsic resistance or response and the plasma RAS allelic burden in relation to treatment response, respectively. (Cohort 3) XI. Explore TK1 activity in response to palbociclib. (Cohort 4) XII. Evaluate changes in DNA, RNA and ctDNA to evaluate concordance with the designated laboratory result and to assess determinants of response, signatures of intrinsic resistance or response and the plasma RAS allelic burden in relation to treatment response, respectively. (Cohort 4) OUTLINE: Patients with KRAS, NRAS, non-BRAF V600E aMOIs or rare RAF fusions LGSOC, naïve to MEK or CDK4/6 inhibitor therapy are randomized to either combination cohort 1 or monotherapy cohort 1. Patients with LGSOC who have received prior MEK inhibitor therapy are assigned to combination cohort 2. Patients with KRAS/NRAS/HRAS/non-V600E a MOIs or rare RAF fusion pancreatic cancer are assigned to combination cohort 3. Patients with all other KRAS/NRAS/HRAS, non -BRAF V600E a MOIs or rare FAR fusion tumor types (excluding LGSOC, NSCLC, CRC, pancreatic, and melanoma) are assigned to combination cohort 4. COMBINATION COHORTS 1, 2, 3, 4: Patients receive palbociclib orally (PO), once per day (QD) on days 1-21 and binimetinib PO twice per day (BID) on days 1-28 of each cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity for up to 3 years. Patients may also undergo biopsy at screening and undergo magnetic resonance imaging (MRI), computed tomography (CT), bone scan, and collection of blood samples during screening, on study, and/or during follow up. MONOTHERAPY COHORT 1: Patients receive binimetinib PO BID daily, in the absence of disease progression or unacceptable toxicity, for up to 3 years. Patients who experience disease progression may elect to migrate to the combination cohort. Patients may also undergo biopsy at screening and undergo MRI, CT, bone scan, and collection of blood samples during screening, on study, and/or during follow up. After completion of study treatment, patients are followed up every 3 months for up to 3 years following registration.
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Registration Dates | Results Reporting Dates | Study Record Updates |
---|---|---|
2022-09-22 | N/A | 2025-08-19 |
2022-09-22 | N/A | 2025-08-28 |
2022-09-26 | N/A | 2025-06 |
This section provides details of the study plan, including how the study is designed and what the study is measuring.
Primary Purpose:
Treatment
Allocation:
Randomized
Interventional Model:
Parallel
Masking:
None
Arms and Interventions
Participant Group/Arm | Intervention/Treatment |
---|---|
EXPERIMENTAL: Combination Cohorts 1, 2, 3, 4 (palbociclib, binimetinib) Patients receive palbociclib PO QD on days 1-21 and binimetinib PO BID on days 1-28 of each cycle. throughout the trial. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity for up to 3 years. Patients may also underg | DRUG: Binimetinib
PROCEDURE: Biopsy Procedure
PROCEDURE: Biospecimen Collection
PROCEDURE: Bone Scan
PROCEDURE: Computed Tomography
PROCEDURE: Magnetic Resonance Imaging
DRUG: Palbociclib
|
EXPERIMENTAL: Monotherapy Cohort 1 (binimetinib) Patients receive binimetinib PO BID daily, in the absence of disease progression or unacceptable toxicity, for up to 3 years. Patients who experience disease progression may elect to migrate to the combination cohort. Patients may also undergo biopsy at s | DRUG: Binimetinib
PROCEDURE: Biopsy Procedure
PROCEDURE: Biospecimen Collection
PROCEDURE: Bone Scan
PROCEDURE: Computed Tomography
PROCEDURE: Magnetic Resonance Imaging
|
Primary Outcome Measures | Measure Description | Time Frame |
---|---|---|
Progression free survival (PFS) (Cohort 1) | Will compare the PFS distributions between those treated with palbociclib and binimetinib vs. binimetinib alone. PFS will be compared between the two treatment arms using Kaplan-Meier methods. The hazard ratio, median PFS, and estimated PFS rates at 6, 12, 18, 24, and 30 months will be estimated along with corresponding 95% confidence intervals. A log-rank test will be used to compare the PFS distributions between the two treatment arms in this cohort. In an ancillary manner, Cox proportional hazards models will also be used to assess the impact of treatment arm on PFS when stratifying on the stratification factors. | Time from randomization date until the time of disease progression or death due to any cause, assessed at 6, 12, 18, 24, and 30 months |
Objective response rate (ORR) (Cohort 2) | The Simon optimal design used to evaluate efficacy in terms of the objective response rate after treatment in this population will use a two-stage design. | Up to 3 years |
ORR (Cohort 3) | The Simon minimax design used to evaluate efficacy in terms of the objective response rate after treatment in this population will use a two-stage design. | Up to 3 years |
ORR (Cohort 4) | The Simon minimax design used to evaluate efficacy in terms of the objective response rate after treatment in this histology/tumor agnostic population will use a two-stage design. | Up to 3 years |
Secondary Outcome Measures | Measure Description | Time Frame |
---|---|---|
Objective response (Cohort 1) | Objective response by Response Evaluation Criteria in Solid Tumors (RECIST) version (v) 1.1 criteria will be estimated using ORR where ORR is defined as the number of evaluable patients achieving a response (partial response [PR] or complete response [CR] per RECIST v1.1) during treatment with study therapy divided by the total number of evaluable patients. Rates of response will be compared between treatment arms using a chi-square test (or Fisher's exact test as needed). Point estimates will be generated for objective response rates within each arm along with 95% confidence intervals using the Clopper-Pearson method. | Up to 3 years |
PFS (Cohorts 2, 3, 4) | Disease progression will be determined based on RECIST 1.1 criteria. PFS will be estimated using the Kaplan-Meier method. The median PFS and corresponding 95% confidence interval will be reported. Patients will be censored at the last disease assessment date if they were alive and progression-free at the time of their last assessment. | From study entry to the first of either disease progression or death from any cause, assessed up to 3 years |
Overall survival (OS) (All Cohorts) | Patients who are alive at last follow-up will be censored at that time point. The distribution of OS will be estimated using method of Kaplan-Meier. The median OS and 95% confidence interval will be reported. | From registration until death due to any cause, assessed up to 3 years |
Duration of response (DoR) (All Cohorts) | DoR is defined for all evaluable patients who have achieved an objective response as time from the patient's earliest best objective status is first noted as either a CR or PR to the earliest date progression is documented, or death if no prior evidence of disease progression. The distribution of DoR will be estimated using the method of Kaplan-Meier. | From patient's earliest best objective status to earliest date of progression, assessed up to 3 years |
Disease control (All Cohorts) | Disease control will be estimated using disease control rate (DCR), which is defined as the patients who experience CR or PR per RECIST 1.1 or maintain stable disease for at least 6 months after randomization divided by the total number of evaluable patients. DCR will be evaluated within cohorts, and for cohort 1 this will also be compared between treatment arms using a chi square test. Point estimates will be generated for disease control rates within each arm along with 95% confidence intervals using the Clopper-Pearson method. | Up to 3 years |
Incidence of adverse events (AE) (All Cohorts) | All eligible patients that have initiated treatment will be considered evaluable for assessing AE rate(s). Patients will be evaluated for adverse events using the National Cancer Institute's Common Toxicity Criteria for Adverse Events version 5.0. The maximum grade for each type of AE will be recorded for each patient, and frequency tables will be reviewed to determine patterns. Additionally, the relationship of the AE(s) to the study treatment will be taken into consideration. | Up to 3 years |
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person’s general health condition or prior treatments.
Ages Eligible for Study:
ALL
Sexes Eligible for Study:
18 Years
Accepts Healthy Volunteers:
This is where you will find people and organizations involved with this study.
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
No publications available