A Phase 3 Randomized, Placebo-controlled Trial of Carboplatin and Paclitaxel With or Without Veliparib (ABT-888) in HER2-negative Metastatic or Locally Advanced Unresectable BRCA-associated Breast Cancer
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| ClinicalTrials.gov Identifier: NCT02163694 |
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Recruitment Status :
Active, not recruiting
First Posted : June 16, 2014
Results First Posted : April 4, 2022
Last Update Posted : February 16, 2023
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| Condition or disease | Intervention/treatment | Phase |
|---|---|---|
| Metastatic Breast Cancer | Drug: Veliparib Placebo Drug: Veliparib Drug: Carboplatin Drug: Paclitaxel | Phase 3 |
This is a Phase 3, randomized, double-blind, multinational, multicenter study to evaluate the efficacy and tolerability of veliparib in combination with C/P compared to placebo in combination with C/P in participants with a BRCA1 or BRCA2 mutation, as documented by the Sponsor core laboratory, with HER2-negative metastatic or locally advanced unresectable breast cancer who received no more than 2 prior lines of cytotoxic therapy for metastatic disease. For the purposes of eligibility, HER2-negative status was based on the most recent tumor biopsy. Participants were randomized in a 2:1 ratio, with a total of approximately 500 participants planned to be randomized. Veliparib 120 mg/placebo twice a day (BID) was dosed Days -2 through 5 with carboplatin target area under the concentration-time curve (AUC) 6 administered on Day 1 and paclitaxel 80 mg/m2 administered weekly on Days 1, 8, and 15 of each 21-day cycle.
Safety and efficacy data through the prespecified primary analysis cutoff date of 05 April 2019 are included in the interim analysis.
| Study Type : | Interventional (Clinical Trial) |
| Actual Enrollment : | 509 participants |
| Allocation: | Randomized |
| Intervention Model: | Parallel Assignment |
| Masking: | Double (Participant, Investigator) |
| Primary Purpose: | Treatment |
| Official Title: | A Phase 3 Randomized, Placebo-Controlled Trial of Carboplatin and Paclitaxel With or Without the PARP Inhibitor Veliparib (ABT-888) in HER2-Negative Metastatic or Locally Advanced Unresectable BRCA-Associated Breast Cancer |
| Actual Study Start Date : | July 17, 2014 |
| Actual Primary Completion Date : | April 5, 2019 |
| Estimated Study Completion Date : | January 30, 2024 |
| Arm | Intervention/treatment |
|---|---|
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Active Comparator: Veliparib Placebo with Carboplatin and Paclitaxel
Placebo capsules for veliparib (120 mg) administered by mouth twice daily (BID) on Days -2 through 5 of a 21-day cycle. Carboplatin administered intravenously over approximately 15 to 30 minutes at AUC 6 mg/ml/min immediately following paclitaxel infusion on Day 1 of every cycle. Paclitaxel administered intravenously over approximately 1 hour at a dose of 80 mg/m² on Days 1, 8, and 15 of every cycle.
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Drug: Veliparib Placebo
Supplied as 40 mg, 50 mg, or 100 mg capsules for oral administration twice daily (BID) on Days -2 through 5 of a 21-day cycle. Drug: Carboplatin Administered intravenously over approximately 15 to 30 minutes at an area under the curve (AUC) of 6 mg/mL/min immediately following paclitaxel infusion on Day 1 of every cycle. The duration of carboplatin infusion may be lengthened according to institutional guidelines. Drug: Paclitaxel Administered by intravenous infusion over approximately 1 hour at a dose of 80 mg/m² of body-surface area (BSA) on Days 1, 8, and 15 of each 21-day cycle. Paclitaxel is to be infused prior to carboplatin on Day 1. Dosing of veliparib/placebo is to be completed before the carboplatin or paclitaxel infusions. |
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Experimental: Veliparib with Carboplatin and Paclitaxel
Veliparib capsules (120 mg) administered by mouth twice daily (BID) on Days -2 through 5 of a 21-day cycle. Carboplatin administered intravenously over approximately 15 to 30 minutes at AUC 6 mg/ml/min immediately following paclitaxel infusion on Day 1 of every cycle. Paclitaxel administered intravenously over approximately 1 hour at a dose of 80 mg/m² on Days 1, 8, and 15 of every cycle.
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Drug: Veliparib
Supplied as 40 mg, 50 mg, or 100 mg capsules for oral administration twice daily (BID) on Days -2 through 5 of a 21-day cycle.
Other Name: ABT-888 Drug: Carboplatin Administered intravenously over approximately 15 to 30 minutes at an area under the curve (AUC) of 6 mg/mL/min immediately following paclitaxel infusion on Day 1 of every cycle. The duration of carboplatin infusion may be lengthened according to institutional guidelines. Drug: Paclitaxel Administered by intravenous infusion over approximately 1 hour at a dose of 80 mg/m² of body-surface area (BSA) on Days 1, 8, and 15 of each 21-day cycle. Paclitaxel is to be infused prior to carboplatin on Day 1. Dosing of veliparib/placebo is to be completed before the carboplatin or paclitaxel infusions. |
- Progression-Free Survival (PFS) [ Time Frame: From randomization until the primary analysis data cut-off date of 05 April 2019; the median duration of follow-up was 35.5 months ]Time to PFS is defined as the number of days from the date the participant was randomized to the date the participant experiences radiographic disease progression (as determined by the investigators), or to the date of death (all causes of mortality) if disease progression is not reached. All events of disease progression occurring on or before the Primary Analysis Cutoff date of 05 April 2019 were to be included, regardless of whether the event occurred while the participant was still taking study drug or had previously discontinued study drug. PFS was estimated for each treatment group using Kaplan-Meier methodology.
- Overall Survival (OS) [ Time Frame: Approximately 8 years from randomization ]
Time to death (overall survival) is defined as the number of days from the date the participant was randomized to the date of the participant's death. All events of death which occur up to the analysis cutoff date are to be included, regardless of whether the event occurred while the participant was still taking study drug or after the participant discontinued study drug. If a participant has not died, the data for the participant is to be censored at the date last known to be alive or at the analysis cutoff date if that is earlier.
The final analysis of OS will occur when the pre-specified number of events has occurred in the ITT population.
- Clinical Benefit Rate (CBR) [ Time Frame: Through the end of Week 24 ]
The clinical benefit rate (CBR) for each treatment group was to be obtained from a time-to-event analysis of radiographic disease progression per the investigator. CBR is defined as the progression-free rate at 24 weeks (168 days), estimated for each treatment arm using Kaplan Meier methodology. All events of disease progression in the primary progression free survival analysis database were to be included, regardless of whether the event occurred while the participant was still taking, or had previously discontinued, study drug. If the participant had not yet progressed then their data was to be censored at the date of the last evaluable disease progression assessment. Participants without post-baseline assessments were to be censored at the date of randomization.
The final analysis of CBR will occur when the pre-specified number of Overall Survival events have occurred in the ITT population, per the fixed sequence testing procedure.
- Objective Response Rate (ORR) [ Time Frame: Approximately 8 years from randomization ]
The objective response rate (ORR) is calculated as the percentage of participants who have a confirmed partial response (PR) or complete response (CR) based on assessment by the investigators per Response Evaluation Criteria In Solid Tumors (RECIST) criteria version 1.1. All participants who had at least one measurable lesion at baseline were to be included in the ORR calculation.
The final analysis of ORR will occur when the pre-specified number of Overall Survival events have occurred in the ITT population, per the fixed sequence testing procedure.
- Progression-Free Survival on Subsequent Therapy (PFS2) [ Time Frame: Approximately 8 years from randomization ]
PFS2 is defined as the number of days from the date of randomization to the time of disease progression on subsequent therapy or death from any cause. The distribution of PFS2 was to be estimated for each treatment group using Kaplan-Meier methodology.
The final analysis of PFS2 will occur when the pre-specified number of Overall Survival events have occurred in the ITT population, per the fixed sequence testing procedure.
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| Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Histologically or cytologically confirmed breast cancer that is either locally advanced or metastatic. Locally advanced breast cancer must not be amenable to surgical resection or radiation with curative intent.
- Suspected deleterious or deleterious Breast Cancer Gene 1 (BRCA1) and/or Breast Cancer Gene 2 (BRCA2) germline mutation.
- Breast cancer must be Human Epidermal Growth Factor Receptor 2 (HER2)-negative.
- Measurable or non-measurable (but radiologically evaluable) disease per Response Evaluation Criteria In Solid Tumors (RECIST), version 1.1 on computed tomography (CT) scan (within 28 days of randomization) with at least one lesion outside previously irradiated areas.
- Eastern Cooperative Oncology Group (ECOG) Performance status of 0 to 2.
- Adequate hematologic, renal, and hepatic function (within 28 days of randomization).
Exclusion Criteria:
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More than two prior lines of cytotoxic chemotherapy (e.g., gemcitabine, doxorubicin, capecitabine) for metastatic disease.
- Regimens received in the adjuvant/neoadjuvant setting or for locally advanced breast cancer within the past 6 months will also be considered toward the maximum of 2 prior lines of therapy. Adjuvant/neoadjuvant chemotherapy for one cancer event will count as one prior line of therapy, if received within the past 6 months.
- Previous treatments with hormonal therapy (tamoxifen, aromatase inhibitors) and signal transduction agents (e.g., erlotinib, gefitinib, everolimus, bevacizumab) are allowed and are not counted towards the prior line of therapy.
- Progressed or recurred within 12 months of completing platinum therapy or received > 1 prior line of platinum therapy for breast cancer in any setting (adjuvant, neoadjuvant, or metastatic).
- Prior therapy with Poly(ADP-ribose)-Polymerase (PARP) inhibitors.
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Prior taxane therapy administered for the treatment of metastatic breast cancer with the below exceptions.
- Prior taxane therapy for metastatic breast cancer is allowed if the patient received ≤ 1 full cycle (i.e., therapy discontinued within 4 weeks for subjects receiving weekly paclitaxel or Abraxane; therapy discontinued within 3 weeks for subjects receiving paclitaxel or docetaxel every 3 weeks) in the absence of progression or if taxane therapy for metastatic disease was > 12 months prior to Cycle 1 Day-2 (C1D-2).
- Use of taxanes as adjuvant therapy or to treat locally advanced disease is permitted, if given more than 6 months prior to C1D-2
- Known history of allergic reaction to cremophor-paclitaxel, carboplatin, Azo-Colourant Tartrazine (also known as FD&C Yellow 5 or E102), Azo-Colourant Orange Yellow-S (also known as FD&C Yellow 6 or E110) or known contraindications to any study supplied drug.
- Active CNS metastases or leptomeningeal disease.
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02163694
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| Study Director: | ABBVIE INC. | AbbVie |
Documents provided by AbbVie:
| Responsible Party: | AbbVie |
| ClinicalTrials.gov Identifier: | NCT02163694 |
| Other Study ID Numbers: |
M12-914 2014-000345-70 ( EudraCT Number ) |
| First Posted: | June 16, 2014 Key Record Dates |
| Results First Posted: | April 4, 2022 |
| Last Update Posted: | February 16, 2023 |
| Last Verified: | February 2023 |
| Individual Participant Data (IPD) Sharing Statement: | |
| Plan to Share IPD: | Yes |
| Plan Description: | AbbVie is committed to responsible data sharing regarding the clinical trials we sponsor. This includes access to anonymized, individual and trial-level data (analysis data sets), as well as other information (e.g., protocols and clinical study reports), as long as the trials are not part of an ongoing or planned regulatory submission. This includes requests for clinical trial data for unlicensed products and indications. |
| Supporting Materials: |
Study Protocol Statistical Analysis Plan (SAP) Clinical Study Report (CSR) |
| Time Frame: | For details on when studies are available for sharing, please refer to the link below. |
| Access Criteria: | Access to this clinical trial data can be requested by any qualified researchers who engage in rigorous, independent scientific research, and will be provided following review and approval of a research proposal and Statistical Analysis Plan (SAP) and execution of a Data Use Agreement (DUA). For more information on the process, or to submit a request, visit the following link. |
| URL: | https://vivli.org/ourmember/abbvie/ |
| Studies a U.S. FDA-regulated Drug Product: | Yes |
| Studies a U.S. FDA-regulated Device Product: | No |
| Product Manufactured in and Exported from the U.S.: | No |
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Veliparib ABT-888 PARP Inhibitor BRCA1 BRCA2 HER2-negative Locally recurrent Breast Cancer |
Metastatic Breast Cancer Genetic breast cancer Paclitaxel BRCA Mutation PARP Carboplatin BROCADE3 |
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Veliparib Breast Neoplasms Neoplasms by Site Neoplasms Breast Diseases Skin Diseases Paclitaxel Carboplatin |
Antineoplastic Agents, Phytogenic Antineoplastic Agents Tubulin Modulators Antimitotic Agents Mitosis Modulators Molecular Mechanisms of Pharmacological Action Poly(ADP-ribose) Polymerase Inhibitors Enzyme Inhibitors |