- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05485766
Novel Neoadjuvant and Adjuvant Strategy for Germline BRCA 1/2 Mutated Triple Negative Breast Cancer
Neoadjuvant and Adjuvant Olaparib Plus Pembrolizumab Following Platinum Based Chemotherapy Plus Pembrolizumab for Germline BRCA Mutated Triple Negative Breast Cancer (WJOG14020B/OPERETTA)
This is a Phase II, single-arm, open label study to evaluate Olaparib plus Pembrolizumab following platinum-based chemotherapy plus Pembrolizumab as neoadjuvant therapy for germline BRCA (gBRCA) 1/2 mutated triple negative breast cancer (TNBC).
Pembrolizumab in combination with weekly paclitaxel and carboplatin (treatment 1) is followed by Pembrolizumab in combination with Olaparib (treatment 2) in neoadjuvant setting and Pembrolizumab in combination with Olaparib in adjuvant setting will be studied
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Yuko Takahashi, MD., PhD.
- Phone Number: +81-086-223-7151
- Email: yukotaka@okayama-u.ac.jp
Study Contact Backup
- Name: Hironobu TAN, PhD.
- Phone Number: +81-086-235-7994
- Email: hironobu_tan@okayama-u.ac.jp
Study Locations
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-
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Nagoya, Japan
- Not yet recruiting
- Aichi Cancer Center
-
Contact:
- Masaya Hattori, MD., PhD.
-
Okayama, Japan
- Recruiting
- Okayama University Hospital
-
Contact:
- Yuko Takahashi, MD., PhD.
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Tokyo, Japan
- Recruiting
- St. Luke's International Hospital
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Contact:
- Kumiko Kida, MD., PhD.
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male/female subjects who are at least 18 years of age on the day of signing informed consent with histologically confirmed diagnosis of invasive breast cancer
- Have histologically confirmed TNBC, as defined by the most recent ASCO/CAP guidelines.
- Confirmed germline BRCA 1/2 mutated.
Have previously untreated locally advanced non-metastatic (M0) TNBC defined as the following combined primary tumor (T) and regional lymph node (N) staging per AJCC for breast cancer staging criteria version 7 as assessed by the investigator based on radiological and/or clinical assessment:
- T1c, N1-N2
- T2, N0-N2
- T3, N0-N2
- T4a-d, N0-N2
- It has been confirmed that there is no distant metastasis to each organ by the following tests. Chest: Contrast CT or FDG-PET/CT Abdominal: Contract CT* or FDG-PET/CT Bone: Bone scintigraphy or FDG-PET/CT Brain: In the case of no central nervous system symptoms, examination for brain metastasis is not required.
- The subject (or legally acceptable representative if applicable) provides written informed consent for the trial.
- Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1.
- Have adequate organ function as defined in the protocol. Specimens must be collected within 10 days prior to the start of study treatment.
Exclusion Criteria:
- Subjects who has a positive urine pregnancy test within 72 hours prior to registration
- Has diagnosed as inflammatory breast cancer.
- Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti-PD-L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor .
- Has received a live vaccine or live-attenuated vaccine within 30 days prior to the first dose of study drug.
- Is currently participating in or has participated in a study of an investigational agent or has used an investigational device within 4 weeks prior to the first dose of study intervention.
- Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of study drug.
- Has a history of a second malignancy, unless potentially curative treatment has been completed with no evidence of malignancy for 2 years.
- Has severe hypersensitivity (≥Grade 3) to pembrolizumab and investigational drugs used in this study and/or any of their excipients.
- Has active autoimmune disease that has required systemic treatment in the past 2 years
- Has a history of (non-infectious) pneumonitis/interstitial lung disease .
- Has an active infection requiring systemic therapy.
- Has a known history of Human Immunodeficiency Virus (HIV) infection.
- Has a known history of Hepatitis B (defined as Hepatitis B surface antigen [HbsAg] reactive) or known active Hepatitis C virus (defined as HCV RNA [qualitative] is detected) infection.
- Has a known history of active TB (Bacillus Tuberculosis).
- Has a history or current evidence of any condition, therapy, or laboratory abnormality.
- Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
- Is pregnant or breastfeeding, or expecting to conceive or father children.
- Has had an allogenic tissue/solid organ transplant.
- Has received pre-treatment with Olaparib or other PARP inhibitors.
- Has significant cardiovascular disease
- Has a resting electrocardiogram (ECG) indicating uncontrolled, potentially reversible cardiac conditions.
- Subject has myelodysplastic syndrome (MDS)/acute myeloid leukemia (AML) or with features suggestive of MDS/AML.
- Subject received colony-stimulating factors within 28 days prior to the first dose of study intervention.
- Subject is considered a poor medical risk due to a serious, uncontrolled medical disorder, non-malignant systemic disease or active, uncontrolled infection.
- Is either unable to swallow orally administered medication or has a gastrointestinal disorder affecting absorption.
- Is, in the judgement of the investigator, unlikely to comply with the study procedures, restrictions, and requirements of the study.
- Is currently receiving either strong or moderate inhibitors of cytochrome P450 (CYP)3A4 that cannot be discontinued for the duration of the study.
- Is currently receiving either strong or moderate inducers of CYP3A4 that cannot be discontinued for the duration of the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Pembrolizumab+ Paclitaxel + Carboplatin Followed by Pembrolizumab + Olaparib
Note: each cycle = 3 weeks (Neoadjuvant Treatment 1 and 2, and Adjuvant Treatment) |
200 mg fixed dose, IV, every 3 weeks (Q3W), on Days 1 of Cycles 1-4
Other Names:
80 mg/m2, IV, weekly, on Days 1, 8, 15 of Cycles 1-4
Area under the curve (AUC 1.5), intravenously (IV), weekly, on Days 1, 8, 15 of Cycles 1-4
300 mg BID (twice daily) orally
Other Names:
Each subject will undergo definitive surgery 3-6 weeks after conclusion of the last cycle of the neoadjuvant treatment.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pathological Complete Response (pCR) Rate (ypT0/TisypN0)
Time Frame: From 27 weeks up to 30 weeks
|
Pathological complete response rate (ypT0/TisypN0) is defined as the proportion of subjects without residual invasive cancer on hematoxylin and eosin evaluation of the complete resected breast specimen and all sampled regional lymph nodes following completion of neoadjuvant systemic therapy by AJCC staging criteria (7th edition) assessed by the local pathologist at the time of definitive surgery.
|
From 27 weeks up to 30 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Residual Cancer Burden 0/1
Time Frame: From 27 weeks up to 30 weeks
|
Residual Cancer Burden (RCB) 0/1 rate is defined as the proportion of subjects on evaluation from routine pathologic sections of the primary breast tumor and the regional lymph nodes after the completion of neoadjuvant therapy assessed by the local pathologist at the time of definitive surgery.
Six variables are included in a calculation formula.
The calculated RCB index value can also be categorized as one of four RCB classes (0 - 3).
The calculation formula and detailed description can be found at a dedicated Web site: http://www.mdanderson.org/breastcancer_RCB.
|
From 27 weeks up to 30 weeks
|
Pathological Complete Response (pCR) Rate (ypT0/is)
Time Frame: From 27 weeks up to 30 weeks
|
Pathological complete response rate (ypT0/is) is defined as the proportion of subjects without residual invasive cancer on hematoxylin and eosin evaluation of the complete resected breast specimen regardless of regional lymph nodes status following completion of neoadjuvant systemic therapy by AJCC staging criteria (7th edition) assessed by the local pathologist at the time of definitive surgery.
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From 27 weeks up to 30 weeks
|
Pathological Complete Response (pCR) Rate (ypT0/Tis ypN0)
Time Frame: From 27 weeks Up to 30 weeks
|
Pathological complete response rate (ypT0/TisypN0) is defined as the proportion of subjects without residual invasive cancer on hematoxylin and eosin evaluation of the complete resected breast specimen and all sampled regional lymph nodes following completion of neoadjuvant systemic therapy by AJCC staging criteria (7th edition) assessed by the local pathologist at the time of definitive surgery.
|
From 27 weeks Up to 30 weeks
|
Three-Year Overall Survival (3-year OS)
Time Frame: Up to 3 years
|
The Proportion of Three Year-Overall Survival (3y-OS) is defined as the proportion of survival subjects without death due to any cause at 3 years from registration.
Subjects without documented death at the time of the analysis will be censored at the date of the last follow-up.
|
Up to 3 years
|
Three-Year Distant Metastatic Free Survival (3-year DMFS)
Time Frame: Up to 3 years
|
The Proportion of Three-Year Distant Metastatic Free Survival (3y-DMFS) is defined as the proportion of survival subjects without distant metastatic disease at 3 years from registration.
Subjects without documented distant metastatic disease at the time of the analysis will be censored at the date of the last follow-up.
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Up to 3 years
|
Three-Year Disease Free Survival (3-year DFS)
Time Frame: Up to 3 years
|
The Proportion of Three-Year Disease Free Survival (3y-DFS) is defined as the proportion of survival subjects without metastatic disease and secondary malignancy at 3 years from registration.
Subjects without documented metastatic disease and secondary malignancy at the time of the analysis will be censored at the date of the last follow-up.
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Up to 3 years
|
AEs/SAEs and treatment discontinuation due to AEs/SAEs
Time Frame: Up to 3 years
|
Safety measurements are the incidence of, causality of, and outcome of AEs/SAEs; and changes in vital sign measurements and laboratory values.
|
Up to 3 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Yuko Takahashi, MD., PhD., Assistant Professor, Endocrinological Center, Okayama University Hospital
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Skin Diseases
- Neoplasms by Site
- Breast Diseases
- Neoplasms
- Breast Neoplasms
- Triple Negative Breast Neoplasms
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Tubulin Modulators
- Antimitotic Agents
- Mitosis Modulators
- Antineoplastic Agents, Phytogenic
- Antineoplastic Agents, Immunological
- Poly(ADP-ribose) Polymerase Inhibitors
- Immune Checkpoint Inhibitors
- Carboplatin
- Paclitaxel
- Olaparib
- Pembrolizumab
Other Study ID Numbers
- OUMK59829
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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