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Personalizing the use of pembrolizumab for patients who have a strong response in early triple negative breast cancer
EU CTIS ID: 2024-515787-31-00
What this study is testing
To determine the non-inferiority of observation as compared to 6 months of adjuvant pembrolizumab after surgery in terms of recurrence-free survival (RFS) in patients who experienced pCR after neoadjuvant chemotherapy and pembrolizumab.
- Therapeutic confirmatory (Phase III)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Patient must have signed a written informed consent prior to any trial-related procedures. When the patient is physically unable to give his written consent, a trusted person of his choice, independent from the investigator or the sponsor, can confirm in writing the patient’s consent;
- Histologically documented stage T1cN1-2 or T2-4N0-2 triple negative or ER/PR low breast cancer (Estrogen receptor (ER) and Progesterone receptor (PR) ≤10%; HER2-negative as per ASCO/CAP guidelines). Staging according to the primary tumourregional lymph node anatomic staging criteria of the American Joint Committee on Cancer (AJCC), 8th edition as determined by the investigator during radiologic assessment, clinical assessment or both.
- Patients previously treated with neoadjuvant chemotherapy in combination with pembrolizumab for a minimum of 6 cycles (All systemic chemotherapy must have been completed preoperatively);
- Absence of residual invasive disease in the breast or lymph nodes after the completion of neoadjuvant therapy (i.e., ypT0 ypN0 in the current AJCC staging system) (Residual ductal carcinoma in situ [DCIS] is allowed);
- Have had an adequately excised breast cancer (surgical removal of all clinically evident disease in the breast and lymph nodes) : a. Breast surgery: patients must have undergone either breast-conserving surgery or total mastectomy with histologically negative margins for invasive tumour and DCIS. Patients with margins positive for lobular carcinoma in situ (LCIS) are eligible without additional resection. b. Lymph node surgery: patients must have had sentinel lymph node biopsy (SLNB) and/or axillary lymph node dissection (ALND) to evaluate the pathologic nodal status;
- Patients that have received adequate locoregional radiation therapy or with planned adequate locoregional radiation therapy;
You likely can't join if
- Radiological or clinical evidence of metastatic disease (stage IV) documented by imaging or clinical examination;
- Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class 2B or better;
- Patients unwilling or unable to comply with the medical follow-up required by the trial due to geographic, familial, social, or psychological reasons;
- Persons deprived of their liberty or under protective custody or guardianship;
- Participation in another therapeutic trial within the 30 days prior to randomisation
- Evidence of recurrent disease following preoperative therapy and surgery;
See the full eligibility criteria
Who can join
- Patient must have signed a written informed consent prior to any trial-related procedures. When the patient is physically unable to give his written consent, a trusted person of his choice, independent from the investigator or the sponsor, can confirm in writing the patient’s consent;
- Histologically documented stage T1cN1-2 or T2-4N0-2 triple negative or ER/PR low breast cancer (Estrogen receptor (ER) and Progesterone receptor (PR) ≤10%; HER2-negative as per ASCO/CAP guidelines). Staging according to the primary tumourregional lymph node anatomic staging criteria of the American Joint Committee on Cancer (AJCC), 8th edition as determined by the investigator during radiologic assessment, clinical assessment or both.
- Patients previously treated with neoadjuvant chemotherapy in combination with pembrolizumab for a minimum of 6 cycles (All systemic chemotherapy must have been completed preoperatively);
- Absence of residual invasive disease in the breast or lymph nodes after the completion of neoadjuvant therapy (i.e., ypT0 ypN0 in the current AJCC staging system) (Residual ductal carcinoma in situ [DCIS] is allowed);
- Have had an adequately excised breast cancer (surgical removal of all clinically evident disease in the breast and lymph nodes) : a. Breast surgery: patients must have undergone either breast-conserving surgery or total mastectomy with histologically negative margins for invasive tumour and DCIS. Patients with margins positive for lobular carcinoma in situ (LCIS) are eligible without additional resection. b. Lymph node surgery: patients must have had sentinel lymph node biopsy (SLNB) and/or axillary lymph node dissection (ALND) to evaluate the pathologic nodal status;
- Patients that have received adequate locoregional radiation therapy or with planned adequate locoregional radiation therapy;
- Adequate organ and bone marrow functions. All screening lab tests should be performed within 28 days before random d. Creatinine clearance ≥ 30 mL/min for subject with creatinine levels > 1.5 x institutional upper limit of normal (ULN) e. Total bilirubin ≤ 1.5 x ULN or direct bilirubin ≤ ULN for subjects with total bilirubin levels > 1.5 ULN (Patients with Gilbert’s disease with a total bilirubin ≤ 2.5 x ULN and direct bilirubin within normal limits are permitted) f. Aspartate aminotransferase (ASAT) and alanine aminotransferase (ALAT) ≤ 2.5 x ULNisation; a. Absolute Neutrophil Count (ANC) ≥ 1,000 /μL b. Platelets ≥ 100,000 /μL c. Hemoglobin ≥ 9 g/dL
- Randomisation must take place no more than 12 weeks after breast surgery. Adjuvant radiotherapy is authorized. If given, as per investigator discretion it can be given concurrently with pembrolizumab;
- Patients must not be pregnant or nursing (for women of childbearing potential only, a negative serum pregnancy test must be obtained within 7 days of Cycle 1 Day 1);
- Women of childbearing potential and male patients must agree to use 1 effective form of contraception and up to 4 months after the last dose of study drugs;
- Patients should be able and willing to comply with study visits and procedures as per protocol;
- Patients must be affiliated to a Social Security System (or equivalent).
- Age ≥ 18 years;
- Eastern Cooperative Oncology Group (ECOG) performance status of 0-2;
What rules you out
- Radiological or clinical evidence of metastatic disease (stage IV) documented by imaging or clinical examination;
- Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class 2B or better;
- Patients unwilling or unable to comply with the medical follow-up required by the trial due to geographic, familial, social, or psychological reasons;
- Persons deprived of their liberty or under protective custody or guardianship;
- Participation in another therapeutic trial within the 30 days prior to randomisation
- Evidence of recurrent disease following preoperative therapy and surgery;
- Any prior history of (ipsi- or contralateral) invasive breast cancer;
- Patients with a history of another malignancy without complete remission for more than 5 years, except for properly treated cervical carcinoma in situ and non-melanoma cancer of the skin
- Patients for whom pembrolizumab has been permanently discontinued during the neoadjuvant phase of treatment due to pembrolizumab-related AE;
- History of intolerance, including Grade 3 or 4 infusion reaction or hypersensitivity to pembrolizumab or murine proteins or any component of the product;
- Medical conditions that require chronic systemic steroids (>10 mg prednisone or equivalent) or any other form of immunosuppressive medication in the past 2 years. Replacement therapy (e.g., thyroxine, insulin, physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency) is not considered a form of systemic treatment;
- Known active liver disease, e.g. due to HBV, HCV, autoimmune hepatic disorders, or sclerosing cholangitis;
- HIV-infected patients on effective anti-retroviral therapy with detectable viral load within 6 months prior to enrollment;
The study team makes the final eligibility decision.
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 65+ years, 18-64 years. The study team makes the final eligibility decision.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.