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In patients who receive neoadjuvant pembrolizumab and chemotherapy for TNBC, how will you manage adjuvant treatment if they have a germline BRCA mutation?

Would you continue pembrolizumab? Would you introduce olaparib? If using both, how would you sequence?
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In patients who receive neoadjuvant pembrolizumab and chemotherapy for early TNBC treatment, how will you manage adjuvant treatment if they have a germline BRCA mutation?

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5 Answers
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Medical Oncology · Ohio State University
Answered on · Updated on

For patients with clinically high risk early TNBC and germline PV in BRCA 1 or 2 undergoing neoadjuvant chemotherapy along with pembrolizumab, the course of adjuvant therapy will depend on pathologic response at surgery.

For those with pCR - I would continue adjuvant pembrolizumab for patients who ar...

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Medical Oncology · University of Utah Huntsman Cancer Institute
Answered on

Olaparib is not approved for use as adjuvant therapy for breast cancer. If the patient was treated with NAC and pembrolizumab, I would continue pembrolizumab in the adjuvant setting, per published and FDA-approved protocol. It is not yet known whether patients who are treated with NAC and pembrolizu...

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Medical Oncology · Huntsman Cancer Institute at the University of Utah
Answered on

Based on the KEYNOTE-522 study, neoadjuvant pembrolizumab with chemotherapy followed by adjuvant pembrolizumab for triple negative breast cancer patients with either a more than 2 cm primary or lymph node positive disease became standard of care. Based on the updated results from the study (ESMO 202...

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Medical Oncology · Mary Lanning Healthcare Morrison Cancer Center/University of Nebraska Medical Center Adjunct Faculty
Answered on

The rate of pathologic complete response with chemotherapy is higher in gBRCA1m and/or gBRCA2m carriers with TNBC than in nonmutation carriers. The results of the KEYNOTE-522 trial by BRCA status are not available. One might first question the role of neoadjuvant pembrolizumab in this setting. Howev...

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Medical Oncology · Roswell Park Cancer Institute
Answered on

Both

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