Pharmacists are pivotal in advancing precision oncology, particularly in the treatment of metastatic breast cancer. Siddhartha Yadav, MBBS, MD, highlights their crucial role at the 2025 San Antonio Breast Cancer Symposium (SABCS).
Yadav emphasizes that pharmacists are often the first point of contact when systemic therapies are prescribed, offering opportunities to discuss treatment selection and biomarker testing. This is especially important for patients with BRCA mutations, as it can lead to timely consideration of PARP inhibitors and prevent delays in targeted therapy.
The Role of Pharmacists in Precision Oncology Consults:
Pharmacists are instrumental in precision oncology consults, reviewing germline and tumor genetic testing reports, and recommending targeted therapies based on biomarker results. This positions them as essential members of multidisciplinary care teams.
Addressing Undertesting and Drug Selection:
Yadav highlights the pharmacist's role in addressing undertesting and ensuring patients receive the right drugs. For instance, if a patient has not undergone BRCA testing, pharmacists can prompt discussions about the necessity of testing and the potential benefits of PARP inhibitors.
Real-World Survival Trends and Data Interpretation:
While real-world data shows numerically longer survival for patients receiving PARP inhibitors, Yadav cautions against overinterpreting these trends. He suggests that there may be biases in the data, such as healthier or younger patients receiving PARP inhibitors, which could skew survival outcomes. Clinical trials are necessary to confirm the benefits of PARP inhibitors.
Standardizing Germline and Tumor Testing:
Yadav stresses the importance of standardized germline and tumor testing for many patients with metastatic breast cancer. He encourages clinicians to collaborate with pharmacists to identify biomarkers and ensure patients receive the appropriate drugs based on their test results.
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