Regulatory approval
Published by the Health Products Regulatory Authority.
The Republic of Ireland's Health Products Regulatory Authority (HPRA) has authorized letrozole for the first-line treatment of patients who are postmenopausal women with hormone-dependent advanced breast cancer.
This is written in the approval document as:
First-line treatment in postmenopausal women with hormone-dependent advanced breast cancer.
Citation
Novartis Ireland Limited. Femara 2.5 mg film-coated tablets (Letrozole) [summary of product characteristics]. Health Products Regulatory Authority website. https://assets.hpra.ie/products/Human/22619/Licence_PA0896-012-001_30082024144429.pdf. Revised August 2024. Accessed May 25, 2025.Therapeutic response
Precision oncology relationships for therapeutic response derived from this regulatory approval.| Type | Biomarker(s) | Cancer type | Therapy(ies) | |
|---|---|---|---|---|
| Sensitivity (+) | ER positive | Invasive Breast Carcinoma | Letrozole | |
| Sensitivity (+) | PR positive | Invasive Breast Carcinoma | Letrozole | |
| Sensitivity (+) | ER positive, PR positive | Invasive Breast Carcinoma | Letrozole |