# Q&A: Researcher investigates pharmacological approaches to breast cancer prevention

Source: [Medical Xpress - latest medical and health news stories](https://medicalxpress.com/news/2026-11-qa-pharmacological-approaches-breast-cancer.html) · 2026-11-09 · Medicine
Page: https://themorning.science/story/q-a-researcher-investigates-pharmacological-approaches-to-breast-cancer-preventi-5f3c256a046575a8
Kind: research · Impact: low

## In brief

- A new thesis by Mattias Hammarström studied whether lower doses of tamoxifen, and its active metabolite endoxifen given directly, could be used as preventive medication.
- The goal is to reduce side effects while still affecting breast tissue in healthy women.
- The source is a Q&A summary; the full findings are only partly described in the excerpt provided.

## Why it matters

It explores whether breast cancer prevention drugs could be given at lower doses with fewer side effects, which may matter for women weighing preventive treatment.

## Timeline

- 2026-11-09: Medical Xpress publishes Q&A on the thesis

## Coverage

- [Q&A: Researcher investigates pharmacological approaches to breast cancer prevention](https://medicalxpress.com/news/2026-11-qa-pharmacological-approaches-breast-cancer.html) — Medical Xpress - latest medical and health news stories, 2026-11-09

Tags: breast cancer, tamoxifen, endoxifen, cancer prevention, thesis

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science