Why do some breast cancer patients quit hormone therapy? new study aims to find out
NCT ID NCT07180914
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time
Summary
This observational study will follow 300 premenopausal women with HR-positive early breast cancer who are already receiving ovarian function suppression (OFS) therapy as part of their routine care. Researchers want to see how many patients stop OFS within two years and why, and whether the length of treatment affects cancer outcomes. The goal is to improve long-term treatment adherence and prognosis.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Ovarian Function Suppression (OFS) therapy
- What this could lead to
- If successful, this study could help doctors understand why some patients stop OFS therapy and how treatment duration affects breast cancer recurrence, leading to better support strategies.
- What could go wrong
- This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may be influenced by patient differences and real-world factors.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
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