Breast cancer drugs linked to blood sugar changes? new study investigates

NCT ID NCT06557057

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is looking at how hormone treatments for breast cancer, called aromatase inhibitors and tamoxifen, affect blood sugar control and diabetes risk in postmenopausal women. Researchers will compare blood sugar measures in women taking these drugs to healthy women not on treatment. The goal is to understand if these therapies increase the risk of developing diabetes. The study will follow 66 women for one year.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If successful, this study could help doctors understand how breast cancer hormone treatments affect blood sugar, potentially leading to better monitoring or prevention of diabetes in patients.

What could go wrong

This is an observational study, not a treatment trial. It is small (66 people) and only looks at changes over one year, so results may not apply to everyone or show long-term effects.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

ductal breast carcinoma in situ HER2 positive breast carcinoma hormone receptor-positive breast cancer

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact