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

NCT ID NCT06557057

Recruiting now Knowledge-focused Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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.

HER2-POSITIVE BREAST CARCINOMA

Contacts and locations

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Study contacts

Contact

Email: •••••@•••••

Locations

Mayo Clinic in Rochester
RECRUITING

Rochester, Minnesota, 55905, United States

Contact Email: •••••@•••••

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