Breast cancer Drug's hidden heart risks under the microscope

NCT ID NCT06781762

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

Summary

This study tracks 40 postmenopausal women with hormone-positive breast cancer who are starting aromatase inhibitor therapy. Researchers will measure heart and blood vessel health, blood markers, body composition, and lifestyle factors over 6 months, comparing them to healthy women of the same age and weight. The goal is to understand why these drugs increase heart risks over time.

What this could mean

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

Active substance

aromatase inhibitors

What this could lead to

If successful, this study could help doctors better monitor and prevent heart problems in breast cancer patients taking aromatase inhibitors.

What could go wrong

This is a small observational study with only 40 participants, so results may not apply to everyone. It does not test a new treatment, only measures existing side 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.

breast cancer female breast carcinoma Obesity

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

  • University of Toronto

    RECRUITING

    Toronto, Ontario, M5S2C9, Canada

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