How did Mounjaro help in breast cancer detection?

Mounjaro's appetite-suppressing effect led to significant weight loss, allowing Rebecca Combellack to feel a lump she might not have otherwise detected.

What stage of breast cancer was discovered?

Rebecca Combellack was diagnosed with stage two estrogen receptor-positive breast cancer.

What treatments is Rebecca Combellack undergoing?

She has had surgery to remove the lump, is undergoing chemotherapy, and will be on a lifelong hormone blocker treatment.

Home / Health / Weight-Loss Drug Helped Detect Life-Saving Cancer

Weight-Loss Drug Helped Detect Life-Saving Cancer

11 Feb

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Summary

Mounjaro use led to discovery of fast-acting stage two breast cancer.
Doctors stated weight loss was crucial for detecting the lump early.
The patient is undergoing chemotherapy and hormone blocker treatment.

A woman has credited the weight-loss medication Mounjaro with saving her life after it facilitated the early detection of stage two breast cancer. Rebecca Combellack, aged 37, was diagnosed in May 2025 following the discovery of a lump. She had begun using Mounjaro in April 2025, motivated by her weight gain during a skiing holiday.

Combellack lost over two stone in two months, a process that revealed a small lump. Doctors indicated that her reduced weight was instrumental in feeling the lump, noting the cancer's aggressive nature. Had she not lost weight, the outcome could have been significantly worse.

The diagnosis was estrogen receptor-positive breast cancer. Following surgery to remove the lump, she commenced chemotherapy in August 2025. Rebecca continues to manage her business and family life while undergoing treatment, supported by her husband, Richard.