Drug Helps Breast Cancer Patient Shed Weight After Medication Side Effects

Many women who take tamoxifen to fight breast cancer notice the scale climbing. This drug works well against cancer, but it often brings unwanted pounds and metabolic problems. Diet and exercise usually do not fix the damage. One recent case report shows a possible way forward.

A 58-year-old woman finished menopause. She had stage IIA hormone-receptor positive breast cancer. After two years on tamoxifen, she gained a lot of weight. She watched what she ate. She exercised. Nothing worked. Tests revealed she had crossed into prediabetes territory. Her HOMA-IR score hit 4.9, showing strong insulin resistance. Blood fats also looked bad.

Doctors started her on liraglutide. This medication mimics a gut hormone called GLP-1. It helps control blood sugar and curbs appetite. The dose gradually increased to 3.0 mg each day. She kept taking her tamoxifen throughout.

Twelve months passed. The results surprised everyone. She dropped 18.5 kilograms. Her HOMA-IR fell back to normal. Her HbA1c improved too. No new side effects appeared. The metabolic chaos set off by tamoxifen had essentially reversed.

This single case does not prove liraglutide works for every patient in this situation. The evidence base stays thin. Researchers want larger studies to confirm these findings. Still, the outcome offers hope for women stuck with weight gain and metabolic trouble while fighting cancer with tamoxifen.