Metformin after bone cancer treatment to prevent relapse
Treatments studied
Part of Cancer clinical trials.
This Phase 2 study tests whether taking metformin after surgery and chemotherapy can reduce the risk of bone cancer coming back in people at high risk of relapse. You may be eligible if you have osteosarcoma or Ewing sarcoma that is not currently spread and you meet specific lab and health criteria.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Have osteosarcoma or Ewing sarcoma, and the cancer is not metastatic (not spread to other body parts)
- Be at least 14 years old
- Be in a high-risk situation: after initial chemotherapy with low tumor necrosis or after being disease-free following a first relapse (per the study’s timing rules)
- Have the right timing: able to start screening and begin metformin within about 30–45 days after finishing chemotherapy or local surgery/relapse
- Be able to swallow pills and not be in another clinical study
- Have good kidney and liver function on screening labs (and you should not have certain kidney/liver or oxygen-blood-flow problems)
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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