Treatment
Metformin clinical trials
We’re tracking 152 recruiting studies that include Metformin, each written for real people, not researchers, below.
Recruiting studies
- NCT06763328RecruitingPhase 3
Metformin for insulin resistance after breast cancer chemo
This study tests if metformin, a common diabetes medicine, can help reduce insulin resistance in women who finished chemotherapy for early-stage breast cancer. It aims to improve long-term health and prevent future problems.
Duarte, CaliforniaAges 18 years+ - NCT07497568Recruiting
Metformin gel for dental implant stability
This study tests whether applying a metformin gel to the implant site can help the implant stay stable and improve bone density around it. It may be a good option if you need a dental implant and have healthy enough jawbone.
Baghdad, Baghdad GovernorateAges 18–70 - NCT07372625RecruitingPhase 1
How rezatapopt affects common drugs in advanced solid tumors with TP53 Y220C mutation
This trial tests how rezatapopt changes the way your body processes four common medicines (metformin, rosuvastatin, repaglinide, and midazolam) in people with advanced solid tumors that have a specific TP53 Y220C gene change. It helps doctors understand the right dose for future patients.
Denver, ColoradoAges 18 years+ - NCT06405971Recruiting
Metformin for unruptured brain aneurysms
This trial tests whether the diabetes drug metformin can help prevent unruptured aneurysms in the back part of the brain from growing or causing problems. It is for people whose aneurysms show a specific sign on an MRI scan.
Beijing, Beijing MunicipalityAges 18–75 - NCT06367283RecruitingPhase 3
Metformin for treating hand osteoarthritis pain
This study tests whether metformin, a common diabetes medication, can reduce pain in hand osteoarthritis. You may be eligible if your hand pain is moderate to severe and you haven't taken metformin before.
Copenhagen, FrederiksbergAges 18 years+ - NCT06829238RecruitingPhase 4
Metformin to boost immune function in people with a history of drug use
This study tests whether metformin, a common diabetes drug, can help restore immune system balance in people who have used injection drugs in the past. It includes both people living with HIV and those who are HIV-negative.
Birmingham, AlabamaAges 18–64 - NCT06826092RecruitingPhase 2
Metformin for advanced colorectal cancer with chemotherapy
This trial tests whether adding metformin (a diabetes drug) to standard chemotherapy (FOLFIRI) and targeted therapy can help people with metastatic colorectal cancer live longer or respond better to treatment.
Kaohsiung CityAges 20–90 - NCT06231758RecruitingPhase 3
Metformin for knee osteoarthritis: a phase 3 trial
This study tests whether metformin, a common diabetes medication, can help reduce pain and improve knee function in people with knee osteoarthritis. It may offer a new treatment option for those with moderate knee OA.
Damietta, New DamiettaAges 30–60 - NCT06142656RecruitingPhase 2/Phase 3
Vildagliptin vs Metformin for PCOS
This trial compares two medicines, vildagliptin and metformin, to see which works better for women with Polycystic Ovary Syndrome (PCOS). The goal is to find a safe and effective treatment that may help manage PCOS symptoms.
GizaAges 18–50 - NCT06030622RecruitingPhase 1/Phase 2
Treatment for advanced pancreatic cancer after standard therapy
This trial tests a combination of three medicines to see if they can slow down or shrink pancreatic cancer that has not responded to previous treatments or has come back. It might help if you are generally healthy and your cancer is advanced.
Brooklyn, New YorkAges 18 years+ - NCT07645001Recruiting
Probiotics plus diabetes medicine for pregnancy blood sugar
This study tests whether adding probiotics (beneficial bacteria) to standard diabetes medication helps manage high blood sugar during pregnancy. Researchers hope this combination may improve health outcomes for both you and your baby.
Rawalpindi, Punjab ProvinceAges 18–45 - NCT05727761RecruitingPhase 2
Pioglitazone plus metformin for high-risk mouth lesions
This trial studies whether a two-medicine diabetes drug combination can reduce or control risky early changes in certain mouth and throat lesions. You may be asked for small tissue samples (biopsies) before and after 12 weeks to see how the lesions respond.
Minneapolis, MinnesotaAges 18 years+ - NCT07129473RecruitingPhase 1/Phase 2
Metformin to lower risk of severe morning sickness
This trial tests if taking metformin before pregnancy can reduce the chance of severe morning sickness (hyperemesis gravidarum) in women who had it before. You would take a daily pill and be followed closely.
Birmingham, AlabamaAges 18–49 - NCT03379909RecruitingPhase 2
Metformin taken by mouth for early bladder cancer
This trial studies whether a diabetes medicine called metformin can help prevent or control non-muscle-invasive bladder cancer inside the bladder. You would take it by mouth, and the study checks safety and whether it works.
Nijmegen, GelderlandAges 18 years+ - NCT03675893RecruitingPhase 2
Test abemaciclib plus letrozole with or without extra drugs
This Phase 2 study tests whether adding medicines to standard hormone therapy (letrozole) can control endometrial cancer that has come back, spread, or stopped responding to usual treatments. It also explores whether extra drugs (metformin or gedatolisib) improve results for certain patient groups.
Boston, MassachusettsAges 18 years+ - NCT04121468RecruitingPhase 1/Phase 2
Metformin trial for vision nerve recovery in young people with MS
This study tests whether metformin can help “reset” damaged nerve cells in the brain and improve vision-related nerve problems in children and young adults with multiple sclerosis. Participants are assigned to metformin or a comparison treatment in a blinded (not everyone knows which) study.
Toronto, OntarioAges 10–25 - NCT04530383RecruitingPhase 2
Metformin add-on for adult cystic-fibrosis related diabetes on CF meds
This trial tests whether adding metformin can improve blood-sugar control and related lung cell function in adults who have cystic-fibrosis–related diabetes (CFRD) and are already taking CFTR modulator therapy. It may help if your diabetes is still not well controlled despite those CF medicines.
Kansas City, KansasAges 18 years+ - NCT04578652RecruitingPhase 3
Test fiber plus metformin for teen weight and insulin resistance
This trial studies whether adding fiber to metformin helps teens with severe obesity and insulin resistance improve how their bodies handle sugar. You might consider it if you’re a teen who isn’t yet diagnosed with type 2 diabetes and meets the specific lab and health criteria.
Edmonton, AlbertaAges 12–18 - NCT04670666RecruitingPhase 3
Study of Madalena for type 2 diabetes not controlled
This Phase 3 study tests Madalena to improve blood sugar control in adults with type 2 diabetes that hasn’t met targets despite diet, exercise, and diabetes medicines. You may join if your recent blood sugar tests and body size fall within specific ranges and you don’t have key medical exclusions.
Hortolândia, São PauloAges 18 years+ - NCT04741945RecruitingPhase 2
Metformin to help prevent leukemia in certain blood disorders
This Phase 2 study tests whether metformin can lower the risk of leukemia developing in people with low-risk myelodysplastic syndrome (LR-MDS) or CCUS. You may be considered if your blood counts have stayed low and other causes have been ruled out.
Copenhagen, Copenhagen NAges 18 years+ - NCT04758000RecruitingPhase 2
Metformin after bone cancer treatment to prevent relapse
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.
BolognaAges 14 years+ - NCT07693452RecruitingPhase 2
Testing metformin for recurrent appendix cancer
This trial tests whether the drug metformin (a common diabetes pill) can help control pseudomyxoma peritonei, a rare abdominal cancer. It is for people whose cancer has come back or cannot be surgically removed, and who aren't planning a major surgery with heated chemotherapy at this time.
Orange, CaliforniaAges 18 years+ - NCT04939935RecruitingPhase 3
Metformin to slow kidney decline in adults with polycystic kidneys
This Phase 3 study tests whether taking metformin can slow the decline of kidney function in adults with autosomal dominant polycystic kidney disease (ADPKD). You may be eligible if you have ADPKD and signs that your kidneys are starting to decline faster than expected.
Gosford, New South WalesAges 18–70 - NCT04945148RecruitingPhase 2
Metformin plus radiation and chemo for glioblastoma subtype
This Phase 2 study tests whether adding metformin to standard radiation and temozolomide (chemo) can improve outcomes for people with newly diagnosed glioblastoma of a specific metabolic subtype. It aims to see if this combination is safer and more effective than standard treatment alone.
Suresnes, Hauts de SeineAges 18 years+
Common questions
- Are there clinical trials studying Metformin?
- Yes. Clin2 currently lists 152 recruiting studies that include Metformin, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Metformin trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Metformin an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Metformin or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.