Phase 3 Osteoarthritis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People aged 18 years or older
- People who have been diagnosed with hand osteoarthritis based on established medical criteria
- People who have had an average finger pain level of 4 or more out of 10 (where 10 is the worst pain) across fingers 2 to 5, over the past 30 days
- People who have never taken metformin before
Who may not be able to join:
- People who have, or have a history of, a medical condition that affects the joints, such as rheumatoid arthritis, gout, or psoriatic arthritis
- People who have psoriasis
- People with a known history of cancer, except for certain skin cancers (squamous or basal cell) that have been successfully treated
- People who have had issues with drug or alcohol misuse in the past year
- People who have a nerve compression condition, such as carpal tunnel syndrome
- People who have been diagnosed with diabetes
- People who have a widespread pain condition such as fibromyalgia
- People with a known nerve disease affecting the hands or feet (peripheral neuropathy)
- People with known allergies to the medications being tested in the trial
- People who have had gastric bypass surgery or have a condition that affects how the body absorbs nutrients
- People taking weight loss medication (such as GLP-1 medicines) or osteoporosis medication whose dose has not been stable for at least 3 months, or where a dose change is planned during the study
- People with any other condition or impairment that, in the trial team's opinion, would make participation unsuitable or difficult, such as certain psychiatric conditions
- People who have had surgery on the hand being studied within the past 12 months
- People who have previously had joint replacement, joint fusion, or surgical treatment for thumb base osteoarthritis in the hand being studied
- People who have used oral or injected corticosteroids at a dose equivalent to 7.5 mg or more of prednisolone per day within the past 3 months
- People currently being treated with denosumab (also known as Prolia or Xgeva)
- People who have taken part in another experimental drug or device study within the past 3 months
- People who have received any injection into a joint of the hand being studied within the past 3 months
- People who are currently using opioid pain medicines (prescription or otherwise)
- People who are planning to start another treatment for hand osteoarthritis during the study period
- People who have a CT scan with iodine contrast dye planned during the study period
- People who have surgery planned on the arm or hand being studied during the study period
- People who have any surgery planned during the study period that would require stopping metformin, such as surgery under general anaesthetic
- People who are currently pregnant
- People who are planning to become pregnant during the study period, or within 3 months after the end of treatment (for women) or 6 months after the end of treatment (for men)
- Women who are able to become pregnant and are not using adequate contraception during the study and for 3 months after treatment ends — adequate methods include an intrauterine device (coil), hormonal contraception (such as pills, implant, patch, ring, or injections), or abstinence from sex (confirm with trial site)
- Men who are not using adequate contraception during the study and for 6 months after treatment ends — adequate methods include condoms or abstinence from sex (confirm with trial site)
- People who are currently breastfeeding
- People whose blood test shows a positive anti-CCP result above a certain level, which may suggest a different type of arthritis (confirm with trial site)
- People whose kidney function is below a certain level, based on a blood test result (confirm with trial site)
- People with low vitamin B12 levels based on a blood test (confirm with trial site)
- People whose blood sugar control measure (HbA1c) is at or above a level that may suggest diabetes or pre-diabetes, based on a blood test (confirm with trial site)
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: +4538164162
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Finger pain
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.