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A Study comparing the Effectiveness and Safety of two doses of Metformin (500 mg and 1000 mg) in patients with Type 2 Diabetes and Knee Osteoarthritis

A Prospective, Randomized, Open-label, Parallel-group study comparing the Effectiveness and Safety of Metformin 500 mg Versus 1000 mg in Patients with Type 2 Diabetes Mellitus and Metabolic Knee Osteoarthritis

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/04/108248
Enrollment
60
Registered
2026-04-13
Start date
Unknown
Completion date
Unknown
Last updated
2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: E116- Type 2 diabetes mellitus with other specified complications

Interventions

Intervention1: Metformin 1000 mg: Group B: Participants would receive Metformin 1000 mg/day orally in divided doses after meals for 3 months Control Intervention1: Metformin 500 mg: Group A: Participa

Sponsors

Government Medical College Amritsar
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients diagnosed with Type 2 DM of age group 45-75 years of any sex as per American Diabetes Association criteria, Patients with confirmed clinical and/or radiographic diagnosis of early Kellgren-Lawrence grade1,2 Osteoarthritis in at least one joint of age group 45-75 years of any sex who fulfils American College of Rheumatology criterion for the diagnosis of OA with evidence of metabolic syndrome, Metformin naive or limited exposure less than 3 months, with 4-week washout period if previously used, to assess dose response, Willing and able to provide written informed consent

Exclusion criteria

Exclusion criteria: Type 1 DM, gestational diabetes, HbA1c less than 6.5 percent or greater than 9.0 percent, Nondiabetics, Patient with inflammatory arthritis e.g., Rheumatoid arthritis, psoriatic, Gout, systemic autoimmune diseases e.g., SLE or other knee pain causes meniscal injury, or patellofemoral syndrome, Radiographically severe knee OA of grade 3, 4 K-L, History of significant joint injury or surgery e.g., total hip/knee Arthroplasty within last 6 months, Current or recent within 3 months use of systemic corticosteroids, weight loss medications, other antidiabetic agents, recent intra articular injections, Use of confounding pain medications e.g., gabapentin, duloxetine, NSAIDs within 4 weeks, Contraindication to metformin i.e. severe renal impairment eGFR less than 30ml per minute per 1.73m2, known hypersensitivity to metformin, severe liver disease SGOT, SGPT greater than 1000 Unit per Litre and SGOT upon SGPT is 2 times greater, history of lactic acidosis, severe hypoxic states e.g., heart failure, respiratory insufficiency, Pregnant or breastfeeding women.

Design outcomes

Primary

MeasureTime frame
To compare the efficacy of Metformin in two different doses 500 mg vs. 1000 mg on pain parameters in metabolic knee OA.Timepoint: Baseline,2 weeks,4 weeks,6 weeks 8 weeks,10 weeks,12 weeks

Secondary

MeasureTime frame
To assess metabolic status of patient.Timepoint: Baseline,2 weeks,4 weeks,6 weeks 8 weeks,10 weeks,12 weeks;To enumerate the reported adverse drug reactions amongst allocated patientsTimepoint: Baseline,2 weeks,4 weeks,6 weeks 8 weeks,10 weeks,12 weeks;To assess quality of life of recruited patientsTimepoint: Baseline,2 weeks,4 weeks,6 weeks 8 weeks,10 weeks,12 weeks

Countries

India

Contacts

Public ContactDr Ramandeep Yadav

Government Medical College Amritsar

kullar.g@gmail.com9501009338

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: May 1, 2026