Chronic Pain Clinical Trial
Official title:
Managing Chronic Tendon Pain by Repurposing Metformin
The purpose of the current exploratory clinical trial is to determine the effect of oral ingestion of metformin (OIM) in non-diabetic patients with chronic Achilles tendon pain. The trial has two aims; 1) to assess the effects of OIM treatment on tendon pain, and 2) to determine the effects of OIM capsules on tendon healing and repair. Twenty participants will be treated with metformin capsules for 16 weeks combined with a home exercise program. A comparison group of 20 participants will be treated with placebo tablets along with home exercise program.
This is a blinded and randomized controlled trial that focuses on the treatment effects of metformin (Met) on chronic tendon pain, healing, and repair in midportion Achilles tendinopathy. We will include a total 40 patients randomly divided into two equal groups: Group 1: Home Exercise Program + Placebo as a control group Group 2: Home Exercise Program + Oral Ingestion of Metformin Patients in group 1 will receive placebo capsules,1 capsule (500 mg) daily for week one, 2 capsules (1,000 mg) daily for week two, 3 capsules daily for week 3 (1,500 mg), and 4 capsules daily (2,000 mg) for weeks 4-16. Patients in group 2 will receive metformin capsules,1 capsule (500 mg) daily for week one, 2 capsules (1,000 mg) daily for week two, 3 capsules daily for week 3 (1,500 mg), and 4 capsules daily (2,000 mg) for weeks 4-16. All patients will participate in a home exercise program through MedBridge, a HIPAA-compliant participant portal currently used by physical therapists at University of Pittsburgh Medical Center. There are 3 visits for this study. Visits include a Screening/Baseline visit, week 4 and week 16 visit. During each visit, participants will answer questions, complete functional testing, and undergo an ultrasound of the Achilles Tendon. ;
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