Effects of Glucosamine & Chondroitin Supplementation in Women With Knee

Status Completed

Clinical Trial Summary

Background: Exercise, weight loss, and dietary supplementation of glucosamine and chondroitin (GC) have been reported to improve functional capacity in individuals with knee osteoarthritis (OA). The purpose of this study was 1.) to determine whether women with knee OA who follow a higher protein diet observe more favorable changes in body composition and/or markers of health compared to those following a standard higher carbohydrate-based diet; and, 2.) to determine whether dietary supplementation of glucosamine and chondroitin during a weight loss and fitness program lessens symptoms of pain, improves functional capacity, and/or promotes greater health benefits in women with knee OA. It was hypothesized that both groups would experience beneficial changes in body mass, body composition, and markers of health. However, greater benefits would be observed in those following a higher protein diet while supplementing the diet with glucosamine and chondroitin.

Clinical Trial Description

The study was conducted as a randomized, double-blind, placebo-controlled clinical trial in a university research setting. Participants with physician diagnosed OA participated in a 14-week fitness and weight loss program that consisted of moderately hypo-energetic higher protein or higher carbohydrate diets. Participants were also randomly assigned to ingest in a double-blind and randomized manner either a placebo or a commercially available dietary supplement containing glucosamine and chondroitin. Outcome measures were assessed at 0, 10, and 14 weeks of training, dieting, and supplementation. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Supportive Care

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01271218
Study type	Interventional
Source	Texas A&M University
Contact
Status	Completed
Phase	Phase 4
Start date	November 2005
Completion date	December 2006

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effects of Glucosamine and Chondroitin Supplementation in Women With Knee Osteoarthritis Participating in an Exercise and Weight Loss Program

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms