Evaluation of efficacy and safety of glucosamine sulfate, chondroitin sulfate, and their combination regimen in the management of knee osteoarthritis: a systematic review and meta-analysis

Document Type

Article

Publication Title

Inflammopharmacology

Abstract

Aim: This study was aimed to assess the efficacy and safety of two oral Symptomatic Slow Acting Drugs for Osteoarthritis (SYSADOAs)—Glucosamine Sulfate, Chondroitin Sulfate, and their combination regimen in the management of knee osteoarthritis (KOA). Methods: This systematic review was conducted according to PRISMA 2020 guidelines. A detailed literature search was performed from 03/1994 to 31/12/2022 using various electronic databases including PubMed, Embase, Cochrane Library, and Google Scholar, using the search terms—Glucosamine sulfate (GS), Chondroitin sulfate (CS), Knee osteoarthritis, Joint pain, Joint disease, and Joint structure, for literature concerning glucosamine, chondroitin, and their combination in knee osteoarthritis treatment. Cochrane Collaboration’s Risk assessment tool (version 5.4.1) was used for assessing the risk of bias and the quality of the literature. The data was extracted from the included studies and subjected to statistical analysis to determine the beneficial effect of Glucosamine Sulfate, Chondroitin Sulfate, and their combination. Results: Twenty-five randomized controlled trials (RCTs) were included in this systematic review. In short, exclusively 9 RCTs for GS, 13 RCTs for CS, and 3 RCTs for the combination of GS and CS. All these studies had their treatment groups compared with placebo. In the meta-analysis, CS showed a significant reduction in pain intensity, and improved physical function compared to the placebo; GS showed a significant reduction in tibiofemoral joint space narrowing. While the combination of GS and CS showed neither a reduction in pain intensity, nor any improvement in the physical function. However, the combination exhibited a non-significant reduction in joint space narrowing. In the safety evaluation, both CS and GS have shown good safety profile and were well tolerated. Conclusion: This meta-analysis revealed that the CS (with decreased pain intensity and improvement in the physical function), and GS (with significant reduction in the joint space narrowing) have significant therapeutic benefits. However, their combination did not significantly improve the symptoms or modify the disease. This may be due to the limited trials that are available on the combination of the sulfate forms of the intervention. Hence, there is a scope for conducting multicentric randomised controlled trials to evaluate and conclude the therapeutic role of CS and GS combination in the management of KOA.

DOI

10.1007/s10787-024-01460-9

Publication Date

1-1-2024

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