Abstract
Osteoarthritis (OA) is the most common form of arthritis often associated with morbidity, disability, functional impairment and impaired quality of life. A new perspective in OA management is to delay disease progression by modifying joint structure. Glucosamine sulfate (GS) and chondroitin sulfate (CS) have attracted a lot of interest as a specific drug for OA. Glucosamine is a constituent of glcosaminoglycans in cartilage matrix and synovial fluid and is involved in cartilage formation. Chondroitin sulfate (CS) belongs to the glycosaminoglycan group and is a major component of the articular cartilage. The meta-analyses have shown that GS (but not glucosamine hydrochloride) and CS have small-to-moderate symptomatic efficacy in OA. With respect to the structure-modifying effect, there is some evidence that GS and CS may interfere with structural progression of OA.
References
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Table 1.
Table 2.
Test of association | Test of heterogeneity | ||||||||
---|---|---|---|---|---|---|---|---|---|
Drug | Group | No. of Studies | Std diff in means | 95% CI | p-val | Model | Q | p-val | I2 |
Glucosamine sulfate | Follow-up for 1 yrs Follow-up for 3 yrs JSN>0.5 mm | 2 2 2 | 0.078 0.432 0.361∗ | −0.116∼0.273 0.235∼0.628 0.204∼0.640 | 0.429 0.000 0.000 | FFF | 1.14 0.03 0.05 | 0.284 0.848 0.810 | 12.7 0 0 |
Minimum JSW | 3 | 0.317 | 0.136∼0.497 | 0.001 | F | 2.14 | 0.342 | 6.9 | |
Chondroitin sulfate | e Mean JSW Follow-up for 1 yrs | 4 2 | 0.236 0.295 | 0.148∼0.386 0.000∼0.590 | 0.000 0.050 | FF | 0.07 0.00 | 0.995 0.965 | 0 0 |
Follow-up for 2 yrs | 2 | 0.261 | 0.131∼0.392 | 0.000 | F | 0.02 | 0.864 | 0 |