SAMe superior a fármacos en artrosis

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SAMe superior a fármacos en artrosis

Notapor Fisio » Dom, 19 Ene 2014, 18:54

Italian double-blind multicenter study comparing S-adenosylmethionine, naproxen, and placebo in the treatment of degenerative joint disease.
Caruso I, Pietrogrande V.
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Abstract

In a double-blind study, the efficacy and tolerability of S-adenosylmethionine (SAMe) were evaluated in comparison with those of placebo and naproxen in the treatment of osteoarthritis of the hip, knee, spine, and hand. Thirty-three centers, 18 rheumatologic and 15 orthopedic, participated in this study. A total of 734 subjects, including 582 with coxarthrosis (hip osteoarthritis) or gonarthrosis (knee osteoarthritis), were enrolled. SAMe administered orally at a dose of 1,200 mg daily was shown to exert the same analgesic activity as naproxen at a dose of 750 mg daily. Both drugs were more effective than placebo (p less than 0.01). Tolerability of SAMe was significantly better than that of naproxen, both in terms of physicians' (p less than 0.025) and patients' (p less than 0.01) judgments and in terms of the number of patients with side effects (p less than 0.05). There was no difference between SAMe and placebo in the number of side effects. Ten patients in the SAMe group and 13 in the placebo group withdrew from the study because of intolerance to the drug.


S-adenosyl methionine (SAMe) versus celecoxib for the treatment of osteoarthritis symptoms: a double-blind cross-over trial. [ISRCTN36233495].
Najm WI, Reinsch S, Hoehler F, Tobis JS, Harvey PW.
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Abstract
BACKGROUND:

S-adenosylmethionine (SAMe) is a dietary supplement used in the management of osteoarthritis (OA) symptoms. Studies evaluating SAMe in the management of OA have been limited to Non Steroidal Anti-inflammatory Drugs (NSAIDs) for comparison. The present study compares the effectiveness of SAMe to a cyclooxygenase-2 (COX-2) inhibitor (celecoxib) for pain control, functional improvement and to decrease side effects in people with osteoarthritis of the knee.
METHODS:

A randomized double-blind cross-over study, comparing SAMe (1200 mg) with celecoxib (Celebrex 200 mg) for 16 weeks to reduce pain associated with OA of the knee. Sixty-one adults diagnosed with OA of the knee were enrolled and 56 completed the study. Subjects were tested for pain, functional health, mood status, isometric joint function tests, and side effects.
RESULTS:

On the first month of Phase 1, celecoxib showed significantly more reduction in pain than SAMe (p = 0.024). By the second month of Phase 1, there was no significant difference between both groups (p < 0.01). The duration of treatment and the interaction of duration with type of treatment were statistically significant (ps < or = 0.029). On most functional health measures both groups showed a notable improvement from baseline, however no significant difference between SAMe and celecoxib was observed. Isometric joint function tests appeared to be steadily improving over the entire study period regardless of treatment.
CONCLUSION:

SAMe has a slower onset of action but is as effective as celecoxib in the management of symptoms of knee osteoarthritis. Longer studies are needed to evaluate the long-term effectiveness of SAMe and the optimal dose to be used.


http://www.ncbi.nlm.nih.gov/pubmed/3318442

http://www.ncbi.nlm.nih.gov/pubmed/15102339
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