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Clinical therapeutic trial of sodium meclofenamate and naproxen in rheumatoid arthritis, with comments on the use of placebos in clinical trials.

Abstract
Forty patients with active rheumatoid arthritis were entered into a single-blind study of 12-weeks' duration to compare the efficacy and tolerance of 100 mg sodium meclofenamate 3-times daily and 250 mg naproxen twice daily. Disease activity was defined by the presence of a Ritchie Articular Index score of greater than 15. Patients were assessed at 4-week intervals. Analysis of variance of the data from those patients who completed 12 weeks in the trial showed that in the sodium meclofenamate group there was a significant improvement in articular index, left grip strength, pain severity and patients' global assessment over the course of the study. In the naproxen group, there was a significant improvement in articular index, grip strength and pain severity over the study. Pairwise comparisons showed that morning stiffness improved significantly from baseline to 12 weeks only, in both treatment groups. There were no significant differences between the two treatment groups for any of the measurements at any time period during the study. In the sodium meclofenamate group, there were 4 drop-outs due to inadequate efficacy and 6 in the naproxen group. Four patients in the sodium meclofenamate group and 2 patients in the naproxen group dropped out of the study because of side-effects, primarily nausea. These results suggest that sodium meclofenamate was equally well tolerated and as effective as naproxen in the treatment of rheumatoid arthritis in this group of patients.
AuthorsE M Grace, A Mewa, P J Rooney, W W Buchanan
JournalCurrent medical research and opinion (Curr Med Res Opin) Vol. 8 Issue 6 Pg. 417-24 ( 1983) ISSN: 0300-7995 [Print] England
PMID6342956 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Randomized Controlled Trial)
Chemical References
  • Placebos
  • ortho-Aminobenzoates
  • Meclofenamic Acid
  • Naproxen
Topics
  • Adult
  • Aged
  • Arthritis, Rheumatoid (drug therapy)
  • Clinical Trials as Topic
  • Female
  • Humans
  • Male
  • Meclofenamic Acid (therapeutic use)
  • Middle Aged
  • Naproxen (therapeutic use)
  • Placebos
  • Random Allocation
  • ortho-Aminobenzoates (therapeutic use)

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