EVENING PRIMROSE OIL IN PATIENTS WITH RHEUMATOID ARTHRITIS AND SIDE-EFFECTS OF NON-STEROIDAL ANTI-INFLAMMATORY DRUGS
- 1 October 1991
- journal article
- clinical trial
- Published by Oxford University Press (OUP) in Rheumatology
- Vol. 30 (5) , 370-372
- https://doi.org/10.1093/rheumatology/30.5.370
Abstract
Forty patients with rheumatoid arthritis and upper gastrointestinal lesions due to non-steroidal anti-inflammatory drugs entered a prospective 6-month double-blind placebo controlled study of dietary supplementation with gamma-linolenic acid 540 mg/day. Nineteen patients received active therapy (as evening primrose oil 6g/day) and 21 received placebo (olive oil 6g/day). No patient stopped non-steroidal anti-inflammatory therapy but three patients in each group reduced their dose. Other results showed a significant reduction in morning stiffness with gamma-linolenic acid at 3 months and reduction in pain and articular index at 6 months with olive oil. Whilst gamma-linolenic acid may produce mild improvement in rheumatoid arthritis, olive oil may itself have hitherto unrecognized benefits.Keywords
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