[Study of 70 cases of rheumatoid polyarthritis treated by pyrithioxin with a 1-year follow-up].

The authors present their own series of 70 rheumatoidpolyarthritis cases treated with pyrithioxine during one year or more except in the case of failure or intolerance. The following results were observed after one year: 54 percent showed positive results, 34 percent showed no results or dubious ones, and there was 13 percent of discontinuance because of intolerance. Modifications of the posology and methods of administering are proposed, and the role of pyrithioxine, as a basic treatment for rheumatoid polyarthritis, is discussed.