Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1984-02-17
1985-08-06
Friedman, Stanley J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514825, A61K 3140
Patent
active
045335516
ABSTRACT:
The effect of prolonged treatment with etodolac on the articular pathology associated with adjuvant arthritis in the rat has been compared to the effects produced by similar treatment with naproxen and ibuprofen. Drug effects were assessed by radiologic and histopathologic examinations. The effects on hindpaw edema, hindleg function, and body weight gain were also evaluated. Treatment was initiated on day 16 after adjuvant injection and continued for 28, 56 or 84 days. The degree of relapse which occurred during 28 days of non-treatment after dosage was stopped after 28 or 56 days of treatment was also assessed. Etodolac prevented the progression of the disease. Further, it appeared to diminish the severity of the articular lesions already present on day 16 before drug treatment began. All the parameters measured were improved and there was good agreement between the radiologic and histopathologic assessments of articular damage. The onset of drug activity was more rapid with etodolac than with the other drugs. By comparison naproxen and ibuprofen decreased edema, increased hindleg function and body weight gain and inhibited the progression of joint damage, but neither drug consistently decreased the magnitude of the articular damage present on day 16. With all three drugs there was less resurgence of disease symptoms when treatment was stopped after 56 days rather than 28 days of drug administration.
REFERENCES:
Chem. Abst. 96-154981q (1982), 97-84945a (1982) & 99-151827v (1983).
American Home Products Corporation
Friedman Stanley J.
Patton Walter
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