title: Trial of a new antirheumatic agent.
mesh_terms: D000328:Adult; D000368:Aged; D000700:Analgesics / Q000009:adverse effects / Q000627:therapeutic use; D000893:Anti-Inflammatory Agents / Q000009:adverse effects / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy* / Q000201:enzymology / Q000503:physiopathology; D001241:Aspirin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use; D001806:Blood Urea Nitrogen; D002986:Clinical Trials as Topic; D011431:Dextropropoxyphene / Q000008:administration & dosage; D004798:Enzymes / Q000097:blood; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010647:Phenyl Ethers / Q000009:adverse effects / Q000627:therapeutic use; D010919:Placebos; D011422:Propionates / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D000700:Analgesics; D000893:Anti-Inflammatory Agents; D004798:Enzymes; D010647:Phenyl Ethers; D010919:Placebos; D011422:Propionates; D001241:Aspirin; D011431:Dextropropoxyphene