Diacetyl derivative of rhein, q.v. Demonstrates anti-arthritic activity without inhibiting prostaglandin synthesis. Prepn: A. Tschirch, K. Heuberger, Arch. Pharm. 240, 596 (1902); V. K. Murty et al., Tetrahedron 23, 515 (1967). Effect on prostaglandin release: P. Pomarelli et al., Farmaco Ed. Sci. 35, 836 (1980). Inhibition of proteases: L. Raimondi et al., Pharmacol. Res. Commun. 14, 103 (1982). Use in arthritis: C. A. Friedmann, DE 2711493; idem, US 4244968 (1977, 1981 both to Proter). Preliminary clinical study in osteoarthritis: A. G. Kay et al., Curr. Med. Res. Opin. 6, 548 (1980). Use in multiple sclerosis, amyotrophic lateral sclerosis: C. A. Friedmann, US 4346103 (1982); idem, JP Kokai 83 225015 (1983 to Proter), C.A. 100, 144991e (1984). Clinical trial in osteoarthritis: S. Adami et al., Clin. Ter. 112, 439 (1985).
Antiarthritic.
Antiarthritic/Antirheumatic