Ricinoleic acid is a naturally occurring 12-hydroxy fatty acid. It constitutes about 90% of the fatty acids in castor oil. Pyrrolidine Ricinoleamide is a derivative of the amide of ricinoleic acid that shows potent antiproliferative activity against an array of cancer cell lines, including human glioma U251 cells.
ADL 08-0011 is an active metabolite of the μ-opioid receptor antagonist alvimopan. It is produced from alvimopan via amide hydrolysis by gut microbiota. ADL 08-0011 is a μ-opioid receptor antagonist (Ki = 0.25 nM). It is selective for μ-opioid receptors over κ- and δ-opioid receptors (Kis = 15.8 and 31.6 nM, respectively). ADL 08-0011 inhibits endomorphin 1-induced inhibition of electrically induced contraction of isolated guinea pig ileum (pA2 = 9.4). In vivo, ADL 08-0011 (0.03-1 mg/kg) reverses loperamide-induced delayed gastric emptying in a rat model of castor oil-induced diarrhea.
Racecadotril-d5 is intended for use as an internal standard for the quantification of racecadotril by GC- or LC-MS. Racecadotril is a prodrug form of the neprilysin (NEP) inhibitor thiorphan. In vivo, racecadotril reduces or prevents castor oil-induced diarrhea without delaying intestinal transit in rats when administered at doses of 80 or 100 mg/kg, respectively. It also decreases the duration of diarrhea and increases body weight gain in a neonatal gnotobiotic pig model of human rotavirus-induced diarrhea. Formulations containing racecadotril have been used in the treatment of acute diarrhea.