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Title: Gastric ulcer healing by chebulinic acid solid dispersion-loaded gastroretentive raft systems: preclinical evidence. Author: Negi P, Gautam S, Sharma A, Rathore C, Sharma L, Upadhyay N, Tambuwala MM, Chellappan DK, Gupta G, Prasher P, Dua K, Agarwal S, Lal UR. Journal: Ther Deliv; 2022 Feb; 13(2):81-93. PubMed ID: 35075915. Abstract: Background: Chebulinic acid (CA), a component in Terminalia chebula, exhibits antiulcer activity, but has poor aqueous solubility. Raft-forming systems incorporating solid dispersions (SDs) of CA, were developed to overcome its poor biopharmaceutical properties and to prolong the gastric residence time for maximum activity. Methods: SDs were formulated by a solvent evaporation method using Eudragit EPO. Raft formulations consisted of sodium alginate as a polymer. Results: Release of CA in the dissolution medium was 40%, whereas SDs showed 95.45% release. The CA raft system (20 mg/kg) showed curative efficacy in an alcohol-induced gastric ulcer model and increased protection when compared with omeprazole (10 mg/kg) and CA suspension (20 mg/kg). Conclusion: These studies demonstrated SD raft systems to be a promising approach for antiulcer therapy by CA.[Abstract] [Full Text] [Related] [New Search]