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Population Pharmacokinetics of Teduglutide Following Repeated Subcutaneous Administrations in Healthy Participants and in Patients with Short Bowel Syndrome and Crohn’s Disease

Teduglutide is a GLP-2 analog currently evaluated for the treatment of short bowel syndrome, Crohn’s disease, and other gastrointestinal disorders. The population pharmacokinetics (PK) of teduglutide were assessed following daily subcutaneous (SC) administrations of 2.5 to 80 mg doses in a total of 256 patients. A 1-compartment model with a site-specific rate constant of absorption in the abdomen, arm, and thigh was used to assess the PK of teduglutide. Apparent clearance (CL/F) of teduglutide in male participants was approximately 18% higher than that observed in female participants (12.4 vs 10.5 L/h, respectively). Body weight was detected as a significant covariate explaining the volume of distribution of teduglutide. The elimination half-life (t(1/2)) of teduglutide was also influenced by the body weight of participants. For a male patient weighing 50 and 90 kg, t(1/2) of teduglutide was 0.897 and 2.99 hours, respectively. Renal and hepatic function of patients did not affect the PK of teduglutide. As a result, no dose adjustment was deemed necessary in patients with altered renal or liver function. The population PK model will help to support adequate drug labeling following SC administrations in patients and determine whether an individualized dosage is required.

Author(s): Jean-Francois Marier, Mohamad-Samer Mouksassi, Nathalie Gosselin, Martin Beliveau, Jane Cyran, John Wallens

Year: 2010 年 1 月 1 日

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