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Liraglutide 2006-11 ClinicalTrials

Liraglutide's metabolic profile and excretion characterized in healthy males after single [3H]-dose

Metabolism and Excretion of Liraglutide in Healthy Male Volunteers

Background

Liraglutide, a GLP-1 receptor agonist, is a cornerstone in managing type 2 diabetes and obesity. Comprehensive understanding of its metabolic fate and excretion routes is critical for drug development, ensuring safety, and optimizing dosing regimens. While its therapeutic efficacy is well-established, detailed pharmacokinetic data, particularly regarding specific metabolites and precise excretion pathways, remains vital for informing future drug design and refining patient care strategies. This study aimed to provide such a comprehensive metabolic profile.

Study Design

This open-label, single-dose Phase 1 trial was conducted in Europe. Healthy male volunteers received a single injection of [3H]-liraglutide. The study's primary objective was to characterize the metabolic profile of liraglutide in plasma, urine, and faeces. Samples were collected to analyze metabolites and quantify excretion pathways, providing insights into the drug's pharmacokinetic fate. The trial focused on understanding how the body processes and eliminates the radiolabeled compound.

Why It Matters

Understanding liraglutide's precise metabolic and excretion pathways is fundamental for drug development and regulatory approval. This detailed pharmacokinetic data helps confirm the drug's safety profile and informs potential drug-drug interactions. For clinicians, this information supports optimal dosing strategies and patient monitoring, especially in individuals with impaired renal or hepatic function. Biohackers and peptide users gain confidence in the drug's predictable elimination, contributing to safer self-administration practices and better understanding of its systemic effects, ensuring more informed usage.


liraglutide metabolism pharmacokinetics excretion phase-1 healthy-volunteers
Source: clinicaltrials:NCT01517568 · Ingested 2026-06-01 · Digest: gemini-2.5-flash