A phase 1 study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of PF-07261271 in healthy participants.

Br J Clin PharmacolJun 3, 2026 (epub)
Clinical ResearchGastroenterology

Srividya Neelakantan, Christopher Banfield, Kenneth Hung et al.

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In 30 seconds

This phase 1 randomized controlled trial evaluated the safety, tolerability, pharmacokinetics, and pharmacodynamics of PF-07261271, a bispecific antibody, in 35 healthy participants. The study found that PF-07261271 was generally safe and well tolerated, with all treatment-emergent adverse events classified as mild to moderate. Notably, the estimated bioavailability for the subcutaneous administration was 48%.

Key findings

  • PF-07261271 was generally safe and well tolerated, with all adverse events mild to moderate.
  • The estimated bioavailability of PF-07261271 administered subcutaneously was 48%.
  • Dose-dependent increases in serum total sTL1A and p40 levels indicated target engagement.

Why it matters

The study highlights the potential of PF-07261271 as a new therapeutic option for inflammatory bowel disease, addressing the need for more effective treatments that target multiple pathways.

Source

Published in Br J Clin Pharmacol. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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AI-generated summaries may contain errors or omissions. Verify clinically important information with the original publication.

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