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Clinical Trial Summary

The purpose of the study is to evaluate the efficacy, safety, tolerability and pharmacokinetics of prophylactic SerpinPC administered subcutaneously (SC) to participants with severe hemophilia A (HemA) (with or without inhibitors) or moderately severe to severe hemophilia B (HemB) (without inhibitors) as part of the SerpinPC registrational program. This study consists of 3 parts: Part 1: dose-justification phase, Part 2: dose-confirmatory phase, Part 3: extension phase for participants who complete either Part 1 or Part 2. This adaptive design study has a randomized dose-justification component to investigate the efficacy and safety of SerpinPC as a therapeutic option, principally for participants with HemB without inhibitors. SerpinPC has a novel mechanism of action compared with marketed treatments and those that are in development.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05789524
Study type Interventional
Source ApcinteX Ltd
Contact Centessa Pharmaceuticals
Phone 617-468-5770
Email presentprogram@centessa.com
Status Recruiting
Phase Phase 2
Start date July 6, 2023
Completion date June 5, 2026

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