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Clinical Trial Summary

The aim of the study is to evaluate the efficacy of a personalized caplacizumab regimen based on ADAMTS13 activity monitoring in adult acquired thrombotic thrombocytopenic purpura (aTTP): This study is a phase II, prospective, multicenter non-inferiority single-arm study.


Clinical Trial Description

ADAMTS13 activity will be evaluated on day 7 after the end of daily PE and every 7 days until ADAMTS13 activity ≥ 20% is reached. In case of persistent severe ADAMTS13 deficiency (≤ 20%), caplacizumab administration could be extended for a maximum of 58 days after the end of the daily PE period and should be accompanied by an adjusted immunosuppressive therapy as needed. This duration is in accordance with the HERCULES study protocol and its SmPC. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04720261
Study type Interventional
Source University Hospital, Rouen
Contact Ygal BENHAMOU
Phone 0232889274
Email ygal.benhamou@chu-rouen.fr
Status Not yet recruiting
Phase Phase 2
Start date May 1, 2021
Completion date October 1, 2023

See also
  Status Clinical Trial Phase
Not yet recruiting NCT05262881 - A Retrospective, Observational Study on the Response to Caplacizumab Treatment in aTTP Patients: the Italian Experience (ROSCAPLI)
Not yet recruiting NCT05135442 - Efficacy and Safety of Bortezomib as First-line Treatment of Acquired TTP Phase 4