Clinical trial Recruiting at 1 site Phase 4 Interventional Ages 18 and up

Enhancing platelet function to reduce bleeding

Official title: Enhancement of the Haemostatic Effect of Platelets in the Presence of High Normal Concentrations of Von Willebrand Factor

Run by University Hospital, Basel, Switzerland · NCT04555785 · Data updated 2026-11-12

This study is testing if a treatment called Wilate® can help patients in the ICU who are bleeding by improving their platelet function and reducing the need for blood transfusions.

Quick facts

PhasePhase 4
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment120 (estimated)
SponsorUniversity Hospital, Basel, Switzerland
Academic / other
Locations1 site (Basel)
StatusRecruiting
StartedApril 1, 2022
Main results expectedNovember 2027
Study endsNovember 2028
Registry record updatedJune 11, 2026
Trial IDNCT04555785 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older who are admitted to the intensive care unit and need platelet transfusions during or after surgery.

Probably not a fit

Patients with known von Willebrand disease, hemophilia A, or other specific coagulation disorders may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effects of high-normal doses of Wilate®, a treatment containing von Willebrand Factor, compared to a placebo in patients experiencing bleeding. The goal is to assess whether this treatment can reduce blood loss, the need for transfusions, and improve patient outcomes such as length of hospital stay and mortality rates. Patients admitted to the intensive care unit who require platelet transfusions during or after surgery will be included in the study. The research aims to enhance platelet adhesion and function in the presence of von Willebrand Factor.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce bleeding complications and improve recovery outcomes for patients requiring platelet transfusions.

How similar studies have gone: There is suggestive evidence from previous studies indicating that increasing von Willebrand Factor levels can enhance platelet function, but this specific approach is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years
* Admission to intensive care unit
* Patients needing platelet transfusion during or after surgery with or without prior treatment with single or dual antiplatelet agents (ASS, Prasugrel, Clopidogrel, Ticagrelor)
* Consent by the patient or a family member in addition to the consent of an independent ICU physician

Exclusion Criteria:

* Patients receiving Factor VIII concentrate before inclusion of the study (Haemate ®)
* Women who are pregnant or breastfeeding
* Participation in another study with an investigational drug within the 30 days preceding and during the present study
* Overt Disseminated Intravascular Coagulation (DIC)
* Heparin-induced Thrombocytopenia (HIT)
* Thrombotic Thrombocytopenic Purpura (TTP) or Haemolytic uremic Syndrome (HUS)
* Idiopathic thrombocytopenic purpura (ITP)
* Sepsis
* Patients with known inherited thrombocytopathies
* Patients with known von Willebrand disease or Haemophilia A
* Patients with known hemato-oncological diseases
* Previous enrolment into the current study
* Contraindications to the class of drugs under study, e.g. known hypersensitivity or allergy to class of drugs or the investigational product.

Where it's running

  • University Hospital Basel
    Basel, Switzerland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.