Efficacy, PK, Immunogenicity and Safety of Wilate in Severe Von Willebrand Disease (VWD) Patients… (NCT04953884) | Clinical Trial Compass
CompletedPhase 3
Efficacy, PK, Immunogenicity and Safety of Wilate in Severe Von Willebrand Disease (VWD) Patients <6 Years of Age
United States, Czechia, Germany12 participantsStarted 2021-09-22
Plain-language summary
The WIL-33 study aimed to determine the efficacy, pharmacokinetics, immunogenicity and safety of wilate as routine prophylaxis in up to 12 paediatric patients (eight evaluable) with severe von Willebrand Disease VWD (defined as screening von Willebrand factor ristocetin cofactor activity \[VWF:RCo\] \<20%) under the age of 6 years, over a period of 12 months.
Who can participate
Age range5 Years
SexALL
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Inclusion criteria
✓. Patients aged \<6 years at the time of screening
✓. Type 3 (at least four patients), severe type 2 (except 2N) or severe type 1 VWD (any of which with VWF:RCo \<20%) according to medical history, requiring substitution therapy with a VWF-containing product
✓. Minimum BW 12.5 kg at the time of screening (for Moldova and Czech Republic, minimum BW 11.0 kg at the time of screening)
✓. Voluntarily given, fully informed written and signed consent obtained before any study-related procedures are conducted (obtained from the patient's parent(s) / legal guardian(s))
Exclusion criteria
✕. History or current suspicion of VWF or FVIII inhibitors
✕. Injection of 1-deamino-8-D-arginine vasopressin (DDAVP) or VWF-containing product within 72 hours prior to inclusion
✕. Medical history of a thromboembolic event
✕. Platelet count \<100,000/µL at screening (except for VWD type 2B)
✕. Patients receiving, or scheduled to receive, immunosuppressant drugs (other than antiretroviral chemotherapy), such as prednisone (equivalent to \>10 mg/day), or similar drugs
✕. Treatment with any investigational medicinal product (IMP) in another interventional clinical study currently or within four weeks before enrolment
✕. Other coagulation disorders or bleeding disorders
What they're measuring
1
Total Annualised Bleeding Rate (TABR) During Prophylactic Treatment With Wilate.
Timeframe: During 12 months of prophylactic treatment