Study of Biostate® in Children With Von Willebrand Disease
A Phase III Open-label, Multi-centre Study to Assess the Pharmacokinetics, Efficacy, and Safety of Biostate® in Paediatric Subjects With Von Willebrand Disease
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male and female subjects between 0 and <12 years of age
- Diagnosed with VWD Type 1, 2A, or 3
- Desmopressin acetate (DDAVP) treatment is ineffective, contraindicated, or not available for subject
- von Willebrand factor: ristocetin cofactor (VWF:RCo) is <20% at screening or the subject has a history of VWF:RCo <10%
- Evidence of vaccination against hepatitis A and B or presence of antibodies against hepatitis A and B due to either a previous infection or prior immunization
- Written informed consent given
Exclusion Criteria:
- Active bleeding immediately prior to initial PK period
- Received treatment with DDAVP or a VWF concentrate product for their VWD in the 5 days prior to their first study treatment
- Have received aspirin or other non-steroidal anti-inflammatory drugs (NSAIDs) within 7 days of commencing the PK period.
- Known history or suspicion of having VWF or FVIII inhibitors
- Acute or chronic medical condition, other than VWD, which may affect the conduct of the study
- Known or suspected hypersensitivity or previous evidence of severe side effects to other FVIII/VWF concentrates
- Participation in a clinical study or use of an investigational compound in another study in the 3 months preceding study start
- Unwillingness and/or inability to comply with the study requirements
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Biostate
|
PK component: Single bolus infusion of 80 IU VWF:RCo/kg administered intravenously on Day 1, and approximately Day 180 in Type 3 VWD subjects only. Efficacy component: Repeated bolus doses over 12 months as required to manage VWD condition. |
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Half-life of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Mean residence time (MRT) of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Haemostatic efficacy
Time Frame: From Day 1 until final study visit
|
From Day 1 until final study visit
|
|
Incremental Recovery of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Incremental Recovery of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Half-life of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Area under the concentration curve (AUC) of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
AUC of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Maximum plasma concentration (Cmax) of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Maximum plasma concentration (Cmax) of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Minimum plasma concentration (Cmin) of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Minimum plasma concentration (Cmin) of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Time to maximum concentration (tmax) of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Time to maximum concentration (tmax) of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Mean residence time (MRT) of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Clearance (CL) of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Clearance (CL) of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
|
Volume of distribution of steady state (Vss) of VWF
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1 and 6 months after initial dose
|
|
Volume of distribution of steady state (Vss) of FVIII
Time Frame: Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Samples taken prior and then 0.5, 4, 8, 24, and 48 h after the infusion on Day 1
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Frequency of adverse events (AEs) per infusion
Time Frame: 13 months
|
13 months
|
|
Severity of AEs per infusion
Time Frame: 13 months
|
13 months
|
|
Severity of AEs per subject
Time Frame: 13 months
|
13 months
|
|
Relatedness of AEs per infusion
Time Frame: 13 months
|
13 months
|
|
Relatedness of AEs per subject
Time Frame: 13 months
|
13 months
|
|
Development of VWF inhibitors
Time Frame: Sample taken at baseline, then every 3 months up to 12 months
|
Sample taken at baseline, then every 3 months up to 12 months
|
|
Development of FVIII inhibitors
Time Frame: Sample taken at baseline, then every 3 months up to 12 months
|
Sample taken at baseline, then every 3 months up to 12 months
|
|
Frequency of adverse events (AEs) per subject
Time Frame: 13 months
|
13 months
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- CSLCT-BIO-08-52
- 1494 (CSL Behring)
- 2009-017753-34 (EudraCT Number)
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