Haemate HS in Patients With Severe Bleeding Undergoing Valve Replacement Due to Aortic Stenosis
Phase 2
Withdrawn
- Conditions
- Blood Loss, Surgical
- Interventions
- Drug: Haemate HSOther: NaCl-solution
- Registration Number
- NCT00618293
- Lead Sponsor
- Heinrich-Heine University, Duesseldorf
- Brief Summary
Evaluation of efficacy by determination of transfusion requirements and safety by determination of adverse events in administration of Von Willebrand factor concentrate F VIII (Haemate).
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- WITHDRAWN
- Sex
- All
- Target Recruitment
- Not specified
Inclusion Criteria
- patients with isolated valvular aortic stenosis or combined aortic-valve defect with prevailing stenosis with severe bleeding during aortic-valve replacement
- Caucasian
- written informed consent (Classification of bleeding as "normal", "moderate" or "excessive" by the surgeon.Classification as excessive leads to recruitment)
Exclusion Criteria
- active endocarditis
- history suggestive for inherited oe acquired bleeding disorder
- concomitant coronary heart disease
- agents impairing platelet function up to 14 days before surgery
- Pregnancy
- inherited platelet function
- known intolerance against HAEMATE HS
- previous thromboembolic complications
- Hepatitis B, C or HIV infection
- previous chemotherapy
- emergency surgery within the last 7 days
- weight < 50 kg and > 100 kg
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description 1 Haemate HS intravenous infusion of Haemate (dosage dependent on body weight) 2 NaCl-solution intravenous infusion of 0.9% NaCl solution
- Primary Outcome Measures
Name Time Method intra- and postoperative transfusion requirements of packed red cells, platelet concentrates and fresh frozen plasma according to defined transfusion thresholds begin of surgery and 48h after administration of medication
- Secondary Outcome Measures
Name Time Method Assessment of adverse events and viral safety 1.perioperative 2. during hospital admission 3. within 90 days after surgery
Related Research Topics
Explore scientific publications, clinical data analysis, treatment approaches, and expert-compiled information related to the mechanisms and outcomes of this trial. Click any topic for comprehensive research insights.
What molecular mechanisms underlie Haemate HS's efficacy in reducing transfusion requirements during aortic valve replacement in patients with severe bleeding?
How does Haemate HS compare to standard-of-care antifibrinolytic agents like tranexamic acid in managing surgical blood loss in aortic stenosis patients?
Which biomarkers (e.g., Von Willebrand factor activity, FVIII levels) predict response to Haemate HS in high-bleeding-risk cardiac surgery populations?
What are the thromboembolic and allergic adverse event profiles of Haemate HS in NCT00618293, and how do they compare to other VWF/FVIII concentrates?
Are there combination therapies involving Haemate HS and desmopressin that improve hemostasis in aortic stenosis valve replacement procedures compared to monotherapy?
Trial Locations
- Locations (1)
Klinik für Kardiovaskuläre Chirurgie
🇩🇪Düsseldorf, Germany