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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: Netherlands Trial Register
Last refreshed on: 28 April 2013
Main ID:  NTR2094
Date of registration: 05/11/2009
Primary sponsor: Academic Medical Center (AMC)
Public title: The influence of statin therapy on DDAVP response in patients with Type 1 von Willebrand disease or mild Hemophilia A.
Scientific title: The STIMULATE study: Statins Influence on Minrin Upregulation of von Willebrand factor and factor VIII. - STIMULATE
Date of first enrolment: 1/1/2010
Target sample size: 20
Recruitment status: pending
URL:  http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=2094
Study type:  intervention
Study design:  Randomised: No; Masking: None; Control: Not applicable; Group: Parallel; Type: Single arm  
Countries of recruitment
The Netherlands
Contacts
Name: C.L.  Eckhardt
Address:  Meibergdreeg 9 1105 AZ Amsterdam The Netherlands
Telephone:
Email: C.L.Eckhardt@amc.uva.nl
Affiliation: 
Name: C.L.  Eckhardt
Address:  Meibergdreeg 9 1105 AZ Amsterdam The Netherlands
Telephone:
Email: C.L.Eckhardt@amc.uva.nl
Affiliation: 
Key inclusion & exclusion criteria
Inclusion criteria: 1. Mild hemophilia A, or;

2. Type 1 von Willebrand disease;

3. DDAVP response has been tested at least once before;

4. Age: 18 ? 60 years;

5. Male;

6. Written informed consent is given.

Exclusion criteria: 1. Moderate/Severe hemophilia A;

2. Type 2 or 3 von Willebrand diseas;

3. Clinical history of any other hemostatic or thrombotic disorder;

4. Allergy or contra-indication for Simvastatine or Minrin therapy;

5. Medical indication for statin therapy;

6. Co-enrolment in other clinical study in the last 3 months;

7. No previous DDAVP-test;

8. First relative (brother/sister) participating in this study.


Age minimum:
Age maximum:
Gender:
Health Condition(s) or Problem(s) studied
, Von Willebrand Disease, Hemophily A

Intervention(s)
Two DDAVP infusions will be performed. The first DDAVP test will take place prior to starting statin therapy and the second test will be performed after 6 weeks of statin therapy. During both tests blood samples will be taken until 32 hours after DDAVP infusion (in total 7 times per test). In each bloodsample e.g. vWF activity and F VIII activity will be determined.
Primary Outcome(s)
1. Von Willebrand factor antigen, von Willebrand factor activity and von Willebrand Factor propeptide plasma levels after DDAVP stimulation, during statin therapy;

2. Factor VIII activity and factor VIII antigen plasma levels after DDAVP stimulation, during statin therapy.
Secondary Outcome(s)
Von Willebrand factor multimers, ADAMTS13 and tPA plasmalevels after DDAVP stimulation during statin therapy.
Secondary ID(s)
2009-017060-17
Source(s) of Monetary Support
Academic Medical Center (AMC)
Secondary Sponsor(s)
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