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Note: This record shows only 22 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: ClinicalTrials.gov
Last refreshed on: 11 September 2023
Main ID:  NCT04119908
Date of registration: 07/10/2019
Prospective Registration: Yes
Primary sponsor: University Hospital, Lille
Public title: Videomicroscopy for the Prediction of Bleeding in Constitutional Haemorrhagic Diseases VIDEO-BLEED
Scientific title: Interest of Sublingual Videomicroscopy for the Prediction of Bleeding in Von Willebrand Disease and Other Constitutional Haemorrhagic Diseases
Date of first enrolment: May 24, 2023
Target sample size: 400
Recruitment status: Recruiting
URL:  https://clinicaltrials.gov/ct2/show/NCT04119908
Study type:  Interventional
Study design:  Allocation: Non-Randomized. Intervention model: Parallel Assignment. Primary purpose: Diagnostic. Masking: None (Open Label).  
Phase:  N/A
Countries of recruitment
France
Contacts
Name:     Antoine Rauch, MD,PhD
Address: 
Telephone:
Email:
Affiliation:  University Hospital, Lille
Name:     Antoine Rauch, MD
Address: 
Telephone:
Email:
Affiliation: 
Name:     Antoine Rauch, MD,PhD
Address: 
Telephone: 3 20445962 (poste 29673)
Email: antoine.rauch@chru-lille.fr
Affiliation: 
Key inclusion & exclusion criteria

Inclusion Criteria:

- Adult patient with a significant form of von Willebrand disease (according to the
inclusion criteria of the Willebrand Disease French Reference Center), a Glanzmann
Thrombasthenia, a moderate to severe Haemophilia A or a woman carrying the hemophilia
gene

- Social insured patient

Exclusion Criteria:

- Minor patient

- Refusal of consent

- Person benefiting from a system of legal protection

- Pregnant patient



Age minimum: 18 Years
Age maximum: N/A
Gender: All
Health Condition(s) or Problem(s) studied
Glanzmann Thrombasthenia
Von Willebrand Diseases
Intervention(s)
Biological: blood sample
Device: Sublingual videomicroscopy
Primary Outcome(s)
area under the ROC curve from Sublingual capillary density to inclusion for the event "existence of at least a clinically significant haemorrhage" [Time Frame: at 3 years]
Secondary Outcome(s)
delta of increase in plasma levels of all proangiogenic markers [Time Frame: At inclusion and end of study (at 3 years)]
plasma levels of proangiogenic markers [Time Frame: at inclusion and end-of-study visits(at 3 years)]
plasma levels of galectine [Time Frame: at inclusion and end-of-study visits(at 3 years)]
ISTH-BAT haemorrhagic score (International Society on Thrombosis and Hemostasis - Bleeding Assessment Tool) [Time Frame: At baseline, at 3 years]
delta of increase of ISTH-BAT haemorrhagic score [Time Frame: between inclusion and end of study (at 3 years)]
plasma levels of VEGF [Time Frame: at inclusion and end-of-study visits(at 3 years)]
Sublingual capillary density [Time Frame: At baseline]
delta of Sublingual capillary density increase [Time Frame: between inclusion and end of study (at 3 years)]
qualitative abnormalities of sublingual capillaries (capillary haemorrhage, capillary dystrophy) [Time Frame: At baseline and at 3 years]
Secondary ID(s)
2019-A01601-56
2019_05
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
Ethics review
Results
Results available:
Date Posted:
Date Completed:
URL:
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