Clinical trials: Acquired Von Willebrand Disease
Heart Failure
Prevention of Hemorrhage After Implantation of Mechanical Circulatory Support
Main objective of the study is to demonstrate that a prophylactic treatment with VWF factor concentrate after implantation of continuous-flow left ventricular assist device (CF-LVAD) reduces the frequency of clinically…
- Trial name
- PHAM (NCT02488525)
- Testing
- Prophylactic treatment with Wilfactin
- Where
- France
- Volunteers
- 31 people
- Sponsor
- University Hospital, Lille
Von Willebrand Disease (VWD), Acquired Von Willebrand Disease
Endothelial Colony-Forming Cells in Patients With VWD, AVWS and Healthy Subjects
The goal of this observational study is to learn how endothelial colony-forming cells (ECFCs) behave in people with von Willebrand disease (VWD), acquired von Willebrand syndrome (AVWS), and in healthy individuals.
- Trial name
- ECFCs/2022 (NCT07358013)
- Testing
- Blood sample collection for VWF measurements in plasma, Blood sample collection for ECFC isolation and characterization, Genetic testing of VWF
- Where
- Italy
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Acquired Von Willebrand Disease Secondary to Severe Aortic Stenosis, Heye´s Syndrome
Severe Aortic Stenosis and Acquired Von Willebrand´s Disease: The Impact of Desmopressin in Valve-Replacement Surgery
Acquired Von Willebrand disease (type 2A) has been described in patients with severe aortic stenosis, the association of aortic stenosis and Digestive bleeding due to this phenomena has received the name of Heye´s syndrome.
- Conditions
- Acquired Von Willebrand Disease Secondary to Severe Aortic Stenosis, Heye´s Syndrome, Severe Aortic Stenosis
- Trial name
- NCT01994330
- Testing
- desmopressin
- Where
- Chile
- Volunteers
- 13 people
- Sponsor
- Pontificia Universidad Catolica de Chile
Perioperative Bleeding, Coagulopathy During Cardiac Surgery
Flow-Based Platelet Function Assessment Using Total Thrombus-Formation Analysis System (T-TAS) and Early Bleeding After Cardiac Surgery With Cardiopulmonary Bypass (CPB)
The goal of this observational study is to learn how flow-based platelet function measured with the Total Thrombus-formation Analysis System (T-TAS) relates to early postoperative bleeding in adults undergoing cardiac surgery…
- Conditions
- Perioperative Bleeding, Coagulopathy During Cardiac Surgery, Platelet Dysfunction, Cardiac Surgery
- Trial name
- TTAS-CPB (NCT07619261)
- Testing
- Total Thrombus-formation Analysis System (T-TAS)
- Volunteers
- 30 people
- Sponsor
- Hospital de la Santa creu i Sant Pau - Barcelona
Bleeding, Von Willebrand Disease
Acquired Von Willebrand Syndrome in Severe Aortic Stenosis
Patients with severe aortic stenosis often suffer from an acquired Von Willebrand syndrome by degeneration of the polymers during passage through the narrow valve leading to turbulences.
- Conditions
- Bleeding, Von Willebrand Disease, Aortic Stenosis
- Trial name
- NCT00805051
- Where
- Switzerland
- Volunteers
- 60 people
- Sponsor
- University Hospital, Basel, Switzerland
Alagille Syndrome, Pulmonary Artery Stenoses
Decreasing Hemorrhage Risk in Children With Alagille Syndrome
The goal of this interventional study is to test a hemostasis screening protocol and cardiac peri-procedural and post-operative hemostasis pathway to improving bleeding complications and improve patient survival for children with…
- Conditions
- Alagille Syndrome, Pulmonary Artery Stenoses, Acquired Von Willebrand Disease
- Trial name
- NCT05846854
- Testing
- Assessment for bleeding disorder with tailored post-operative care
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Stanford University
Heart Failure, Aortic Stenosis
Von Willebrand Factor As a Biological Sensor of Blood Flow in Percutaneous Cardiac Procedure
The WITAVI study was designed to explore the kinetic and associated outcome of Von Willebrand Factor-multimerizaton defects associated with devices in cardiovascular diseases.
- Trial name
- WiTAVi (NCT02628509)
- Testing
- cardiac devices
- Where
- France
- Volunteers
- 500 people
- Sponsor
- University Hospital, Lille
Acquired Thrombotic Thrombocytopenic Purpura
Study to Assess Efficacy and Safety of Anti-von Willebrand Factor (vWF) Nanobody in Patients With Acquired Thrombotic Thrombocytopenic Purpura (aTTP)
This study was a Phase II, single-blind, randomized, placebo-controlled trial to determine whether anti-vWF Nanobody is safe and effective as adjunctive treatment in patients with aTTP.
- Trial name
- TITAN (NCT01151423)
- Testing
- Caplacizumab
- Where
- 51 sites in United States, Australia and 11 more
- Volunteers
- 75 people
- Sponsor
- Ablynx, a Sanofi company
Von Willebrand Diseases
Frequency of Hemorrhages Associated With the Functional Anomalies of Willebrand Factor in Emergency Patients
ECMO has improved the outcome of heart or respiratory failure and carcinogenic shock and are increasingly used. However bleeding complications occurring in up to 50% of patients are poorly understood and worsen the overall…
- Trial name
- WITECMO-H (NCT03070912)
- Where
- 7 sites in France
- Volunteers
- 257 people
- Sponsor
- University Hospital, Lille
Acquired Von Willebrand Disease
Von Willebrand Factor Concentrate During ECMO Support
During treatments with extracorporeal circuits such as extracorporeal membrane oxygenation (ECMO) degradation of high molecular weight (HMW) of von Willebrand factor (vWF) multimers occur leading to an acquired von Willebrand…
- Trial name
- NCT03613584
- Testing
- Von Willebrand Factor, Saline Solution
- Where
- 2 sites in Austria
- Volunteers
- 68 people
- Sponsor
- Tirol Kiniken GmbH
Transcatheter Aortic Valve Replacement, Hemodynamic Monitoring
Assessment of Paravalvular Leak After TAVI by Hemodynamic Measurements and Cardiac MRI
Rationale: Transcatheter aortic valve implantation (TAVI) has become the standard therapy for elderly patients with high surgical risks.
- Conditions
- Transcatheter Aortic Valve Replacement, Hemodynamic Monitoring, Aortic Valve Insufficiency, Aortic Valve Stenosis
- Trial name
- APPOSE (NCT04281771)
- Testing
- cardiac MRI
- Where
- Netherlands
- Volunteers
- 92 people
- Sponsor
- Radboud University Medical Center