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Peroperatieve researchstudy with de ROTEM machine to hemostase of patients during aorta abdominalis aneurysm operation.

Objective of the study:Investigating with use of the classical coagulation tests on one hand and with the ROTEM on the other hand what is exactly becoming disturbed in the coagulaton because of bleeding during surgery of the aorta abdominalis,…

Study 200170: A Rollover Study to Provide Continued Treatment with Eltrombopag

To provide continuing treatment with eltrombopag for subjects who are currently participating in a GSK sponsored investigational study of eltrombopag (parent study) and to collect long term safety data.

Immune Tolerance Induction study in patients with severe type A haemophilia
with inhibitor after failure of a previous induction of immune tolerance with
FVIII concentrates without Von Willebrand factor. (RESIST-EXPERIENCED)

Evaluate whether FVIII/VWF concentrates successfully induce immune tolerance in patients who have already experienced and failed immune tolerance induction with VWF-free FVIII concentrates.

Characterization of the immuno-modulatory effects of Tecfidera in multiple sclerosis patients: exploration of drug mechanism and methodological feasibility.

The main purpose of the study is to assess immune cell dynamics in Tecfidera-treated MS patients and untreated healthy subjects, and to explore whether differences in immune cell dynamics exist between both populations. The data generated in this…

Phase IV, one-day, single blood sampling study to investigate severe thrombocytopenia and autoimmune diseases in psoriasis subjects previously treated with Raptiva (efalizumab) in the framework of the European Observational Safety Study 25878 (CLEAREST).

PrimaryTo assess the prevalence of anti-efalizumab positivity in two sub-populations of psoriatic subjects trated with Raptiva® in the framework of the CLEARESTTM study:- Subjects developing adverse events (AEs) corresponding to pre-specified newly…

Inhibition of platelet activation by clopidogrel in type II diabetes mellitus patients

The objective of the study is to gain new insights in the causes of a higher clopidogrel resistence in type II diabetes mellitus patients

The magnitude of platelet inhibition and the pharmacokinetics of a 600 mg loading dose of clopidogrel, in different patient categories (stable angina versus acute-coronary syndromes versus ST-elevated myocardial infarction).

The primary aim of this MAPCAT-study is to investigate whether pharmacokinetics of clopidogrel differ significantly betwen different clinical scenarios. A second aim is to study specifically whether genetic polymorfisms influence these…

An Open-Label Study of the Safety and Efficacy of ReFacto AF in Previously Untreated Patients in Usual Care Settings

The primary objective is to evaluate the safety of ReFacto AF in previously untreated patients (no prior exposure to factor products or any blood products) of less than 6 years of age.

VON WILLEBRAND DISEASE PROPHYLAXIS NETWORK (vWD PN)
The VWD International Prophylaxis (VIP) Study

The objectives are to:A. Identify subjects with VWD who may benefit from prophylaxis by determining patterns of bleeding prior to evaluation for enrollmentB. Study the effect of prophylaxis on bleeding frequencyC. Establish optimal treatment…

Randomised trial to investigate possible differences in biological availability and effectiveness between vitamin K solution in oil and vitamin K tablets.

1. Determining whether or not the vitamin K tablets have the same biological availability in humans as the vitamin K solution has.2. Determining whether or not the vitamin K tablets are as effective as the vitamin K solution is.

Effects of low-dose aspirin taken at bedtime vs. on awakening on circadian rhythm of platelet function in healthy subjects

To study the effect of 80 mg aspirin intake at bedtime compared with 80 mg aspirin intake on awakening on circadian rhythm of platelet function in healthy subjects.

Desmopressin and FVIII concentrate combination treatment in non-severe hemophilia A patients undergoing minor interventions

To show a reduction in FVIII-concentrate consumption with perioperative desmopressin and FVIII concentrate combination treatment compared to FVIII concentrate monotherapy, without decreasing the effectivity of treatment.

Dabigatran trough levels in elderly patients: are these increased, and to what extent? A pilot study.

Objective of the study is to measure dabigatran trough levels, percentage of dabigatran glucuronidation, and diluted thrombin time, to test whether these levels are different in elderly patients.

Advanced diagnostic management of suspected recurrent ipsilateral deep vein thrombosis of the leg with magnetic resonance direct thrombus imaging - The Theia study

The primary objective of the study is to assess the safety of a normal MRDTI to rule out acute, recurrent ipsilateral proximal DVT in a prospective, multicenter, single-arm management (cohort) study.Secondary objectives are:1.To evaluate the safety…

More precise dosing of acenocoumarol in patients aged 80 and above, a pilot study

The main objective is to collect data on effect size for, and determine the feasibility of, a full scale RCT to assess the effect of dosing per 0.5 mg acenocoumarol on quality of anticoagulation, treatment satisfaction, and medication errors.

Multicenter randomized controlled trial comparing Ferric(III)carboxymaltose infusion with oral iron suppletion in the treatment of perioperative anemia in patients with a colorectal carcinoma.

The aim of this trial is to investigate which treatment option is superior in the treatment of anemia in patients undergoing surgery in terms of hemoglobin increase, postoperative morbidity, amount of bloodtransfusions needed, length of stay,…

The efficacy of intermittent versus daily oral iron supplementation in anaemic pregnant women.

To compare the efficacy, side effects and therapy compliance of intermittent (three times a week) versus daily oral iron supplementation for anaemia in pregnancy attributed to iron deficiency.

SARS-CoV-2 vaccination response in patients with haematological
disease

3.2.1 Primary objectivesTo assess the efficacy in terms of Anti-SARS-COV-2 RBD antibody responses in patients diagnosed with and/or under treatment for a hematological disorder to SARS-CoV-2 vaccination.3.2.2 Secondary objectives 1. What is the…

What is the optimal antithrombotic strategy in patients presenting with acute coronary syndrome having atrial fibrillation with indication for anticoagulants?

1. To investigate the efficacy of dual therapy (omitting acetylsalicylic acid) compared to triple therapy in patients with atrial fibrillation and acute coronary syndrome.2. To investigate the safety of dual therapy (omitting acetylsalicylic acid)…

Patient-guided dose reduction of tyrosine kinase inhibitors in chronic myeloid leukaemia (RODEO): a prospective, multicentre, single-arm study

Primary: To assess the proportion of patients with intervention failure at 12 months after dose reduction, defined as patients who have restarted their initial dose due to (expected) loss of major molecular response.