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Neuropsychological assessment in X-linked adrenoleukodystrophy

The primary objective is to assess neuropsychological function in X-ALD patients without active cerebral demyelinating disease. Data of minors will be compared to matched healthy controls. Data of adults will be compared to reference values. The…

Assessment and pharmacological correction of abnormalities in chloride (Cl-), bicarbonate (HCO3-) and mucus transport in rectal biopsies of CF patients

We aim to fill up the present gap in knowledge about HCO3- and mucus transport in native human intestine, and about possible effects of pharmacological correctors on these parameters in CF, by detailed electrophysiological and biochemical ex vivo…

[LONGPDE10] Follow-up measurement of brain phosphodiesterase 10 A (PDE10A) enzyme levels in Huntington*s disease gene expansion carriers, 18 to 28 months after initial PET measurement in CHDIKI1201/PET-HD-PDE10A

The primary objective is to measure the longitudinal changes of PDE10A enzyme availability in the caudate, putamen, and globus pallidus of Huntington*s Disease Gene Expansion Carrier (HDGECs) by comparison of the follow-up and initial Positron…

Dietary treatment of children with Angelman Syndrome and refractory epilepsy

Primary objective: - 50% seizure reduction or more at 3 months of dietary treatment .Secondary objectives: -level of ketosis on KD and MAD.-number of patients maintaining >50% seizure reduction on MAD.-number of withdrawals (not able to…

A phase IIa, open-label study of two doses of GLPG1837 in subjects with cystic fibrosis and the S1251N mutation

Primary Objectives*To evaluate the safety and tolerability of multiple oral doses of GLPG1837 in subjects with CF and at least one copy of the S1251N mutation.Secondary Objectives*To assess changes in sweat chloride from baseline (Day 1) as the…

A comparative phase2 study assessing the efficacy of triheptanoin, an anaplerotic therapy in Huntington's Disease (HD)

The primary objective of TRIHEP 3 is to evaluate the efficacy of triheptanoin in (i) increasing the short term energy response in the metabolic profile of the brain of early affected HD patients, as captured by 31P-MRS, and (ii) slowing atrophy in…

Optical coherence tomography in non-syndromic craniosynostosis patients

The primary objective is to obtain OCT data for children aged 4 to 10 diagnosed with non-syndromic craniosynostosis and to compare these to the normal reference values.

MRKH syndrome caused by Intrauterine Placental Transfusion between sex-discordant twins?

The aim of this study is to determine whether male microchimerism is present in patients with MRKH syndrome. This would be a sign of intrauterine cell trafficking - and possible AMH transfer- from male to female co-twin. This placental blood…

Intranasal administration of oxytocin in children with Prader-Willi Syndrome. A randomized, open-label, cross-over trial of different treatment regimens of oxytocin administration. Effects on eating behaviour and social behaviour.

To evaluate the effects of long-term intranasal oxytocin on social behaviour in children with PWS and to compare the effects of different doses and frequencies of oxytocin administration

Multi-center, Randomized, Open-label, Parallel-arm, Single-dose, Pharmacokinetic Study of rVIIa-FP (CSL689) in Subjects with Congenital Factor VII Deficiency

- to evaluate the FVIIa activity PK of 2 CSL689 dose levels in subjects with congenital FVII deficiency- to determine the PK characteristics of FVIIa activity of CSL689- to evaluate the safety and tolerability of intravenous administration of CSL689

A Phase I/II Open Label Study in MPS IIIB Subjects to Investigate the Safety, Biodistribution, Pharmacokinetics, and Pharmacodynamics/Efficacy of SBC-103 Administered Intravenously

To evaluate the safety and tolerability of IV administration of SBC-103 in subjects with MPS lllB, Sanfilippo B.

National observational study to monitor the new guideline concerning treatment of atypical hemolytic uremic syndrome

Monitoring and evaluation of the Dutch guideline for treatment of aHUS in children and adults during two years.

A Multi-Center, Open-Label Study Evaluating the Safety, Tolerability, and
Efficacy of Pridopidine in Patients with Huntington's Disease

Primary Objective: The primary objective of this study is to evaluate safety and tolerability of pridopidine in patients with HD.Secondary Objectives: The secondary objectives of the study are to assess the effects of long-term, open-label dosing…

CoDeLaGe
A translational cohort study on self-injurious behaviour in people with Cornelia de Lange Syndrome

PrimaryEffective treatment regimes and preventive tools of SIB in CdLS by studying phenomenology, etiology and pathogenesis.Secondary a. Development of a flow chart for daily care (diagnostics; management) b. Evaluation whether the present study can…

A Double-Blind, Placebo-Controlled, Dose-Escalating, Phase 1 Study to Determine the Safety, Tolerability, Pharmacokinetics and Effect on Circulating Alpha-1 Antitrypsin Levels of ARC-AAT in Healthy Volunteer Subjects and in Patients with Alpha-1 Antitrypsin Deficiency (AATD)

The primary objective of the study is Study to determine the Safety, Tolerability, Pharmacokinetics and Effect on Circulating Alpha-1 Antitrypsin Levels of ARC-AAT in Patients with Alpha-1 Antitrypsin Deficiency (AATD)

APC & Behaviour

The above anounced studies suggest that some abnormalities in the Wnt pathway can be expected to affect development and function of the brain, potentially leading to recognizable behavioural phenotypes. Given the key role of APC in the Wnt pathway,…

Spinal Muscular Atrophy, SMN protein and Genetics; A population based study on spinal muscular atrophy in the Netherlands to explore the prevalence of SMA type 1-4 and their severity in the Netherlands by registrating all patients in a so called SMA-database, to elucidate the genetic factors determining disease severity and to determine the value of SMN protein concentrations as a surrogate marker for clinical trials.

The main objective of this prospective population-based study of patients with proximal SMA in the Netherlands is to register SMA patients in the Netherlands in a socalled SMA-database to study prevalence and severity of SMA types 1-4, to perform…

Small bowel surveillance in patients with Peutz-Jeghers syndrome: comparing MR enteroclysis with double balloon enteroscopy.

The aim of this prospective study is 1) to evaluate the diagnostic efficacy of DBE in comparison to MRE as surveillance technique of the small-bowel in PJS patients, 2) to analyze patient burden and quality of life with DBE and MRE, and 3) to…

Genomics of Persistent ADHD

To investigate the underpinnings of ADHD and its persistence into adulthood: Through studying genetic factors, in combination with genomic, microbiome, cell-based, neuroimaging, neuropsychological and psychiatric assessment we aim to gain more…

Determination whether the lack of functional AQP2 in kidneys of patients suffering from nephrogenic diabetes insipidus induces cyst formation

Does the lack of the Aquaporin-2 water channel cause cyst formation in patients suffering from nephrogenic diabetes insipidus?