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Study of the immune system of children with neuroblastoma

We aim to identify immunological parameters during (immune)therapy. We will study the effect of (immune)therapy on generic immune mediators and more specifically for NK cell, T effector and Treg cell functionality. Furthermore, we will explore DNX…

Autonomous Blood Drawing Optimization and Performance Testing

This study has several objectives, in different (subsequent) study phases:• A1. Optimize and validate the technology of the VD to reach non-inferiority• B1. Demonstrate non-inferior performance and safety of the VD, for CE marking• B2. Demonstrate…

DNA methylation profiling of gynaecological cancers and endometriosis

1. To study the possibility to detect gynaecological malignancies and endometriosis in vaginal self-swabs, Pap smears and blood of women with gynaecological cancer or endometriosis, using MeD-seq and MeD-scan assays, in order to develop…

A prospective evaluation of pancreatic cyst surveillance, based on the consensus statement, formulated by the European study group on cystic tumours of the pancreas

First, to establish the yield of the currently propagated pancreatic cyst surveillance program, and second, to identify possible alternative surveillance strategies, which might be more (cost) effective.

The prospective data collection initiative on on small bowel, colorectal and anal cancer - a prospective observational cohort study.

The main objectives of this project are:- To start a prospective observational cohort study of patients who have been diagnosed with CRC, small bowel and anal cancer and follow them from time of diagnosis until death.- To prospectively collect data…

Longitudinal Leiden Orthopaedics Outcomes of OsteoArthritis Study

Given the above mentioned gaps in knowledge, the aim of this project is to1) Describe the midterm and long-term outcomes of (primary and revision) total hip, total knee and shoulder replacement surgery in terms of health status as a whole,…

Changes in body composition, dietary intake, and physical activity in children with cancer - a master protocol

The overarching objective of this master protocol is to study the risk factors (personal, clinical and lifestyle factors) for-, and consequences of- , changes of nutritional status (both over- and undernutrition) in children with cancer. Based on…

Bifurcation PCI with a hybrid strategy with drug eluting balloons versus a stepwise provisional two-stent strategy. A randomized controlled single-blinded multicentre trial and registry

In this study we will compare a hybrid DEB strategy with a conventional bailout 2-stent strategy (TAP/T-stenting or Culotte) in patients with a bifurcation lesion with sub-optimal side-branch result. The primary endpoint will be the composite…

Pharmacokinetics of cytostatic agents and tyrosine kinase inhibitors in pediatric oncology

To assess the pharmacokinetics of various cytotoxic agents (carboplatin, cisplatin, cytarabine, dactinomycin, daunorubicin, dinutuximab bèta, doxorubicin, etoposide, methotrexate, vincristine or thiotepa) and kinase inhibitors (ALK, RAS pathway,…

The safety and cost-effectiveness of discontinuing disease-modifying therapies in stable relapsing-onset multiple sclerosis (DOT-MS): a randomized rater-blinded multicenter trial.

The aim of this study is to identify whether it is possible to safely discontinue treatment in stable RRMS patients who have shown no evidence of active inflammation in the years prior to inclusion in terms of the return of inflammatory disease…