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Hearing preservation in cochlear implantation surgery

Comparison of hearing preservation and outcome of two fundamentally different cochlear implants designs (LW or PM) and the two most used surgical approaches (RW or CO). Secondly, asses the structure preservation (i.e., scalar position) of each…

The DRAIHA study: Data Registry of AutoImmune Hemolytic Anemia, to improve diagnostic testing for the development of personalized treatment protocols in AIHA patients

Primary objective1. The primary aim of the study is to answer the question whether specification of a positive direct antiglobulin test and/or red blood cell autoantibody specification is correlated with the clinical course in patients with AIHA.…

Language impairment in the 22q11 deletion syndrome

The first objective of this study is to provide a detailed, quantitative and qualitative description of early language development (*developmental language profile*) in children with 22q11DS, comprising expressive and receptive abilities, covering…

Utrecht COhort for Lung cancer Outcome Reporting and trial inclusion (U-COLOR)

1) To collect information on patient characteristics, short- and long-term clinical and patient-reported outcomes; and 2) to create an infrastructure for efficient, fast, and pragmatic randomized evaluation of new interventions.

Study on Prognosis of Acutely Ruptured intracranial Aneurysms

The goal of this study is to investigate which treatment(-s) lead to the best outcome by using existing variation of practice.

TUbectomy with delayed oophorectomy as alternative for risk-reducing salpingo-oophorectomy in BrcA-Women to assess the Safety of Prevention: the TUBA-WISP II study

To evaluate RRS with delayed RRO as an alternative for RRSO in BRCA1/2 gene germline mutation carriers. We hypothesize that RRS with delayed RRO leads to an equal ovarian cancer incidence when compared to RRSO.