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1. Comorbidity and Aging with HIV. An observational study.
2. AGEhIV substudy nr 1

1A) To implement a screening-protocol for HIV related co-morbidities and their risk factors, based on multidisciplinary expert consultation, in a large HIV outpatient clinic and among an HIV-uninfected control group.1B) To assess the prevalence and…

Is, in infertile women undergoing a basic fertility work-up, tubal flushing with oil-based contrast medium during hysterosalpingography (HSG) cost-effective compared to tubal flushing by hysterosalpingo-foam sonography (HyFoSy)? A randomized controlled trial.

The main objective of this study is to determine whether tubal flushing with oil-based contrast during HSG results into more pregnancies leading to live births when compared to tubal flushing with ExEm-foam during HyFoSy, and whether this approach…

National study of inherited platelet function disorders in the Netherlands

Primary objective: to register and investigate Dutch patients suspect for an inherited platelet function disorder, to assess clinical presentation, bleeding score, treatment, burden of disease and quality of life. Secondary objectives: to…

COBRA re-KAI study: research into the immune response of COVID-19 revaccination after stem cell transplant or B-cel depleting immuno(chemo)therapy.

To answer the following questions: 1. Who are the patients that need to be revaccinated?2. How many vaccinations are needed to restore SARS-CoV-2 immunity?3. Can the number of vaccinations needed to restore SARS-CoV-2 immunity be predicted?To…

Understanding colchicine resistance in Familial Mediterranean Fever; exploring pathophysiological mechanisms and therapeutic options

The primary objective is to identify what causes colchicine resistance in FMF. Additionally, we will try to identify potential interventions to overcome resistance