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Adrenal vein sampling as a tool to identify biomarkers that aid the diagnosis of adrenocortical carcinoma

To detect differences between ACC patients and controls without ACC, and between the diseased and healthy adrenal gland of ACC patients, in microRNA (miRNA), circulating cell-free tumor DNA (ctDNA), circulating tumor cells (CTCs), and steroid…

TETRA-pilot: Testosterone in transgender women after vaginoplasty: a dose-finding and feasibility pilot study

The primary objectives are to establish dose-response relationship for 2% transdermal testosterone (Tostran®) gel to achieve total testosterone serum concentrations between 1.5-2.5 nmol/l in transgender women after vaginoplasty and to assess side…

Precision Radiotherapy using MR-linac for Pancreatic Neuroendocrine Tumours in MEN1 patients

This project aims to explore the efficacy and safety of radiotherapy for asymptomatic pNET using delivery of radiotherapy by MR-linac in Multiple Endocrine Neoplasia 1 (MEN1) patients.

Novel treatment of adrenal crisis: an early clinical trial with nebulized prednisolone

The aim of this study is to establish pharmacokinetic data on inhaled nebulized prednisolone: Time from start nebulizing to serum peak prednisolone concentration (Tmax) and prednisolone area under. We derive this pharmacokinetic data from two…

A study comparing the effect and safety of once weekly dosing of somapacitan with daily Norditropin® as well as evaluating long-term safety of somapacitan in a basket study design in children with short stature either born small for gestational age or with Turner syndrome, Noonan syndrome, or idiopathic short stature

This study has been transitioned to CTIS with ID 2023-506927-27-00 check the CTIS register for the current data. Primary objectiveThe primary objective of this study is to confirm non-inferiority of once-weekly somapacitan compared with once-daily…

Withdrawal of Tiratricol Treatment in Males with Monocarboxylate Transporter 8 Deficiency (MCT8 Deficiency): A Double-blind, Randomized, Placebo-controlled Study

This study has been transitioned to CTIS with ID 2024-516124-34-00 check the CTIS register for the current data. Primary Objective:• To evaluate the effects of withdrawal of tiratricol treatment (placebo group) on serum total triiodothyronine (T3)…

A Phase 2 Study to Evaluate the Efficacy and Safety of Belzutifan (MK-6482, formerly PT2977) Monotherapy in Participants with Advanced Pheochromocytoma/Paraganglioma (PPGL), Pancreatic Neuroendocrine Tumor (pNET), or von Hippel-Lindau (VHL) Disease-Associated Tumors, Advanced Gastrointestinal Stromal Tumor (wt GIST), or Advanced Solid Tumors With HIF-2α related Genetic Alterations

This study has been transitioned to CTIS with ID 2023-504853-11-00 check the CTIS register for the current data. To evaluate the ORR of belzutifan per RECIST 1.1 by blinded independent central review (BICR).

Improvement of laboratory diagnostics in hypothyroid patients using levothyroxine.

The aim of this study is to identify whether we can improve laboratory diagnostics in patients with hypothyroidism receiving thyroid hormone supplementation. We will investigate whether, in addition to the current laboratory tests of TSH and fT4,…

Hormonal (dys)function in cluster headache

To compare free testosterone levels between male CCH patients and healthy controls Secondary Objectives: To compare differences in androstenedione, DHEA, DHT and 11oxC19 level, testosterone/estrogen ratio, activin level, inhibin level and morning…

Prospective, single-centre, feasibility study to evaluate the use of 18F-PSMA PET/CT in patients with biochemically active medullary thyroid cancer.

Therefore, this feasibility study will evaluate whether the 18F-PSMA PET/CT is capable of MTC lesion detection. Moreover, we will compare its ability to detect MTC lesions with a routinely used PET scan, the 18F-FDG PET. By exploring new tracers in…

Changes in gut- and vaginal microbiome composition in association with PCOS clinical phenotypes

The main objectives of this study is to analyze differences in the gut and vaginal microbiome between healthy and PCOS women and investigate whether these differences correlate with PCOS characteristics. In addition, we want to look at a possible…

Biomarker identification of radionuclide therapy-induced radiation responses.

This is a pilot study to validate the possibility of determining the effect of PRRT with 177Lu-DOTATATE on transcriptional regulation and DNA damage induction in PBMCs and how this is related to the radiation dose.We will also want to explore if we…

Comparison of two methods to improve the outcome of a ultrasound assisted fine needle aspiration biopsy (FNAB) of the thyroid gland.

Primary objective: - obtain an comparison in diagnostic results of two methods of ultrasound assisted fine needle aspiration biopsies (FNAB) of the thyroidal gland in the Jeroen Bosch hospital (JBZ).Secondary objective:- can the cytological thyroid…