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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)…

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,…

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…

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…