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The development of a thirst provocation test using the AVP receptor antagonist Tolvaptan for quantification of thirst sensation in various patient groups (obese patients with and without a history of bariatric surgery, patients with congestive heart failure and patients with cranial diabetes insipidus as compared to healthy controls) and genotyping of the AVP receptor 2.

We aim to investigate thirst in the above mentioned patient groups, applying a Visual Analogue Scale (VAS) and, where ethically acceptable, a new thirst provocation test which we will develop in a group of healthy probands. Using these tools, we aim…

Hypothalamic dysfunction and sleep.

The aim of this study is to classify hyothalamic dysfunction in patients treated for pituitary tumors. The hypothalamic functions will be investigated in different studygroups, these groups each have a different risk on hypothalamic dysfunction.

Pituitary dysfunction after traumatic brain injury: a new challenge in neurotraumatology

Protocol 1: To determine whether pituitary dysfunction is present at intermediate duration of follow-up after traumatic brain injuryProtocol 2: To determine whether injury to brain tissue that explains traumatic brain injury-induced pituitary…

High-field MRI of the compression of the anterior visual pathway in pituitary adenoma

Primary Objectives: - Assess the feasibility and clinical value of 7T MR to provide a more detailed anatomic description of the anterior visual pathway in NFMA patients compared to conventional MRI. - Assess the feasibility of high-field MRI to…