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Translabyrinthine acquisition of human adult cochlear tissue for molecular and cellular characterisation of the human cochlea

To study the human adult cochlea, in specific it's RNA and protein expression patterns and morphology.

Deep Brain Stimulation for MOtor symptoms in patients with Parkinson*s disease DEmentia (DBS- MODE)

The primary objective of the proposed research is to investigate in patients with PDD the efficacy of STN-DBS with best oral medical treatment (DBS-group) for disabling motor symptoms during off-drug phase compared to best oral medical treatment…

Melanoma Margins Trial-II: 1cm v 2cm Wide Surgical Excision Margins for AJCC Stage II Primary Cutaneous Melanoma (MelMarT-II)

This study will determine whether there is a difference in disease free survival for patients treated with either a 1cm excision margin or 2cm margin for clinical stage II (pT2b-pT4b) primary cutaneous melanoma (AJCC 8th edition, Table 1). The…

Grip on knee Osteoarthritis; DIstraction Versus Arthroplasty (GODIVA) for young knee osteoarthritis patients in regular care.

To determine whether KJD is non-inferior on patient reported effectiveness as compared to a KP (i.e. usual care) for relatively young patients with end-stage knee OA. For the substudy: the primary objective is to predict the benefit from knee…

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.

LIMited wEdge ResectIon for Colonic T1 cancer - a prospective multicenter cohort study

The aim of this study is to investigate the safety and efficacy of CAL-WR as primary and curative colon-preserving treatment for T1 colon cancer. Our primary endpoint is reduction of oncologic resections for low-risk T1 colon cancer. As secondary…

Personalized elective neck irradiation guided by sentinel lymph node biopsy in patients with squamous cell carcinoma of the oropharynx, larynx or hypopharynx with a clinically negative neck: (chemo)radiotherapy to the PRIMary tumor Only. The PRIMO study.

To compare safety and efficacy of treatment with sentinel lymph node biopsy guided elective neck irradiation versus standard elective neck irradiation in patients receiving definitive (chemo)radiotherapy for squamous cell carcinoma of the…

Sentinel node and organ sparing surgery in stage I colon carcinoma (SENTRY trial)

The aim of this study is to reduce the need for colectomy and its* associated morbidity and mortality in patients with high-risk pT1 or low-risk pT2 colon carcinoma after endoscopic polypectomy by performing a (robot-assisted) laparoscopic wedge…