CONTINT: Continuous versus interrupted abdominal wall closure after emergency midline laparotomy
Dösak pN1: Effectiveness of adjuvant radiotherapy in patients with oropharyngeal and floor of mouth squamous cell carcinoma and concomitant histological verification of singular ipsilateral cervical lymph node metastasis (pN1)
GAST 05: Open, prospective randomized controlled multicenter phase II trial: Therapy of cUICC stage II/III rectal cancer of the upper third (12 - 16 cm above the anocutanous verge) by quality controlled total- versus partial mesorectal excision, followed by adjuvant chemotherapy
NEUROS: Continuous intraoperative monitoring of pelvic autonomic nerves during mesorectal excision to prevent urogenital dysfunction in rectal cancer patients
Perfusionsstudie: Prospective randomised multicentre trial investigating liver preservation with Histidine-Tryptophan-Ketoglutarate (HTK) by simple aortic perfusion in comparison to aortic perfusion plus ex situ arterial flushing
SYNCHRONOUS: Resection of the primary tumor versus no resection prior to systemic therapy in patients with colon cancer and synchronous unresectable metastases (UICC stage IV) - A randomized controlled multicenter trial (SYNCHRONOUS-Trial)