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BMC Surg. 2018 Oct 29;18(1):90. doi: 10.1186/s12893-018-0422-3.

Prospective multicentre cohort study of patient-reported outcomes and complications following major abdominal neoplastic surgery (PATRONUS) - study protocol for a CHIR-Net student-initiated German medical audit study (CHIR-Net SIGMA study).

Author information

1
University of Heidelberg, Faculty of Medicine, Im Neuenheimer Feld 346, 69120, Heidelberg, Germany.
2
Institute of Medical Biometry and Informatics, University of Heidelberg, Im Neuenheimer Feld 130.3, 69120, Heidelberg, Germany.
3
CHIR-Net Coordination Centre at the Study Centre of the German Surgical Society (SDGC), University Hospital Heidelberg, Im Neuenheimer Feld 130.3, 69120, Heidelberg, Germany.
4
Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Im Neuenheimer Feld 110, 69120, Heidelberg, Germany.
5
Department of Surgery, Campus Virchow-Klinikum, Charité, Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.
6
Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Im Neuenheimer Feld 110, 69120, Heidelberg, Germany. mihaljevic@uni-heidelberg.de.

Abstract

BACKGROUND:

One of the most important aspects of designing a clinical trial is selecting appropriate outcomes. Patient-reported outcomes (PROs) can provide a personal assessment of the burden and impact of a malignant disease and its treatment. PROs comprise a wide range of outcomes including basic clinical symptom scores and complex metrics such as health-related quality of life (HRQoL). There is limited data on how postoperative complications following cancer surgery affect symptoms and HRQoL. For this reason the primary aim of the PATRONUS study is to investigate how perioperative complications affect cancer-related symptoms and HRQoL in patients undergoing abdominal cancer surgery. The PATRONUS study is designed and will be initiated and conducted by medical students under the direct supervision of clinician scientists based on the concept of inquiry-based learning.

METHODS:

PATRONUS is a non-interventional prospective multicentre cohort study. Patients undergoing elective oncological abdominal surgery will be recruited at regional centres of the clinical network of the German Surgical Society (CHIR-Net) and associated hospitals. A core set of 12 cancer associated symptoms will be assessed via the PRO version of the Common Terminology Criteria for Adverse Events. The cancer-specific HRQoL will be measured via the computerised adaptive testing version of the European Organisation for Research and Treatment of Cancer (EORTC) QLQ-C30. PROs will be measured eight times over a period of six months. The short-term clinical outcome measure is the rate of postoperative complications (grade II to V) within 30 days according to the Clavien-Dindo classification. The long-term clinical outcome is overall survival within six months postoperative.

DISCUSSION:

PATRONUS will provide essential insights into the patients' assessment of their well-being and quality of life in direct relation to clinical outcome parameters following abdominal cancer surgery. Furthermore, PATRONUS will investigate the feasibility of multicentre student-led clinical research.

TRIAL REGISTRATION:

German Clinical Trials Register: DRKS00013035 (registered on October 26, 2017). Universal Trial Number (UTN): U1111-1202-8863.

KEYWORDS:

CHIR-Net; Digestive system surgical procedures; General surgery; Neoplasms; Patient-reported outcome measures; Postoperative complications; Quality of life; SIGMA

PMID:
30373596
PMCID:
PMC6206710
DOI:
10.1186/s12893-018-0422-3
[Indexed for MEDLINE]
Free PMC Article

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