Title	Prehabilitation of elderly frail or pre-frail patients prior to elective surgery (PRÄP-GO): study protocol for a randomized, controlled, outcome assessor-blinded trial
Trial registration	ClinicalTrials.gov (NCT NCT04418271) Universal Trial Number (UTN): U1111-1253-4820
Protocol version	V1.1 from 13th of June 2020
Funding	Grant 01NVF18024 of the “Innovationsausschuss” of the German Federal Joint Committee (G-BA)
Author details	Stefan J Schaller1, Jörn Kiselev1, Verena Loidl2, Wilm Quentin3, Katrin Schmidt1, Rudolf Mörgeli1, Tanja Rombey3, Reinhard Busse3, Ulrich Mansmann2, Claudia Spies1 on behalf of the PRÄP-GO consortium and PRÄP-GO investigators Affiliations: 1 Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Anesthesiology and Operative Intensive Care Medicine (CVK/CCM), Berlin, Germany 2 Institute for Medical Information Processing, Biometry, and Epidemiology - IBE, Ludwig-Maximilians-Universität München, Munich, Germany3 Department of Health Care Management, Technische Universität Berlin, Berlin, Germany
Trial sponsor	Innovationsausschuss beim Gemeinsamen Bundesausschuss Gutenbergstraße 13, 10587 Berlin Postfach 12 06 06, 10596 Berlin E-mail: info@if.g-ba.de The German Federal Joint Committee is a legal entity under public law. Authorized representative: Prof. Josef Hecken Competent supervisory authority: German Federal Ministry of Health
Role of sponsor	G-BA is a public sponsor in Germany. The G-BA had no role in the study design; collection, management, analysis, interpretation, or reporting of the data; report preparation; or publication decisions.