Title {1}	Evaluating cochlear insertion trauma and hearing preservation after cochlear implantation (CIPRES): A study protocol for a randomised single blind controlled trial
Trial registration {2a and 2b}.	Netherlands Trial Register (www.trialregister.nl): NL8586
Protocol version {3}	Protocol Version 3, 02-01-2020
Funding {4}	Advanced Bionics funds this study in total by providing the funds for the PhD project of the main author (SJ) and funding of necessary laboratory material.
Author details {5a}	List of authors: -Saad Jwair12, s.jwair@umcutrecht.nl, corresponding author -Ralf A. Boerboom12 -Huib Versnel12 -Robert J. Stokroos12 -Hans G.X.M Thomeer12 1 Department of Otorhinolaryngology and Head & Neck Surgery, University Medical Center Utrecht, Utrecht University, P.O. Box 85500, 3508 GA, Utrecht, the Netherlands 2 UMC Utrecht Brain Center, Utrecht University, the Netherlands
Name and contact information for the trial sponsor {5b}	UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands, telephone number: 0031-887569476
Role of sponsor {5c}	The sponsor (UMC Utrecht) designs and executes the trial. The funding sources had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.