Title {1}	Interleukin-6 Receptor Antibodies for Modulating the Systemic Inflammatory Response after Out-of-Hospital Cardiac Arrest (IMICA): study protocol for a double-blinded, placebo-controlled, single-center, randomized clinical trial
Trial registration {2a and 2b}.	ClinicalTrials.gov Identifier: NCT03863015 EudraCT: 2018-002686-19
Protocol version {3}	Version: 1.91 of November 1, 2019 (Minor updates to v. 1.9 of October 25, 2018)
Funding {4}	Hjertecenterets Forskningsudvalg (The Heart Center Research Council, Rigshospitalet): The cost of establishing the biobank. Hjerteforeningen (Danish Heart Foundation): Funding of salary for MASM in 1 year and funding of analysis of biomarkers from the biobank, the cost of personnel involved in the MR substudy, as well as covering costs for presentations of the study results at conferences. Region Hovedstadens Forskningsfond til sundhedsforskning, Denmark (Captial Region Research foundation): Salary for MASM NovoNordisk Foundation: JK is supported by an unrestricted grant from the NovoNordisk Foundation (grant NNF17OC0028706) for research in post-cardiac arrest management.
Author details {5a}	All authors: Dept. of Cardiology, The Heart Centre, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
Name and contact information for the trial sponsor {5b}	Trial sponsor-investigator: Christian Hassager, Professor, MD, DMSc Dept. of Cardiology, The Heart Centre, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark Email: Christian.hassager@regionh.dk
Role of sponsor {5c}	This is a sponsor-investigator-initiated study with no funding or involvement from pharmaceutical companies, and the sponsor-investigator maintains authority over all aspects of the trial including, design, management, interpretation of results, and publication.