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This is a website for the clinical trial Calcium for Out-of-Hospital Cardiac Arrest: A Randomized, Double-Blind, Placebo-Controlled Trial (COCA). The information on this site is targeted healthcare providers. If you are a patient or a relative seeking information, please see the menu Dansk Information (Danish information). Please use the contact information below if there are any comments or questions.


  • Trial results will be presented on November 30, 2021 at 19.30 UTC +0 (Danish time 20.30 UTC +1) in cooperation with Critical Care Reviews. Livestream can be accessed through the Critical Care Review-website about 30 minutes before start of livestream.

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