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COVID-19: Participate in research

Catco. Canadian Treatments for COVID-19

CIHR. Canadian Institute of Health Research.
World Health Organization
Sunnybrook Research Institute logo.
UBC logo.


Canadian Treatments for COVID-19 (CATCO)

CATCO is a multi-centre adaptive, randomized, open-label, controlled clinical trial being conducted in conjunction with the World Health Organization’s (WHO) SOLIDARITY trial, in collaboration with countries around the world.

The purpose of the study is to investigate the safety and efficacy of different medications compared to standard of care in improving mortality of patients hospitalized with COVID-19.

National principal investigator: Dr. Srinivas Murthy, University of British Columbia

Provincial (Ontario) and Sunnybrook Hospital principal investigator: Dr. Rob Fowler

You may be eligible to participate if you:

  • Are 18 years of age or older
  • Have a laboratory confirmed COVID-19 infection
  • Are hospitalized at a participating study site

Participants will:

  • Be randomized to one of the treatment groups, while hospitalized
  • Have blood work collected during the study
  • Be followed-up with periodically for 2 months; some follow-ups may occur over the phone after you are discharged from hospital

If you are admitted to Sunnybrook Hospital and interested in participating in this trial or want to learn more information, please talk to your doctor at Sunnybrook Hospital about the CATCO trial.