Digital silver lining seen in failed COVID-19 drug trial

A clinical trial in which two test drugs failed to help patients with mild COVID-19 nevertheless had a silver lining: It proved the viability of a study model in which a medication's potential arrhythmic side effects are safely, effectively monitored without the participants ever setting foot in a hospital or clinic.

source https://medicalxpress.com/news/2021-12-digital-silver-lining-covid-drug.html