Table 1.

Chronology of key dates of the Prevent Senior study

Event	Date
Bolsonaro announces that positive results of research with HQC and AZT in the treatment of Covid‐19 would be released soon	March 25, 2020
Data collection period according to the Prevent article	March 26 to April 4, 2020
Submission of research to CONEP	April 6, 2020
Approval of the study by CONEP	April 14, 2020
Registration of the study on ClinicalTrials.gov	13 April 2020
Publication of study results by Prevent	17 april 2020
Cancellation of the study by CONEP	20 april 2020
Changes in the ClinicalTrials.gov records	21 april 2020
Period of data collection as registered in CONEP	April 06 to June 28, 2020
Data collection period as registered in ClinicalTrials.gov	April 20 to July 31, 2020

Source: Produced by the authors, 2022.