COVID-19 Clinical Trial
Official title:
Chemoprophylaxis of SARS-CoV-2 Infection (COVID-19) in Exposed Healthcare Workers : A Randomized Double-blind Placebo-controlled Clinical Trial
Since December 2019, the emergence of a new coronavirus named SARS-Cov-2 in the city of Wuhan in China has been responsible for a major epidemic of respiratory infections, including severe pneumonia. Within weeks, COVID-19 became a pandemic. In the absence of specific antiviral treatment, a special attention should be given to prevention. Personal protection equipments may be insufficiently protective, including in healthcare workers, a significant proportion of whom (around 4%) having been infected in the outbreaks described in China and more recently in Italy. Infection in healthcare workers could result from the contact with COVID-19 people in community or with infected colleagues or patients. As it will take at least a year before vaccines against SARS-CoV-2 becomes available, chemoprophylaxis is an option that should be considered in this setting where prevention of SARS-CoV-2 infection in Health Care Workers. The COVIDAXIS trial evaluates a chemoprophylaxis of SARS-CoV-2 infection in Health Care Workers. This trial is divided into two distinct studies that could start independently each with its own randomization process: COVIDAXIS 1 will study Hydroxychloroquine (HCQ) versus placebo; COVIDAXIS 2 will study Lopinavir/ritonavir (LPV/r) versus placebo. Upon randomization healthcare workers (HCWs) involved in the management of suspected or confirmed COVID-19 cases will be assigned to one of the following 2 treatment groups:
The study COVIDAXIS 1(Hydroxychloroquine (HCQ) versus placebo) will be realized on 600 participants and will be implemented first in as many centers as possible. Upon randomization, with 1:1 allocation ratio, healthcare workers involved in the management of suspected or confirmed COVID-19 cases will be assigned to one of the following 2 treatment groups: - Group 1.1: HCQ 200 mg : 2 tablets on the evening at Day 1 and 2 tablets on the morning at Day 2 and 1 tablet once daily afterwards - Group 1.2: Placebo of HCQ, 2 tablets on the evening at Day 1 and 2 tablets on the morning at Day 2 and 1 tablet once daily afterwards. The COVIDAXIS 2 (Lopinavir/ritonavir (LPV/r) versus placebo will be realized on 600 participants and will be implemented in already participating and newer centers in a second step (when LPV/r becomes available). Upon randomization, with 1:1 allocation ratio, healthcare workers involved in the management of suspected or confirmed COVID-19 cases will be assigned to one of the following 2 treatment groups: - Group 2.1: LPV/r 200/50 mg : 2 tablets twice daily - Group 2.2: Placebo of LPV/r, 2 tablets twice daily Participants will receive the randomized treatment for 2 months and will be followed upon a 2.5 months period. NB: there is no randomization procedure for participant inclusion in either COVIDAXIS 1 or COVIDAXIS 2 ;
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