The publication of the study in "The Lancet" on hydroxychloroquine, May 22, had caused an uproar in the scientific community, about the method used.

Three of the four authors of the controversial study published in the Lancet on the use of hydroxychloroquine against the coronavirus asked for the withdrawal of the article, announced the review The Lancet Thursday evening.

Today, three of the authors have retracted "Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis" Read the Retraction notice and statement from The Lancet com / pB0FBj6EXr

- The Lancet (@TheLancet) June 4, 2020

Denial of access to the database

"We can no longer vouch for the veracity of the sources of the primary data", write the three authors to Lancet , questioning the refusal of the fourth, boss of the company having collected them, to give access to the database.