Healthcare Hydroxychloroquine and COVID-19: Can we go back to science? Updated : May 28, 2020 06:20 AM IST Chloroquine has been touted as "The" drug to cure various diseases., however, when used on humans as part of clinical trials, the drug failed to show any benefits. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.