Scientists said one of the main concerns was the lack of information about the countries, hospitals that contributed to the data for study, which was provided by Chicago-based healthcare data analytics firm Surgisphere Dozens of scientists have raised concerns over a large-scale study of hydroxychloroquine and chloroquine published in the Lancet that led to the World Health Organization suspending clinical trials of the anti-viral drugs as a potential treatment for COVID-19.
Hydroxychloroquine, normally used to treat arthritis, has become one of the most high profile drugs being tested for use against the new coronavirus.