While cities across the country have lifted COVID-19 restrictions and public gatherings have returned, the lack of effective treatments for people who develop severe reactions to the virus continues to pose a public health problem. The situation is acute in less developed nations where vaccination levels are low, and hospitals continue to be overrun with patients. Researchers at Mount Sinai earlier this year reported in the journal Cell that a widely available and inexpensive drug targeting inflammatory genes has reduced morbidity and mortality in mice infected with the virus that causes COVID-19. The drug, topotecan, is now in clinical trials in India as a potential treatment for patients who suffer from a hyper-inflammatory response to the virus. We spoke to Ivan Marazzi, senior author of the study and an associate professor of microbiology at the Icahn School of Medicine at Mount Sinai, about topotecan, what makes it compelling as a potential treatment for COVID-19, and why it may be well suited for treating people with the condition across the globe.