The mutagenic potential of hydroxychloroquine has not been evaluated. However, chloroquine has been shown to be a catalytic inhibitor of DNA repair enzymes (topoisomerase II) and to produce weak ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Hydroxychloroquine (HCQ) does not help clear the SARS-CoV-2 virus or relieve symptoms for COVID-19 ...

Current use of hydroxychloroquine is associated with a lower risk for myocardial infarction (MI), stroke, and other thromboembolic events in patients with systemic lupus erythematosus (SLE). This ...

This week marks five years since March 13, 2020, the day President Donald Trump declared a national state of emergency over the novel coronavirus outbreak. The White House issued The President's ...

Circulating tumor cell (CTC) expression patterns of cell surface targets in metastatic prostate cancer. This is an ASCO Meeting Abstract from the 2025 ASCO Genitourinary Cancers Symposium. This ...

A study led by investigators from Johns Hopkins Medicine found that some patients with discoid lupus erythematosus - a form of skin lupus commonly diagnosed in young to middle-aged Black women that ...

As COVID-19 surged across the US starting in 2020, so too did the use of repurposed medications such as hydroxychloroquine and ivermectin to treat COVID-19 infections. Use of these medications ...