Rigel Pharmaceuticals, Inc. (Nasdaq: RIGL), today announced that fostamatinib, the Company's novel oral spleen tyrosine kinase (SYK) inhibitor, has been selected for a National Institutes of Health ACTIV-4 trial in hospitalized patients with COVID-19.
The US National Institutes of Health (NIH) has initiated the last of three Phase III clinical trials of blood thinners (anticoagulant) to prevent life-threatening blood clots in adults with Covid-19.