SAN FRANCISCO, CA, and TORONTO, ON, Dec. 22, 2021 (GLOBE NEWSWIRE) — Claritas Pharmaceuticals, Inc. (TSX VENTURE: CLAS and OTC: KALTF) (the “Company” or “Claritas“) today announced that it will develop R-107 for the treatment of persistent pulmonary hypertension of the newborn (“PPHN”). […]