– Completed enrollment of Phase 2 clinical trial of verekitug in patients with chronic rhinosinusitis with nasal polyps; top-line data expected in the second half of 2025 – – Completed upsized IPO with gross proceeds of approximately $293 million, extending runway through 2027 – WALTHAM, Mass., March 12, 2025 (GLOBE NEWSWIRE) -- Upstream Bio, Inc. (Nasdaq: UPB), a clinical-stage company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders, today reported fin ...