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Upstream Bio Presents Additional Analyses from the Phase 2 VIBRANT Trial of Verekitug in Chronic Rhinosinusitis with Nasal Polyps at 2026 AAAAI Annual Meeting

Upstream Bio, Inc. (UPB) 
Company Research Source: GlobeNewswire
– Primary endpoint of endoscopic nasal polyp score (NPS) showed reduction of -1.95 (p in new analysis with adjustment for concomitant rescue therapy use – – Secondary endpoints also provided strong efficacy data in new analyses, including reduction in nasal congestion score (NCS) by -0.96 (p – WALTHAM, Mass., March 01, 2026 (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 presented additional data from the Phase 2 VIBRANT clinical trial evaluating verekitug in participants with chronic rhinosinusitis with nasal polyps (CRSwNP). The additional analyses incorporated a worst-observation carried-forward (WOCF) statistical approach to adjust for concomitant rescue therapy use, including nasal polyp surgery, systemic corticosteroids, or escalation of background treatments. The data support previously reported positive top-line results and were presen Show less Read more
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