Apogee Therapeutics Announces Positive Interim Results from Phase 1b Trial of Zumilokibart (APG777), its Potentially Best-in-Class Anti-IL-13 Antibody, in Patients with Mild-to-Moderate Asthma and Highlights 2026 Anticipated Milestones and Outlook

Core Insights - Apogee Therapeutics announced positive interim results from the Phase 1b trial of zumilokibart (APG777) in patients with mild-to-moderate asthma, demonstrating rapid and durable suppression of FeNO, a key biomarker of Type 2 inflammation [3][5][6] - The company aims to advance zumilokibart in asthma and atopic dermatitis, with significant milestones expected in 2026, including the initiation of Phase 3 trials [4][8] Phase 1b Trial Results - The Phase 1b trial involved 19 adult patients with mild-to-moderate asthma, showing a maximum absolute mean FeNO reduction of 45 ppb, representing a 60% decrease from baseline after a single dose of 720 mg of zumilokibart [5][6] - The treatment exhibited a favorable safety profile, with no serious adverse events reported and only two patients experiencing gastroesophageal reflux disease [6][7] Future Development Plans - Zumilokibart is advancing in Phase 2 APEX trials for atopic dermatitis, with Part A maintenance data readout expected in Q1 2026 and Part B induction data readout on track for Q2 2026 [8][10] - The company has a strong cash position of $913 million, providing a runway into the second half of 2028, supporting the potential launch of zumilokibart in 2029 [8][10] Market Potential - Apogee aims to establish a best-in-class profile for zumilokibart in the atopic dermatitis market, projected to exceed $50 billion, while also expanding its indications for other inflammatory and immunology diseases [8][10] - The company is focused on serial innovation in atopic dermatitis and plans to report multiple clinical data readouts in 2026, setting the stage for potential Phase 3 trial initiation [4][8]