Kymera Therapeutics(US:KYMR) ZACKS·2025-12-09 16:46Core Insights - Kymera Therapeutics (KYMR) shares surged 41.6% following positive results from the phase Ib BroADen study for its lead candidate KT-621, aimed at treating atopic dermatitis (AD) [1][4] - Year-to-date, Kymera's shares have increased by 134.4%, significantly outperforming the industry average rise of 19.3% [2] Study Results - The phase Ib BroADen study was an open-label, single-arm trial assessing KT-621 at doses of 100 mg and 200 mg in patients with moderate-to-severe AD [4] - KT-621 demonstrated deep STAT6 degradation, with median reductions of 94% in skin and 98% in blood, indicating effective translation of results from healthy volunteers to AD patients [4] - Significant reductions in type 2 biomarkers were observed, including a median 74% reduction in TARC levels, comparable to results from Sanofi's Dupixent studies [5] - The study reported a mean 63% reduction in the Eczema Area and Severity Index (EASI) and a mean 40% reduction in pruritus Numerical Rating Scale (NRS) [6] Clinical Activity and Safety - KT-621 showed strong clinical activity across all endpoints, with notable improvements in EASI and pruritus, as well as benefits for asthma and allergic rhinitis patients [6][7] - The treatment was well-tolerated, with no serious adverse side effects reported [7] Future Development - Kymera has advanced KT-621 into a phase IIb study, BROADEN2, with data expected by mid-2027 [9] - The company plans to initiate another phase IIb study, BREADTH, for moderate-to-severe asthma patients in Q1 2026 [9] - Conducting parallel phase IIb studies in AD and asthma is anticipated to expedite KT-621's development and inform dosing strategies for future phase III trials [10]