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Kymera Therapeutics to Announce KT-621 BroADen Phase 1b Atopic Dermatitis Trial Results on December 8, 2025

Key Takeaway: Kymera Therapeutics, a clinical-stage biopharmaceutical company, will announce the results of its BroADen Phase 1b clinical trial evaluating KT-621 for moderate to severe atopic dermatitis on December 8, 2025. KT-621 aims to be a first-in-class oral STAT6 degrader, targeting Type 2 inflammation, with promising initial results showing complete degradation in trials. The company also plans to commence various Phase 2b trials to further study KT-621's applicability in treating other related conditions. The announcement is anticipated with interest as it could shape future treatment options.

Market Sentiment Analysis

POSITIVE FACTORS

  • Kymera's KT-621 shows promise in treating atopic dermatitis and other Type 2 inflammatory diseases.
  • The drug demonstrated an undifferentiated safety profile compared to placebo in prior studies.
  • Upcoming results from the BroADen Phase 1b trial could provide valuable data for future treatments.

Full Press Release Details

Company to host video conference call and webcast at 8:00 a.m. ET on Monday, December 8, 2025
WATERTOWN, Mass., Dec. 05, 2025 (GLOBE NEWSWIRE) -- Kymera Therapeutics, Inc. (NASDAQ: KYMR), a clinical-stage biopharmaceutical company advancing a new class of oral small molecule degrader medicines for immunological diseases, will announce results from the BroADen Phase 1b clinical trial evaluating KT-621, its oral STAT6 degrader, in patients with moderate to severe atopic dermatitis (AD) on Monday, December 8, 2025. A press release detailing the results will be issued at 7:00 a.m. ET, followed by a video conference call and webcast at 8:00 a.m. ET.
To join the video call or view the livestreamed webcast, please register via this link, or visit “News and Events” in the Investors section of the Company’s website at www.kymeratx.com. A replay of the webcast and copy of the presentation will be available following the event.
KT-621 is an investigational, first-in-class, once daily, oral degrader of STAT6, the specific transcription factor responsible for IL-4/IL-13 signaling and the central driver of Type 2 inflammation. In the Phase 1 clinical study in healthy volunteers, KT-621 demonstrated complete STAT6 degradation in blood and skin following low daily oral doses, reductions of multiple disease relevant Type 2 biomarkers, and a safety profile undifferentiated from placebo. KT-621, the first STAT6-directed drug to enter clinical evaluation, has the potential to transform treatment paradigms for more than 130 million patients around the world, including children and adults, suffering from Type 2 diseases such as atopic dermatitis (AD), asthma, bullous pemphigoid (BP), chronic obstructive pulmonary disease (COPD), chronic rhinosinusitis with nasal polyps (CRSwNP), eosinophilic esophagitis (EoE), chronic spontaneous urticaria (CSU), and prurigo nodularis (PN), among others.
The Company’s KT-621 BROADEN2 Phase 2b trial in moderate to severe AD patients is ongoing, and patient dosing has commenced. Data is expected to be reported by mid-2027. The BREADTH Phase 2b trial in asthma is planned to start in the first quarter of 2026. These studies are intended to accelerate KT-621 development and enable dose selection for subsequent parallel Phase 3 registration studies across multiple Type 2 dermatology, gastroenterology and respiratory indications.
About Kymera Therapeutics
Investor and Media Contact:
Vice President, Investor Relations

Tags

Targeted Protein Degradation

Frequently Asked Questions

What is the purpose of the December 8, 2025 call?

Kymera Therapeutics will announce results from the BroADen Phase 1b trial for KT-621.

What is KT-621 used to treat?

KT-621 targets moderate to severe atopic dermatitis and other Type 2 inflammatory diseases.

How can I access the webcast?

You can register via the link provided or visit the Investors section on Kymera’s website.

What are the results expected from KT-621?

Results are anticipated to demonstrate its efficacy and safety in patients with atopic dermatitis.

When will data from ongoing trials be available?

Data from the KT-621 Phase 2b trial is expected to be reported by mid-2027.

Last updated: Dec 5, 2025