Aclaris Therapeutics Initiates Phase 1b Proof-of-Concept Trial in Patients with Asthma with its Novel Bispecific Anti-TSLP/IL-4Rα Antibody ATI-052

WAYNE, Pa., Feb. 24, 2026 (GLOBE NEWSWIRE) -- Aclaris Therapeutics, Inc. (NASDAQ: ACRS), a clinical-stage biopharmaceutical company focused on developing novel product candidates for immuno-inflammatory diseases, today announced that it has initiated a placebo-controlled Phase 1b proof-of-concept (POC) trial of ATI-052, the Company's potential best-in-class investigational bispecific anti-TSLP/IL-4Rα antibody, in asthma. This announcement follows the recent initiation of the Company's Phase 1b POC trial of ATI-052 in atopic dermatitis (AD).

GlobeNewsWire • 12 hours ago

Aclaris Therapeutics' Novel ITK/JAK3 Inhibitor ATI-2138 Demonstrates Rapid and Sustained Hair Regrowth in Validated Murine Model of Alopecia Areata (AA)

Aclaris Therapeutics' Novel ITK/JAK3 Inhibitor ATI-2138 Demonstrates Rapid and Sustained Hair Regrowth in Validated Murine Model of Alopecia Areata (AA)

GlobeNewsWire • Jan 27, 2026

Aclaris Therapeutics Initiates Phase 1b Proof-of-Concept Trial in Atopic Dermatitis (AD) with Its Novel Bispecific Antibody ATI-052

WAYNE, Pa., Jan. 12, 2026 (GLOBE NEWSWIRE) -- Aclaris Therapeutics, Inc. (NASDAQ: ACRS), a clinical-stage biopharmaceutical company focused on developing novel product candidates for immuno-inflammatory diseases, today announced that it has initiated a placebo-controlled Phase 1b proof-of-concept (POC) trial in atopic dermatitis (AD) for ATI-052, the Company's potential best-in-class investigational bispecific anti-TSLP/IL-4Rα antibody. “We are experiencing strong momentum in the ATI-052 clinical development program including the recent positive Phase 1a interim results which demonstrated a strong safety and tolerability profile, extended pharmacokinetics, and concentration-dependent pharmacodynamics even at the lowest dose,” said Dr. Jesse Hall, Chief Medical Officer of Aclaris.

GlobeNewsWire • Jan 12, 2026

Aclaris Therapeutics, Inc. (ACRS) Discusses Positive Interim Results From ATI-052 Phase 1a Trial and Potential Therapeutic Advantages Transcript

Aclaris Therapeutics, Inc. (ACRS) Discusses Positive Interim Results From ATI-052 Phase 1a Trial and Potential Therapeutic Advantages Transcript

Seeking Alpha • Jan 6, 2026

Aclaris Therapeutics Announces Positive Interim Results of Phase 1a Trial of Anti-TSLP/IL-4Rα Bispecific Antibody ATI-052 Supporting Expedited Clinical Development

- Positive Interim Results of Phase 1a Single (SAD) and Multiple Ascending Dose (MAD) Trial Reinforce Potential Best-in-Class Potency Advantage of ATI-052 - - Trial Results Support Potential for Extended Dosing of up to Every Three Months - - Initiation of Phase 1b Proof-of-Concept (POC) Trials in Atopic Dermatitis (AD) and Asthma Now Expected in First Quarter of 2026; Planning Underway for Advancement of ATI-052 into Phase 2b Trial in AD in the Second Half of 2026 - - Management to Host a Conference Call to Discuss Update Today at 8:00 AM EST - WAYNE, Pa., Jan. 06, 2026 (GLOBE NEWSWIRE) -- Aclaris Therapeutics, Inc. (NASDAQ: ACRS), a clinical-stage biopharmaceutical company focused on developing novel product candidates for immuno-inflammatory diseases, today announced positive interim results from the first-in-human Phase 1a single (SAD) and multiple ascending dose (MAD) trial of its anti-TSLP/IL-4Rα bispecific antibody ATI-052.

GlobeNewsWire • Jan 6, 2026

Aclaris Therapeutics Added to the NASDAQ Biotechnology Index (NBI)

WAYNE, Pa., Dec. 19, 2025 (GLOBE NEWSWIRE) -- Aclaris Therapeutics, Inc. (NASDAQ: ACRS), a clinical-stage biopharmaceutical company focused on developing novel product candidates for immuno-inflammatory diseases, today announced it has been added to the Nasdaq Biotechnology Index (NASDAQ: NBI), effective at the close of trading today, December 19, 2025. The NBI is designed to track the performance of a set of securities listed on The Nasdaq Stock Market® that are classified as either biotechnology or pharmaceutical according to the Industry Classification Benchmark.

GlobeNewsWire • Dec 19, 2025

Aclaris Therapeutics to Participate in the Piper Sandler 37th Annual Healthcare Conference

WAYNE, Pa., Nov. 25, 2025 (GLOBE NEWSWIRE) -- Aclaris Therapeutics, Inc. (NASDAQ: ACRS), a clinical-stage biopharmaceutical company focused on developing novel product candidates for immuno-inflammatory diseases, today announced that Dr. Neal Walker, Aclaris' Chief Executive Officer and other members of Aclaris' senior leadership team will participate in a fireside chat during the Piper Sandler 37th Annual Healthcare Conference in New York City. The discussion will take place on Tuesday December 2, 2025 at 11:00 AM EST.

GlobeNewsWire • Nov 25, 2025

Aclaris Therapeutics Reports Third Quarter 2025 Financial Results and Provides Corporate Update

- Positive Results from Phase 2a Trial of ITK/JAK3 Inhibitor ATI-2138 Presented at the 2025 European Academy of Dermatology and Venereology (EADV) Congress, Further Validating ITK as Therapeutic Target; Initiation of Phase 2 Trial in an Additional Indication Expected in the First Half of 2026 - - Timelines Reiterated for Top Line Clinical Results from Ongoing Trials of Investigational Anti-TSLP Monoclonal Antibody Bosakitug (ATI-045) and Anti-TSLP/IL-4R Bispecific Antibody ATI-052 - - Initiation of Phase 1b Proof-of-Concept Trials of ATI-052 in Asthma and Atopic Dermatitis (AD) Expected in the First Half of 2026 - - Strong Cash Runway Expected to Fund Operations into the Second Half of 2028 - WAYNE, Pa., Nov. 06, 2025 (GLOBE NEWSWIRE) -- Aclaris Therapeutics, Inc. (NASDAQ: ACRS), a clinical-stage biopharmaceutical company focused on developing novel product candidates for immuno-inflammatory diseases, today announced its financial results for the third quarter of 2025 and provided a corporate update.

GlobeNewsWire • Nov 6, 2025

Aclaris Therapeutics (ACRS) Reports Q3 Loss, Tops Revenue Estimates

Aclaris Therapeutics (ACRS) came out with a quarterly loss of $0.12 per share versus the Zacks Consensus Estimate of a loss of $0.13. This compares to a loss of $0.11 per share a year ago.

Zacks Investment Research • Nov 6, 2025

Aclaris Therapeutics to Participate in Three November Healthcare Conferences

WAYNE, Pa., Oct. 29, 2025 (GLOBE NEWSWIRE) -- Aclaris Therapeutics, Inc. (NASDAQ: ACRS), a clinical-stage biopharmaceutical company focused on developing novel product candidates for immuno-inflammatory diseases, today announced that the Company will participate in three upcoming healthcare conferences in November. On Wednesday November 12, 2025, at 11:00 AM EST, Aclaris' Chief Executive Officer Dr. Neal Walker and other members of Aclaris' senior leadership team will participate in a fireside chat during the Guggenheim 2nd Annual Healthcare Conference in Boston, MA.

GlobeNewsWire • Oct 29, 2025