Study of ATI-2138 in Adult Participants With Moderate to Severe Atopic Dermatitis
A Phase 2a Open-label Study to Investigate the Safety, Tolerability, Pharmacokinetics, Efficacy, and Pharmacodynamics of ATI-2138 Administered Over 12 Weeks in Participants With Moderate to Severe Atopic Dermatitis
1 other identifier
interventional
14
1 country
6
Brief Summary
This is a Phase 2 open label study of ATI-2138 in participants with moderate to severe atopic dermatitis.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Aug 2024
Shorter than P25 for phase_2
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 19, 2024
CompletedFirst Submitted
Initial submission to the registry
September 3, 2024
CompletedFirst Posted
Study publicly available on registry
September 5, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 13, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2025
CompletedMarch 12, 2026
February 1, 2026
7 months
September 3, 2024
March 10, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Incidence and severity of treatment emergent adverse events (TEAEs)
From baseline up to two weeks after treatment (Day 98)
Secondary Outcomes (8)
Change from baseline Eczema Area and Severity Index (EASI) Over Time
Up to Week 12
Proportions of participants who achieve at least 50%, 75%, and 90% improvement in EASI Over Time
Up to Week 12
Proportion of participants achieving Investigator's Global Assessment-Treatment Success Over Time
Up to Week 12
Change in IGA score over time
Up to Week 12
Change from baseline in AD Body Surface Area (BSA) over time
Up to week 12
- +3 more secondary outcomes
Study Arms (1)
ATI-2138
EXPERIMENTALATI-2138 oral tablets BID
Interventions
Eligibility Criteria
You may qualify if:
- Able to comprehend and willing to sign the IRB approved ICF/assent prior to administration of study-related procedures.
- Male patients or non-pregnant, non-nursing female patients 18 to 60 years old, inclusive, at the time of informed consent/assent.
- Have at least a 1-year history of moderate or severe AD prior to the Screening Visit, and no significant AD flares for the 4 weeks prior to the Screening Visit as determined by the Investigator upon review of participant medical history.
You may not qualify if:
- Any prior exposure to systemic (oral) JAK inhibitors or TYK inhibitors at any time prior to Screening.
- Unstable course of AD (spontaneously improving or rapidly deteriorating) based on the patient history or as determined by the investigator during the Screening Period.
- Refractory AD (ie, AD that required frequent hospitalizations and/or frequent intravenous treatment for skin infections within the year before the Screening Visit).
- Concomitant skin disease or clinically infected AD or presence of other skin disease in the area to be dosed that may interfere with study assessments.
- Female patients who are pregnant, nursing, or planning to become pregnant during the study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Aclaris Investigational Site
Birmingham, Alabama, 35244, United States
Aclaris Investigational Site
Encino, California, 91436, United States
Aclaris Investigational Site
San Diego, California, 92123, United States
Aclaris Investigational Site
Plainfield, Indiana, 46168, United States
Aclaris Investigational Site
Austin, Texas, 78759, United States
Aclaris Investigational Site
San Antonio, Texas, 78213, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Ajay Aggarwal, MD
Aclaris Therapeutics, Inc.
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 3, 2024
First Posted
September 5, 2024
Study Start
August 19, 2024
Primary Completion
March 13, 2025
Study Completion
March 31, 2025
Last Updated
March 12, 2026
Record last verified: 2026-02