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ATI-501

Phase 2

Alopecia | Small molecule | Dermatology |Aclaris Therapeutics, Inc.|Trials Updated: Sep 16, 2020

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment87

FDA Designations

No designations recorded

ATI-501 clinical trials

ATI-501 · 1 trial · 1 indication

Phase 2 1
NCT03594227ATI-501 Oral Suspension Compared to Placebo in Subjects With Alopecia Areata, Alopecia Universalis or Alopecia TotalisAlopecia
COMPLETED87 Analytics
PHASE2COMPLETED
ATI-501 Oral Suspension Compared to Placebo in Subjects With Alopecia Areata, Alopecia Universalis or Alopecia Totalis
AlopeciaUnlock trial analytics

Study Endpoints

Primary Endpoints

Percent Change From Baseline in the Severity of Alopecia Tool (SALT) Score at Week 24
Baseline-Week 24

The Severity of Alopecia Tool (SALT) score is a physician administered scale measuring the amount of scalp without any terminal hair assessed by the investigator. Possible scores range from 0 (no scalp hair loss) to 100 (complete scalp hair loss). A negative change in the SALT score over time represents hair regrowth by adding the percentage hair loss in the various areas (i.e. top, back, each side) of the scalp. The primary efficacy variable was the percent change from baseline in SALT score at Week 24. This was calculated as the mean of the changes from Baseline (Visit 2) SALT score to Week 24 (Visit 10) SALT score, divided by Baseline SALT score and expressed as a percentage.

Secondary Endpoints

Percent Change From Baseline in the Alopecia Density and Extent Score (ALODEX) at Week 24
Baseline-Week 24
Mean Change From Baseline in the Severity of Alopecia Tool (SALT) Score at Week 24
Baseline-Week 24
Mean Change From Baseline in the Alopecia Density and Extent (ALODEX) Score at Week 24
Baseline-Week 24
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeOTHER

Treatment Arms

ArmTypeDescription
400mg BID (Low dose)ACTIVE_COMPARATORATI-501 low dose - oral administration
600mg BID (Mid dose)ACTIVE_COMPARATORATI-501 mid dose - oral administration
800mg BID (High dose)ACTIVE_COMPARATORATI-501 high dose - oral administration
PlaceboPLACEBO_COMPARATORPlacebo - oral administration

Interventions

NameTypeDescription
ATI-501 400mg BID (Low dose)DRUGATI-501 400mg BID oral low dose for oral administration
ATI-501 600mg BID (Mid dose)DRUGATI-501 600mg BID oral mid dose for oral administration
ATI-501 800mg BID (High dose)DRUGATI-501 800mg BID high dose for oral administration
PlaceboDRUGPlacebo - oral administration
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites25

Inclusion Criteria: Subjects must meet the following criteria to be eligible for participation in the study: 1. Able to comprehend and willing to sign an Informed Consent Form (ICF). 2. Male or non-pregnant, non-nursing female ≥ 18 years old at the time of informed consent. 3. Have a clinical diag...

Countries:United States
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Frequently asked questions about ATI-501

What is ATI-501 used for?

ATI-501 is an investigational small molecule being studied for alopecia, including alopecia areata, alopecia universalis, and alopecia totalis. It was evaluated as an oral suspension in a Phase 2 clinical trial in adults. It is not an approved treatment and remains in clinical development.

Who makes ATI-501?

ATI-501 is developed by Aclaris Therapeutics, Inc., which trades on the Nasdaq under the ticker ACRS. The company sponsored the Phase 2 study of the drug in alopecia areata, alopecia universalis, and alopecia totalis.

What phase is ATI-501 in?

ATI-501 is in Phase 2 development. One Phase 2 trial has been completed, and no trials are currently active. The drug is investigational and has not been approved by the FDA for any indication.

What clinical trials is ATI-501 in?

ATI-501 was studied in the Phase 2 trial NCT03594227, titled ATI-501 Oral Suspension Compared to Placebo in Subjects With Alopecia Areata, Alopecia Universalis or Alopecia Totalis. The completed trial enrolled 87 participants in the United States, was randomized, double blind, and placebo controlled, and included adults 18 years and older.