NCT03148691

Brief Summary

The primary objective of this study is to evaluate the safety and effectiveness of 2 concentrations of A-101 compared to Vehicle for the treatment of 4 seborrheic keratosis (SK) Target Lesions on the trunk, extremities and face.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
253

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started May 2017

Shorter than P25 for phase_2

Geographic Reach
1 country

9 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 9, 2017

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 11, 2017

Completed
6 days until next milestone

Study Start

First participant enrolled

May 17, 2017

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 28, 2018

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

April 3, 2018

Completed
1.1 years until next milestone

Results Posted

Study results publicly available

May 6, 2019

Completed
Last Updated

May 6, 2019

Status Verified

May 1, 2019

Enrollment Period

10 months

First QC Date

May 9, 2017

Results QC Date

February 13, 2019

Last Update Submit

May 2, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Mean of Per Subject Percentages of Target Lesions Judged to be Clear (PWA=0) at Visit 8

    Mean of per subject percentages of target lesions judged to be clear (PWA=0) at Visit 8 Grade Descriptor 0 Clear: no visible seborrheic keratosis lesion 1. Near Clear: a visible seborrheic keratosis lesion with a surface appearance different from the surrounding skin (not elevated) 2. Thin: a visible seborrheic keratosis lesion (thickness ≤ 1 mm) 3. Thick: a visible seborrheic keratosis lesion (thickness \> 1 mm)

    Day 106

Study Arms (3)

Vehicle

PLACEBO COMPARATOR

Vehicle Topical Solution

Drug: A-101

A-101 Low Dose

ACTIVE COMPARATOR

A-101 Low Dose Topical Solution

Drug: A-101

A-101 High Dose

ACTIVE COMPARATOR

A-101 High DoseTopical Solution

Drug: A-101

Interventions

A-101DRUG

Topical Solution

A-101 High DoseA-101 Low DoseVehicle

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject is able to comprehend and is willing to sign an informed consent for participation in this study.
  • Male or female ≥ 18 years old.
  • Subject has a clinical diagnosis of stable clinically typical seborrheic keratosis.
  • Subject has 4 appropriate seborrheic keratosis Target Lesions on the trunk, extremities and face, with at least 1 Target Lesion on the face and at least 1 Target Lesion on the trunk or extremities. The 4 identified Target Lesions must meet the requirements as defined below:
  • Have a clinically typical appearance
  • Have a Physician's Lesion Assessment of ≥ 2
  • Length that is ≥ 5mm and ≤ 15mm
  • Width that is ≥ 5mm and ≤ 15 mm
  • Thickness that is ≤ 2mm
  • Be a discrete lesion
  • Be the only SK lesion present when centered in the area outlined by the provided circular template
  • Not be covered with hair which, the in the investigator's opinion, would interfere with the study medication treatment or the study evaluations
  • Not be in the intertriginous fold
  • Not be on the eyelids
  • Not be within 5mm of the orbital rim
  • +6 more criteria

You may not qualify if:

  • Subject has clinically atypical and /or rapidly growing seborrheic keratosis lesions.
  • Subject has presence of multiple eruptive seborrheic keratosis lesions (Sign of Leser - Trelat).
  • Subject has current systemic malignancy.
  • Subject has used any of the following systemic therapies within the specified period prior to Visit 1:
  • Retinoids; 180 days
  • Corticosteroids; 28 days
  • Anti-metabolites (e.g., methotrexate); 28 days
  • Subject has used any of the following topical therapies within the specified period prior to Visit 1 on, or in a proximity to any Target Lesion, that in the investigator's opinion interferes with the study medication treatment or the study assessments:
  • LASER, light or other energy based therapy (e.g., intense pulsed light, photo-dynamic therapy; 180 days
  • Liquid nitrogen, electrodesiccation, curettage, imiquimod, 5-Fluorouracil, or ingenol mebutate; 60 days
  • Hydrogen peroxide: 90 days
  • Retinoids; 28 days
  • Microdermabrasion or superficial chemical peels; 14 days
  • Corticosteroids or antibiotics; 14 days
  • Subject would require the use of any topical treatment (e.g. moisturizers, sunscreen) to any of the Target Lesions 12 hours prior to any study visit.
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (9)

Center for Dermatology and Dermatologic Surgery

Washington D.C., District of Columbia, 20037, United States

Location

Baumann Research Institute

Miami, Florida, 33137, United States

Location

MedaPhase, Inc

Newnan, Georgia, 30263, United States

Location

Union Square Laser Dermatology

New York, New York, 10003, United States

Location

Philadelphia Institute - Dermatology

Fort Washington, Pennsylvania, 19034, United States

Location

Perelman Center for Advanced Medicine

Philadelphia, Pennsylvania, 19104, United States

Location

Greenville Dermatology

Greenville, South Carolina, 29607, United States

Location

The Skin Wellness Center, PC Clinical Research Division

Knoxville, Tennessee, 37922, United States

Location

DermResearch Inc

Austin, Texas, 78759, United States

Location

MeSH Terms

Conditions

Keratosis, Seborrheic

Interventions

N-phenylacetoaminomethylene-DL-p-nitrophenylalanine

Condition Hierarchy (Ancestors)

KeratosisSkin DiseasesSkin and Connective Tissue Diseases

Results Point of Contact

Title
Executive Director, Clinical Operations
Organization
Aclaris Therapeutics

Study Officials

  • Stuart D Shanler, MD

    Aclaris Therapeutics, Inc.

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 9, 2017

First Posted

May 11, 2017

Study Start

May 17, 2017

Primary Completion

February 28, 2018

Study Completion

April 3, 2018

Last Updated

May 6, 2019

Results First Posted

May 6, 2019

Record last verified: 2019-05

Data Sharing

IPD Sharing
Will not share

Locations