NCT04797793

Brief Summary

To demonstrate therapeutic equivalence and safety of adapalene gel 0.1% (Taro Pharmaceuticals U.S.A., Inc.) and Differin® Gel (Adapalene Gel 0.1%, Galderma) in the treatment of acne vulgaris.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
978

participants targeted

Target at P75+ for early_phase_1

Timeline
Completed

Started May 2020

Shorter than P25 for early_phase_1

Geographic Reach
1 country

1 active site

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

Study Start

First participant enrolled

May 18, 2020

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 8, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 8, 2021

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

March 12, 2021

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 15, 2021

Completed
Last Updated

April 1, 2021

Status Verified

March 1, 2021

Enrollment Period

8 months

First QC Date

March 12, 2021

Last Update Submit

March 26, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • The percentage change in the inflammatory and non-inflammatory lesion counts

    Demonstration of Therapeutic Equivalence

    Baseline to Week 12

Study Arms (3)

Adapalene gel 0.1%

EXPERIMENTAL

The study medication will be self-applied topically, on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.

Drug: Adapalene Gel 0.1%

Differin® Gel (Adapalene 0.1%, Galderma)

ACTIVE COMPARATOR

The study medication will be self-applied topically, on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.

Drug: Differin® Gel (Adapalene 0.1%, Galderma)

Placebo Control

PLACEBO COMPARATOR

The study medication will be self-applied topically, on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.

Drug: Placebo Control

Interventions

The study medication will be self-applied topically on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.

Also known as: Test Product
Adapalene gel 0.1%

The study medication will be self-applied topically on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.

Also known as: Vehicle
Placebo Control

The study medication will be self-applied topically on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.

Also known as: Reference Product
Differin® Gel (Adapalene 0.1%, Galderma)

Eligibility Criteria

Age12 Years - 40 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Healthy male or non pregnant female aged ≥ 12 and ≤ 40 years with a clinical diagnosis of acne vulgaris.
  • Subjects who are 18 years of age or older (up to the age of 40) must have provided IRB approved written informed consent. Subjects ages 12 to 17 years of age inclusive must have provided IRB approved written assent;
  • Subjects must have a definite clinical diagnosis of acne vulgaris of severity grade 2, 3, or 4 as per the Investigator's Global Assessment (IGA)

You may not qualify if:

  • Female Subjects who are pregnant, nursing or planning to become pregnant during study participation
  • Subjects with a history of hypersensitivity or allergy to tretinoin, retinoids, or any of the study medication ingredients.
  • Subjects with the presence of any skin condition that would interfere with the diagnosis or assessment of acne vulgaris (e.g., on the face: rosacea, dermatitis, psoriasis, squamous cell carcinoma, eczema, acneiform eruptions caused by medications, steroid acne, steroid folliculitis, or bacterial folliculitis).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Catawba Research, LLC

Charlotte, North Carolina, 28217, United States

Location

MeSH Terms

Conditions

Acne Vulgaris

Interventions

Adapalene

Condition Hierarchy (Ancestors)

Acneiform EruptionsSkin DiseasesSkin and Connective Tissue DiseasesSebaceous Gland Diseases

Intervention Hierarchy (Ancestors)

NaphthalenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPolycyclic Compounds

Study Officials

  • Zaidoon A. Al-Zubaidy

    Catawba Research

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 12, 2021

First Posted

March 15, 2021

Study Start

May 18, 2020

Primary Completion

January 8, 2021

Study Completion

January 8, 2021

Last Updated

April 1, 2021

Record last verified: 2021-03

Locations