ClinicalTrials.Veeva

Menu

Bioequivalence Study of Generic Tretinoin 0.1% Microsphere Gel, 0.1% Retin-A Micro® and Placebo

S

Spear Pharmaceuticals

Status and phase

Completed
Phase 3

Conditions

Acne

Treatments

Drug: Brand Retin-A Micro tretinoin microsphere gel 0.1%
Drug: Tretinoin microsphere 0.1%
Drug: placebo microsphere gel

Study type

Interventional

Funder types

Industry

Identifiers

Details and patient eligibility

About

The objective will be to assess clinical bioequivalence of 0.1% Retin-A Micro® Gel and Spear Pharmaceutical's generic 0.1% Tretinoin Microsphere Gel with a placebo arm.

Full description

Not required

Enrollment

480 patients

Sex

All

Ages

12 to 40 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Normal, healthy male and female children and adult
  • Written and verbal informed consent must be obtained. Patients age 12 to 17 (inclusive) must sign an assent for the study and a parent or a legal guardian must sign the informed consent.
  • Women of child-bearing potential must be non-pregnant and non-nursing, and must be willing to avoid pregnancy during the course of the study and during the menstrual cycle following completion of their participation in the study.
  • Able to refrain from the use of all other topical acne medications or antibiotics during the treatment period.
  • Considered reliable and capable of understanding their responsibility and role in the study.

Exclusion criteria

  • Significant history or clinical evidence of auto-immune, cardiovascular, gastrointestinal, hematological, hepatic, neurological, pancreatic, or renal disease.
  • Abnormal pre-existing skin condition which might affect the normal course of acne vulgaris (e.g., eczema, psoriasis, albinism, or chronic vesiculobullous disorders).
  • Use topical acne therapy during the two week period prior to study initiation.
  • Use of systemic retinoid treatment within six months prior to study initiation.
  • Pregnant or breast-feeding.
  • Serious psychological illness.
  • Participation in any clinical research study during the 30 day period preceding study initiation.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

480 participants in 3 patient groups, including a placebo group

Generic
Active Comparator group
Description:
treatment of acne for 12 weeks
Treatment:
Drug: Tretinoin microsphere 0.1%
Brand
Active Comparator group
Description:
Treatment of acne for 12 weeks
Treatment:
Drug: Brand Retin-A Micro tretinoin microsphere gel 0.1%
Placebo
Placebo Comparator group
Description:
Treatment if acne for 12 weeks as placebo
Treatment:
Drug: placebo microsphere gel

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems