NCT06451237

Brief Summary

The goal of this study is to learn if isotretinoin oral tablets as a weekend regimen are safe and effective to maintain freedom from acne lesions in young adults who have completed a full course of isotretinoin on daily basis and achieved total control of the acne activity.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
60

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Jan 2018

Longer than P75 for phase_3

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

January 20, 2018

Completed
4.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 20, 2022

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 20, 2023

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

May 1, 2024

Completed
1 month until next milestone

First Posted

Study publicly available on registry

June 11, 2024

Completed
Last Updated

June 11, 2024

Status Verified

June 1, 2024

Enrollment Period

4.9 years

First QC Date

May 1, 2024

Last Update Submit

June 9, 2024

Conditions

Outcome Measures

Primary Outcomes (4)

  • Incidence of acne relapse during maintenance phase

    percent of patients having one grade worsening of their acne investigator global assessment scale achieved by end of treatment phase as assessed by the physician during follow up

    one year

  • Timing of acne relapse after initiating maintenance

    The time interval between initiating maintenance and the occurrence of one grade worsening of the patient's investigator global assessment scale achieved by the end of treatment phase as assessed by the physician during follow up

    one year

  • Maximum severity of acne relapse during follow up

    Maximum investigator global assessment score reached by the the patient during the follow up year

    One year

  • Incidence of adverse effects

    Percent of patients reporting adverse effects in general, percent of patients reporting each category of side effects, including disturbed lipid profile, raised transaminases, psychological changes, dryness, hair shedding, ...

    One year

Secondary Outcomes (2)

  • subjective patient satisfaction by maintenance regimen

    one year

  • Subjective convenience of maintenance regimen to patient

    one year

Study Arms (3)

Adapalene group

ACTIVE COMPARATOR

Patients received full Isotretinoin course for treatment, and maintained on every other day adapalene gel.

Drug: Isotretinoin capsules

Full Iso group

ACTIVE COMPARATOR

Patients received full isotretinoin course for treatment, and maintained on weekend isotretinoin.

Drug: Isotretinoin capsules

Clearance Iso

ACTIVE COMPARATOR

Patients treated by systemic isotretinoin till full clearance and for a month thereafter, and maintained on weekend isotretinoin.

Drug: Isotretinoin capsules

Interventions

A one year follow up for patients on three maintenance regimens after acne clearance, including weekend isotretinoin and adapalene gel.

Also known as: Adapalene gel
Adapalene groupClearance IsoFull Iso group

Eligibility Criteria

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

You may qualify if:

  • Adult patients (≥ 18 years) with moderate to severe facial acne, as per the Investigator Global Assessment (IGA) scale

You may not qualify if:

  • patients on systemic acne medications in the past 3 months or topicals in the last month, pregnant or breastfeeding females, those with evidence of endocrine disturbances or using medications for comorbidities

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Alexandria University

Alexandria, 2500, Egypt

Location

MeSH Terms

Conditions

Acne Vulgaris

Interventions

Isotretinoin

Condition Hierarchy (Ancestors)

Acneiform EruptionsSkin DiseasesSkin and Connective Tissue DiseasesSebaceous Gland Diseases

Intervention Hierarchy (Ancestors)

RetinoidsCarotenoidsPolyenesAlkenesHydrocarbons, AcyclicHydrocarbonsOrganic ChemicalsCyclohexenesCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicTerpenesPigments, BiologicalBiological Factors

Study Officials

  • Carmen Farid, MD

    Professor of Dermatology

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
The assessor responsible for the follow up (assessing primary and secondary measures) during the treatment and maintenance phases was blinded to the line of treatment used.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Interventional study on 3 parallel groups, with random assignment and longitudinal follow up, conducted in two phases (treatment and maintenance).
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Dermatology, Venereology and Andrology

Study Record Dates

First Submitted

May 1, 2024

First Posted

June 11, 2024

Study Start

January 20, 2018

Primary Completion

December 20, 2022

Study Completion

September 20, 2023

Last Updated

June 11, 2024

Record last verified: 2024-06

Data Sharing

IPD Sharing
Will not share

Locations