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Proof of Concept Study to Investigate the Recurrence of Acne Post Isotretinoin

Primary Purpose

Acne

Status
Completed
Phase
Phase 4
Locations
Canada
Study Type
Interventional
Intervention
tretinoin microsphere 0.04% gel
vehicle gel
Sponsored by
Dermatrials Research
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional prevention trial for Acne focused on measuring acne, tretinoin, isotretinoin, recurrence, Retin A micro

Eligibility Criteria

18 Years - 45 Years (Adult)MaleDoes not accept healthy volunteers

Inclusion Criteria:

Subjects must fulfill all of the following criteria to be eligible for study admission:

  • Males aged between 18 and 45 years old who have successfully completed a treatment of acne with oral isotretinoin (Min 4 months/Maximum 6 months with an average of 5 months and a total of 120-150mg/kg/course).
  • Who can attend scheduled study follow-up visits at the outpatient dermatology clinic.
  • Agree to informed consent for participation in a study.
  • Agree to comply with the treatment and follow up procedures.

Exclusion Criteria:

  • Patients who receive isotretinoin for condition other than acne vulgaris.
  • Patients who have been off isotretinoin for less than 30 days or more than 90 days at the time of enrollment of the study.
  • Patients who have used prescription topical acne treatment (tretinoin, benzoyl peroxide, topical antibiotics or any combination products) between the end of therapy of isotretinoin within 2 weeks of study enrollment or oral antibiotics of any type between the end of therapy of isotretinoin within 4 weeks of study enrollment and throughout the study.
  • Patients who have been previously diagnosed with an endocrinological disorder likely to cause acne such as genital/adrenal hyperplasia, adrenal tumors or any other hypo androgenetic state.
  • Patients who are using any of the systemic medications likely to cause or abate acne such as oral Dilantin or any other epileptic, Finasteride, Spironolactone or Flutamine, testosterone or dietary body-building protein powders.
  • Have any nodulo-cystic lesions at baseline.
  • Used topical corticosteroids on the face or systemic corticosteroids within the past 4 weeks. Use of inhaled, intra-articular, or intra-lesional steroids other than for facial acne is acceptable.
  • Are currently using any medication that in the opinion of the investigator may affect the action or evaluation of the study product or place the subject at undue risk.
  • Used abradants, facials, peels containing glycolic or other acids; masks, washes, or soaps containing BPO, salicylic acid, or sulfacetamide sodium; non-mild facial cleansers; moisturizers that contain retinol, salicylic acid, or α- or β-hydroxy acids within the past 2 weeks.
  • Plan to use medications that are reported to exacerbate acne (e.g., mega-doses of certain vitamins, such as vitamin D [> 2000 IU per day] and vitamin B12 [> 1 mg/day], haloperidol, halogens [e.g., iodide and bromide], lithium, hydantoin, and phenobarbital), because these may impact efficacy assessments. Subjects who plan to use multivitamins, iron supplements and folate are acceptable.
  • Had a facial procedure (such as chemical or laser peel, microdermabrasion, blue light treatment, etc) performed by an esthetician, beautician, physician, nurse, or other practitioner, within the past 4 weeks or if it is planned to be performed during the conduct of the study.
  • Have a known hypersensitivity or have had previous allergic reaction to any of the active components or excipients of the study product.
  • Used any investigational therapy within the past 4 weeks, or currently participating in another clinical study.
  • Are currently abusing drugs or alcohol (drug screening not required).
  • Have a significant medical history of being immunocompromised.
  • Have other conditions that, in the judgment of the investigator, would put the subject at unacceptable risk for participation in the study.
  • Had any major illness within 30 days before the screening examination.
  • Currently are employees of R Vender, an investigator, or contract research organization (CRO) involved in the study, or an immediate family member (partner, offspring, parents, siblings or sibling's offspring) of an employee involved in the study.

Sites / Locations

  • Dermatrials Research

Arms of the Study

Arm 1

Arm 2

Arm Type

Active Comparator

Placebo Comparator

Arm Label

Tretinoin microsphere 0.04% gel

Vehicle gel

Arm Description

Outcomes

Primary Outcome Measures

Primary objectives-to assess the efficacy of Retin A micro 0.04% on the recurrence rate of acne post isotretinoin use compared to vehicle.

Secondary Outcome Measures

The percent change in lesion counts from baseline to week 16 and 24.
Proportion of subjects who have a Subject's Global
Proportion of subjects who have an ISGA score of 0 or 1 at week 16 and 24.

Full Information

First Posted
July 11, 2009
Last Updated
February 9, 2015
Sponsor
Dermatrials Research
Collaborators
Johnson & Johnson
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1. Study Identification

Unique Protocol Identification Number
NCT00939133
Brief Title
Proof of Concept Study to Investigate the Recurrence of Acne Post Isotretinoin
Official Title
Double Blinded Vehicle Controlled Proof of Concept Study to Investigate the Recurrence of Inflammatory and Non-inflammatory Acne Lesions Using Tretinoin Gel (Microsphere) 0.04% in Male Patients Post Oral Isotretinoin Use
Study Type
Interventional

2. Study Status

Record Verification Date
February 2015
Overall Recruitment Status
Completed
Study Start Date
July 2009 (undefined)
Primary Completion Date
December 2010 (Actual)
Study Completion Date
December 2010 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Dermatrials Research
Collaborators
Johnson & Johnson

4. Oversight

Data Monitoring Committee
No

5. Study Description

Brief Summary
The use of topical retinoids is a mainstay and basis of early acne treatment to prevent the progression to inflammatory lesions. Post oral isotretinoin, it is not uncommon for non-inflammatory papules and comedones to recur. However, there has been no formal study to look at the prevention of recurrence of these acne lesions post isotretinoin in a long term basis. This may enhance the therapeutic options for post isotretinoin patients in order to prevent recurrence of their disease. Hypothesis Tretinoin microsphere 0.04% will prevent recurrence of acne lesions.
Detailed Description
Subjects will be randomized 1:1 to study product or vehicle. Subjects will be randomly assigned to each group by an unblinded dispenser. The study duration will be 24 weeks with visits at baseline (week 0), week 4, week 8, week 16 and week 24. All study products will be administered once daily for 24 weeks. Subjects will apply a sufficient amount of study product to cover the entire face.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Acne
Keywords
acne, tretinoin, isotretinoin, recurrence, Retin A micro

7. Study Design

Primary Purpose
Prevention
Study Phase
Phase 4
Interventional Study Model
Single Group Assignment
Masking
ParticipantInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
20 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Tretinoin microsphere 0.04% gel
Arm Type
Active Comparator
Arm Title
Vehicle gel
Arm Type
Placebo Comparator
Intervention Type
Drug
Intervention Name(s)
tretinoin microsphere 0.04% gel
Other Intervention Name(s)
Retin A micro 0.04%
Intervention Description
Applied daily to entire face for six months
Intervention Type
Drug
Intervention Name(s)
vehicle gel
Intervention Description
Placebo
Primary Outcome Measure Information:
Title
Primary objectives-to assess the efficacy of Retin A micro 0.04% on the recurrence rate of acne post isotretinoin use compared to vehicle.
Time Frame
Six Months
Secondary Outcome Measure Information:
Title
The percent change in lesion counts from baseline to week 16 and 24.
Time Frame
Six Months
Title
Proportion of subjects who have a Subject's Global
Time Frame
Assessment score of 0 or 1 at week 16 and 24
Title
Proportion of subjects who have an ISGA score of 0 or 1 at week 16 and 24.
Time Frame
At week 16 and 24

10. Eligibility

Sex
Male
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
45 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Subjects must fulfill all of the following criteria to be eligible for study admission: Males aged between 18 and 45 years old who have successfully completed a treatment of acne with oral isotretinoin (Min 4 months/Maximum 6 months with an average of 5 months and a total of 120-150mg/kg/course). Who can attend scheduled study follow-up visits at the outpatient dermatology clinic. Agree to informed consent for participation in a study. Agree to comply with the treatment and follow up procedures. Exclusion Criteria: Patients who receive isotretinoin for condition other than acne vulgaris. Patients who have been off isotretinoin for less than 30 days or more than 90 days at the time of enrollment of the study. Patients who have used prescription topical acne treatment (tretinoin, benzoyl peroxide, topical antibiotics or any combination products) between the end of therapy of isotretinoin within 2 weeks of study enrollment or oral antibiotics of any type between the end of therapy of isotretinoin within 4 weeks of study enrollment and throughout the study. Patients who have been previously diagnosed with an endocrinological disorder likely to cause acne such as genital/adrenal hyperplasia, adrenal tumors or any other hypo androgenetic state. Patients who are using any of the systemic medications likely to cause or abate acne such as oral Dilantin or any other epileptic, Finasteride, Spironolactone or Flutamine, testosterone or dietary body-building protein powders. Have any nodulo-cystic lesions at baseline. Used topical corticosteroids on the face or systemic corticosteroids within the past 4 weeks. Use of inhaled, intra-articular, or intra-lesional steroids other than for facial acne is acceptable. Are currently using any medication that in the opinion of the investigator may affect the action or evaluation of the study product or place the subject at undue risk. Used abradants, facials, peels containing glycolic or other acids; masks, washes, or soaps containing BPO, salicylic acid, or sulfacetamide sodium; non-mild facial cleansers; moisturizers that contain retinol, salicylic acid, or α- or β-hydroxy acids within the past 2 weeks. Plan to use medications that are reported to exacerbate acne (e.g., mega-doses of certain vitamins, such as vitamin D [> 2000 IU per day] and vitamin B12 [> 1 mg/day], haloperidol, halogens [e.g., iodide and bromide], lithium, hydantoin, and phenobarbital), because these may impact efficacy assessments. Subjects who plan to use multivitamins, iron supplements and folate are acceptable. Had a facial procedure (such as chemical or laser peel, microdermabrasion, blue light treatment, etc) performed by an esthetician, beautician, physician, nurse, or other practitioner, within the past 4 weeks or if it is planned to be performed during the conduct of the study. Have a known hypersensitivity or have had previous allergic reaction to any of the active components or excipients of the study product. Used any investigational therapy within the past 4 weeks, or currently participating in another clinical study. Are currently abusing drugs or alcohol (drug screening not required). Have a significant medical history of being immunocompromised. Have other conditions that, in the judgment of the investigator, would put the subject at unacceptable risk for participation in the study. Had any major illness within 30 days before the screening examination. Currently are employees of R Vender, an investigator, or contract research organization (CRO) involved in the study, or an immediate family member (partner, offspring, parents, siblings or sibling's offspring) of an employee involved in the study.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Ronald Vender, MD FRCPC
Organizational Affiliation
Dermatrials Research
Official's Role
Principal Investigator
Facility Information:
Facility Name
Dermatrials Research
City
Hamilton
State/Province
Ontario
ZIP/Postal Code
L8N 1V6
Country
Canada

12. IPD Sharing Statement

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Proof of Concept Study to Investigate the Recurrence of Acne Post Isotretinoin

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