Efficacy and Safety Study With Visonac Photodynamic Therapy (PDT)

NCT ID: NCT00933543

Last Updated: 2013-12-11

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE2
• Total Enrollment: 107 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2009-08-31
• Study Completion Date: 2010-03-31

Brief Summary

The purpose of this trial is to study the efficacy and safety of Visonac PDT in patients from 9 to 35 years old with Aktilite® CL512. Patients was randomized to Visonac or vehicle cream without occlusion and red light(dose: 37J/cm2)

Detailed Description

Double blinded, prospective, randomized, stratified, placebo-controlled, multi-center study in patients with moderate to severe acne vulgaris. Patients with facial severity grades 3 to 4 on the Investigator's Global Assessment (IGA) scale will be included. Each patient will be classified according to age in the two age groups 9 to 12 years and 13 to 35 years and randomized to either Visonac or vehicle cream within each age group. All patients will receive 4 treatments 2 weeks apart (at week 0, 2 ,4 and 6 week). Efficacy evaluation will be done after each treatment and at 12 weeks after the first treatment. Safety evaluations will be performed at each treatment visit and at 12 weeks after the first treatment.

Photographs of patients will be taken before and after treatment at first and last treatment visit, and at 12 weeks after first treatment.

Blood samples will be drawn at 3 visits; pre-treatment visit, one week after first treatment and at one week after last treatment visit.

Conditions

Acne Vulgaris

Keywords

Acne Vulgaris; Moderate to severe

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: QUADRUPLE

Study Groups

Visonac cream with PDT

Active treatment, Light dose 37 J/cm2.

Group Type: EXPERIMENTAL

Visonac PDT (MAL PDT)

Intervention Type: DRUG

Cream application followed by illumination with red light.

PDT

Intervention Type: PROCEDURE

Photodynamic Therapy - Light dose 37 J/cm2

Vehicle cream with PDT

Placebo treatment, Light dose 37 J/cm2.

Group Type: PLACEBO_COMPARATOR

Vehicle cream (placebo)

Intervention Type: DRUG

Cream application followed by illumination with red light.

PDT

Intervention Type: PROCEDURE

Photodynamic Therapy - Light dose 37 J/cm2

Interventions

Visonac PDT (MAL PDT)

Cream application followed by illumination with red light.

Intervention Type: DRUG

Vehicle cream (placebo)

Cream application followed by illumination with red light.

Intervention Type: DRUG

PDT

Photodynamic Therapy - Light dose 37 J/cm2

Intervention Type: PROCEDURE

Other Intervention Names

Visonac; MAL PDT; red light; Vehicle cream; MAL PDT; red light; Red light

Eligibility Criteria

Inclusion Criteria

• Female and male patients, above 9 years of age with moderate to severe facial acne vulgaris (IGA score 3-4).
• Female patients who are surgically sterile, pre-menstrual, postmenopausal, abstinent, or willing to use an adequate means of contraception including birth control pills, or barrier methods and spermicide for at least 14 days prior to T1. Patients using birth control pills must have used the same product and dose for at least 6 months and must agree to stay with the same product and dose for an additional 6 months.
• Fitzpatrick skin type I through VI.
• Patients with 20 to 100 inflammatory lesions (papules, pustules, and nodules) on the face.
• Patients with 30 to 120 non-inflammatory lesions (open and closed comedones) on the face.
• Patients with no more than 2 nodular lesions on the face.
• Signed and verified informed consent form. For subjects under age of 18, an assent form in conjunction with an informed consent form, signed and verified by parent/guardian.

Exclusion Criteria

Patients presenting with any of the following will not be included in the study:

• Patient is the investigator or any sub investigator, research assistant, pharmacist, study coordinator, other staff or relative thereof directly involved in the conduct of the protocol.
• Patients unlikely to comply with the protocol, e.g., mental condition rendering the patient unable to understand the nature, scope, and possible consequences of the clinical study, uncooperative attitude or unlikelihood of completing the study (e.g., drug or alcohol abuse).
• Female patients using oral contraceptives, that have not used the same product or dose within the last 6 months and do not agree to stay with the same product and dose for the duration of the study.
• Pregnancy
• Patients undergoing testosterone or any other systemic hormonal treatment.
• Patients using hormonal contraceptives solely for the control of acne.
• Known allergy to MAL, to a similar PDT compound, or to excipients of the cream.
• Patients with porphyria.
• Patients with cutaneous photosensitivity.
• Participation in other clinical studies either concurrently or within the last 30 days, before T1.
• Patients with a washout period for topical treatments e.g., topical BPOs, retinoids and antibiotics, for their acne of less than 14 days, before T1. Medicated cleansers may be used during the washout period and stopped before the treatment.
• Patients with a washout period for oral antibiotics for treatment of their acne of less than 1 month, before T1.
• Patients with a washout period for oral isotretinoin of less than 6 months, before T1.
• Patients with a beard or other facial hair that might interfere with study assessments.
• Patients with melanoma or dysplastic nevi in the treatment area.
• Exposure to ultraviolet radiation (UVB phototherapy, sun tanning salons) within the last 30 days.
• Exposure to PDT within 12 weeks before T1.

• Minimum Eligible Age: 9 Years
• Maximum Eligible Age: 35 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Photocure

INDUSTRY

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Lawrence F. Eichenfield, M.D

Role: PRINCIPAL_INVESTIGATOR

Children's Specialists of San Diego / Rady Children's Hospital San Diego

Locations

Children's Specialists of San Diego / Rady Children's Hospital San Diego

San Diego, California, United States

DeNova Research

Chicago, Illinois, United States

Dermatology Institute of DuPage Medical Group

Naperville, Illinois, United States

Minnesota Clinical Study Center

Fridley, Minnesota, United States

Dermatology Associates of Rochester

Rochester, New York, United States

Milton S. Hershey Medical Center

Hershey, Pennsylvania, United States

Virginia Clinical Research, Inc.

Norfolk, Virginia, United States

Madison Skin & Research, Inc

Madison, Wisconsin, United States

Windsor Clinical Research, Inc.

Windsor, Ontario N8W 5L7, Ontario, Canada

INNOVADERM Research Inc.

Montreal, Quebec, Canada

Centre de Recherche Dermatologique

Québec, Quebec, Canada

Countries

United States; Canada

Other Identifiers

PC TA204/09

Identifier Type: -

Identifier Source: org_study_id