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A Study to Evaluate Safety and Equivalence of Generic Azelaic Acid Foam and Finacea® Foam in Participants With Rosacea

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT03287791
Recruitment Status : Completed
First Posted : September 19, 2017
Results First Posted : July 17, 2019
Last Update Posted : July 31, 2019
Sponsor:
Information provided by (Responsible Party):
Actavis Inc.

Brief Summary:
The objectives of this study were to compare the safety and efficacy profiles of a generic Azelaic Acid Foam, 15% to the reference listed Finacea® (azelaic acid) Foam, 15% and to demonstrate therapeutic equivalence and safety of the two active foams in the treatment of moderate facial rosacea, and to demonstrate superiority of the Reference and Test products over the Vehicle.

Condition or disease Intervention/treatment Phase
Rosacea Drug: Generic Azelaic Acid Foam Drug: Finacea® (Azelaic Acid) Foam Drug: Vehicle Foam Other: Cleanser Other: Sunscreen Other: Towel Other: Moisturizing Lotion Phase 3

Detailed Description:
Topical azelaic acid is used to treat inflammatory papules and pustules of mild to moderate rosacea. Other topical therapies and oral antibiotics are also used to treat rosacea symptoms. Finacea® (azelaic acid) Foam, 15% contains azelaic acid, a naturally occurring saturated dicarboxylic acid that has proven anti-inflammatory effects, as well as anti-keratinizing and antimicrobial actions.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 924 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Multicenter, Double-Blind, Randomized, Parallel-Group, Vehicle-Controlled Study to Evaluate Safety and Clinical Equivalence of a Generic Azelaic Acid Foam, 15% and the Reference Listed Finacea® (Azelaic Acid) Foam,15% in Patients With Moderate Facial Rosacea
Actual Study Start Date : July 19, 2016
Actual Primary Completion Date : June 22, 2017
Actual Study Completion Date : June 22, 2017

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Rosacea

Arm Intervention/treatment
Experimental: Generic Azelaic Acid Foam
A thin layer of generic azelaic acid, 15% topical foam was to be gently massaged into the entire facial area twice daily, once in the morning and once in the evening, for 12 weeks. Contact with the mouth, eyes, and other mucous membranes was to be avoided. Hands were to be washed following application of study drug. Participants were instructed not to bathe, shower, wash, or swim for at least 4 hours after application of study drug. Participants were provided with mild cleanser, a towel, sunscreen, and moisturizing lotion to be used on treated areas while participating in the study.
Drug: Generic Azelaic Acid Foam
Topical foam, generic formulation of the brand product.

Other: Cleanser
A mild cleanser provided to participants, so they can wash their face prior to applying the study drug.

Other: Sunscreen
Sunscreen provided to participants, so they can apply it to their face when outdoors.

Other: Towel
A soft towel provided to participants, so they can pat their face dry after washing and prior to applying the study drug.

Other: Moisturizing Lotion
Moisturizing lotion provided to participants, so they can apply it to their face, as needed.

Active Comparator: Finacea® (Azelaic Acid) Foam
A thin layer of Finacea (azelaic acid), 15% topical foam was to be gently massaged into the entire facial area twice daily, once in the morning and once in the evening, for 12 weeks. Contact with the mouth, eyes, and other mucous membranes was to be avoided. Hands were to be washed following application of study drug. Participants were instructed not to bathe, shower, wash, or swim for at least 4 hours after application of study drug. Participants were provided with mild cleanser, a towel, sunscreen, and moisturizing lotion to be used on treated areas while participating in the study.
Drug: Finacea® (Azelaic Acid) Foam
Topical foam, brand product.

Other: Cleanser
A mild cleanser provided to participants, so they can wash their face prior to applying the study drug.

Other: Sunscreen
Sunscreen provided to participants, so they can apply it to their face when outdoors.

Other: Towel
A soft towel provided to participants, so they can pat their face dry after washing and prior to applying the study drug.

Other: Moisturizing Lotion
Moisturizing lotion provided to participants, so they can apply it to their face, as needed.

Placebo Comparator: Vehicle Foam
A thin layer of the vehicle topical foam was to be gently massaged into the entire facial area twice daily, once in the morning and once in the evening, for 12 weeks. Contact with the mouth, eyes, and other mucous membranes was to be avoided. Hands were to be washed following application of study drug. Participants were instructed not to bathe, shower, wash, or swim for at least 4 hours after application of study drug. Participants were provided with mild cleanser, a towel, sunscreen, and moisturizing lotion to be used on treated areas while participating in the study.
Drug: Vehicle Foam
Topical foam, placebo. Has no active ingredient.

Other: Cleanser
A mild cleanser provided to participants, so they can wash their face prior to applying the study drug.

Other: Sunscreen
Sunscreen provided to participants, so they can apply it to their face when outdoors.

Other: Towel
A soft towel provided to participants, so they can pat their face dry after washing and prior to applying the study drug.

Other: Moisturizing Lotion
Moisturizing lotion provided to participants, so they can apply it to their face, as needed.




Primary Outcome Measures :
  1. Percent Change From Baseline in the Inflammatory Lesions (Papules and Pustules) Counts at Week 12 [ Time Frame: Baseline, 12 weeks ]
    All facial papules, pustules, and nodules, located above the jaw line and extending to the hairline, were counted. When counting facial lesions, lesions present on the nose were included. The total count for each lesion type was recorded and the total number of inflammatory lesions (papules and pustules) were calculated. A papule with a pustule on its apex was counted as a pustule. Counts of nodules and cysts were reported separately and not included in the inflammatory counts. Papule defined as inflammatory lesion; small (≤5 mm in diameter), solid palpable lesion, usually with inflamed elevation of the skin that does not contain pus. Pustule defined as inflammatory lesion; small (≤5 mm in diameter), inflamed skin swelling that is filled with pus. Cyst and nodule defined as palpable solid or soft lesion >5 mm in diameter.


Secondary Outcome Measures :
  1. Percentage of Participants With Treatment Success Based on IGE Score [ Time Frame: Baseline and 12 Weeks ]
    Treatment success defined as an Investigator's Global Evaluation (IGE) score at Week 12 of 0 (clear) or 1 (almost clear). Any other outcome was considered a failure. Participants who were discontinued prematurely from the study due to lack of treatment effect after at least 8 weeks of compliant treatment were considered as treatment failures. The IGE score was based on a 5-point scale ranging from 0 to 4 (0=clear, 1=almost clear, 2=mild, 3=moderate, and 4=severe).



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Participants had to be willing and able to provide written informed consent for the study
  • Healthy males or non-pregnant females ≥18 years-of-age with a clinical diagnosis of moderate facial rosacea
  • Participants had to have at least 8 and not more than 50 inflammatory facial lesions (that is, papules/pustules) and ≤2 nodules on the face. For the purposes of study treatment and evaluation, these lesions were limited to the facial treatment area including those present on the nose. Lesions involving the eyes and scalp were excluded from the count.
  • Participants had to have persistent erythema on the face with moderate (3) score
  • Participants had to have a mild (1) to moderate (2) score for telangiectasia on the face
  • Participants had to have a definite clinical diagnosis of moderate facial rosacea (severity score 3)
  • Participants had to be willing to minimize external factors that might trigger rosacea flare-ups (for example, spicy foods, thermally hot foods and drinks, hot environments, prolonged sun exposure, strong winds, and alcoholic beverages) during the course of the study
  • Participants had to be in general good health and free from any clinically significant disease other than rosacea on the face, that could have interfered with the study evaluations
  • Participants had to be willing and able to understand and comply with the requirements of the study, apply the medication as instructed, return for the required treatment period visits, comply with therapy prohibitions, and able to complete the study
  • Male participants and female participants of childbearing potential had to use accepted methods of birth control or had to agree to practice abstinence, from study start to 30 days after the last administration of study drug. All female participants were considered to be of childbearing potential unless they had been surgically sterilized (hysterectomy, bilateral oophorectomy, or tubal ligation) or had been postmenopausal for at least a year. Any of the following methods of birth control were acceptable: oral contraceptives, contraceptive patches/implants (for example, Norplant®), vaginal ring (NuvaRing®), Depo-Provera® (Medroxy progesterone acetate), double barrier methods (for example, condom and spermicide), or intrauterine device
  • Female participants of child bearing potential had to have a negative urine pregnancy test at baseline
  • Participants who used make-up had to have used the same brands/types of make-up for a minimum period of 14 days prior to study entry and had to agree to use the same make-up, brand/type, or frequency of use, throughout the study

Exclusion Criteria:

  • Pregnant or lactating or planning to become pregnant during the study period
  • Presence of any skin condition on the face that could have interfered with the diagnosis or assessment of rosacea
  • Excessive facial hair (for example, beards, sideburns, moustaches) that would interfere could have interfered with diagnosis or assessment of rosacea
  • History of hypersensitivity or allergy to azelaic acid, propylene glycol, or any other component of the formulation
  • The use within 6 months prior to baseline of oral retinoids (for example, Accutane®) or therapeutic Vitamin A supplements of greater than 10,000 units/day (multivitamins were allowed)
  • The use of estrogens or oral contraceptives for less than 3 months prior to baseline
  • The use within 1 month prior to baseline of the following:

    • topical retinoids to the face
    • systemic antibiotics known to have an impact on the severity of facial rosacea (for example, containing tetracycline and its derivatives, erythromycin and its derivatives, sulfamethoxazole, or trimethoprim)
    • systemic corticosteroids
  • Use within two weeks prior to baseline of the following:

    • topical corticosteroids
    • topical antibiotics
    • topical medications for rosacea (for example, metronidazole, azelaic acid)
  • Antipruritics, including antihistamines, within 24 hours of any study visit
  • Participants with moderate or severe rhinophyma, dense telangiectasia (score 3, severe), or plaque-like facial edema
  • Participants with a severe irritation grade for erythema, dryness, scaling, pruritus, stinging/burning, and edema
  • Ocular rosacea (for example, conjunctivitis, blepharitis, or keratitis) of sufficient severity to require topical or systemic antibiotics
  • A participant who had used a sauna during the 2 weeks prior to study entry and during the study
  • Participants who had performed wax epilation of the face within 14 days prior to baseline
  • A participant who had a history of being unresponsive to topical azelaic acid therapy
  • A participant who had any clinically significant condition or situation, other than the condition being studied that, in the opinion of the Investigator, could have interfered with the study evaluations or optimal participation in the study
  • A participant who had used any topical azelaic acid therapy within 30 days of baseline visit
  • Participants who had participated in an investigational drug study (for example, participants had been treated with an investigational drug) within 30 days prior to baseline were excluded from study participation. Participants who were participating in non-treatment studies such as observational studies or registry studies could be considered for inclusion
  • Participants who had been previously randomized in this study
  • Participants who had laser therapy (for telangiectasia or other conditions) and phototherapy to the facial area within 180 days prior to study entry
  • Participants who had cosmetic procedures (for example, facials), which could affect the efficacy and safety profile of the investigational product within 14 days prior to study entry
  • Employees or staff of the research site were excluded from participation in the study
  • No more than 1 participant from the same household was allowed to participate in the study

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03287791


Locations
Show Show 26 study locations
Sponsors and Collaborators
Actavis Inc.
Investigators
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Study Director: Study Director Teva Pharmaceuticals USA
  Study Documents (Full-Text)

Documents provided by Actavis Inc.:
Study Protocol  [PDF] March 28, 2016
Statistical Analysis Plan  [PDF] April 6, 2017

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Responsible Party: Actavis Inc.
ClinicalTrials.gov Identifier: NCT03287791    
Other Study ID Numbers: ACTA/AZEL/2015
First Posted: September 19, 2017    Key Record Dates
Results First Posted: July 17, 2019
Last Update Posted: July 31, 2019
Last Verified: July 2019

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Rosacea
Skin Diseases
Azelaic acid
Sunscreening Agents
Radiation-Protective Agents
Protective Agents
Physiological Effects of Drugs
Dermatologic Agents
Antineoplastic Agents