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Tapinarof for the Treatment of Atopic Dermatitis in Children and Adults

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ClinicalTrials.gov Identifier: NCT05014568
Recruitment Status : Recruiting
First Posted : August 20, 2021
Last Update Posted : February 1, 2022
Sponsor:
Information provided by (Responsible Party):
Dermavant Sciences, Inc. ( Dermavant Sciences GmbH )

Study Description
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Brief Summary:
This is a double-blind, randomized, vehicle controlled Phase 3 study to evaluate the efficacy and safety of topical tapinarof cream, 1% compared to vehicle control cream in pediatric and adult subjects with atopic dermatitis.

Condition or disease Intervention/treatment Phase
Atopic Dermatitis Drug: tapinarof cream, 1% Drug: Vehicle cream Phase 3

Detailed Description:
This study is a 8-week double-blind, vehicle-controlled treatment study in which subjects will be randomized to receive tapinarof cream, 1% or vehicle cream once daily for 8 weeks. At the end of the 8-week study treatment, qualified subjects will have the option to enroll in an open-label, long-term extension study for an additional 48 weeks of treatment. Subjects who do not participate in the open-label, long-term extension study will complete a follow-up visit approximately one week after the end of treatment in this study.
Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 400 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Intervention Model Description: Following a 30-day screening period, eligible subjects will be randomized at a 2:1 ratio to receive once daily treatment with tapinarof cream, 1% or vehicle cream.
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Masking Description: The investigator, study center staff, subject, and sponsor will be blinded to treatment assignment.
Primary Purpose: Treatment
Official Title: A Phase 3 Efficacy and Safety Study of Tapinarof for the Treatment of Moderate to Severe Atopic Dermatitis in Children and Adults
Actual Study Start Date : September 1, 2021
Estimated Primary Completion Date : June 2023
Estimated Study Completion Date : August 2023

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Eczema

Arms and Interventions
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Arm Intervention/treatment
Experimental: tapinarof cream
tapinarof cream, 1%, applied topically once daily
 Drug: tapinarof cream, 1%
applied topically once daily
Placebo Comparator: vehicle cream
vehicle cream, applied topically once daily
 Drug: Vehicle cream
applied topically once daily


Outcome Measures
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Primary Outcome Measures :
  1. Proportion of subjects who have a vIGA-AD score of clear or almost clear (0 or 1) at Week 8 [ Time Frame: Baseline to Week 8 ]
    The vIGA-AD is a clinical tool for assessing the current state/severity of a subject's atopic dermatitis at a given timepoint. It is a static 5-point morphological assessment of overall disease severity, as determined by the investigator, using the clinical characteristics of erythema, induration/papulation, lichenification, oozing/crusting.


Secondary Outcome Measures :
  1. Proportion of subjects with ≥ 75% improvement in EASI from Baseline at Week 8 [ Time Frame: Baseline to Week 8 ]
    The eczema area and severity index (EASI) scoring system is a clinical tool that takes into account the overall severity of erythema, edema/papulation, lichenification, and excoriation, and the extent of percent body surface area affected with atopic dermatitis.

  2. Mean change in %BSA affected from Baseline at Week 8 [ Time Frame: Baseline to Week 8 ]
    Assessment of percent body surface area is an estimate of the percentage of total involved skin with atopic dermatitis.

  3. Proportion of subjects with ≥ 90% improvement in EASI from Baseline at Week 8 [ Time Frame: Baseline to Week 8 ]
    The eczema area and severity index (EASI) scoring system is a clinical tool that takes into account the overall severity of erythema, edema/papulation, lichenification, and excoriation, and the extent of percent body surface area affected with atopic dermatitis.

  4. Proportion of subjects ≥ 12 years old with a Baseline PP-NRS score ≥ 4 who achieve ≥ 4-point reduction in the PP NRS from Baseline at Week 8 [ Time Frame: Baseline to Week 8 ]
    The peak pruritus numeric rating scale is used to quickly assess itch/pruritus severity over a 24-hour period which will be used daily to assess peak pruritus.


Eligibility Criteria
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Ages Eligible for Study:   2 Years and older   (Child, Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Male and female subjects ages 2 and above with clinical diagnosis of AD
  • Subject with atopic dermatitis covering ≥5% and ≤ 35% of the BSA
  • A vIGA-AD score of ≥3 at screening and baseline
  • An EASI score of ≥6 at screening and baseline
  • Atopic dermatitis present for at least 6 months for ages 6 years old and above or 3 months for ages 2 to 5 years old
  • Female subjects of childbearing potential who are engaging in sexual activity that could lead to pregnancy should use acceptable birth control methods
  • Must not be pregnant
  • Subject, subject's parent, or legal representative must be capable of giving written informed consent/assent

Exclusion Criteria:

  • Immunocompromised at screening
  • Chronic or acute systemic or superficial infection requiring treatment with systemic antibacterials or antifungals within one week prior to baseline visit
  • Significant dermatological or inflammatory condition other than AD that, in the Investigator's opinion, would make it difficult to interpret data or assessments during the study
  • Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥2.0x the upper limit of normal (ULN).
  • Screening total bilirubin > 1.5x ULN
  • Current or chronic history of liver disease
  • Current or history of cancer within 5 years except for adequately treated cutaneous basal cell carcinoma, squamous cell carcinoma or carcinoma in situ of the cervix
  • Subjects who would not be considered suitable for topical therapy
  • Use of any prohibited medication or procedure within the indicated period before the baseline visit including other investigational product within 30 days or 5 half-lives of the investigational product (whichever is longer)
  • History of or ongoing serious illness or medical, physical, or psychiatric condition(s) that, in the Investigator's opinion, may interfere with the subject's participation in the study, interpretation of results, or ability to understand and give informed consent.
  • Pregnant or lactating females
  • History of sensitivity to the study medications, or components thereof or a history of drug or other allergy that, in the opinion of the Investigator or Medical Monitor, contraindicates their participation
  • Previous known participation in a clinical study with tapinarof (previously known as GSK2894512 and WBI-1001)
Contacts and Locations
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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): NCT05014568


Contacts
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Contact: Philip Brown, MD, JD 480-666-0844 dermavantclinicaltrials@dermavant.com

Locations
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Sponsors and Collaborators
Dermavant Sciences GmbH
Investigators
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Study Director: Diana Villalobos Dermavant Sciences, Inc.
More Information
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Publications of Results:
Cappon GD and Hurtt ME. Developmental toxicity of the kidney. In: Kapp RW and Yyl L, editors. Reproductive Toxicology, Target Organ Series, 3rd edition. New York:Informa Healthcare, 2010:193-204
Frazier KS and Seely JC. Urinary system. In: Sahota PS, Popp JA, Hardisty JF and Gopinath C, editors. Toxicologic Pathology: Nonclinical Safety Assessment. CRC Press, 2013:421-84.
Hanifin JM, Rajka G. Diagnostic features of atopic dermatitis. Acta Dermato-Venereologica Supplementum. 1980;92:44-7.

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Responsible Party: Dermavant Sciences GmbH
ClinicalTrials.gov Identifier: NCT05014568    
Other Study ID Numbers: DMVT-505-3101
First Posted: August 20, 2021    Key Record Dates
Last Update Posted: February 1, 2022
Last Verified: September 2021
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Dermavant Sciences, Inc. ( Dermavant Sciences GmbH ):
eczema
pediatric
tapinarof
phase 3
topical
Additional relevant MeSH terms:
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Dermatitis, Atopic
Dermatitis
Eczema
Skin Diseases
Skin Diseases, Genetic
 Genetic Diseases, Inborn
Skin Diseases, Eczematous
Hypersensitivity, Immediate
Hypersensitivity
Immune System Diseases