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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04154293
Registration number
NCT04154293
Ethics application status
Date submitted
1/11/2019
Date registered
6/11/2019
Date last updated
25/08/2022
Titles & IDs
Public title
A Vehicle Controlled Study to Evaluate Safety and Efficacy of Topical TMB-001 for Treatment of Congenital Ichthyosis
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Scientific title
A Randomized, Parallel, Double-Blind, Vehicle Controlled Study to Evaluate the Safety and Efficacy of Two Concentrations of Topical TMB-001 for the Treatment of Congenital Ichthyosis
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Secondary ID [1]
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1R01FD006079-01A1
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Secondary ID [2]
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235-9051-202
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Congenital Ichthyosis
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Condition category
Condition code
Skin
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Other skin conditions
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Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Isotretinoin
Other interventions - Vehicle
Placebo comparator: Vehicle Ointment (Control) - Topical, BID (Twice daily)
Experimental: TMB-001 Ointment, 0.05% - Topical, BID ( twice daily)
Experimental: TMB-001 Ointment, 0.1% - Topical, BID (Twice daily)
Treatment: Drugs: Isotretinoin
Topical Isotretinoin ointment
Other interventions: Vehicle
Topical Vehicle Ointment
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Intervention code [1]
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Treatment: Drugs
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Intervention code [2]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Number of Subjects With Reduction in Targeted Ichthyosis Severity Using the Visual Index for Ichthyosis Severity Measurement
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Assessment method [1]
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Number of subjects with Visual Index for Ichthyosis Severity (VIIS) treatment success, defined as 50% or greater decreased in VIIS scaling score
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Timepoint [1]
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12 weeks
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Secondary outcome [1]
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Number of Subjects With Reduction in Overall Ichthyosis Severity as Measured With Investigator Global Assessment
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Assessment method [1]
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Number of subjects with Investigator Global Assessment decrease in disease severity by at least 2 grades
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Timepoint [1]
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12 weeks
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Secondary outcome [2]
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Change in I-NRS (Itch-Numeric Rating Scale) From Baseline at Week 12
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Assessment method [2]
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Mean numeric Change from baseline in Itch-Numeric Rating Scale (I-NRS) at Week 12 for entire population. I-NRS is an 11-point visual analogue scale scored based upon 0 being no itch and 10 being worst itch imaginable. Subjects were asked to grade their itch on such a scale at each visit where I-NRS was administered. A 4-point change from baseline is considered clinically significant
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Timepoint [2]
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12 weeks
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Secondary outcome [3]
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Change From Baseline in Dermatology Life Quality Index (DLQI) at Week 12
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Assessment method [3]
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Change from Baseline in Dermatology Life Quality Index (DLQI) at Week 12 in all adult subjects.
The DLQI is validated in all subjects over age 16 years and is a 10-question questionnaire which requests information on how the dermatological condition affects different aspects of their life. Each question is scored on a 0-3 scale (0=no impact, 3=major impact) for a total possible maximal score of 30. Scores over 11 in adults are considered to indicate moderate impairment of quality of life due to the skin disease. A 4-point improvement from baseline is considered clinically significant
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Timepoint [3]
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12 weeks
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Eligibility
Key inclusion criteria
* Subject is male or female, 9 years of age or older at Visit 2 (Baseline)
* Subject has provided written informed consent
* Females of child bearing potential must be surgically sterile or agree to 2 forms of birth control
* Subject has clinical diagnosis of Congenital Ichthyosis with genetic confirmation of subtype
* Subject has between 10% and 90% total BSA affected by Congenital Ichthyosis
* Subject has at least 2 VIIS assessment areas with a scaling score of 3 or greater
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Minimum age
9
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Subject has inflammatory skin diseases unrelated to ichthyosis
* Subject has used other prohibited topical treatments in the assessment areas within certain days from baseline
* Subject has used systemic retinoids within12 weeks of baseline
* Subject has untreated secondary infections
* Subject has lesions suspicious for skin cancer or untreated skin cancers
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
3/12/2019
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
30/08/2021
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Sample size
Target
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Accrual to date
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Final
34
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Recruitment in Australia
Recruitment state(s)
QLD,SydneyVIC
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Recruitment hospital [1]
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Queensland Children's Hospital - Brisbane
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Recruitment hospital [2]
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Premier Specialists, The church - Kogarah
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Recruitment hospital [3]
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Murdoch Children's Research Institute, RCH - Melbourne
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Recruitment postcode(s) [1]
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4101 - Brisbane
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Recruitment postcode(s) [2]
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NSW 2217 - Kogarah
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Recruitment postcode(s) [3]
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3052 - Melbourne
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Recruitment outside Australia
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United States of America
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State/province [1]
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Arizona
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California
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United States of America
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Connecticut
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Indiana
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United States of America
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Louisiana
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United States of America
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Minnesota
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United States of America
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Ohio
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United States of America
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State/province [8]
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Pennsylvania
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Timber Pharmaceuticals Inc.
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to investigate the efficacy and safety of two concentrations of topically applied ointment formulation of isotretinoin called TMB-001 (0.05% and 0.1% isotretinoin) in subjects 9 years of age and older for the treatment of congenital ichthyosis (CI), including recessive X-linked ichthyosis (RXLI) and autosomal recessive congenital ichthyosis-lamellar ichthyosis (ARCI-LI) subtypes. Funding Source FDA-OOPD
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Trial website
https://clinicaltrials.gov/study/NCT04154293
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Alan M Mendelsohn, MD
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Address
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Timber Pharmaceuticals
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Type
Other Details
Attachment
Study protocol
https://cdn.clinicaltrials.gov/large-docs/93/NCT04154293/Prot_000.pdf
Statistical analysis plan
https://cdn.clinicaltrials.gov/large-docs/93/NCT04154293/SAP_001.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT04154293
Download to PDF