A Safety Efficacy and Systemic Exposure Study of CD5789 Cream in Adults and Adolescents With Lamellar Ichthyosis

  • End date
    Mar 4, 2022
  • participants needed
  • sponsor
    Mayne Pharma International Pty Ltd
Updated on 19 September 2021


This is a phase 2 randomized, multi-center, double-blind, vehicle controlled, 90 day, safety, efficacy, and systemic exposure study followed by a 90 day open-label extension of trifarotene cream in adults and adolescents with autosomal recessive ichthyosis with lamellar scale.


This is a 2-cohort, multicenter study in subjects with moderate to severe LI. Adults (Cohort

  1. and adults and adolescents (Cohort B) will be randomized in a double-blind fashion to 1 of 2 doses of active or vehicle and treated twice weekly for 90 days. Subjects who complete the randomized, double-blind portion of the study will be eligible to enter a 90 day, open-label extension study.

Approximately 15 adults (18 years old) will be randomized into the first cohort of subjects (Cohort A) in a 1:1:1 ratio and treated twice weekly for up to 90 days. If no safety issues are identified, both adults and adolescents (ages 12-17 years, inclusive) will be allowed to enroll in Cohort B. Subjects in Cohort B will be randomized 1:1:1 and treated twice weekly for up to 90 days in the same manner as subjects in Cohort A.

All subjects who complete 90 days of double-blind study treatment will be eligible to enroll in a 90 open-label extension. Subjects in the open-label extension will receive active twice weekly for up to 90 days.

Condition Harlequin Fetus
Treatment CD5789 Cream 200 µg/g, CD5789 Cream 100 µg/g, CD5789 Cream Vehicle
Clinical Study IdentifierNCT03738800
SponsorMayne Pharma International Pty Ltd
Last Modified on19 September 2021

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