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. 2024 Aug 6;2024(8):CD015064. doi: 10.1002/14651858.CD015064.pub2

NCT01702181.

Study characteristics
Methods Trial design: randomised, quadruple‐blinded (participant, care provider, investigator, outcomes assessor), parallel study
Trial registration number: NCT01702181
Country: USA
Outpatient or hospital: not reported
Date trial conducted: August 2012 to December 2013
Duration of trial participation: 28 days
Inclusion criteria:
· Adult 18 to 65 years of age
· AD affecting ≥ 5% BSA for part 1 and ≥ 10% BSA for part 2 (excluding face, neck, and head)
· Has a positive but inadequate response to standard AD therapy including topical steroids or phototherapy
Exclusion criteria: use of systemic or topical therapy for contact or atopic dermatitis within 30 days of the trial
Additional design details: the phrase "sequential dose cohorts" was used, but no detail was given.
Participants Total number randomised: 92 participants
Age: 18 to 65 years
Sex: all
Ethnicity, duration of eczema, severity of eczema: not reported
Body site: excluding face, neck and head
Number of withdrawals: not reported
Notes: none
Interventions Run‐in details: not reported
Intervention one: difamilast 0.3% ointment used twice daily for 28 days
· Concurrent treatment: not reported
· Other key information: none
Intervention two: difamilast 1% ointment used twice daily for 28 days
· Concurrent treatment: not reported
· Other key information: none
Intervention three: difamilast 3% ointment used twice daily for 28 days
· Concurrent treatment: not reported
· Other key information: none
Comparator: tacrolimus 0.1% ointment used twice daily for 28 days
· Concurrent treatment: not reported
· Other key information: none
Concurrent treatments received alongside both intervention and comparator: not reported
Notes: none
Outcomes · Number of subjects with AE, and% of clinically relevant changes from baseline in Draize Scale, physical examinations, vital signs, laboratory assessments, and electrocardiograms
· Measurement of drug levels in the blood
· IGA
Notes Funding source: Otsuka Pharmaceutical Development & Commercialization, Inc.
Declarations of interest: not declared
Original language of publication: English
Other: none