Long-term Trial of OPA-15406 Ointment in Adult and Pediatric Patients With Atopic Dermatitis
A Multicenter, Open-label, Uncontrolled, Long-term Trialto Demonstrate the Safety and Efficacy of 1% OPA-15406 Ointment in Adult Patients With Atopic Dermatitis and of 0.3% and 1% OPA-15406 Ointments in Pediatric Patients With Atopic Dermatitis (Phase 3 Trial)
1 other identifier
interventional
366
1 country
1
Brief Summary
To demonstrate the safety of 1% OPA-15406 ointment in adult patients with AD and of 0.3% and 1% OPA-15406 ointments in pediatric patients with AD administered twice daily for 52 weeks.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started May 2019
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 26, 2019
CompletedStudy Start
First participant enrolled
May 14, 2019
CompletedFirst Posted
Study publicly available on registry
May 23, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 11, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
November 11, 2020
CompletedResults Posted
Study results publicly available
November 19, 2021
CompletedNovember 19, 2021
October 1, 2021
1.5 years
April 26, 2019
October 21, 2021
October 21, 2021
Conditions
Outcome Measures
Primary Outcomes (1)
Number of Subjects Experiencing Treatment-Emergent Adverse Events (TEAEs)
The number of subjects were calculated regarding adverse events occurring after IMP administration (=TEAEs).
Treatment period (52 weeks)
Secondary Outcomes (2)
Responder Rate of Investigator's Global Assessment (IGA)
Week 52
Responder Rate of Eczema Area and Severity Index 75 (EASI 75)
Week 52
Study Arms (2)
0.3% OPA-15406 ointment
EXPERIMENTALTwice daily
1% OPA-15406 ointment
EXPERIMENTALTwice daily
Interventions
Eligibility Criteria
You may qualify if:
- Age: At least 2 years (at time of obtaining informed consent)
- Diagnosis of AD based on the Japanese Dermatological Association's criteria
- Atopic dermatitis affecting ≥5% of body surface area (BSA, excluding scalp) at the screening and baseline examinations
You may not qualify if:
- \- Subjects who have an AD or contact dermatitis flare-up defined as a rapid intensification of AD, within 28 days prior to the baseline examination
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Shirao clinic of pediatrics and pediatric allergy
Hiroshima, Japan
Related Publications (1)
Saeki H, Imamura T, Yokota D, Tsubouchi H. Difamilast Ointment in Japanese Adult and Pediatric Patients with Atopic Dermatitis: A Phase III, Long-Term, Open-Label Study. Dermatol Ther (Heidelb). 2022 Jul;12(7):1589-1601. doi: 10.1007/s13555-022-00751-9. Epub 2022 Jun 18.
PMID: 35716332DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Director of Clinical Trials
- Organization
- Otsuka Pharmaceutical Co., LTD.
Study Officials
- STUDY DIRECTOR
Osamu Sato
Otsuka Pharmaceutical Co., Ltd.
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 26, 2019
First Posted
May 23, 2019
Study Start
May 14, 2019
Primary Completion
November 11, 2020
Study Completion
November 11, 2020
Last Updated
November 19, 2021
Results First Posted
November 19, 2021
Record last verified: 2021-10
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP
- Time Frame
- Data will be available after marketing approval in global markets, or beginning 1-3 years following article Publication. There is no end date to the availability of the data.
- Access Criteria
- Otsuka will share data on an Otsuka-owned remotely accessible data sharing platform with Python and R analytical software. Research requests should be directed to clinicaltransparency@Otsuka-us.com.
Anonymized Individual participant data (IPD) that underlie the results of this study will be shared with researchers to achieve aims pre-specified in a methodologically sound research proposal.