Phase 2 Study of OPA-15406 Ointment in Pediatric Patients With Atopic Dermatitis

July 8, 2020 updated by: Otsuka Pharmaceutical Co., Ltd.

A Multicenter, Randomized, Double-blind, Vehicle-controlled, Parallel-group Trial to Assess the Safety and Efficacy of 0.3% and 1% OPA-15406 Ointments When Administered for 4 Weeks in Pediatric Patients With Atopic Dermatitis

To evaluate the safety, efficacy (dose response) and pharmacokinetics of 0.3% and 1% OPA-15406 when applied twice daily for 4 weeks in pediatric patients with atopic dermatitis.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
73

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Japan
      • Hokkaido Region, Japan
      • Kanto Region, Japan
      • Kinki Region, Japan
      • Kyushu Region, Japan

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

2 years to 14 years (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Diagnosis of atopic dermatitis based on the criteria of Hanifin and Rajka

Exclusion Criteria:

  • Subjects who have an atopic dermatitis or contact dermatitis flare-up defined as a sudden intensification of atopic dermatitis.
  • Subjects who have an active viral skin infection.
  • Subjects with a current or history of malignancy.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: 0.3% OPA-15406 Ointments
Subjects were treated with assigned 0.3% OPA-15406 ointment twice daily.
Drug: OPA-15406
Experimental: 1% OPA-15406 Ointments
Subjects were treated with assigned 1% OPA-15406 ointment twice daily.
Drug: OPA-15406
Placebo Comparator: Placebo Ointments
Subjects were treated with assigned 0% OPA-15406 ointment twice daily.
Drug: Placebos

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
The Number of Subjects Experiencing AEs
Time Frame: Week 0-4

The number of subjects experiencing AEs will be calculated for each treatment group.

Treatment-emergent adverse events (TEAEs) occurring after the start of IMP administration are summarized. The number of subjects with events, the number of events is obtained for all the TEAEs reported.
Week 0-4

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Responder Rate of Investigator's Global Assessment(IGA) of Disease Severity at Week4
Time Frame: Baseline and Week 4
The investigator or subinvestigator assessed the skin symptoms using IGA. The investigator or subinvestigator scored the severity (0 = clear, 1 = almost clear, 2 =mild, 3 = moderate, 4 = severe/very severe) of the overall symptoms of the treatment area (erythema, infiltration, papules, effusion and scab formation) from baseline to Week4. Incidence of success in IGA was defined as the rate of subjects whose IGA score was 0 (clear) or 1 (almost clear) and had improved by at least 2 grades (responders) from baseline.
Baseline and Week 4
Change From Baseline in Eczema Area and Severity Index (EASI) Score
Time Frame: Baseline, Week 4
The investigator or sub investigator assessed the symptoms of AD using EASI. EASI's minimum and maximum scores are 0 and 72 scores respectively. The higher the EASI score is, the more severe the symptoms of AD, and a negative change from the baseline means improvement and a positive change means worsening. The investigator or sub investigator scored the severity (0-3 points) and affected BSA (%) based on the 4 symptoms (erythema, infiltration/papules, excoriation, and lichenification) on the 4 body regions (face, neck and head ; upper limbs ;; and lower limbs). Number of participants analyzed represents number of participants with data at both Baseline and Week4. Participants who have no data were excluded.
Baseline, Week 4
Change From Baseline in Visual Analogue Scale(VAS) for Pruritus Score
Time Frame: Baseline, Week 4
The investigator or subinvestigator evaluated the level of pruritus based on VAS. The subjects aged 7 to 14 years old marked the point of pruritus intensity during the last 24 hours on a 0 to 100mm VAS, with 0 being no pruritis to 100 being very severe pruritis.For subjects aged 2 to 6 years, this would not be evaluated. The negative value showed the degree of improvement.
Baseline, Week 4
Change From Baseline in Verbal Rating Scale(VRS) for Pruritus Score
Time Frame: Baseline, Hour 156

The investigator or subinvestigator evaluated the pruritus intensity based on VRS. The subjects aged 7 to 14 years old evaluated the pruritus intensity according to the following criteria. The subjects recorded the level of pruritus and the time and date of evaluation in a pruritus diary.

0 : None

  1. : Mild
  2. : Moderate
  3. : Severe For subjects aged 2 to 6 years, this would not be evaluated. The negative value showed the degree of improvement.
Baseline, Hour 156
Change From Baseline in Patient-Oriented Eczema Measure(POEM) Score
Time Frame: Baseline, Week 4
The investigator or sub investigator evaluated eczema according to the POEM. The subjects answered 7 questions about their eczema by 0-4 points per question. The POEMS's minimum and maximum scores are 0 and 28 scores respectively. The higher the POEM score is, the more severe the symptoms are, and a negative change from the baseline means improvement and a positive change means worsening. If it is difficult for subjects to answer the questions, their parents answered them instead. Number of participants analyzed represents number of participants with data at both Baseline and Week4. Participants who have no data were excluded.
Baseline, Week 4
Change From Baseline in Percentage Affected Body Surface Area
Time Frame: Baseline, Week 8, 16, 24
The investigator or subinvestigator drew the affected BSA (range of skin eruption at the time of examination) on the human body drawing to determine the affected areas (%) on the respective 4 body regions (face, neck, and head; upper limbs; trunk; and lower limbs). One palm of the subject corresponds to 1% BSA. The negative value showed the degree of improvement.
Baseline, Week 8, 16, 24
Mean (SD) OPA-15406 Plasma Trough Concentrations at week1
Time Frame: Week 1
The plasma concentration of OPA-15406 was measured at Week 1. On the day of measurement, the subjects visited the trial site without morning Investigational Medicinal Product (IMP) administration.
Week 1
Mean (SD) OPA-15406 Plasma Trough Concentrations at week4
Time Frame: week4
The plasma concentration of OPA-15406 was measured at Week 4. On the day of measurement, the subjects visited the trial site without morning Investigational Medicinal Product (IMP) administration.
week4
Mean (SD) Normalized OPA-15406 Plasma Trough Concentrations by Dose Derived From %BSA at week1
Time Frame: week1
The plasma concentration of OPA-15406 was measured at Week 1. On the day of measurement, the subjects visited the trial site without morning Investigational Medicinal Product (IMP) administration.Each plasma concentration was normalized by dose.
week1
Mean (SD) Normalized OPA-15406 Plasma Trough Concentrations by Dose Derived From %BSA at week4
Time Frame: week4
The plasma concentration of OPA-15406 was measured at Week 4. On the day of measurement, the subjects visited the trial site without morning Investigational Medicinal Product (IMP) administration.Each plasma concentration was normalized by dose.
week4

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Otsuka Pharmaceutical Co., Ltd.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 1, 2017

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 1, 2017

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 1, 2017

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
January 6, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 10, 2017

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 12, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
July 23, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 8, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2020

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 271-102-00002
  • JapicCTI-173484 (Other Identifier: Japic)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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