Study of an Anti-OX40 Monoclonal Antibody (KHK4083) in Subjects With Moderate to Severe Atopic Dermatitis

April 24, 2024 updated by: Kyowa Kirin, Inc.

A Phase 2, Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled Study of an Anti-OX40 Monoclonal Antibody (KHK4083) in Subjects With Moderate to Severe Atopic Dermatitis (AD)

A Phase 2, multicenter, randomized, placebo-controlled, double-blind, parallel-group study for subjects with moderate to severe AD whose disease cannot be adequately controlled with topical medications or for whom topical treatment is medically inadvisable.

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.
274

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

  • Canada
    • Ontario
      • Markham, Ontario, Canada
        • Kyowa Investigational Site CA-02
      • Richmond Hill, Ontario, Canada
        • Kyowa Investigational Site CA-03
      • Richmond Hill, Ontario, Canada
        • Kyowa Investigational Site CA-08
    • Quebec
      • Quebec City, Quebec, Canada
        • Kyowa Investigational Site CA-07
      • Quebec City, Quebec, Canada
        • Kyowa Investigational Site CA-09
      • Sherbrooke, Quebec, Canada
        • Kyowa Investigational Site CA-04
  • Germany
      • Aachen, Germany
        • Kyowa Investigational Site GE-13
      • Berlin, Germany
        • Kyowa Investigational Site GE-07
      • Berlin, Germany
        • Kyowa Investigational Site GE-14
      • Darmstadt, Germany
        • Kyowa Investigational Site GE-08
      • Frankfurt am Main, Germany
        • Kyowa Investigational Site GE-05
      • Hamburg, Germany
        • Kyowa Investigational Site GE-02
      • Hannover, Germany
        • Kyowa Investigational Site GE-11
      • Langenau, Germany
        • Kyowa Investigational Site GE-01
  • Japan
      • Aichi, Japan
        • Kyowa Investigational Site JP-17
      • Aichi, Japan
        • Kyowa Investigational Site JP-27
      • Chiba, Japan
        • Kyowa Investigational Site JP-24
      • Fukuoka, Japan
        • Kyowa Investigational Site JP-08
      • Fukuoka, Japan
        • Kyowa Investigational Site JP-09
      • Fukuoka, Japan
        • Kyowa Investigational Site JP-12
      • Fukuoka, Japan
        • Kyowa Investigational Site JP-19
      • Fukuoka, Japan
        • Kyowa Investigational Site JP-26
      • Gifu, Japan
        • Kyowa Investigational Site JP-14
      • Hokkaido, Japan
        • Kyowa Investigational Site JP-01
      • Hokkaido, Japan
        • Kyowa Investigational Site JP-02
      • Hokkaido, Japan
        • Kyowa Investigational Site JP-04
      • Hokkaido, Japan
        • Kyowa Investigational Site JP-29
      • Ibaraki, Japan
        • Kyowa Investigational Site JP-31
      • Kagoshima, Japan
        • Kyowa Investigational Site JP-10
      • Kagoshima, Japan
        • Kyowa Investigational Site JP-11
      • Kanagawa, Japan
        • Kyowa Investigational Site JP-05
      • Kanagawa, Japan
        • Kyowa Investigational Site JP-06
      • Kanagawa, Japan
        • Kyowa Investigational Site JP-21
      • Mie, Japan
        • Kyowa Investigational Site JP-18
      • Miyagi, Japan
        • Kyowa Investigational Site JP-20
      • Morioka, Japan
        • Kyowa Investigational Site JP-28
      • Shimane, Japan
        • Kyowa Investigational Site JP-25
      • Tochigi, Japan
        • Kyowa Investigational Site JP-15
      • Tokyo, Japan
        • Kyowa Investigational Site JP-03
      • Tokyo, Japan
        • Kyowa Investigational Site JP-07
      • Tokyo, Japan
        • Kyowa Investigational Site JP-13
      • Tokyo, Japan
        • Kyowa Investigational Site JP-16
      • Tokyo, Japan
        • Kyowa Investigational Site JP-22
      • Tokyo, Japan
        • Kyowa Investigational Site JP-23
      • Tokyo, Japan
        • Kyowa Investigational Site JP-30
  • United States
    • California
      • Huntington Beach, California, United States, 92647
        • Kyowa Investigational Site US-19
      • Irvine, California, United States, 92697
        • Kyowa Investigational Site US-17
      • Los Angeles, California, United States, 90033
        • Kyowa Investigational Site US-09
      • Santa Ana, California, United States, 92701
        • Kyowa Investigational Site US-05
    • Colorado
      • Aurora, Colorado, United States, 80010
        • Kyowa Investigational Site US-10
    • Florida
      • Clearwater, Florida, United States, 33756
        • Kyowa Investigational Site US-14
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Kyowa Investigational Site US-04
    • New York
      • New York, New York, United States, 10029
        • Kyowa Investigational Site US-01
    • North Carolina
      • Charlotte, North Carolina, United States, 28277
        • Kyowa Investigational Site US-20
    • Ohio
      • Cleveland, Ohio, United States, 44106
        • Kyowa Investigational Site US-11
    • Oregon
      • Portland, Oregon, United States, 97239
        • Kyowa Investigational Site US-08
    • Texas
      • Dallas, Texas, United States, 75230
        • Kyowa Investigational Site US-02
      • Galveston, Texas, United States, 77555
        • Kyowa Investigational Site US-07

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

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Voluntarily signed informed consent to participate in the study;
  • Chronic AD, according to American Academy of Dermatology Consensus Criteria or the local diagnostic criteria, that has been present for at least 1 year before screening;
  • EASI score ≥16 at screening and baseline;
  • IGA score ≥3 (moderate) at both screening and baseline;
  • BSA ≥10% at both screening and baseline;
  • Documented recent history (within 1 year prior to screening visit) of inadequate response to treatment with topical medications or for whom topical treatments are otherwise medically inadvisable (e.g., because of important side effects or safety risks).

Exclusion Criteria:

  • Current or past history of clinically significant illness(es) deemed by the Investigator to be likely to affect the study conduct and assessments. Examples include, but are not limited to, clinically significant cardiovascular (e.g., New York Heart Association [NYHA] Class III or IV), uncontrolled diabetes (HbA1c ≥9%), liver (e.g., Child-Pugh class B or C), renal, respiratory, hematologic, central nervous system, psychiatric, or autoimmune diseases/disorders;

  • Any of the following laboratory abnormalities at screening:

    • Serum creatinine: >1.5 mg/dL
    • AST or ALT: ≥2.5 times the upper limit of normal (ULN)
    • Neutrophil count: <1.5×10³/μL
    • Other laboratory abnormalities that may affect the completion or evaluation of the study, as judged by the Investigator;
  • Active malignancies, or onset or a history of treatment of malignancies within 5 years prior to informed consent (except curatively treated in situ cervical carcinoma, cutaneous basal cell carcinoma, or cutaneous squamous cell carcinoma).

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.
Placebo Comparator: Arm A
Subcutaneous administration of placebo
Drug: Placebo
Matching placebo
Experimental: Arm B
Subcutaneous administration of KHK4083 (dose level 1, dosing regimen 2)
Drug: KHK4083
Anti-OX40 Monoclonal Antibody KHK4083
Experimental: Arm C
Subcutaneous administration of KHK4083 (dose level 2, dosing regimen 1)
Drug: KHK4083
Anti-OX40 Monoclonal Antibody KHK4083
Experimental: Arm D
Subcutaneous administration of KHK4083 (dose level 3, dosing regimen 1)
Drug: KHK4083
Anti-OX40 Monoclonal Antibody KHK4083
Experimental: Arm E
Subcutaneous administration of KHK4083 (dose level 3, dosing regimen 2)
Drug: KHK4083
Anti-OX40 Monoclonal Antibody KHK4083

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
Percent Change From Baseline to Week 16 in Eczema Area and Severity Index (EASI) Score
Time Frame: Baseline to Week 16
In the EASI assessment, the severity of 4 elements of eczema (erythema, induration/papulation, excoriation, and lichenification) at each of 4 body regions (head and neck, trunk, upper extremities, and lower extremities) will be assessed on a scale of 0 to 3 (0 = None , 1 = Mild, 2 = Moderate, 3 = Severe). Half scores (1.5 and 2.5) are allowed, with the exception of 0.5. Any signs must be at least 1 (mild) in severity. In addition, the extent of eczema at each of the 4 body regions will be assessed on a scale of 0 to 6 (0 = 0%, 1 = 1% to 9%, 2 = 10% to 29%, 3 = 30% to 49%, 4 = 50% to 69%, 5 = 70% to 89%, 6 = 90% to 100%). Scores calculated according to the expression "total score of 4 elements of eczema × area score of eczema" will be multiplied by 0.1 for head and neck, 0.2 for upper extremities, 0.3 for trunk, and 0.4 for lower extremities. The 4 region scores obtained will then be summed up (maximum score: 72) as EASI score.
Baseline to Week 16

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
Achievement of 50%, 75%, or 90% Reduction From Baseline in Eczema Area and Severity Index (EASI) Score (EASI-50, EASI-75, or EASI-90) at Week 16
Time Frame: Baseline to Week 16
In the EASI assessment, the severity of 4 elements of eczema (erythema, induration/papulation, excoriation, and lichenification) at each of 4 body regions (head and neck, trunk, upper extremities, and lower extremities) will be assessed on a scale of 0 to 3 (0 = None , 1 = Mild, 2 = Moderate, 3 = Severe). Half scores (1.5 and 2.5) are allowed, with the exception of 0.5. Any signs must be at least 1 (mild) in severity. In addition, the extent of eczema at each of the 4 body regions will be assessed on a scale of 0 to 6 (0 = 0%, 1 = 1% to 9%, 2 = 10% to 29%, 3 = 30% to 49%, 4 = 50% to 69%, 5 = 70% to 89%, 6 = 90% to 100%). Scores calculated according to the expression "total score of 4 elements of eczema × area score of eczema" will be multiplied by 0.1 for head and neck, 0.2 for upper extremities, 0.3 for trunk, and 0.4 for lower extremities. The 4 region scores obtained will then be summed up (maximum score: 72) as EASI score.
Baseline to Week 16
Change From Baseline to Week 16 in Eczema Area and Severity Index (EASI) Score
Time Frame: Baseline to Week 16
In the EASI assessment, the severity of 4 elements of eczema (erythema, induration/papulation, excoriation, and lichenification) at each of 4 body regions (head and neck, trunk, upper extremities, and lower extremities) will be assessed on a scale of 0 to 3 (0 = None , 1 = Mild, 2 = Moderate, 3 = Severe). Half scores (1.5 and 2.5) are allowed, with the exception of 0.5. Any signs must be at least 1 (mild) in severity. In addition, the extent of eczema at each of the 4 body regions will be assessed on a scale of 0 to 6 (0 = 0%, 1 = 1% to 9%, 2 = 10% to 29%, 3 = 30% to 49%, 4 = 50% to 69%, 5 = 70% to 89%, 6 = 90% to 100%). Scores calculated according to the expression "total score of 4 elements of eczema × area score of eczema" will be multiplied by 0.1 for head and neck, 0.2 for upper extremities, 0.3 for trunk, and 0.4 for lower extremities. The 4 region scores obtained will then be summed up (maximum score: 72) as EASI score.
Baseline to Week 16
Change From Baseline to Week 16 in SCORing Atopic Dermatitis (SCORAD) Score
Time Frame: Baseline to Week 16
In the SCORAD assessment, the extent of AD will be calculated as the sum of the percentage of each defined body area, with a maximum score of 100% (assigned as "A" in the overall SCORAD calculation). The severity of 6 specific symptoms of AD will be assessed using the following scale: 0 = none, 1 = mild, 2 = moderate, 3 = severe, with a maximum score of 18 (assigned as "B" in the overall SCORAD calculation). Itch and sleeplessness will be assessed by subjects on a visual analogue scale (VAS), where 0 is no itch (or sleeplessness) and 10 is the worst imaginable itch (or sleeplessness), with a maximum score of 20 (assigned as "C" in the overall SCORAD calculation). The SCORAD score is calculated as A/5 + 7B/2 + C. The maximum possible SCORAD score is 103; higher scores indicate poorer or more severe condition.
Baseline to Week 16
Percent Change From Baseline to Week 16 in SCORing Atopic Dermatitis (SCORAD) Score
Time Frame: Baseline to Week 16
In the SCORAD assessment, the extent of AD will be calculated as the sum of the percentage of each defined body area, with a maximum score of 100% (assigned as "A" in the overall SCORAD calculation). The severity of 6 specific symptoms of AD will be assessed using the following scale: 0 = none, 1 = mild, 2 = moderate, 3 = severe, with a maximum score of 18 (assigned as "B" in the overall SCORAD calculation). Itch and sleeplessness will be assessed by subjects on a visual analogue scale (VAS), where 0 is no itch (or sleeplessness) and 10 is the worst imaginable itch (or sleeplessness), with a maximum score of 20 (assigned as "C" in the overall SCORAD calculation). The SCORAD score is calculated as A/5 + 7B/2 + C. The maximum possible SCORAD score is 103; higher scores indicate poorer or more severe condition.
Baseline to Week 16
Achievement of an Investigator's Global Assessment (IGA) Score of 0 or 1 and a Reduction From Baseline of ≥2 Points at Week 16
Time Frame: Baseline to Week 16
In the IGA, the Investigator will evaluate the overall skin symptoms of subjects at each visit on a 5-point scale ranging from 0 (clear) to 4 (severe).
Baseline to Week 16
Change From Baseline to Week 16 in Percent Body Surface Area of Involvement of AD (BSA)
Time Frame: Baseline to Week 16
The Investigator will calculate the percentage (%) of the total body surface area affected by AD.
Baseline to Week 16
Change From Baseline to Week 16 in Pruritus Numerical Rating Scale (NRS) Score
Time Frame: Baseline to Week 16
The worst degree of itch experienced during 24 hours before the time point will be assessed on a Numerical Rating Scale. The degree of itch will be scored on an 11-point scale, with 0 being "no itch" and 10 being the "worst itch imaginable."
Baseline to Week 16
Percent Change From Baseline to Week 16 in Pruritus Numerical Rating Scale (NRS) Score
Time Frame: Baseline to Week 16
The worst degree of itch experienced during 24 hours before the time point will be assessed on a Numerical Rating Scale. The degree of itch will be scored on an 11-point scale, with 0 being "no itch" and 10 being the "worst itch imaginable."
Baseline to Week 16
Change From Baseline to Week 16 in Sleep Disturbance Numerical Rating Scale (NRS) Score
Time Frame: Baseline to Week 16
Daily sleep disturbance in the last 24 hours before the relevant time point will be assessed on a Numerical Rating Scale. Subjects will score the degree of their sleep disturbance on an 11-point scale ranging from 'no sleep loss' (0) to 'I cannot sleep at all' (10).
Baseline to Week 16
Percent Change From Baseline to Week 16 in Sleep Disturbance Numerical Rating Scale (NRS) Score
Time Frame: Baseline to Week 16
Daily sleep disturbance in the last 24 hours before the relevant time point will be assessed on a Numerical Rating Scale. Subjects will score the degree of their sleep disturbance on an 11-point scale ranging from 'no sleep loss' (0) to 'I cannot sleep at all' (10).
Baseline to Week 16
Change From Baseline to Week 16 in Dermatology Life Quality Index (DLQI)
Time Frame: Baseline to Week 16
DLQI consists of 6 subscales (symptoms and feelings, daily activities, leisure, work and school, personal relationships, and treatment), which are scored from 0 to 3 on the basis of 10 questions. The DLQI is calculated by summing the score of each question resulting in a maximum of 30 and a minimum of 0. The higher the score, the more QoL is impaired.
Baseline to Week 16
EASI Score at Each Time Point
Time Frame: 56 Weeks
In the EASI assessment, the severity of 4 elements of eczema (erythema, induration/papulation, excoriation, and lichenification) at each of 4 body regions (head and neck, trunk, upper extremities, and lower extremities) will be assessed on a scale of 0 to 3 (0 = None , 1 = Mild, 2 = Moderate, 3 = Severe). Half scores (1.5 and 2.5) are allowed, with the exception of 0.5. Any signs must be at least 1 (mild) in severity. In addition, the extent of eczema at each of the 4 body regions will be assessed on a scale of 0 to 6 (0 = 0%, 1 = 1% to 9%, 2 = 10% to 29%, 3 = 30% to 49%, 4 = 50% to 69%, 5 = 70% to 89%, 6 = 90% to 100%). Scores calculated according to the expression "total score of 4 elements of eczema × area score of eczema" will be multiplied by 0.1 for head and neck, 0.2 for upper extremities, 0.3 for trunk, and 0.4 for lower extremities. The 4 region scores obtained will then be summed up (maximum score: 72) as EASI score.
56 Weeks
Percent Change From Baseline in EASI Score at Each Time Point
Time Frame: 56 Weeks
In the EASI assessment, the severity of 4 elements of eczema (erythema, induration/papulation, excoriation, and lichenification) at each of 4 body regions (head and neck, trunk, upper extremities, and lower extremities) will be assessed on a scale of 0 to 3 (0 = None , 1 = Mild, 2 = Moderate, 3 = Severe). Half scores (1.5 and 2.5) are allowed, with the exception of 0.5. Any signs must be at least 1 (mild) in severity. In addition, the extent of eczema at each of the 4 body regions will be assessed on a scale of 0 to 6 (0 = 0%, 1 = 1% to 9%, 2 = 10% to 29%, 3 = 30% to 49%, 4 = 50% to 69%, 5 = 70% to 89%, 6 = 90% to 100%). Scores calculated according to the expression "total score of 4 elements of eczema × area score of eczema" will be multiplied by 0.1 for head and neck, 0.2 for upper extremities, 0.3 for trunk, and 0.4 for lower extremities. The 4 region scores obtained will then be summed up (maximum score: 72) as EASI score.
56 Weeks
Achievement of EASI-50, EASI-75, or EASI-90 at Each Time Point
Time Frame: 56 Weeks
In the EASI assessment, the severity of 4 elements of eczema (erythema, induration/papulation, excoriation, and lichenification) at each of 4 body regions (head and neck, trunk, upper extremities, and lower extremities) will be assessed on a scale of 0 to 3 (0 = None , 1 = Mild, 2 = Moderate, 3 = Severe). Half scores (1.5 and 2.5) are allowed, with the exception of 0.5. Any signs must be at least 1 (mild) in severity. In addition, the extent of eczema at each of the 4 body regions will be assessed on a scale of 0 to 6 (0 = 0%, 1 = 1% to 9%, 2 = 10% to 29%, 3 = 30% to 49%, 4 = 50% to 69%, 5 = 70% to 89%, 6 = 90% to 100%).
56 Weeks
SCORing Atopic Dermatitis (SCORAD) Score at Each Time Point
Time Frame: 56 Weeks
In the SCORAD assessment, the extent of AD will be calculated as the sum of the percentage of each defined body area, with a maximum score of 100% (assigned as "A" in the overall SCORAD calculation). The severity of 6 specific symptoms of AD will be assessed using the following scale: 0 = none, 1 = mild, 2 = moderate, 3 = severe, with a maximum score of 18 (assigned as "B" in the overall SCORAD calculation). Itch and sleeplessness will be assessed by subjects on a visual analogue scale (VAS), where 0 is no itch (or sleeplessness) and 10 is the worst imaginable itch (or sleeplessness), with a maximum score of 20 (assigned as "C" in the overall SCORAD calculation). The SCORAD score is calculated as A/5 + 7B/2 + C. The maximum possible SCORAD score is 103; higher scores indicate poorer or more severe condition.
56 Weeks
Percent Change From Baseline in SCORing Atopic Dermatitis (SCORAD) Score at Each Time Point
Time Frame: 56 Weeks
In the SCORAD assessment, the extent of AD will be calculated as the sum of the percentage of each defined body area, with a maximum score of 100% (assigned as "A" in the overall SCORAD calculation). The severity of 6 specific symptoms of AD will be assessed using the following scale: 0 = none, 1 = mild, 2 = moderate, 3 = severe, with a maximum score of 18 (assigned as "B" in the overall SCORAD calculation). Itch and sleeplessness will be assessed by subjects on a visual analogue scale (VAS), where 0 is no itch (or sleeplessness) and 10 is the worst imaginable itch (or sleeplessness), with a maximum score of 20 (assigned as "C" in the overall SCORAD calculation). The SCORAD score is calculated as A/5 + 7B/2 + C. The maximum possible SCORAD score is 103; higher scores indicate poorer or more severe condition.
56 Weeks
Achievement of an Investigator's Global Assessment (IGA) Score of 0 or 1 and a Reduction From Baseline of ≥2 Points at Each Time Point
Time Frame: 56 Weeks
In the IGA, the Investigator will evaluate the overall skin symptoms of subjects at each visit on a 5-point scale ranging from 0 (clear) to 4 (severe)
56 Weeks
Change From Baseline in Percent Body Surface Area (BSA) at Each Time Point
Time Frame: 56 Weeks
The Investigator will calculate the percentage (%) of the total body surface area affected by AD.
56 Weeks
Pruritus Numerical Rating Scale (NRS) Score at Each Time Point
Time Frame: 56 Weeks
The worst degree of itch experienced during 24 hours before the time point will be assessed on a Numerical Rating Scale. The degree of itch will be scored on an 11-point scale, with 0 being "no itch" and 10 being the "worst itch imaginable."
56 Weeks
Percent Change From Baseline in Pruritus Numerical Rating Scale (NRS) Score at Each Time Point
Time Frame: 56 Weeks
The worst degree of itch experienced during 24 hours before the time point will be assessed on a Numerical Rating Scale. The degree of itch will be scored on an 11-point scale, with 0 being "no itch" and 10 being the "worst itch imaginable."
56 Weeks
Sleep Disturbance Numerical Rating Scale (NRS) Score at Each Time Point
Time Frame: 56 Weeks
Daily sleep disturbance in the last 24 hours before the relevant time point will be assessed on a Numerical Rating Scale. Subjects will score the degree of their sleep disturbance on an 11-point scale ranging from 'no sleep loss' (0) to 'I cannot sleep at all' (10).
56 Weeks
Percent Change From Baseline in Sleep Disturbance Numerical Rating Scale (NRS) Score at Each Time Point
Time Frame: 56 Weeks
Daily sleep disturbance in the last 24 hours before the relevant time point will be assessed on a Numerical Rating Scale. Subjects will score the degree of their sleep disturbance on an 11-point scale ranging from 'no sleep loss' (0) to 'I cannot sleep at all' (10).
56 Weeks
Dermatology Life Quality Index (DLQI) at Each Time Point
Time Frame: 56 Weeks
DLQI consists of 6 subscales (symptoms and feelings, daily activities, leisure, work and school, personal relationships, and treatment), which are scored from 0 to 3 on the basis of 10 questions. The DLQI is calculated by summing the score of each question resulting in a maximum of 30 and a minimum of 0. The higher the score, the more QoL is impaired.
56 Weeks

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.
Kyowa Kirin, Inc.

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Kyowa Kirin Co., Ltd.

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Director: Ehsanollah Esfandiari, MD, PhD, Kyowa Kirin Pharmaceutical International 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.
October 22, 2018

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.
February 6, 2020

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.
November 12, 2020

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).
October 9, 2018

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.
October 9, 2018

First Posted (Actual)

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.
October 11, 2018

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.
April 26, 2024

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.
April 24, 2024

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.
April 1, 2024

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Terms related to this study

Keywords

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.
  • 4083-006

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

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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