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Study of Dupilumab (REGN668/SAR231893) Monotherapy Administered to Adult Patients With Moderate-to-Severe Atopic Dermatitis (SOLO 2)

Primary Purpose

Dermatitis, Atopic

Status
Completed
Phase
Phase 3
Locations
International
Study Type
Interventional
Intervention
Dupilumab
Placebo (for Dupilumab)
Sponsored by
Regeneron Pharmaceuticals
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Dermatitis, Atopic

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. Chronic AD that has been present for at least 3 years before the screening visit;
  2. ≥10% body surface area (BSA) of AD involvement at the screening and baseline visits;
  3. Documented recent history (within 6 months before the screening visit) of inadequate response to treatment with topical medications or for whom topical treatments are otherwise medically inadvisable (eg, because of important side effects or safety risks).

Exclusion Criteria:

  1. Participation in a prior Dupilumab clinical study.
  2. Treatment with an investigational drug within 8 weeks or within 5 half-lives (if known), whichever is longer, before the baseline visit;
  3. Having used any of the following treatments within 4 weeks before the baseline visit, or any condition that, in the opinion of the investigator, is likely to require such treatment(s) during the first 4 weeks of study treatment:

    • Immunosuppressive/ immunomodulating drugs (eg, systemic corticosteroids, cyclosporine, mycophenolate-mofetil, IFN-γ, Janus kinase inhibitors, azathioprine, methotrexate, etc.)
    • Phototherapy for AD
  4. Regular use (more than 2 visits per week) of a tanning booth/ parlor within 4 weeks of the screening visit;
  5. Treatment with a live (attenuated) vaccine within 12 weeks before the baseline visit;
  6. History of human immunodeficiency virus (HIV) infection or positive HIV serology at screening;
  7. Positive with hepatitis B surface antigen (HBsAg) or hepatitis C antibody at the screening visit;
  8. Active chronic or acute infection requiring systemic treatment within 2 weeks before the baseline visit;
  9. Known or suspected history of immunosuppression;
  10. Pregnant or breastfeeding women, or women planning to become pregnant or breastfeed during the study;
  11. Women unwilling to use adequate birth control, if of reproductive potential and sexually active.

Note: The information listed above is not intended to contain all considerations relevant to a participant's potential participation in this clinical trial therefore not all inclusion/ exclusion criteria are listed.

Sites / Locations

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm Type

Placebo Comparator

Experimental

Experimental

Arm Label

Placebo

Dupilumab 300 mg every 2 weeks (q2w)

Dupilumab 300 mg qw

Arm Description

Two subcutaneous injections of Placebo (for Dupilumab) as a loading dose on Day 1 followed by a single injection once weekly (qw) from Week 1 to Week 15.

Two subcutaneous injections of Dupilumab 300 mg (for a total of 600 mg) as a loading dose on Day 1, followed by a placebo alternating with single 300 mg injection of Dupilumab qw from Week 1 to Week 15.

Two subcutaneous injections of Dupilumab 300 mg (for a total of 600 mg) as a loading dose on Day 1, followed by a single 300 mg injection of Dupilumab qw from Week 1 to Week 15.

Outcomes

Primary Outcome Measures

Percentage of Participants With Investigator's Global Assessment (IGA) Score of "0" or "1" and Reduction From Baseline of ≥2 Points at Week 16
IGA is an assessment scale used to determine severity of AD and clinical response to treatment on a 5-point scale (0 = clear; 1 = almost clear; 2 = mild; 3 = moderate; 4 = severe) based on erythema and papulation/infiltration. Therapeutic response is an IGA score of 0 (clear) or 1 (almost clear). Participants with IGA score of "0" or "1" and a reduction from baseline of ≥2 points at Week 16 were reported. Values after first rescue treatment were set to missing and participants with missing IGA scores at Week 16 were considered as non-responders.

Secondary Outcome Measures

Percentage of Participants With Eczema Area and Severity Index-75 (EASI-75) (≥75% Improvement From Baseline) at Week 16
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD. EASI-75 responders were the participants who achieved ≥75% overall improvement in EASI score from baseline to Week 16. Values after first rescue treatment use were set to missing and participants with missing EASI score at Week 16 were considered as non-responders.
Percentage of Participants With Improvement (Reduction ≥4 Points) of Weekly Average of Peak Daily Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 16
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥4 points from baseline in weekly average of peak daily pruritus NRS score at Week 16 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 16 were considered as non-responders.
Percentage of Participants With Improvement (Reduction ≥3 Points) in Weekly Average of Peak Daily Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 16
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥3 points from baseline in weekly average of peak daily pruritus NRS score at Week 16 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 16 were considered as non-responders.
Percent Change From Baseline in Weekly Average of Peak Pruritus Numerical Rating Scale (NRS) Score to Week 16
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]).
Percentage of Participants With Improvement (Reduction ≥4 Points) of Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 4
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥4 points from baseline in weekly average of peak daily pruritus NRS score at Week 4 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 4 were considered as non-responders.
Percentage of Participants With Improvement (Reduction ≥4 Points) of Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 2
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥4 points from baseline in weekly average of peak daily pruritus NRS score at Week 2 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 2 were considered as non-responders.
Change From Baseline in Peak Daily Pruritus Numerical Rating Scale (NRS) Score to Week 16
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]).
Percent Change From Baseline in Eczema Area and Severity Index (EASI) Score to Week 16
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD.
Percentage of Participants With Eczema Area and Severity Index-50 (EASI-50) (≥50% Improvement From Baseline) at Week 16
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD. EASI-50 responders were the participants who achieved ≥50% overall improvement in EASI score from baseline to Week 16. Values after first rescue treatment were set to missing and participants with missing EASI-50 scores at Week 16 were considered as non-responders.
Percentage of Participants With Eczema Area and Severity Index-90 (EASI-90) (≥90% Improvement From Baseline) at Week 16
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD. EASI-90 responders were the participants who achieved ≥90% overall improvement in EASI score from baseline to Week 16. Values after first rescue treatment were set to missing and participants with missing EASI-90 scores at Week 16 were considered as non-responders.
Change From Baseline in Percent Body Surface Area (BSA) to Week 16
BSA affected by AD was assessed for each section of the body (the possible highest score for each region was: head and neck [9%], anterior trunk [18%], back [18%], upper limbs [18%], lower limbs [36%], and genitals [1%]). It was reported as a percentage of all major body sections combined.
Percent Change From Baseline in the SCORing Atopic Dermatitis (SCORAD) Score to Week 16
SCORAD is a clinical tool for assessing the severity of AD developed by the European Task Force on Atopic Dermatitis (Severity scoring of atopic dermatitis: the SCORAD index). Consensus Report of the European Task Force on Atopic Dermatitis. Dermatology (Basel) 186 (1): 23-31. 1993. Extent and intensity of eczema as well as subjective signs (insomnia, etc.) are assessed and scored. Total score ranges from 0 (absent disease) to 103 (severe disease).
Change From Baseline in Dermatology Life Quality Index (DLQI) to Week 16
The DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on quality of life (QOL). The 10 questions assessed QOL over the past week, with an overall scoring of 0 (absent disease) to 30 (severe disease); a high score was indicative of a poor QOL.
Change From Baseline in Patient Oriented Eczema Measure (POEM) to Week 16
The POEM is a 7-item questionnaire that assesses disease symptoms (dryness, itching, flaking, cracking, sleep loss, bleeding and weeping) with a scoring system of 0 (absent disease) to 28 (severe disease) (high score indicative of poor quality of life [QOL]).
Change From Baseline in Hospital Anxiety Depression Scale (HADS) to Week 16
HADS is a fourteen item scale. Seven of the items relate to anxiety and seven items relate to depression. Each item on the questionnaire is scored from 0 (minimum score) - 3 (maximum score) and this means that a person can score between 0 (no symptoms) and 21 (severe symptoms) for either anxiety or depression. Cut-offs for identifying psychiatric distress has been reported as 7 to 8 for possible presence, 10 to 11 for probable presence, and 14 to 15 for severe anxiety or depression.
Percent Change From Baseline in Global Individual Signs Score (GISS) to Week 16
Individual components of the AD lesions (erythema, infiltration/ papulation, excoriations, and lichenification) were rated globally (each assessed for the whole body, not by anatomical region) on a 4-point scale (0= none, 1= mild, 2= moderate and 3= severe) using the EASI severity grading criteria. Total score ranges from 0 (absent disease) to 12 (severe disease).
Percent Change From Baseline in Weekly Average of Peak Daily Pruritus NRS Score to Week 2
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]).
Percentage of Participants With Skin Infection Treatment Emergent Adverse Events (TEAEs) Requiring Systemic Treatment
Treatment-emergent adverse events (TEAEs) were defined as AEs that developed or worsened or became serious during on-treatment period (time from the first dose of study drug up to the end of study [Week 28]). A serious adverse event (SAE) was defined as any untoward medical occurrence that resulted in any of the following outcomes: death, life-threatening, required initial or prolonged in-patient hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect, or considered as medically important event. Any TEAE included participants with both serious and non-serious AEs. Statistical significance in the hierarchical testing of secondary hypotheses was broken at this endpoint. Therefore, subsequent secondary efficacy endpoints were not tested for statistical significance.
Percentage of Participants With Treatment Emergent Serious Adverse Events (TESAEs) From Baseline Through Week 16
Any untoward medical occurrence in a participant who received investigational medicinal product (IMP) was considered an AE without regard to possibility of causal relationship with this treatment. Treatment-emergent adverse events (TEAEs) were defined as AEs that developed or worsened or became serious during on-treatment period (time from the first dose of study drug up to the end of study [Week 28]). A serious adverse event (SAE) was defined as any untoward medical occurrence that resulted in any of the following outcomes: death, life-threatening, required initial or prolonged in-patient hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect, or considered as medically important event. Any TEAE included participants with both serious and non-serious AEs.
Percentage of Participants With Treatment Emergent Adverse Events (TEAEs) Leading to Treatment Discontinuation From Baseline Through Week 16
Any untoward medical occurrence in a participant who received investigational medicinal product (IMP) was considered an AE without regard to possibility of causal relationship with this treatment. Treatment-emergent adverse events (TEAEs) were defined as AEs that developed or worsened or became serious during on-treatment period (time from the first dose of study drug up to the end of study [Week 28]). A serious adverse event (SAE) was defined as any untoward medical occurrence that resulted in any of the following outcomes: death, life-threatening, required initial or prolonged in-patient hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect, or considered as medically important event. Any TEAE included participants with both serious and non-serious AEs.

Full Information

First Posted
October 27, 2014
Last Updated
May 21, 2020
Sponsor
Regeneron Pharmaceuticals
Collaborators
Sanofi
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1. Study Identification

Unique Protocol Identification Number
NCT02277769
Brief Title
Study of Dupilumab (REGN668/SAR231893) Monotherapy Administered to Adult Patients With Moderate-to-Severe Atopic Dermatitis
Acronym
SOLO 2
Official Title
A Phase 3 Confirmatory Study Investigating the Efficacy and Safety of Dupilumab Monotherapy Administered to Adult Patients With Moderate-to-Severe Atopic Dermatitis
Study Type
Interventional

2. Study Status

Record Verification Date
May 2020
Overall Recruitment Status
Completed
Study Start Date
November 30, 2014 (Actual)
Primary Completion Date
October 31, 2015 (Actual)
Study Completion Date
January 31, 2016 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Regeneron Pharmaceuticals
Collaborators
Sanofi

4. Oversight

Data Monitoring Committee
Yes

5. Study Description

Brief Summary
This is a randomized, double-blind, placebo-controlled, parallel-group study to confirm the efficacy and safety of Dupilumab monotherapy in adults with moderate-to-severe atopic dermatitis (AD).

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Dermatitis, Atopic

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 3
Interventional Study Model
Parallel Assignment
Masking
ParticipantInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
708 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Placebo
Arm Type
Placebo Comparator
Arm Description
Two subcutaneous injections of Placebo (for Dupilumab) as a loading dose on Day 1 followed by a single injection once weekly (qw) from Week 1 to Week 15.
Arm Title
Dupilumab 300 mg every 2 weeks (q2w)
Arm Type
Experimental
Arm Description
Two subcutaneous injections of Dupilumab 300 mg (for a total of 600 mg) as a loading dose on Day 1, followed by a placebo alternating with single 300 mg injection of Dupilumab qw from Week 1 to Week 15.
Arm Title
Dupilumab 300 mg qw
Arm Type
Experimental
Arm Description
Two subcutaneous injections of Dupilumab 300 mg (for a total of 600 mg) as a loading dose on Day 1, followed by a single 300 mg injection of Dupilumab qw from Week 1 to Week 15.
Intervention Type
Drug
Intervention Name(s)
Dupilumab
Other Intervention Name(s)
DUPIXENT®, REGN668, SAR231893
Intervention Description
Subcutaneous injection alternated among the different quadrants of the abdomen, upper thighs and upper arms.
Intervention Type
Drug
Intervention Name(s)
Placebo (for Dupilumab)
Intervention Description
Subcutaneous injection alternated among the different quadrants of the abdomen, upper thighs and upper arms.
Primary Outcome Measure Information:
Title
Percentage of Participants With Investigator's Global Assessment (IGA) Score of "0" or "1" and Reduction From Baseline of ≥2 Points at Week 16
Description
IGA is an assessment scale used to determine severity of AD and clinical response to treatment on a 5-point scale (0 = clear; 1 = almost clear; 2 = mild; 3 = moderate; 4 = severe) based on erythema and papulation/infiltration. Therapeutic response is an IGA score of 0 (clear) or 1 (almost clear). Participants with IGA score of "0" or "1" and a reduction from baseline of ≥2 points at Week 16 were reported. Values after first rescue treatment were set to missing and participants with missing IGA scores at Week 16 were considered as non-responders.
Time Frame
Week 16
Secondary Outcome Measure Information:
Title
Percentage of Participants With Eczema Area and Severity Index-75 (EASI-75) (≥75% Improvement From Baseline) at Week 16
Description
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD. EASI-75 responders were the participants who achieved ≥75% overall improvement in EASI score from baseline to Week 16. Values after first rescue treatment use were set to missing and participants with missing EASI score at Week 16 were considered as non-responders.
Time Frame
Week 16
Title
Percentage of Participants With Improvement (Reduction ≥4 Points) of Weekly Average of Peak Daily Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 16
Description
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥4 points from baseline in weekly average of peak daily pruritus NRS score at Week 16 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 16 were considered as non-responders.
Time Frame
Baseline to Week 16
Title
Percentage of Participants With Improvement (Reduction ≥3 Points) in Weekly Average of Peak Daily Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 16
Description
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥3 points from baseline in weekly average of peak daily pruritus NRS score at Week 16 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 16 were considered as non-responders.
Time Frame
Baseline to Week 16
Title
Percent Change From Baseline in Weekly Average of Peak Pruritus Numerical Rating Scale (NRS) Score to Week 16
Description
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]).
Time Frame
Baseline to Week 16
Title
Percentage of Participants With Improvement (Reduction ≥4 Points) of Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 4
Description
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥4 points from baseline in weekly average of peak daily pruritus NRS score at Week 4 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 4 were considered as non-responders.
Time Frame
Baseline to Week 4
Title
Percentage of Participants With Improvement (Reduction ≥4 Points) of Pruritus Numerical Rating Scale (NRS) Score From Baseline to Week 2
Description
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]). Participants achieving a reduction of ≥4 points from baseline in weekly average of peak daily pruritus NRS score at Week 2 were reported. Values after first rescue treatment were set to missing and participants with missing peak NRS at Week 2 were considered as non-responders.
Time Frame
Baseline to Week 2
Title
Change From Baseline in Peak Daily Pruritus Numerical Rating Scale (NRS) Score to Week 16
Description
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]).
Time Frame
Baseline to Week 16
Title
Percent Change From Baseline in Eczema Area and Severity Index (EASI) Score to Week 16
Description
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD.
Time Frame
Baseline to Week 16
Title
Percentage of Participants With Eczema Area and Severity Index-50 (EASI-50) (≥50% Improvement From Baseline) at Week 16
Description
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD. EASI-50 responders were the participants who achieved ≥50% overall improvement in EASI score from baseline to Week 16. Values after first rescue treatment were set to missing and participants with missing EASI-50 scores at Week 16 were considered as non-responders.
Time Frame
Week 16
Title
Percentage of Participants With Eczema Area and Severity Index-90 (EASI-90) (≥90% Improvement From Baseline) at Week 16
Description
The EASI score was used to measure the severity and extent of AD and measured erythema, infiltration, excoriation and lichenification on 4 anatomic regions of the body: head, trunk, upper and lower extremities. The total EASI score ranges from 0 (minimum) to 72 (maximum) points, with the higher scores reflecting the worse severity of AD. EASI-90 responders were the participants who achieved ≥90% overall improvement in EASI score from baseline to Week 16. Values after first rescue treatment were set to missing and participants with missing EASI-90 scores at Week 16 were considered as non-responders.
Time Frame
Week 16
Title
Change From Baseline in Percent Body Surface Area (BSA) to Week 16
Description
BSA affected by AD was assessed for each section of the body (the possible highest score for each region was: head and neck [9%], anterior trunk [18%], back [18%], upper limbs [18%], lower limbs [36%], and genitals [1%]). It was reported as a percentage of all major body sections combined.
Time Frame
Baseline to Week 16
Title
Percent Change From Baseline in the SCORing Atopic Dermatitis (SCORAD) Score to Week 16
Description
SCORAD is a clinical tool for assessing the severity of AD developed by the European Task Force on Atopic Dermatitis (Severity scoring of atopic dermatitis: the SCORAD index). Consensus Report of the European Task Force on Atopic Dermatitis. Dermatology (Basel) 186 (1): 23-31. 1993. Extent and intensity of eczema as well as subjective signs (insomnia, etc.) are assessed and scored. Total score ranges from 0 (absent disease) to 103 (severe disease).
Time Frame
Baseline to Week 16
Title
Change From Baseline in Dermatology Life Quality Index (DLQI) to Week 16
Description
The DLQI is a 10-item, validated questionnaire used in clinical practice and clinical trials to assess the impact of AD disease symptoms and treatment on quality of life (QOL). The 10 questions assessed QOL over the past week, with an overall scoring of 0 (absent disease) to 30 (severe disease); a high score was indicative of a poor QOL.
Time Frame
Baseline to Week 16
Title
Change From Baseline in Patient Oriented Eczema Measure (POEM) to Week 16
Description
The POEM is a 7-item questionnaire that assesses disease symptoms (dryness, itching, flaking, cracking, sleep loss, bleeding and weeping) with a scoring system of 0 (absent disease) to 28 (severe disease) (high score indicative of poor quality of life [QOL]).
Time Frame
Baseline to Week 16
Title
Change From Baseline in Hospital Anxiety Depression Scale (HADS) to Week 16
Description
HADS is a fourteen item scale. Seven of the items relate to anxiety and seven items relate to depression. Each item on the questionnaire is scored from 0 (minimum score) - 3 (maximum score) and this means that a person can score between 0 (no symptoms) and 21 (severe symptoms) for either anxiety or depression. Cut-offs for identifying psychiatric distress has been reported as 7 to 8 for possible presence, 10 to 11 for probable presence, and 14 to 15 for severe anxiety or depression.
Time Frame
Baseline to Week 16
Title
Percent Change From Baseline in Global Individual Signs Score (GISS) to Week 16
Description
Individual components of the AD lesions (erythema, infiltration/ papulation, excoriations, and lichenification) were rated globally (each assessed for the whole body, not by anatomical region) on a 4-point scale (0= none, 1= mild, 2= moderate and 3= severe) using the EASI severity grading criteria. Total score ranges from 0 (absent disease) to 12 (severe disease).
Time Frame
Baseline to Week 16
Title
Percent Change From Baseline in Weekly Average of Peak Daily Pruritus NRS Score to Week 2
Description
Pruritus NRS was an assessment tool that was used to report the intensity of a participant's pruritus (itch), both maximum and average intensity, during a 24-hour recall period. Participants were asked the following question: how would a participant rate his itch at the worst moment during the previous 24 hours (for maximum itch intensity on a scale of 0 - 10 [0 = no itch; 10 = worst itch imaginable]).
Time Frame
Baseline to Week 2
Title
Percentage of Participants With Skin Infection Treatment Emergent Adverse Events (TEAEs) Requiring Systemic Treatment
Description
Treatment-emergent adverse events (TEAEs) were defined as AEs that developed or worsened or became serious during on-treatment period (time from the first dose of study drug up to the end of study [Week 28]). A serious adverse event (SAE) was defined as any untoward medical occurrence that resulted in any of the following outcomes: death, life-threatening, required initial or prolonged in-patient hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect, or considered as medically important event. Any TEAE included participants with both serious and non-serious AEs. Statistical significance in the hierarchical testing of secondary hypotheses was broken at this endpoint. Therefore, subsequent secondary efficacy endpoints were not tested for statistical significance.
Time Frame
Baseline up to Week 16
Title
Percentage of Participants With Treatment Emergent Serious Adverse Events (TESAEs) From Baseline Through Week 16
Description
Any untoward medical occurrence in a participant who received investigational medicinal product (IMP) was considered an AE without regard to possibility of causal relationship with this treatment. Treatment-emergent adverse events (TEAEs) were defined as AEs that developed or worsened or became serious during on-treatment period (time from the first dose of study drug up to the end of study [Week 28]). A serious adverse event (SAE) was defined as any untoward medical occurrence that resulted in any of the following outcomes: death, life-threatening, required initial or prolonged in-patient hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect, or considered as medically important event. Any TEAE included participants with both serious and non-serious AEs.
Time Frame
Baseline up to Week 16
Title
Percentage of Participants With Treatment Emergent Adverse Events (TEAEs) Leading to Treatment Discontinuation From Baseline Through Week 16
Description
Any untoward medical occurrence in a participant who received investigational medicinal product (IMP) was considered an AE without regard to possibility of causal relationship with this treatment. Treatment-emergent adverse events (TEAEs) were defined as AEs that developed or worsened or became serious during on-treatment period (time from the first dose of study drug up to the end of study [Week 28]). A serious adverse event (SAE) was defined as any untoward medical occurrence that resulted in any of the following outcomes: death, life-threatening, required initial or prolonged in-patient hospitalization, persistent or significant disability/incapacity, congenital anomaly/birth defect, or considered as medically important event. Any TEAE included participants with both serious and non-serious AEs.
Time Frame
Baseline up to Week 16

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Chronic AD that has been present for at least 3 years before the screening visit; ≥10% body surface area (BSA) of AD involvement at the screening and baseline visits; Documented recent history (within 6 months before the screening visit) of inadequate response to treatment with topical medications or for whom topical treatments are otherwise medically inadvisable (eg, because of important side effects or safety risks). Exclusion Criteria: Participation in a prior Dupilumab clinical study. Treatment with an investigational drug within 8 weeks or within 5 half-lives (if known), whichever is longer, before the baseline visit; Having used any of the following treatments within 4 weeks before the baseline visit, or any condition that, in the opinion of the investigator, is likely to require such treatment(s) during the first 4 weeks of study treatment: Immunosuppressive/ immunomodulating drugs (eg, systemic corticosteroids, cyclosporine, mycophenolate-mofetil, IFN-γ, Janus kinase inhibitors, azathioprine, methotrexate, etc.) Phototherapy for AD Regular use (more than 2 visits per week) of a tanning booth/ parlor within 4 weeks of the screening visit; Treatment with a live (attenuated) vaccine within 12 weeks before the baseline visit; History of human immunodeficiency virus (HIV) infection or positive HIV serology at screening; Positive with hepatitis B surface antigen (HBsAg) or hepatitis C antibody at the screening visit; Active chronic or acute infection requiring systemic treatment within 2 weeks before the baseline visit; Known or suspected history of immunosuppression; Pregnant or breastfeeding women, or women planning to become pregnant or breastfeed during the study; Women unwilling to use adequate birth control, if of reproductive potential and sexually active. Note: The information listed above is not intended to contain all considerations relevant to a participant's potential participation in this clinical trial therefore not all inclusion/ exclusion criteria are listed.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Clinical Trial Management
Organizational Affiliation
Regeneron Pharmaceuticals
Official's Role
Study Director
Facility Information:
City
Anniston
State/Province
Alabama
Country
United States
City
Birmingham
State/Province
Alabama
Country
United States
City
Phoenix
State/Province
Arizona
Country
United States
City
Bakersfield
State/Province
California
Country
United States
City
Costa Mesa
State/Province
California
Country
United States
City
Fremont
State/Province
California
Country
United States
City
Long Beach
State/Province
California
Country
United States
City
Los Angeles
State/Province
California
Country
United States
City
Orange
State/Province
California
Country
United States
City
Roseville
State/Province
California
Country
United States
City
Temecula
State/Province
California
Country
United States
City
Trumbull
State/Province
Connecticut
Country
United States
City
Miami
State/Province
Florida
Country
United States
City
Oviedo
State/Province
Florida
Country
United States
City
Tampa
State/Province
Florida
Country
United States
City
West Palm Beach
State/Province
Florida
Country
United States
City
Alpharetta
State/Province
Georgia
Country
United States
City
Atlanta
State/Province
Georgia
Country
United States
City
Columbus
State/Province
Georgia
Country
United States
City
Buffalo Grove
State/Province
Illinois
Country
United States
City
Plainfield
State/Province
Indiana
Country
United States
City
West Des Moines
State/Province
Iowa
Country
United States
City
Overland Park
State/Province
Kansas
Country
United States
City
Rockville
State/Province
Maryland
Country
United States
City
Washington Park
State/Province
Maryland
Country
United States
City
Boston
State/Province
Massachusetts
Country
United States
City
Farmington Hills
State/Province
Michigan
Country
United States
City
Minneapolis
State/Province
Minnesota
Country
United States
City
Plymouth
State/Province
Minnesota
Country
United States
City
Saint Joseph
State/Province
Missouri
Country
United States
City
Saint Louis
State/Province
Missouri
Country
United States
City
Billings
State/Province
Montana
Country
United States
City
Bozeman
State/Province
Montana
Country
United States
City
Las Vegas
State/Province
Nevada
Country
United States
City
Verona
State/Province
New Jersey
Country
United States
City
Forest Hills
State/Province
New York
Country
United States
City
New York
State/Province
New York
Country
United States
City
Smithtown
State/Province
New York
Country
United States
City
Chapel Hill
State/Province
North Carolina
Country
United States
City
Raleigh
State/Province
North Carolina
Country
United States
City
Wilmington
State/Province
North Carolina
Country
United States
City
Winston-Salem
State/Province
North Carolina
Country
United States
City
Tulsa
State/Province
Oklahoma
Country
United States
City
Portland
State/Province
Oregon
Country
United States
City
Jenkintown
State/Province
Pennsylvania
Country
United States
City
Greer
State/Province
South Carolina
Country
United States
City
Arlington
State/Province
Texas
Country
United States
City
Austin
State/Province
Texas
Country
United States
City
Bellaire
State/Province
Texas
Country
United States
City
Houston
State/Province
Texas
Country
United States
City
San Antonio
State/Province
Texas
Country
United States
City
Richmond
State/Province
Virginia
Country
United States
City
Seattle
State/Province
Washington
Country
United States
City
Calgary
State/Province
Alberta
Country
Canada
City
Edmonton
State/Province
Alberta
Country
Canada
City
Surrey
State/Province
British Columbia
Country
Canada
City
St. John's
State/Province
Newfoundland and Labrador
Country
Canada
City
Ajax
State/Province
Ontario
Country
Canada
City
Mississauga
State/Province
Ontario
Country
Canada
City
Oakville
State/Province
Ontario
Country
Canada
City
Ottawa
State/Province
Ontario
Country
Canada
City
Peterborough
State/Province
Ontario
Country
Canada
City
Richmond Hill
State/Province
Ontario
Country
Canada
City
Montreal
State/Province
Quebec
Country
Canada
City
Lille Cedex
Country
France
City
Marseille
Country
France
City
Nantes
Country
France
City
Berlin
Country
Germany
City
Bochum
Country
Germany
City
Darmstadt
Country
Germany
City
Friedrichshafen
Country
Germany
City
Hamburg
Country
Germany
City
Kiel
Country
Germany
City
Hong Kong
Country
Hong Kong
City
Lucca
Country
Italy
City
Pisa
Country
Italy
City
Roma
Country
Italy
City
Busan
Country
Korea, Republic of
City
Gyeonggi-do
Country
Korea, Republic of
City
Incheon
Country
Korea, Republic of
City
Seoul
Country
Korea, Republic of
City
Kaunas
Country
Lithuania
City
Klaipeda
Country
Lithuania
City
Vilnius
Country
Lithuania
City
Elblag
Country
Poland
City
Gdansk
Country
Poland
City
Katowice
Country
Poland
City
Poznan
Country
Poland
City
Torun
Country
Poland
City
Warsaw
Country
Poland
City
Stockholm
Country
Sweden
City
London
Country
United Kingdom
City
Plymouth
Country
United Kingdom

12. IPD Sharing Statement

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Results Reference
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Citation
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Citation
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Results Reference
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Learn more about this trial

Study of Dupilumab (REGN668/SAR231893) Monotherapy Administered to Adult Patients With Moderate-to-Severe Atopic Dermatitis

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