A Study of Lebrikizumab Treatment in Adults and Adolescents With Moderate-to-Severe Atopic Dermatitis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

520 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-07-03

Study Completion Date

2027-04-30

Brief Summary

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The main purpose of this study is to evaluate the effectiveness of 24 weeks of lebrikizumab in improving disease severity, signs, and symptoms in adults and adolescents with moderate-to-severe AD in Part 1 and to describe how similar is the current maintenance dosing regimen of lebrikizumab 250 mg every 4 weeks (Q4W) to the new proposed; lebrikizumab 500 mg every 12 weeks (Q12W), in terms of efficacy, safety, PK, ADA and blood biomarkers.

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Detailed Description

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This study consists of two parts. Part 1 is a single-arm, open-label design, where participants will receive lebrikizumab subcutaneous (SC) injections up to Week 24. Part 2 is a randomized, double-blind design, in which participants who achieve clinical response in Part 1 will continue receiving lebrikizumab treatment across two periods: a Run-in period and a Double-blind period. Participants who do not maintain at least a 50% reduction in Eczema Area and Severity Index (EASI) from baseline during Double-Blind Period will enter an Escape Arm.

Conditions

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Dermatitis, Atopic Eczema

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Part 1 and Part 2 (Run-In Period): Open label; Part 2: Randomized and Double-Blind.

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Part 1: Open label (Lebrikizumab)

Participants with moderate-to-severe AD will receive loading doses of lebrikizumab 500 mg SC injection (2 injections) at Day 1 and Week 2 followed by 250 mg (1 injection) every 2 weeks (Q2W) after Week 4 to Week 16 followed by 250 mg (1 injection) every 4 weeks (Q4W) after Week 16 to Week 24.

Group Type EXPERIMENTAL

Lebrikizumab

Intervention Type BIOLOGICAL

Lebrikizumab solution for injection administered subcutaneously.

Part 2: Open label Run-In Period (Lebrikizumab)

Participants who respond to lebrikizumab treatment at Week 24 of Part 1 will continue treatment in Part 2, which includes an 8-week open-label Run-In Period to confirm sustained clinical response. During this period, they will receive lebrikizumab 250 mg SC injection (1 injection) Q4W starting from the Week 24 visit of Part 1.

Group Type EXPERIMENTAL

Lebrikizumab

Intervention Type BIOLOGICAL

Lebrikizumab solution for injection administered subcutaneously.

Part 2: Double-Blind (Lebrikizumab)

At the end of the Run-In Period, participants who demonstrate sustained clinical response will continue treatment in the double-blind period. They will either receive lebrikizumab 250 mg SC injection (1 injection) Q4W or switch to lebrikizumab 500 mg SC injection (2 injections) Q12W for 36 weeks.

Group Type EXPERIMENTAL

Lebrikizumab

Intervention Type BIOLOGICAL

Lebrikizumab solution for injection administered subcutaneously.

Part 2: Double-Blind (Placebo)

At the end of the Run-In Period, participants who demonstrate sustained clinical response will continue treatment in the double-blind period. They will either receive lebrikizumab matching placebo 250 mg SC injection (1 injection) Q4W or switch to lebrikizumab matching placebo 500 mg SC injection (2 injections) Q12W for 36 weeks.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Lebrikizumab Matching placebo solution for injection administered subcutaneously.

Part 2: Open label Escape Arm (Lebrikizumab)

Participants who do not maintain at least a 50% reduction in EASI from baseline (EASI 50) during Double-Blind Period will enter an Escape Arm, in which participants are treated with open label lebrikizumab 250 mg SC injection Q4W. Study drug treatment will be discontinued in participants entering the Escape Arm who do not maintain an EASI 50 response.

Group Type EXPERIMENTAL

Lebrikizumab

Intervention Type BIOLOGICAL

Lebrikizumab solution for injection administered subcutaneously.

Interventions

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Lebrikizumab

Lebrikizumab solution for injection administered subcutaneously.

Intervention Type BIOLOGICAL

Placebo

Lebrikizumab Matching placebo solution for injection administered subcutaneously.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

Part 1:

1. Adults and adolescents (aged greater than or equal to \[\>=\] 12 to less than \[\<\] 18 at the time of informed consent form \[ICF\]/informed assent form \[IAF\] signature and weighing 40 \>= kilograms \[kg\]) who are candidates for systemic AD therapy.
2. Chronic AD (according to Hanifin and Rajka Criteria (Hanifin 1980)) that has been present for \>= 1 year before the screening visit.
3. EASI score \>= 12 at the Day 1/Baseline Visit.
4. IGA score \>= 3 (moderate) (scale of 0 \[clear\] to 4 \[severe\]) at the Day 1/Baseline visit.
5. \>= 10% BSA of AD involvement at the Day 1/Baseline visit.
6. History of inadequate response to treatment with topical medications; or determination that topical treatments are otherwise medically inadvisable.
7. Completed electronic diary (eDiary) entries for pruritus and sleep-loss for a minimum of 4 of 7 days before Day 1/Baseline.
8. Willing and able to comply with all clinic visits and study-related procedures and questionnaires.
9. For women of childbearing potential: agree to remain abstinent (refrain from heterosexual intercourse) or to use a highly effective contraceptive method during the treatment period and for at least 4 weeks or 1 menstrual period after the last dose of lebrikizumab.
10. Participant must provide signed ICF. Adolescent participants must also provide separate informed assent to enroll in the study and sign and date either a separate IAF or the ICF signed by the parent/legal guardian (as appropriate based on local regulations and requirements).

Part 2:
11. Demonstrate clinical response to treatment at Week 24 of Part 1, defined as achieving EASI 75 or IGA 0/1 without the use of high-potency TCS within the prior 4 weeks or systemic corticosteroids at any time post baseline.

Exclusion Criteria

1. Prior treatment at any time with tralokinumab, lebrikizumab, or an oral JAK inhibitor.
2. Intention to use any concomitant medication or therapy that is not permitted by this protocol or failure to undergo the required washout period for a particular prohibited medication.
3. History of anaphylaxis as defined by the Sampson criteria (Sampson 2006).
4. Uncontrolled chronic disease that might require bursts of oral corticosteroids, eg, comorbid severe uncontrolled asthma (defined by an Asthma Control Questionnaire-5 score \>= 1.5 or a history of \>= 2 asthma exacerbations within the last 12 months requiring systemic \[oral and/or parenteral\] corticosteroid treatment or hospitalisation for \>24 hours).
5. Occurrence of the following types of infection within 3 months before or during screening or development of these infections before Day 1/Baseline:

1. Serious (requiring hospitalisation, and/or IV or equivalent oral antibiotic treatment, as per the Investigator's opinion);
2. Opportunistic (as defined by Winthrop et al. (Winthrop 2015))
3. Chronic (duration of symptoms, signs, and/or treatment of 6 weeks or longer);
4. Recurring (including, but not limited to herpes simplex, herpes zoster, recurring cellulitis, chronic osteomyelitis).
6. Known current or chronic infection with any hepatitis virus.
7. Known liver cirrhosis and/or chronic hepatitis of any aetiology.
8. Known active endoparasitic infection or at high risk of these infections.
9. Known or suspected history of immunosuppression, including history of invasive opportunistic infections (e.g., tuberculosis, histoplasmosis, listeriosis, coccidioidomycosis, pneumocystosis, and aspergillosis) despite infection resolution: or unusually frequent, recurrent, or prolonged infections, per the Investigator's judgement.
10. History of human immunodeficiency virus (HIV) infection or known positive HIV serology.
11. Any clinically significant laboratory test results from the chemistry or haematology tests obtained at the Screening visit that would jeopardise the participants participation in the study, per the Investigator's judgement.
12. Presence of skin comorbidities that may interfere with study assessments.
13. History of malignancy, including mycosis fungoides, within 5 years before the Screening visit, except completely treated in situ carcinoma of the cervix, completely treated and resolved nonmetastatic squamous or basal cell carcinoma of the skin with no evidence of recurrence in the past 12 weeks.
14. Severe concomitant illness(es) that in the Investigator's judgement would adversely affect the participation in the study. Any other medical or psychological condition that in the opinion of the Investigator may suggest a new and/or insufficiently understood disease, may present an unreasonable risk to the study participant because of his/her participation in this clinical trial, may make participation unreliable, or may interfere with study assessments.
15. Pregnant or breastfeeding women, or women planning to become pregnant or breastfeed during the study.
16. Any known hypersensitivity or allergic response to lebrikizumab or any component of the investigational medicinal product (IMP).
17. For the scratch sensor substudy only: a history of allergic response to skin adhesives, active skin or systemic infection, active AD on the back of the hand, or a pre-existing sleep disorder, including insomnia, obstructive sleep apnea, or restless leg syndrome, or currently taking prescription sleep medications.

Minimum Eligible Age

12 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No