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A Study to Evaluate the Efficacy and Safety of Subcutaneous Amlitelimab in Participants Aged 12 Years and Older With Moderate-to-severe Atopic Dermatitis on Background Topical Corticosteroids

Dermatitis Atopic

This is a parallel group, Phase 3, multinational, multicenter, randomized, double-blind, placebo controlled, 3-arm study for treatment of participants diagnosed with moderate-to-severe atopic dermatitis (AD) with a history of inadequate response of topical treatment, on background topical corticosteroid (TCS) and/or topical calcineurin inhibitor (TCI).

The purpose of this study is to measure the efficacy and safety of treatment with amlitelimab solution for subcutaneous (SC) injection compared with placebo in participants with moderate to severe AD aged 12 years and older on background TCS and/or TCI.

Study details include:

At the end of the treatment period, participants will have an option to enter a separate study: the blinded extension study EFC17600 (ESTUARY).

For participants not entering the blinded extension Study EFC17600 (ESTUARY), the study duration will be up to 44 weeks including a 2 to 4-week screening, a 24-week randomized double-blind period, and a 16-week safety follow-up.

For participants entering the blinded extension Study EFC17600 (ESTUARY), the study duration will be up to 28 weeks including a 2 to 4-week screening and a 24-week randomized double-blind period.

The total treatment duration will be up to 24 weeks. The total number of visits will be up to 10 visits (or 9 visits for those entering the blinded extension study EFC17600 (ESTUARY).

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Conditions de participation

  • Sexe:

    ALL
  • Âges admissibles:

    12 and up

Critères de participation

Inclusion Criteria:

* Participants must be 12 years of age (when signing informed consent form)
* Diagnosis of AD for at least 1 year (defined by the American Academy of Dermatology Consensus Criteria)
* Documented history (within 6 months before screening) of inadequate response to topical treatments, and/or inadequate response to systemic therapies (within 12 months before screening)
* v-IGA-AD of 3 or 4 at baseline visit
* EASI score of 16 or higher at baseline
* AD involvement of 10% or more of BSA at baseline
* Weekly average of daily PP-NRS of ≥ 4 at baseline visit.
* Able and willing to comply with requested study visits and procedures
* Body weight ≥25 kg

Exclusion Criteria:

Participants are excluded from the study if any of the following criteria apply:

* Skin co-morbidity that would adversely affect the ability to undertake AD assessments
* Known history of or suspected significant current immunosuppression
* Any malignancies or history of malignancies prior to baseline (with the exception of non-melanoma skin cancer excised and cured \>5 years prior to baseline)
* History of solid organ or stem cell transplant
* Any active or chronic infection including helminthic infection requiring systemic treatment within 4 weeks prior to baseline
* Positive for human immunodeficiency virus (HIV), Hepatitis B or hepatitis C at screening visit
* Having active tuberculosis (TB), latent TB, a history of incompletely treated TB, suspected extrapulmonary TB infection, or who are at high risk of contracting TB
* Having received any of the specified therapy within the specified timeframe(s) prior to the baseline visit
* In the Investigator's opinion, any clinically significant laboratory results or protocol specified laboratory abnormalities at screening
* History of hypersensitivity or allergy to any of the excipients or investigational medicinal product (IMP)

The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial

Lieu de l'étude

Investigational Site Number : 1240046
Investigational Site Number : 1240046
Kamloops, British Columbia
Canada

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Investigational Site Number : 1241106
Investigational Site Number : 1241106
Markham, Ontario
Canada

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Investigational Site Number : 1240012
Investigational Site Number : 1240012
Toronto, Ontario
Canada

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Investigational Site Number : 1240045
Investigational Site Number : 1240045
Red Deer, Alberta
Canada

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Investigational Site Number : 1240057
Investigational Site Number : 1240057
Brampton, Ontario
Canada

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Investigational Site Number : 1240038
Investigational Site Number : 1240038
Richmond Hill, Ontario
Canada

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Investigational Site Number : 1240030
Investigational Site Number : 1240030
Surrey, British Columbia
Canada

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Investigational Site Number : 1240008
Investigational Site Number : 1240008
Mississauga, Ontario
Canada

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Investigational Site Number : 1241107
Investigational Site Number : 1241107
Waterloo, Ontario
Canada

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Investigational Site Number : 1240039
Investigational Site Number : 1240039
Calgary, Alberta
Canada

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Investigational Site Number : 1240041
Investigational Site Number : 1240041
Winnipeg, Manitoba
Canada

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Investigational Site Number : 1240004
Investigational Site Number : 1240004
Peterborough, Ontario
Canada

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Investigational Site Number : 1240006
Investigational Site Number : 1240006
Québec City, Quebec
Canada

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Étude parrainée par
Sanofi
Participants recherchés
Plus d'informations
ID de l'étude: NCT06224348