A Study to Evaluate the Efficacy and Safety of Subcutaneous Amlitelimab on Background Topical Corticosteroids Therapy in Participants Aged 12 Years and Older With Moderate-to-severe AD Who Have Had an Inadequate Response to Prior Biologic Therapy or an Oral JAK Inhibitor

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 prior to screening visit of inadequate response to a biologic AD medication or an oral JAKi therapy. * 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