Dose Ranging Study of Amlitelimab in Adult Participants With Moderate-to-severe Asthma

Inclusion Criteria: * The participant must be between the ages of 18 and 75 inclusive at the time of signing the informed consent. * Moderate to severe asthma diagnosed by a physician for ≥ 12 months according to stages 4 and 5 of the Global Initiative for Asthma (GINA ). * Participants on existing therapy with medium to high doses of ICS (≥500 μg fluticasone propionate daily or comparable ICS dose in combination with at least one additional controller (e.g., long-acting beta agonist \[LABA\], leukotriene receptor antagonist \[LTRA\], long-acting muscarinic antagonist \[LAMA\], methylxanthines) for at least 3 months. * ≥ 1 severe asthma exacerbation in the past year, with at least one exacerbation during treatment with medium to high doses of ICS (≥ 500 μg fluticasone propionate daily or one dose of ICS comparable). * Participants with pre-BD forced expiratory volume in 1 second (FEV1) \> 40% and \< 80% of predicted normal at the screening visit. * 5-item ACQ-5 score \>1.5 at randomization. * Participants with at least 12% reversibility and 200 mL post-BD FEV after administration of albuterol/salbutamol or levalbuterol/levosalbutamol at screening or documented history of a reversibility test. * Weight ≥40 kg and ≤150 kg at the randomization visit. Exclusion Criteria: Participants were excluded from the study if any of the following criteria apply: * Chronic lung disease other than asthma. * Current or former smoker including active vaping of any products and/or marijuana …