RecruitingPhase 2Biological interventionA Study to Access Activity and Safety With SAR445399 Compared With Placebo in Participants Aged 18 to 80 Years of Age With Non-Cystic Fibrosis BronchiectasisThis is a randomized, double-blind, placebo-controlled study to measure the reduction in mucus plug score at 24 weeks of treatment with SAR445399 compared with placebo in adult participants aged 18 to 80 years with non-cystic fibrosis bronchiectasis (NCFB).