RecruitingPhase 1Drug trialA Phase 1, Randomized, Double-blind, Placebo-controlled Study Evaluating AMG 691 in Healthy Participants and Participants With Mild-to-Moderate AsthmaThe main objective of this study is to assess the safety and tolerability of AMG 691 as single doses (healthy participants only) and multiple doses in healthy participants and participants with mild-to-moderate asthma.