RIG 101 Trial in Healthy Adults and Adults With Asthma

Inclusion Criteria: Participants must meet all the following inclusion criteria to be eligible to participate in the trial. * Participants must have a written informed consent obtained prior to any trial related procedure * Male and female participants aged between 18 to 65 years inclusive, at the time of informed consent. * Participants must be in good health as determined by medical history, physical examination, vital signs, 12-lead ECG and clinical laboratory assessments at the time of screening, as judged by the Investigator. Additional Inclusion Criteria for Healthy Participants \- Participants must have a pre-bronchodilator FEV1 ≥80% predicted (using GLI Global predicted values17) and an FEV1 / FVC ratio of \>70% absolute at screening. Additional Inclusion Criteria for Participants with Asthma * Participants must have a clinical diagnosis of asthma. * Participants must have either a positive skin prick test with a wheal diameter of ≥3mm greater than control test at 15 minutes, and/or a blood eosinophil count of \> 200 cells / µL and/or a FeNO level of \> 25 ppb at screening. * Participants must have a pre-bronchodilator FEV1 ≥65% predicted at screening * Participants must be using SABA alone or inhaled corticosteroids (ICS) with SABA or ICS with formoterol as reliever therapy, AND/OR regular use of low to mid-dose ICS with or without LABA at a stable dose for at least 3 months prior to randomization to control their asthma. Part B only * Participants must have …