Trial Comparing the Safety and Efficacy of Two Different Oral VPV Doses With Placebo as Treatment for RV in Participants With COPD

Inclusion Sign informed consent for study participation and medical records release (if needed). Male or female age ≥40 years and ≤85 years at the time of signing the informed consent at Screening. If sexually active and/or of child-bearing potential (both females and males), must agree to use a highly effective form of contraception at the time of randomization until 30 days (females) or 90 days (males) after the last dose. Female participants may not use hormonal birth control as a sole method. Participants will be asked to commit to this criterion at screening even though it does not need to be implemented until treatment is received. See Section 11.2 below. Confirmed diagnosis of COPD, defined as chronic cough, sputum production, and/or dyspnea with airflow obstruction which is not fully reversible (that is, post bronchodilator FEV1/FVC ratio