Overview
The purpose of this study is to assess the long-term safety and to explore the efficacy of astegolimab in participants with chronic obstructive pulmonary disease (COPD) who have completed the 52-week placebo-controlled treatment period in parent studies GB43311 or GB44332.
Eligibility
Inclusion Criteria:
- Completion of the 52-week treatment period in either parent GB43311 or GB44332
Exclusion Criteria:
- Withdrawal of consent and/or premature discontinuation from parent study
- Any permanent discontinuation of study drug in parent study
- Significant non-compliance in the parent study, specifically defined as missing scheduled visits, per investigator's judgment
- Any new diagnosis of asthma according to the Global Initiative for Asthma guidelines or other accepted guidelines since enrolling in the parent study
- Any new clinically significant pulmonary disease other than COPD (e.g., pulmonary fibrosis, sarcoidosis, chronic pulmonary embolism or primary pulmonary hypertension, alpha-1-antitrypsin deficiency) since enrolling in the parent study
- Any new unstable cardiac disease, myocardial infarction, or New York Heart Association Class III or IV heart failure since enrolling in the parent study