- Conditions
- Pulmonary Disease, Chronic Obstructive, Asthma, Adverse Effect of Beta-adrenoreceptor Antagonists
- Interventions
- Metoprolol succinate ER, Carvedilol
- Drug
- Lead sponsor
- VA Greater Los Angeles Healthcare System
- Federal
- Eligibility
- 40 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- Los Angeles, California
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