Breathe Easier With Tadalafil Therapy for Dyspnea in COPD-PH — StellaPhase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.
Trial locations(5 sites)
United States
Rocky Mountain Regional VA Medical Center, Aurora, CO, Aurora, Colorado Atlanta VA Medical and Rehab Center, Decatur, GA, Decatur, Georgia VA Boston Healthcare System Jamaica Plain Campus, Jamaica Plain, MA, Boston, Massachusetts Omaha VA Nebraska-Western Iowa Health Care System, Omaha, NE, Omaha, Nebraska Providence VA Medical Center, Providence, RI, Providence, Rhode Island Age range
35 Years – 89 Years
Last updated February 2026