๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-07-28

Open-label Extension Study of Seralutinib in Adult Subjects With PAH (PROSERA-EXT) (NCT06274801)

An Open-label Extension Study Evaluating the Long-term Safety and Efficacy of Seralutinib Orally Inhaled for the Treatment of Pulmonary Arterial Hypertension (PAH)

๐ŸŸข Recruiting Phase3 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Gossamer Bio USA, Inc.

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

This open-label extension study will evaluate the long-term safety, tolerability and efficacy of orally inhaled seralutinib in subjects who have completed a previous seralutinib study

Who can join: Review the eligibility criteria below.

Location: Valley Advanced Lung Diseases Institute โ€” Fresno, California

Age range: 18 Years to 75 Years

๐Ÿงช Interventions in This Study

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (120 Sites)

Showing the first 25 of 120 sites.

  • Valley Advanced Lung Diseases Institute โ€” Fresno, California
  • Department of Veterans Affairs Greater Los Angeles Healthcare System โ€” Los Angeles, California
  • UC Davis Health Medical Center โ€” Sacramento, California
  • Stanford Healthcare โ€” Stanford, California
  • University of Florida Health โ€” Gainesville, Florida
  • Mayo Clinic Jacksonville โ€” Jacksonville, Florida
  • Piedmont Physicians Pulmonary & Sleep Medicine of Buckhead โ€” Atlanta, Georgia
  • The Emory Clinic โ€” Atlanta, Georgia
  • Northside Hospital - Atlanta โ€” Atlanta, Georgia
  • UI Health Hospital โ€” Chicago, Illinois
  • University of Kansas Medical Center โ€” Kansas City, Kansas
  • Norton Pulmonary Specialists โ€” Louisville, Kentucky
  • University of Michigan โ€” Ann Arbor, Michigan
  • Washington University School of Medicine โ€” St Louis, Missouri
  • University of Nebraska Medical Center โ€” Omaha, Nebraska
  • University of New Mexico Health Sciences Center โ€” Albuquerque, New Mexico
  • NYU Langone Health โ€” New York, New York
  • University of Rochester Medical Center โ€” Rochester, New York
  • UNC Hospitals โ€” Chapel Hill, North Carolina
  • University of Cincinnati Medical Center โ€” Cincinnati, Ohio
  • INTEGRIS Cardiovascular Physicians โ€” Oklahoma City, Oklahoma
  • The Hospital of the University of Pennsylvania โ€” Philadelphia, Pennsylvania
  • Temple Heart and Vascular Institute (Outpatient Clinic) โ€” Philadelphia, Pennsylvania
  • UPMC Presbyterian Hospital โ€” Pittsburgh, Pennsylvania
  • Medical University of South Carolina - Nexus Research Center โ€” Charleston, South Carolina

๐Ÿ“ž Contact the Study Coordinator

Phone: (866) 668-4083

Email: ClinicalTrials@gossamerbio.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—