🏛️ Verified NIH Record • Updated 2026-02-10

Assess Long-Term Safety of Danicopan Add-on Therapy in Participants With Paroxysmal Nocturnal Hemoglobinuria: Analysis of IPIG-Registry Data (NCT07413250)

A Study to Assess Long-Term Safety of Danicopan Add-on Therapy in Participants With Paroxysmal Nocturnal Hemoglobinuria: Analysis of International PNH Interest Group (IPIG)-Registry Data

🔵 Active, Not Recruiting Interventional Protocol 📊 Observational Clinical Research Sponsor: Alexion Pharmaceuticals, Inc.

🩺 Plain-English Summary (8th-Grade Level)

This is a noninterventional registry-based cohort study utilizing data collected on danicopan-treated patients with paroxysmal nocturnal hemoglobinuria (PNH) through the International PNH Interest Group (IPIG) PNH registry. The primary objectives seek to characterize the long-term safety profile of danicopan as add-on therapy to ravulizumab/eculizumab in participants with PNH.

Who can join: To join this study, participants generally need to meet the listed inclusion criteria (2 items) and avoid the listed exclusions (2 items).

Location: Clinical Research Site — Boston, Massachusetts

Age range: 18 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Check every box below. If you can check all of them, you may meet the study's basic screening requirements (final eligibility is confirmed by the site team).

Usually NOT eligible if any of the following apply:

  • Exclusion Criteria:
  • Participants without known year of birth, sex, informed consent date, or treatment status of danicopan and Ultomiris and/or Soliris.

🔍 Extracted verbatim from the official NIH eligibility criteria. Always confirm with the study coordinator.

📍 All Participating Trial Locations (1 Sites)

  • Clinical Research Site — Boston, Massachusetts

💰 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 § 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.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  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.
🏛️ View Official NIH Record ↗