Clinical trial Recruiting at 1 site Observational

Global registry for patients with Paroxysmal Nocturnal Hemoglobinuria

Official title: Global Paroxysmal Nocturnal Hemoglobinuria (PNH) Patient Registry

Run by Aplastic Anemia and MDS International Foundation · NCT05755867 · Data updated 2026-11-12

This study is collecting information from people with Paroxysmal Nocturnal Hemoglobinuria to better understand the condition and improve care for patients.

More Paroxysmal Nocturnal Hemoglobinuria trials

Quick facts

Study typeObservational
SexAll
Enrollment500 (estimated)
SponsorAplastic Anemia and MDS International Foundation
Academic / other
Locations1 site (Bethesda, Maryland)
StatusRecruiting
StartedMay 6, 2021
Main results expectedMay 6, 2026
Study endsMay 6, 2031
Registry record updatedFebruary 20, 2025
Trial IDNCT05755867 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals of any age with a confirmed diagnosis of PNH or a diagnosis consistent with PNH.

Probably not a fit

Patients who cannot read and understand English may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The Global PNH Patient Registry aims to create a comprehensive natural history study of Paroxysmal Nocturnal Hemoglobinuria (PNH) by collecting data from participants over time. This observational registry allows individuals with PNH to self-report their experiences and health status through a convenient online platform. The study will gather information on demographics, quality of life, medical history, and disease progression, which will help enhance understanding of PNH and inform standards of care. An Advisory Board will oversee the study to ensure proper data use and participant confidentiality.

Why it matters

Potential benefit: If successful, this registry could significantly improve the understanding of PNH and lead to better patient care and treatment recommendations.

How similar studies have gone: Other patient registries have shown success in enhancing understanding of rare diseases, making this approach promising.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

\- Individuals of any age with a confirmed diagnosis of PNH or diagnosis consistent with PNH are eligible for inclusion. PNH is defined as a genetic mutation in the PIG-A gene.

Individuals must be willing to provide informed consent. Participants can be:

* legal adult participants who are able to provide their own consent;
* children and adults unable to provide their own consent, for whom consent must be provided by a Legally Authorized Representative (LAR) who is a legal adult.
* Individuals must have at least periodic access to the internet and be able to comply with web-based study procedures and data collections

Exclusion Criteria:

* Individuals not able to read and understand English.

Where it's running

  • Aplastic Anemia and MDS International Foundation
    Bethesda, Maryland, United States
    Recruiting

Study contacts

  • Principal investigator: Alice Houk, MS — Aplastic Anemia and MDS International Foundation
  • Study coordinator: Alice Houk, MS
  • Email: houk@aamds.org
  • Phone: 3012797202

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Oral HS-10542 for paroxysmal nocturnal hemoglobinuria

    This study will test whether the oral drug HS-10542 can reduce hemolysis and raise hemoglobin in adults with PNH, including those not fully helped by C5 inhibitor therapy.

    Recruiting Phase 1/2 Jiangsu Hansoh Pharmaceutical Co., Ltd. · Hangzhou, Zhejiang · NCT07470762

  • Danicopan added to ravulizumab or eculizumab for PNH in Korea

    This will see if adding Danicopan to ravulizumab or eculizumab is safe and helps people with PNH who are treated in routine care in Korea.

    Recruiting at 3 sites AstraZeneca · Busan and 3 other locations · NCT07457151

  • Iptacopan use in Korean patients with PNH or C3G

    This post-marketing surveillance study tests how well iptacopan works and how safe it is for Korean adults with PNH or C3G in real-world care.

    Recruiting at 3 sites Novartis · Jeollanam and 2 other locations · NCT07416162

  • Pozelimab + cemdisiran for adults with PNH whose current treatment isn't working

    This trial tests whether combining pozelimab and cemdisiran can better reduce hemolysis in adults with PNH whose C5 inhibitor treatment isn’t controlling their disease.

    Recruiting at 20 sites Phase 3 Regeneron Pharmaceuticals · Ribeirão Preto, São Paulo and 19 other locations · NCT07154745

  • Evaluating MY008211A for treating anemia in PNH patients on anti-C5 therapy

    This study is testing a new treatment called MY008211A to see if it can help people with PNH who still have anemia even while on anti-C5 therapy.

    Recruiting Phase 3 Wuhan Createrna Science and Technology Co., Ltd · Beijing, Beijing Municipality · NCT06932471

  • Iptacopan treatment for adults with PNH in China

    This study will try iptacopan (LNP023) in adults with PNH in China to see if it improves clinical and laboratory outcomes and changes healthcare use.

    Recruiting at 14 sites Novartis · Hefei, Anhui and 13 other locations · NCT06931691

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.