Clinical trial Recruiting at 1 site Observational

Registry for patients with Hemophagocytic Lymphohistiocytosis

Official title: INTO-HLH- Insight Into the Natural History and Treatment Outcomes of Hemophagocytic Lymphohistiocytosis (HLH): A Disease Registry for Patients With HLH

Run by Children's Hospital Medical Center, Cincinnati · NCT05277272 · Data updated 2026-11-12

This study is collecting information from patients with Hemophagocytic Lymphohistiocytosis to better understand the condition and improve future treatments.

More Hemophagocytic Lymphohistiocytoses trials

Quick facts

Study typeObservational
SexAll
Enrollment200 (estimated)
SponsorChildren's Hospital Medical Center, Cincinnati
Academic / other
Locations1 site (Cincinnati, Ohio)
StatusRecruiting
StartedDecember 31, 2021
Main results expectedJanuary 2027
Study endsJanuary 2027
Registry record updatedFebruary 24, 2026
Trial IDNCT05277272 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study include patients with clinically suspected or confirmed HLH, including those meeting the HLH-2004 diagnostic criteria.

Probably not a fit

Patients who do not have clinically suspected or confirmed HLH will 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

This observational study aims to collect comprehensive data on the natural history of Hemophagocytic Lymphohistiocytosis (HLH), including aspects such as diagnosis, treatment responses, and patient outcomes. The study seeks to address the significant gaps in understanding the clinical diversity and complications associated with HLH, particularly in North America. By establishing a robust registry, the collaboration between Cincinnati Children's Hospital Medical Center, Texas Children's Hospital, and Sobi Inc. will facilitate better insights into HLH and potentially guide future treatment strategies.

Why it matters

Potential benefit: If successful, this registry could lead to improved understanding and management of HLH, ultimately enhancing patient outcomes.

How similar studies have gone: While there have been studies on HLH, this registry approach is novel in its comprehensive data collection focused on the North American population.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with clinically suspected or confirmed HLH, including those meeting the HLH-2004 diagnostic criteria (primary or secondary forms, including malignancy) and other forms of HLH (macrophage activation syndrome \[MAS\], cytokine release syndrome \[CRS\], etc.)
* Signed and dated informed consent and assent (adolescents)

Exclusion Criteria:

* None

Where it's running

  • Cincinnati Children's Hospital Medical Center
    Cincinnati, Ohio, United States
    Recruiting

Study contacts

Similar studies

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

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.