New study sheds light on mysterious immune disease in adults
NCT ID NCT03117010
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is following 81 adults with a rare condition called hemophagocytic lymphohistiocytosis (HLH), where the immune system becomes dangerously overactive. Researchers aim to better understand the disease's features and how patients respond to treatments like steroids and chemotherapy. Participants will be regularly monitored by doctors to track their progress and outcomes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 81 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2017
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Subjects who have clinical and laboratory manifestations related with hemophagocytic lymphohistiocytosis.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Subjects should fulfill the following criteria 1. Subjects should have at least one of the following problems 1. Presence of hemophagocytosis in tissue or bone marrow 2. Presence of at least 3 conditions among 8 conditions of HLH diagnostic criteria 2. Age \> 18 years 3. Written informed consents Exclusion Criteria: * Subjects cannot satisfy the inclusion criteria
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Samsung Medical Center
RECRUITINGSeoul, 135-710, South Korea
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Large study aims to uncover best treatments for lymphoma patients with dangerous immune reaction
- New HLH registry aims to unlock secrets of rare immune disease
- New hope for adults with HLH: gentler treatment combo under study
- Massive registry launched to see if Blood-Filtering device helps sickest patients
- New study aims to crack the code of autoimmune diseases