Massive castleman disease registry launches to unlock secrets of rare illness
NCT ID NCT02817997
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is a global registry for people with Castleman disease, a rare lymph node disorder. Researchers will collect medical records, lab results, and patient surveys from up to 1,000 participants to better understand symptoms, treatments, and outcomes. No experimental drug or intervention is given—the goal is simply to gather information to guide future research and care.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this registry could help doctors better understand Castleman disease, identify patient subtypes, and improve future treatments.
- What could go wrong
- This is an observational registry, not a treatment trial. It collects data only and does not test any new therapy, so direct patient benefits are unlikely.
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 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Start date
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Oct 2016
- Expected to finish
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Sep 2027
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
Castleman Disease patients worldwide
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- 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: * Person of any age * Have a reference pathology report suggesting "Castleman disease" not limited to cutaneous involvement only that can be uploaded * Be able to provide electronic informed consent, as per local regulations * Deceased patients may also be enrolled when a reference pathology report suggesting "Castleman disease" can be supplied or when the ART is able to locate and upload such a pathology report. Exclusion Criteria: * Because this registry is designed to provide as wide a picture of routine clinical practice as possible, inclusion criteria are set deliberately wide and there are no exclusion 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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University of Pennsylvania
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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