Gene therapy patients monitored for 15 years to spot hidden side effects
NCT ID NCT04266093
First seen Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 17 times
Summary
This study follows up to 1,000 adults who previously received gene therapy in a National Cancer Institute study. Researchers will contact participants yearly for up to 15 years to check for any long-term side effects, such as new cancers or nerve problems. No new treatments are given; the goal is to collect safety data for the FDA.
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.
- Started
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May 2020
- Expected to finish
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Oct 2050
An estimate. End dates often move.
- Lead sponsor
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A government research agency
The lead sponsor is the US National Institutes of Health.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
To facilitate collection of long term follow up information on subjects who have participated in gene transfer studies as required by the U.S. Food and Drug Administration and other regulatory groups
- Ages
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18 to 120 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
* INCLUSION CRITERIA: * Subjects who have enrolled on an applicable NCI CIO gene therapy treatment protocol. Age \>= 18 years. Note: Children are generally excluded from CIO gene therapy studies and inclusion on this follow-up study will be limited to 18 years and older. EXCLUSION CRITERIA: -Children
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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
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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National Institutes of Health Clinical Center
Bethesda, Maryland, 20892, United States
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