Clinical trial Recruiting at 1 site Observational Ages 18 and up

Long-term follow-up for patients previously treated with poxviral vector gene therapy

Official title: Follow-Up Study of Subjects Previously Enrolled in Immunotherapy Studies Utilizing Gene Transfer or Other Immunotherapeutic Agents

Run by National Institutes of Health Clinical Center (CC) · NCT00451022 · Data updated 2026-11-12

This study is checking on the long-term health of cancer patients who received poxviral vector gene therapy to see how they are doing years later.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment750 (estimated)
SponsorNational Institutes of Health Clinical Center (CC)
NIH
Drugs / interventionsimmunotherapy
Locations1 site (Bethesda, Maryland)
StatusRecruiting
StartedSeptember 13, 2004
Registry record updatedNovember 9, 2026
Trial IDNCT00451022 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older who previously received poxviral vectors or other immunotherapeutic agents in affiliated trials.

Probably not a fit

Patients who did not participate in prior poxviral vector studies or are unwilling to participate 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 focuses on the long-term follow-up of patients who were previously enrolled in studies involving poxviral vector gene therapy for various cancers. Participants will undergo annual health assessments for up to 15 years to monitor their health status and any potential long-term effects of the gene therapy. The study aims to ensure compliance with new reporting requirements for adverse events associated with gene therapy. It does not involve any new treatments or interventions but emphasizes the importance of ongoing health monitoring.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the long-term safety and health outcomes of patients who received gene therapy.

How similar studies have gone: Other studies have shown the importance of long-term follow-up in gene therapy, indicating that this approach is supported by previous findings.

Who can join: the full rules

Show full inclusion / exclusion criteria
* INCLUSION CRITERIA:
* Subjects who received poxviral vectors (vaccinia and/or fowlpox) or other vaccines utilizing gene transfer or any other immunotherapeutic agent through GMB, UOB and LTIB affiliated trials at the National Cancer Institute, as well as subjects at extramural sites receiving these agents as part of a multi-site trial. Available stored specimens obtained from NCI participants in GMB, UOB, and LTIB affiliated protocols may be transferred to this protocol for storage and eventual future research use.
* Subjects must be \>= 18 years of age.

EXCLUSION CRITERIA:

Participants unwilling to participate.

(Please note, participants may participate in this protocol and, at the same time, participate in an active treatment or continuing care study.)

Where it's running

  • National Institutes of Health Clinical Center
    Bethesda, Maryland, 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.