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RecruitingLast updated: 22 June 2026

A long-term follow-up study for people previously treated with Gene-modified T-cells in a clinical trialLong-Term Follow-up Protocol for Subjects Treated With Gene-Modified T Cells

Trial purpose

Medical clipboardLong-term follow-up

Tumor type

Multi-Cancer Multi-Cancer

Clinical summary

Summary

This is a prospective study for the long-term follow-up (LTFU) of safety and efficacy for all pediatric and adult participants exposed to Gene-modified (GM) T-cell therapy participating in a previous Celgene sponsored or Celgene alliance partner sponsored study.

Participants who received at least one infusion of GM T cells will be asked to enroll in this LTFU protocol upon either premature discontinuation from, or completion of the prior parent treatment protocol.

Conditions

This trial is treating people with people who have received at least one gene-modified T-cell infusion in a previous Celgene sponsored or Celgene alliance partner-sponsored trial, who have completed the post-treatment follow-up period in the parent trial

Eligibility

Inclusion

  • Received at least one gene-modified (GM) T-cell infusion in a previous Celgene sponsored or Celgene alliance partner-sponsored trial, and have discontinued, or completed the post-treatment follow-up period in the parent treatment protocol, as applicable.
  • Must understand and voluntarily sign an Informed Consent Form/Informed Assent Form prior to any study-related assessments/procedures being conducted.

Exclusion

Not Applicable

Other protocol-defined inclusion/exclusion criteria apply

Inclusion

  • You have previously participated in a certain specific clinical trial.
  • You have had a certain type of treatment or surgical procedure.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

Participating hospitals

Recruiting hospitals

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

  • NCT03435796 *
  • GC-LTFU-001; U1111-1206-8250; 2023-504201-36

Trial sponsor

Celgene

Scientific Title

Long-Term Follow-up Protocol for Subjects Treated With Gene-Modified T Cells

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