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Clinical trialNCT04877613Active, not recruitingPhase 1Interventional

GFRα4 CAR T Cells in MTC Patients

SponsorUniversity of PennsylvaniaEnrollment9Metastatic Medullary Thyroid CancerRecurrent Thyroid Gland Medullary Carcinoma
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is an open-label phase 1 study to assess the safety and feasibility of autologous T cells expressing a single-chain scFv targeting GFRα4 with tandem TCR/CD3ζ and 4-1BB (TCRζ/4-1BB) co-stimulatory domains (referred to as "CART-GFRa4 cells") in patients with incurable medullary thyroid cancer (MTC).
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • University of Pennsylvania

    Philadelphia, Pennsylvania, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Cyclophosphamide →Fludarabine →Single dose of CART-GFRa4 cells
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
19 Aug 2021
Primary completion
1 Jun 2039
Completion
1 Jun 2039
Last update posted
22 Jul 2026
Registered enrollment
9
Registry id
NCT04877613
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.