Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04877613 · ClinicalTrials.gov registry record · Phase 1

GFRα4 CAR T Cells in MTC Patients

A Phase 1 study of Metastatic Medullary Thyroid Cancer and Recurrent Thyroid Gland Medullary Carcinoma, sponsored by University of Pennsylvania.

Active
Registry status
Phase 1
Development phase
18
Enrollment target
1
Study location

NCT04877613: Active Phase 1 study of Metastatic Medullary Thyroid Cancer and Recurrent Thyroid Gland Medullary Carcinoma, sponsored by University of Pennsylvania.

NCT04877613 is a Phase 1 study of Metastatic Medullary Thyroid Cancer and Recurrent Thyroid Gland Medullary Carcinoma that is active but no longer recruiting, run by University of Pennsylvania. The registered enrollment target is 18 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (70% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04877613, a Phase 1 study of Metastatic Medullary Thyroid Cancer and Recurrent Thyroid Gland Medullary Carcinoma, is active but no longer recruiting, sponsored by University of Pennsylvania.

ACTIVE NOT RECRUITING
Registry status
Phase 1
Development phase
18 participants
Enrollment target
1
Study location

Study Summary

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).

Interventions

  • DRUG Cyclophosphamide
  • DRUG Fludarabine
  • DRUG single dose of CART-GFRa4 cells

Study Locations (1)

Pennsylvania

  • University of Pennsylvania - Philadelphia

Trial Details

FieldValue
Enrollment Target 18 participants
Start Date 2021-08-19
Est. Completion 2039-06-01
Phase Phase 1
University of Pennsylvania

1,423 total trials

What the registry record for NCT04877613 still lists

NCT04877613 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 18 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (70% lower).

The record links to 2 conditions, with Metastatic Medullary Thyroid Cancer appearing as the primary indexed condition, and to 3 interventions - of which Cyclophosphamide is the first listed.

NCT04877613 reports a single indexed study location in Pennsylvania.

Frequently Asked Questions

What is clinical trial NCT04877613 about?

NCT04877613 is a clinical study titled "GFRα4 CAR T Cells in MTC Patients". 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 (MT...

What is the current status of trial NCT04877613?

This trial is currently active not recruiting. It is a Phase 1 study. The enrollment target is 18 participants. The study started on 2021-08-19. Estimated completion is 2039-06-01.

What conditions does trial NCT04877613 study?

This clinical trial studies the following conditions: Metastatic Medullary Thyroid Cancer, Recurrent Thyroid Gland Medullary Carcinoma.

What interventions are being tested in trial NCT04877613?

The interventions under investigation include: Cyclophosphamide (DRUG), Fludarabine (DRUG), single dose of CART-GFRa4 cells (DRUG).

Who is sponsoring clinical trial NCT04877613?

This trial is sponsored by University of Pennsylvania, which has 1,423 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04877613 being conducted?

This trial has 1 study location across Pennsylvania. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Metastatic Medullary Thyroid Cancer

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04877613's enrollment target sits among peer trials

18 1720th of 2000 higher than 216 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT01245179 · 18 participants · Phase 1

    Study of Panobinostat (LBH589) in Patients With Sickle Cell Disease

  • NCT01999361 · 18 participants · NA

    Prevention of de Novo Allosensitization in Islet Transplant Recipients Following Complete Graft Loss

  • NCT02359825 · 18 participants · Phase 1

    Nerve Repair Using Hydrophilic Polymers to Promote Immediate Fusion of Severed Axons and Swift Return of Function

  • NCT02870244 · 18 participants · Phase 1

    Adoptive T Cell Immunotherapy for Advanced Melanoma Using Engineered Lymphocytes

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT04877613, the US trial registry maintained by the National Library of Medicine. NCT04877613 (small enrollment · single site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.