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NCT03967223 · ClinicalTrials.gov registry record · Phase 2

Master Protocol to Assess the Safety and Antitumor Activity of Genetically Engineered T Cells in NY-ESO-1 and/or LAGE-1a Positive Solid Tumors

A Phase 2 study of Neoplasms, sponsored by Uswm CT.

Active
Registry status
Phase 2
Development phase
103
Enrollment target
20
Study locations

NCT03967223: Active Phase 2 study of Neoplasms, sponsored by Uswm CT.

NCT03967223 is a Phase 2 study of Neoplasms that is active but no longer recruiting, run by Uswm CT. The registered enrollment target is 103 participants, below the 1,621-participant average among 158 other Neoplasms trials with a reported enrollment target (94% lower). The trial reports 20 study locations across 16 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03967223, a Phase 2 study of Neoplasms, is active but no longer recruiting, sponsored by Uswm CT.

ACTIVE NOT RECRUITING
Registry status
Phase 2
Development phase
103 participants
Enrollment target
20
Study locations

Study Summary

This trial will evaluate safety and efficacy of human engineered T-cell therapies, in participants with advanced tumors.

Primary Outcome

Overall response rate is defined as the percentage of participants with a confirmed complete response (CR) or partial response (PR) relative to the total number of participants within the analysis population at any time per Response Evaluation Criteria in Solid Tumors (RECIST) version (v) 1.1. as determined by the local investigators.

Conditions Studied

Interventions

  • DRUG Cyclophosphamide
  • DRUG Fludarabine
  • DRUG Letetresgene autoleucel (lete-cel, GSK3377794)

Study Locations (20)

California

  • City of Hope National Medical Center - Duarte
  • Stanford Hospital and Clinics - Stanford

Massachusetts

  • Dana Farber Cancer Institute - Boston
  • Massachusetts General Hospital - Boston

Minnesota

  • Minnesota Oncology Hematology - Minneapolis
  • Mayo Clinic Rochester - Rochester

Texas

  • University Of Texas Southwestern Medical Center - Dallas
  • University of Texas Southwestern Medical Center - Dallas

Colorado

  • Sarah Cannon Research Institute - Denver

Florida

  • Mayo Clinic Jacksonville - Jacksonville

Illinois

  • University of Chicago - Chicago

Iowa

  • University of Iowa College of Medicine - Iowa City

Trial Details

FieldValue
Enrollment Target 103 participants
Start Date 2019-12-31
Est. Completion 2026-07-31
Phase Phase 2
Uswm CT

7 total trials

What the registry record for NCT03967223 still lists

NCT03967223 is an interventional study that assigns participants to a tested intervention. The registered 103 participants enrollment target is mid-sized for trials with a published cap, below the 1,621-participant average among 158 other Neoplasms trials with a reported enrollment target (94% lower).

The record links to 1 condition, with Neoplasms appearing as the primary indexed condition, and to 3 interventions - of which Cyclophosphamide is the first listed.

NCT03967223 names 20 study sites across 16 states, led by California, Massachusetts, Minnesota.

Frequently Asked Questions

What is clinical trial NCT03967223 about?

NCT03967223 is a clinical study titled "Master Protocol to Assess the Safety and Antitumor Activity of Genetically Engineered T Cells in NY-ESO-1 and/or LAGE-1a Positive Solid Tumors". This trial will evaluate safety and efficacy of human engineered T-cell therapies, in participants with advanced tumors.

What is the current status of trial NCT03967223?

This trial is currently active not recruiting. It is a Phase 2 study. The enrollment target is 103 participants. The study started on 2019-12-31. Estimated completion is 2026-07-31.

What conditions does trial NCT03967223 study?

This clinical trial studies the following conditions: Neoplasms.

What interventions are being tested in trial NCT03967223?

The interventions under investigation include: Cyclophosphamide (DRUG), Fludarabine (DRUG), Letetresgene autoleucel (lete-cel, GSK3377794) (DRUG).

Who is sponsoring clinical trial NCT03967223?

This trial is sponsored by Uswm CT, which has 7 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03967223 being conducted?

This trial has 20 study locations across California, Colorado, Florida, Illinois, Iowa. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Neoplasms

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 NCT03967223's enrollment target sits among peer trials

103 70th of 158 higher than 89 of 158 other Neoplasms trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Neoplasms 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

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

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Source: ClinicalTrials.gov NCT03967223, the US trial registry maintained by the National Library of Medicine. NCT03967223 (mid enrollment · wide site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.