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Gynecologic CancerPhase 1/2NCT05194735

Phase I/II Study of Autologous T Cells to Express T-Cell Receptors (TCRs) in Subjects With Solid Tumors

A Phase 1/2 study testing Neoantigen specific TCR-T cell drug product and Aldesleukin (IL-2) in people with Gynecologic Cancer and Colorectal Cancer, run by Alaunos Therapeutics at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

A Phase I/II study of autologous T cells engineered using the Sleeping Beauty transposon/transposase system to express TCR(s) reactive against neoantigens in subjects with relapsed/refractory solid tumors Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Neoantigen specific TCR-T cell drug product and Aldesleukin (IL-2)
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
8 participants
Where
1 siteUnited States
Study dates
4 Apr 2022to 14 Aug 2023
Phase
Phase 1/2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients who have completed the HLA Typing and Tumor Neoantigen Identification Protocol (TCR001-002) and for whom a TCR(s) matching the subject's somatic mutation(s) and HLA type restriction combination is available in Alaunos' Clinical TCR library
  • Patients who have previously received at least one line of standard systemic therapy for their advanced/metastatic cancer and have either progressed, recurred, or were intolerant to the previous treatment. Specifically:
  • Subgroup 1. Gynecologic cancers (i.e., ovarian or endometrial):
  • Ovarian cancer
  • Endometrial cancer
  • Subgroup 2. Colorectal cancer
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  • Subgroup 3. Pancreatic cancer
  • Subgroup 4. Non-small cell lung cancer (NSCLC)
  • Subgroup 5. Cholangiocarcinoma
  • Patients must have evaluable or measurable disease per RECIST 1.1 with at least one lesion that can be measured that is not the biopsied lesion.
  • Patients must be able to provide written informed consent.
  • Patients must be age ≥ 18 years.
  • Clinical Performance Status of ECOG 0 or 1. Approval from the Alaunos Medical Monitor is required for ECOG of 2.
  • Patient must be willing and able to provide written informed consent for the long-term follow-up protocol (TCR001-202) for up to 15 years post TCR-T Cell drug product infusion per FDA requirements.
  • Adequate bone marrow reserves as assessed by the following hematology laboratory criteria:
  • Adequate major organ system function
  • A washout period must have elapsed since completion of any prior systemic therapy, and apheresis with guidelines as follows (windows other than what is listed below should be allowed only after consultation with the Medical Monitor); subjects' non-hematologic toxicities from any prior systemic therapy must have recovered to ≤ Grade 1 (with the exception of neuropathy and alopecia) or baseline prior to starting the protocol's therapy.
  • Patients may have undergone minor surgical procedures or limited-field radiotherapy provided any major organ toxicities have recovered to ≤ Grade 1.
  • Female patients must not be pregnant or breastfeeding.

Who cannot join

  • Patients with known active CNS metastases
  • Concurrent systemic steroid therapy
  • Any form of primary immunodeficiency
  • Patients who have decreased immune competence
  • History of severe immediate hypersensitivity reaction to cyclophosphamide, fludarabine, aldesleukin or bendamustine
  • Severe chronic respiratory condition
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  • History of a bleeding disorder or unexplained major bleeding diathesis
  • Arm B Criteria only: Clinically significant patient history which in the judgment of the principal investigator (PI) would compromise the subject's ability to tolerate high-dose aldesleukin;
  • Any major bronchial occlusion or bleeding not amenable to palliation.
  • Patients with psychiatric illness/social situations at the time of treatment that would limit compliance with study requirements.
  • Participants with known active, uncontrolled bacterial, fungal, or viral infection
  • Patients with a prior history or concurrent malignancy
  • Active unstable or clinically significant medical condition
  • History of any major cardiovascular conditions within the past 6 months

Trial locations and contacts

1 site in 1 country.

United States1 site
  • MD Anderson Cancer Center

    Houston, Texas, 77030

Other trials in United States

About this study

Official title: Phase I/II Study of Autologous T Cells Engineered Using the Sleeping Beauty System to Express T-Cell Receptors (TCRs) Reactive Against Cancer-specific Mutations in Subjects With Solid Tumors

A Phase I/II study of autologous T cells engineered using the Sleeping Beauty transposon/transposase system to express TCR(s) reactive against neoantigens in subjects with relapsed/refractory solid tumors

Read the detailed description

A Phase I/II study of autologous T cells engineered using the Sleeping Beauty transposon/transposase system to express TCR(s) reactive against neoantigens in subjects with relapsed/refractory solid tumors.

An HLA Typing and Tumor Neoantigen Mutation Testing Protocol (Protocol # TCR001-002) has been used to identify patients for potential enrollment into this Study Protocol. Subjects who have completed the HLA Typing and Tumor Neoantigen Mutation Testing Protocol, i.e., subjects for whom a TCR matching the subject's somatic mutation(s) and HLA type restriction combination is available in Alaunos' TCR library will be eligible for enrollment on this study.

The Phase I part of this study is a prospective, open-label, dose-escalation study of TCR-T cell drug product in patients with progressive or recurrent solid tumors who have failed standard therapy. The Phase II part is a prospective, open-label, single dose portion of the study. The Phase II part will begin once the MTD/RP2D in the Phase I part has been determined.

Subjects with one of the following histologically confirmed solid tumors will be included:

  • Cohort 1: Gynecologic cancer (e.g., ovarian, endometrial)
  • Cohort 2: Colorectal cancer
  • Cohort 3: Pancreatic cancer
  • Cohort 4: Non-small cell lung cancer (NSCLC); NSCLC includes but is not limited to squamous cell carcinoma, adenosquamous carcinoma or adenocarcinomas
  • Cohort 5: Cholangiocarcinoma

Subject must have a tumor mutation and HLA typing combination that matches to at least one of the following TCRs in the Alaunos' library (mutation \& HLA type):

  • KRAS G12D \& HLA-A*11:01
  • KRAS G12D \& HLA-C*08:02
  • KRAS G12V \& HLA-A*11:01
  • KRAS G12V \& HLA-C*01:02
  • TP53 R175H \& HLA-A*02:01
  • TP53 R175H \& HLA-DRB1*13:01
  • TP53 R248W \& HLA-A*68:01
  • TP53 Y220C \& HLA-A*02:01
  • TP53 Y220C \& HLA-DRB3*02:02
  • EGFR E746-A750del \& HLA-DPA1*02:01, DPB1*01:01
Being tested
Neoantigen specific TCR-T cell drug product, Aldesleukin (IL-2)
Keywords
adoptive cell therapy, neoantigen, T cell receptor, T lymphocyte, TCR-engineered T cells, cell therapy, immunotherapy, IL-2, Gene therapy
Medical subject headings
Colorectal Neoplasms, Pancreatic Neoplasms, Carcinoma, Non-Small-Cell Lung, Cholangiocarcinoma, Ovarian Neoplasms, Endometrial Neoplasms, Adenocarcinoma of Lung

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Neoantigen specific TCR-T cell drug productBiological

    Phase I:

    Ascending dose, single Infusion of TCR+ Cells

    Phase II:

    Single infusion at the RP2D

  • Aldesleukin (IL-2)Biological

    To support growth and activation of TCR-T cell drug product

Study groups in NCT05194735
Study groupRoleWhat they receive
TCR-T Cell Drug ProductExperimentalPhase I: Dose-escalation of TCR-T Cell Drug Product Phase II: Single dose of TCR-T Cell Drug Product after MTD/RP2D determine in Phase I portion of the study
Receives: Biological: Neoantigen specific TCR-T cell drug product
TCR-T Cell Drug Product with Aldesleukin (IL-2)ExperimentalPhase I: Dose-escalation of TCR-T Cell Drug Product with Aldesleukin (IL-2) Phase II: Single dose of TCR-T Cell Drug Product with Aldesleukin (IL-2) after MTD/RP2D determine in Phase I portion of the study
Receives: Biological: Neoantigen specific TCR-T cell drug product; Biological: Aldesleukin (IL-2)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Participants With Treatment-Emergent Adverse Events

    Treatment-emergent adverse events (TEAEs) were defined as any adverse event that began or worsened after initiation of lymphodepletion and up to 28 days following TCR-T cell infusion. TEAEs were coded using MedDRA and summarized by system organ class and preferred term, severity, and relationship to study treatment. Participants were followed for delayed or ongoing toxicities for up to 1 year.

    Measured: From initiation of lymphodepletion through Day 28 after TCR-T cell infusion, and through long-term follow-up for up to 1 year.

  2. Frequency of Dose Limiting Toxicities

    Number of participants experiencing DLTs, defined as specific adverse events attributable to the TCR-T cell drug product occurring within the first 28 days of infusion. DLTs include, but are not limited to, Grade 4 neutropenia lasting ≥ 14 days, Grade 4 thrombocytopenia, Grade 3 thrombocytopenia with significant bleeding, and ≥ Grade 3 febrile neutropenia with hemodynamic compromise. Non-hematologic DLTs include Grade 3 or 4 Cytokine Release Syndrome (CRS) that does not improve to Grade ≤ 2 within 72 hours, and Grade 3 Immune-effector cell-associated neurotoxicity syndrome (ICANS) that does not resolve to Grade ≤ 2 within 7 days, among others. The severity of adverse events will be graded using the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0.

    Measured: From Day 0 to Day 28 post TCR-T cell drug product infusion.

  3. Determination of Maximum Tolerated Dose (MTD) or Recommended Phase II Dose (RP2D)

    The MTD and/or RP2D was to be determined based on dose-limiting toxicities observed during the dose-escalation phase. The planned definition required ≥2 patients at a given dose level to experience a DLT to declare that dose not tolerated.

    Measured: From Day 0 to Day 28 post TCR-T cell drug product infusion.

Secondary outcomes (3)
  1. Feasibility of TCR-T Cell Drug Product Manufacturing

    Feasibility will be assessed by the number of participants who met eligibility criteria at each step of the manufacturing process, including inability to undergo apheresis, failure of product manufacture, manufactured product not infused, and successful manufacture and infusion of TCR-T cell drug product.

    Measured: From apheresis collection to the release of the final TCR-T cell drug product for infusion, estimated to be approximately 5 weeks

  2. TCR-T Cell Persistence

    Persistence of TCR-T cells in peripheral blood was assessed by quantitative PCR for vector copy number per 1 × 10⁶ cells at baseline (1 week prior to infusion), predose (Day 0), and multiple post-infusion time points through Month 18. Only quantifiable values are summarized. Samples with "Not Detected (ND)" or "Below the Limit of Quantitation (BLOQ)" are reported as NA and excluded from summary statistics.

    Measured: Baseline through Month 18 post-infusion.

  3. Percent Change in TCR-T Cell Count From Post Dose to Day 28

    Assessed by comparing each participant's highest post-dose TCR-T cell count (copies per 1×10⁶ cells by qPCR) to the TCR-T cell count at Day 28. Percent change was calculated as: ((Day 28 - peak post-dose) / peak post-dose) × 100.

    Measured: Post-dose through Day 28

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Jan 2022
  2. Study start4 Apr 2022
  3. Primary completion14 Aug 2023
  4. Study completion14 Aug 2023

Why it stopped: Funding

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Sequential
Masking
None (open label)
Enrolment
8 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05194735
Sponsor's protocol ID
TCR001-201
Status last verified
Oct 2025
First submitted
6 Dec 2021
Last updated
10 Nov 2025
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Publications

  • Levy PL, Gros A. Fast track to personalized TCR T cell therapies. Cancer Cell. 2022 May 9;40(5):447-449. doi: 10.1016/j.ccell.2022.04.013. Epub 2022 May 9.

    PubMed 35537408

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Neoantigen specific TCR-T cell drug product and Aldesleukin (IL-2) in people with Gynecologic Cancer and Colorectal Cancer, run by Alaunos Therapeutics at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 19 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 10 Nov 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 10 Nov 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Participants With Treatment-Emergent Adverse Events (time frame: From initiation of lymphodepletion through Day 28 after TCR-T cell infusion, and through long-term follow-up for up to 1 year.). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05194735, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Nov 2025.

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