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Breast CancerPhase 1STARLINGNCT05576077

A Study of TBio-4101 (TIL) and Pembrolizumab in Patients With Advanced Solid Tumors

A Phase 1 study testing TBio-4101 and Pembrolizumab in people with Breast Cancer and Colorectal Cancer, run by Turnstone Biologics, Corp. at 13 sites in 2 countries.

Terminated

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

Official record
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Trial summary

A multicenter trial to investigate TBio-4101, an autologous, neoantigen-selected, tumor-reactive TIL product, in patients with advanced solid malignancies. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Breast Cancer, Colorectal Cancer, Uveal Melanoma
What is being tested?
TBio-4101 and Pembrolizumab
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
31 participants
Where
13 sitesin 2 countries
Study dates
17 Jan 2023to 24 Feb 2025
Phase
Phase 1
Are there results?
None posted in the registry

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 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Advanced or metastatic breast carcinoma, colorectal adenocarcinoma, uveal melanoma, cutaneous melanoma, non-small cell lung cancer, or head and neck squamous cell carcinoma that has failed or is refractory to standard of care therapy
  • Have at least one target lesion that can be used for response assessments and have at least 1 tumor amenable for tissue harvest for TIL manufacturing.
  • ECOG performance status of 0 or 1
  • Demonstrate adequate organ function
  • Additional inclusion criteria exist

Who cannot join

  • Known additional malignancy that is progressing or has required active treatment within the past 3 years
  • Diagnosis of immunodeficiency or receiving chronic systemic steroid therapy or any other form of immunosuppressive
  • Currently infected with HIV Type 1 and Type 2, hepatitis B virus (HBV), hepatitis C virus (HCV), treponema pallidum (e.g., syphilis), West Nile virus (WNV), Human T-lymphotropic virus types 1 or II (HTLV I/II), or cytomegalovirus (CMV)
  • Known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Patients with previously treated brain metastases may participate provided they are radiologically stable
  • Serious cardiac condition, such as uncontrolled hypertension, concurrent congestive heart failure, prior history of Class III/IV cardiac disease (New York Heart Association [NYHA]), history of cardiac ischemia within the past 6 months, or prior history of cardiac arrhythmia requiring treatment. Patients who are > 60 years of age must undergo cardiology clearance exam and cardiac stress test.
  • Prior cell therapy or organ transplant
Show all 11Show fewer
  • History of severe immediate hypersensitivity reaction to cyclophosphamide, fludarabine, IL-2, or pembrolizumab, or any of their constituents
  • LVEF ≤ 45%
  • FEV1 ≤ 60% of predicted value and DLCO (corrected) < 60% of predicted value
  • Chronic anti-coagulant therapy that cannot either be discontinued or temporarily changed
  • Additional exclusion criteria exist

Trial locations and contacts

13 sites in 2 countries.

13 sites in 2 countries

United States11 sites
  • University of Chicago

    Chicago, Illinois, 60637

  • Memorial Healthcare System

    Hollywood, Florida, 33021

  • MD Anderson Cancer Center

    Houston, Texas, 77030

  • University of California Irvine

    Irvine, California, 92868

  • Norton Cancer Institute

    Louisville, Kentucky, 40202

  • University of Miami

    Miami, Florida, 33136

  • Medical College of Wisconsin

    Milwaukee, Wisconsin, 53226

  • Orlando Health

    Orlando, Florida, 32806

  • Allegheny Research Institute

    Pittsburgh, Pennsylvania, 15224

  • Providence Cancer Institute

    Portland, Oregon, 97213

  • Moffitt Cancer Center

    Tampa, Florida, 33612-9497

Other trials in United States

Canada2 sites
  • Montreal University Hospital Center

    Montreal, Quebec, H2X 0C1

  • Princess Margaret Cancer Centre

    Toronto, Ontario, M5G 2C1

Other trials in Canada

About this study

Official title: A Phase 1b Study of TBio-4101 (Autologous Selected and Expanded Tumor-Infiltrating Lymphocytes [TIL]) and Pembrolizumab in Patients With Advanced Solid Tumor Malignancies (STARLING)

A multicenter trial to investigate TBio-4101, an autologous, neoantigen-selected, tumor-reactive TIL product, in patients with advanced solid malignancies.

Read the detailed description

This is a Phase 1 study to investigate TBio-4101. TBio-4101 is an autologous tumor infiltrating lymphocyte (TIL) therapy that utilizes tumor specific antigens to select, sort, and expand patient-specific tumor-reactive T-cells to be reinfused into the patient. The adoptive cell therapy is further enhanced through the use of non-myeloablative chemotherapy prior to TIL infusion, followed by the TIL plus IL-2 infusion. Low-dose radiation therapy is administered prior to and after TIL plus IL-2 infusion. Pembrolizumab is provided after the resolution of IL-2 toxicities. The trial is open to solid tumors of varying tumor mutational burdens.

Being tested
TBio-4101, Pembrolizumab
Keywords
MSS-CRC, TIL, Tumor infiltrating lymphocyte, TNBC, HR+ Breast, ER+ Breast, MSI-CRC, personalized medicine, ocular melanoma
Medical subject headings
Breast Neoplasms, Colorectal Neoplasms, Uveal Melanoma, Melanoma, Carcinoma, Non-Small-Cell Lung, Squamous Cell Carcinoma of Head and Neck

What participants receive

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

  • TBio-4101Biological

    Also called TIL, autologous, tumor-reactive, T-cell product

    TBio-4101 is an autologous selected and expanded tumor infiltrating lymphocyte (TIL) product generated following ex vivo expansion of tumor reactive TIL population found in tumor harvest. After preparation with non-myeloablative lymphodepletion chemotherapy (cyclophosphamide and fludarabine) followed by low dose radiation,TBio-4101, and IL-2.

  • PembrolizumabDrug

    Also called Keytruda

    Pembrolizumab will be administered after TIL infusion and continue every 3-6 weeks for up to 2 years.

Study groups in NCT05576077
Study groupRoleWhat they receive
Breast CancerExperimentalPatients with locally advanced or metastatic breast cancer that has failed or is intolerant to standard of care therapies. Includes, HER2+, HER 2-, TNBC.
Receives: Biological: TBio-4101; Drug: Pembrolizumab
Colorectal carcinomaExperimentalPatients with advanced, metastatic colorectal adenocarcinoma who have failed or are intolerant to at least one line of therapy that included either irinotecan or oxaliplatin.
Receives: Biological: TBio-4101; Drug: Pembrolizumab
Uveal MelanomaExperimentalPatients with advanced, metastatic uveal melanoma.
Receives: Biological: TBio-4101; Drug: Pembrolizumab
Cutaneous MelanomaExperimentalPatients with cutaneous melanoma who have experienced disease progression following a PD-1 or PD-L1 inhibitor.
Receives: Biological: TBio-4101; Drug: Pembrolizumab
Non-Small Cell Lung CancerExperimentalPatients with non-small cell lung cancer who have experienced disease progression following platinum containing chemotherapy and/or PD-1 or PD-L1 inhibitor.
Receives: Biological: TBio-4101; Drug: Pembrolizumab
Head and Neck Squamous Cell CarcinomaExperimental* Patients with head and neck squamous cell carcinoma who have received no prior therapy for metastatic disease * Patients with head and neck squamous cell carcinoma who are PD-1/PD-L1 inhibitor naïve at the time of TIL harvest and will be treated with TBio-4101 at the time of progression, inadequate response or intolerance to the PD-1/PD-L1 inhibitor-based standard of care regimen given on study.
Receives: Biological: TBio-4101; Drug: Pembrolizumab

What is being measured

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

  1. Safety and tolerability

    The incidence of treatment-emergent adverse events will be tabulated using NCI CTCAE v5.0

    Measured: 25 months

Secondary outcomes (3)
  1. Proportion of patients with a response (ORR)

    Percentage of all patients and within each cancer indication with a CR or PR as assessed by the independent central radiologist using RECIST 1.1 and iRECIST

    Measured: 25 months

  2. Estimated Disease Control Rate (DCR)

    Portion of patient whose best response is a CR, PR, or stable disease (SD) as assessed by the independent central radiologist using RECIST v1.1 and iRECIST

    Measured: 25 months

  3. Estimated Duration of Response (DoR)

    Duration of response, as measured in weeks, that patients with a CR or PR have no progressed (PD), as assessed by the independent central radiologist using RECIST v1.1 and iRECIST,

    Measured: 25 months

Timeline

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

  1. First posted12 Oct 2022
  2. Study start17 Jan 2023
  3. Primary completion4 Feb 2025
  4. Study completion24 Feb 2025

Why it stopped: Sponsor decision

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
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
Patients enrolled into a Cohort based on malignancy.
Masking
None (open label)
Enrolment
31 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05576077
Sponsor's protocol ID
TBio-4101-001
Acronym
STARLING
Status last verified
Mar 2025
First submitted
7 Oct 2022
Last updated
10 Mar 2025
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing TBio-4101 and Pembrolizumab in people with Breast Cancer and Colorectal Cancer, run by Turnstone Biologics, Corp. at 13 sites in 2 countries.

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 5 inclusion and 11 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 Mar 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 13 sites in United States, Canada. 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 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.

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

Are results available for this study?

The study was stopped early (reason given: Sponsor decision). Results are not available in the source record.

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?

Safety and tolerability (time frame: 25 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 Mar 2025.

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