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Clinical Trial 21707

Cancer Type: Cutaneous
Study Type: Treatment
NCT#: NCT05628883

Phase: Phase I
Principal Investigator: Sarnaik, Amod

Call 813-745-6100
or 1-800-679-0775 Learn More

Overview

Study Title

A Proof of Concept Study of TBio-4101 (an autologous selected and expanded tumor infiltrating lymphocyte [TIL] therapy) using Short-Term Cultured, Selected Autologous TIL Following a Lymphodepleting Chemotherapy Regimen and Followed by IL-2 for Patients with Relapsed or Refractory Melanoma (Phase 1)

Summary

The purpose of this first in human study is to evaluate the feasibility, safety, and efficacy of administering TBio-4101 (tumor infiltrating lymphocytes [TIL]) after receiving a lymphodepleting chemotherapy regimen and before receiving interleukin-2 (IL-2) in participants with unresectable or metastatic melanoma.

Objective

Primary Objective: Assess the feasibility, safety, and toxicity of TBio-4101 in patients that received banked or freshly collected TIL for the treatment of Cutaneous, mucosal or ocular melanoma. Secondary Objectives: Determine the Overall Response Rate (ORR) for each of the following cohorts: o Cutaneous (non-acral) melanoma receiving banked TIL o Cutaneous (non-acral) melanoma receiving freshly collected TIL o Cutaneous acral melanoma, mucosal melanoma, or ocular melanoma irrespective of when TIL were collected Evaluate duration of response (DoR) and progression free survival (PFS) in all patients using Response Evaluation Criteria in Solid Tumors (RECIST 1.1) and Immune-related Response Evaluation Criteria In Solid Tumors (irRECIST) Determine the overall survival (OS) rate across all cohorts Compare the phenotype and tumor antigen reactivity of TBio-4101 generated from banked versus freshly collected TIL

Treatments

Therapies

Cell Therapy; Chemotherapy (NOS); Therapy (NOS)

Medications

Aldesleukin (Interleukin-2); TBio-4101 (); cyclophosphamide (); cytoxan (cyclophosphamide); fludarabine (Fludarabine phosphate)

Inclusion Criteria

Participants must have histologically confirmed, unresectable or metastatic melanoma as follows: Cutaneous; non-acral, melanoma (including melanoma of unknown primary); Cutaneous acral melanoma; Mucosal melanoma; Ocular melanoma (including uveal, iris, conjunctival melanoma)

Participants must have failed, be refractory to, or unable to tolerate standard of care in the opinion of the Investigator. For participants with cutaneous non-acral melanoma, standard of care therapy includes a PD-1/L1 inhibitor, a CTLA-4 inhibitor, and if BRAF V600 activating mutation positive, a BRAF ± MEK inhibitor.

Any systemic therapy, including anti-cancer monoclonal antibodies, must have been completed at least 4 weeks from the start of lymphodepleting therapy (except for bridging therapy as defined below), and any prior therapy-related AEs must have resolved to Grade > Participants must be between the ages of 18 and 75 years old. Additionally, participants who are > 60 years of age must undergo a cardiology evaluation including a cardiac stress test after which they must be deemed to be low/acceptable risk.

ECOG performance status of 0 or 1

Participants must have adequate organ and marrow function as defined per protocol.

Seronegative for Human immunodeficiency virus (HIV) antibody, hepatitis B surface antigen, and hepatitis C (HCV) antibody (if HCV antibody positive, must be tested for HCV RNA, which must be negative to be eligible)

Participants with brain metastases are eligible provided that the brain metastases have been successfully treated with stereotactic radiosurgery or resection and clinically stable for at least 1 month.

Participants who have not undergone prior TIL harvest. Must have at least 1 cm of tumor amenable for resection for TIL generation, in addition to, having at least one target lesion that can be used for response assessment by RECIST 1.1 criteria after TIL harvest.

Participants who have undergone prior TIL harvest with the banking protocol (MCC# ) must have adequate numbers of cryopreserved TIL after the pre-REP to meet criteria for proceeding withTBio-4101 therapy.

Participants must be willing and able to undergo an apheresis procedure.

Women of child-bearing potential must have a negative pregnancy test.

The effects of TBio-4101 on the developing human fetus are unknown. For this reason and because TIL agents, as well as other therapeutic agents used in this trial including IL-2 are known to be teratogenic, both males and females of child-bearing potential must be willing to practice birth control starting with screening through 1 year after the last study drug is administered for females or 6 months. for males. Note: Women of child-bearing potential must have a negative serum pregnancy test. Should a woman become pregnant or suspect she is pregnant while she or her partner are participating in this study, she should inform her treating physician immediately.

Contraception Requirement: detailed contraception requirements are outlined in protocol.

Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria

Participants, regardless of age, who have a current or past medical history of ischemic heart disease, or clinically significant atrial or ventricular rhythm abnormality are excluded unless they undergo a cardiac stress test and cardiology clearance examination and are determined to be low or acceptable risk. Note: Participants with any clinically significant cardiac wall movement abnormality are excluded.

Participants who have received prior cell therapy.

Participants with either a primary immunodeficiency disorder (i.e., severe combined immunodeficiency syndrome) or acquired immunodeficiency disorders (such as HIV/AIDS)

Pregnant women are excluded from this study because the agents used in this study have teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with TBio-4101 or the other agents in the study, breastfeeding should be discontinued if the mother is enrolled in the study.

Participants taking systemic steroid therapy (other than replacement therapy) or therapy with any immunosuppressive medications such as mycophenolate mofetil (MMF). Participants who require dapsone for pneumocystis pneumonia (PCP) prophylaxis during TIL therapy are eligible.

Participants who have a history of severe immediate hypersensitivity reaction to the study agents including cyclophosphamide, fludarabine, or aldesleukin/ IL-2 or any of their constituents

Participants with a left ventricular ejection fraction (LVEF) 1

Forced expiratory volume (FEV1) > Participants who, in the opinion of the Investigator, have a medical condition that would subject the patient to prohibitive risk by participation in this study, or who may be unable to safely complete the apheresis, tumor harvest, lymphodepletion regimen, TIL infusion, or aldesleukin/ IL-2 administration

Participants with active infections requiring parenteral antibiotics

Participants with autoimmune disease currently or within the past 6 months requiring systemic treatment with immunosuppressive doses of corticosteroids (>10 mg of prednisone-equivalent daily dosing), immunosuppressive biologic agents, or disease modifying antirheumatic drug agents (DMARDs). Note: Participants with autoimmune thyroiditis on replacement thyroid medication are eligible.

Participants requiring chronic anti-coagulant therapy that cannot either be discontinued or changed to an anti-coagulant such as a low molecular weight heparin, which has a relatively short half-life, if clinically indicated during the period of thrombocytopenia resulting from the lymphodepletion regimen

Has evidence of impeding perforation, obstruction or bleeding (requiring transfusion) due to the tumor.

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