Phase II Study of Metastatic Cancer That Overexpresses P53 Using Lymphodepleting Conditioning Followed by Infusion of Anti-P53 TCR-Gene Engineered Lymphocytes

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-10-31

Study Completion Date

2008-11-30

Brief Summary

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Background:

The p53 gene normally suppresses tumor growth, but when it is mutated, or damaged, tumors can grow unchecked.

In cancers where the p53 gene has mutated, an increased level of p53(overexpression of p53) can be measured in the tumor.

Objectives To determine whether advanced cancers that overexpress p53 can be treated effectively with lymphocytes (white blood cells) that have been genetically engineered to contain an anti-p53 protein.

Eligibility Patients 18 years of age and older with metastatic cancer (cancer that has spread beyond the original site) Patient's tumor overexpresses p53 Patient's leukocyte antigen type is HLA-A 0201 Design

Patients undergo the following procedures:

Leukapheresis (on two occasions). This is a method of collecting large numbers of white blood cells. The cells obtained in the first leukapheresis procedure are grown in the laboratory, and the anti-p53 protein is inserted into the cells using an inactivated (harmless)virus in a process called transduction. Cells collected in the second leukapheresis procedure are used to evaluate the effectiveness of the study treatment.

Chemotherapy. Patients are given chemotherapy through a vein (intravenously, IV) for 1 week to suppress the immune system so that the patients immune cells do not interfere with the treatment.

Treatment with anti-p53 cells. Patients receive an IV infusion of the transduced cells containing anti-p53 protein, followed by infusions of a drug called IL-2, which helps boost the effectiveness of the transduced white cells.

Patients may undergo a tumor biopsy (removal of a small piece of tumor tissue). Patients are evaluated with laboratory tests and imaging tests, such as computed tomography (CT) scans 4 to 6 weeks after treatment and then once a month 3 to 4 months to determine the response to treatment.

Patients have blood tests at 1, 3, 6 and 12 months and then annually for the next 10 years.

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Detailed Description

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Background:

Human peripheral blood lymphocytes (PBL's) can be engineered to express alpha T-cell receptor that recognizes an human leukocyte antigen serotype witin HLA-A A serotype group) HLA-A2. 1 restricted epitope derived from the p53 protein.

We constructed a single retroviral vector that contains both alpha and existent chains and can mediate genetic transfer of this TCR with high efficacy (less than 30%) without the need to perform any selection.

In co-cultures with HLA-A2 and p53 double positive tumors including melanoma, hepatoma, sarcoma, small-cell lung cancer, esophageal and breast tumors, p53-TCR transduced T cells secreted significant amount of IFN-(but no significant secretion was observed in control co-cultures with either HLA-A2+/p53- or HLA-A2-p53+cell lines.

Additional secretion of cytokines (IL-2, IL-4, IL-10,granulocyte macrophage stimulating factor (GM-CSF),tumor necrosis factor alpha (TNFalpha)) and chemokines (regulated upon activation, normal T cell expressed and secreted (RANTES), macrophage inflammatory protein 1 alpha (MIP-1 alpha)) was also observed in co-cultures with HLA-A2+/p53+tumor lines.

p53-TCR transduced PBL could efficiently kill HLA-A2, 1/p53 expressing tumors (H2087, MDA-MB 231, Saos2/143, BE-3).

In addition, we also tested for specific lysis of normal tissues by p53-TCR transduced cells and there was little or no lysis of the normal fibroblasts, renal epithelia cells, resting or activated normal PBLs compared to control HLA\_A2+/p53+H2087 tumor.

Objectives:

Primary objective:

Determine of the administration of anti-p53 TCR-engineered peripheral blood lymphocytes and aldesleukin to patients following a nonmyeloablative but lymphoid depleting preparative regimen will result in clinical tumor regression in patients with metastatic cancer overexpressing p53.

Secondary objectives:

Determine the in vivo survival of TCR gene-engineered cells. Determine the toxicity profile of this treatment regimen.

Eligibility:

Patients who are HLA A0201 and 18 years of age or older must have metastatic cancer whose tumors overexpress p53; previously received and have been a non-responder or recurred to standard care for metastatic disease; biopsy available to evaluate p53 expression; normal values for basic laboratory values; Patients may not have: concurrent major medical illnesses; any form of primary or secondary immunodeficiency; severe hypersensitivity to any of the agents used in this study; contraindications for high dose aldesleukin administration.

Design:

PBMC, obtained by leukapheresis (approximately 5 x 10\^9 cells) will be cultured in the presence of anti-CD3 Muromonab-CD3( OKT3) and IL-2 in order to stimulate T-cell growth.

Transduction is initiated by exposure of approximately 10\^8 to 5 x 10\^8 cells to supernatant containing the anti-p53 TCR retroviral vector. These transduced cells will be expanded and tested for their anti-tumor activity.

Patients will receive a nonmyeloablative but lymphocyte depleting preparative regiment consisting of cyclophosphamide and fludarabine followed by intravenous infusion of in vitro tumor reactive, TCR gene-transduced PBL plus IV aldesleukin (720,000IU/kg q8h for a maximum of 15 doses).

Patients will undergo complete evaluation of tumor with physical examination, CT of the chest, abdomen and pelvis and clinical laboratory evaluation four to six weeks after treatment and then monthly for approximately 3 to 4 months or until off study criteria are met.

Patients will be entered into two cohorts based on histology: cohort 1 will include patients with metastatic melanoma or renal cell cancer, cohort 2 will include patients with other types of metastatic cancer.

For each of the 2 strata evaluated, the study will be conducted using a phase II optimal design where initially 21 evaluable patients will be enrolled. For each of these two arms of the trial, if 0 or 1 of the 21 patients experiences a clinical response, then no further patients will be enrolled but if 2 or more of the first 21 evaluable patients enrolled have a clinical response, then accrual will continue until a total of 41 evaluable patients have been enrolled in that stratum.

For both strata, the objective will be to determine if the combination of high dose aldesleukin, lymphocyte depleting chemotherapy, and anti-p53 TCR-gene engineered lymphocytes is able to be associated with a clinical response rate that can rule out 5% (p0=0.05) in favor of a modest 20% PR + CR rate (p1=0.20).

Conditions

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Anti-p53 TCR-Gene

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Patients with metastatic melanoma

Melanoma is a serious form of skin cancer that develops in the skin cells that make our skin color (melanocytes).

Group Type EXPERIMENTAL

anti-protein 53 or tumor protein 53 (p53) T-cell receptor transduced peripheral blood lymphocytes

Intervention Type BIOLOGICAL

Peripheral blood lymphocytes are harvested by lymphapheresis and engineered to express a T cell receptor that binds to P53.

aldesleukin

Intervention Type BIOLOGICAL

720,000 IU/kg intravenously over 15 minutes every 8 hours for up to 5 days

filgrastim

Intervention Type BIOLOGICAL

Beginning on day 1 or 2, administered subcutaneously at a dose of 5 mcg/kg/day (not to exceed 300 mcg/day); continue daily until neutrophil count \> 1.0 x 10\^9/L x 3 days or \> 5.0 x 10\^9/L.

cyclophosphamide

Intervention Type DRUG

60 mg/kg/day x 2 days intravenously in 250ml dextrose 5% in water (D5W) with mesna 15 mg/kg/day x 2 days over 1 hour.

fludarabine phosphate

Intervention Type DRUG

25 mg/m2/day intravenously piggyback (IVPB) daily over 30 minutes for 5 days.

Patients with other metastatic cancers

Group Type EXPERIMENTAL

anti-protein 53 or tumor protein 53 (p53) T-cell receptor transduced peripheral blood lymphocytes

Intervention Type BIOLOGICAL

Peripheral blood lymphocytes are harvested by lymphapheresis and engineered to express a T cell receptor that binds to P53.

aldesleukin

Intervention Type BIOLOGICAL

720,000 IU/kg intravenously over 15 minutes every 8 hours for up to 5 days

filgrastim

Intervention Type BIOLOGICAL

Beginning on day 1 or 2, administered subcutaneously at a dose of 5 mcg/kg/day (not to exceed 300 mcg/day); continue daily until neutrophil count \> 1.0 x 10\^9/L x 3 days or \> 5.0 x 10\^9/L.

cyclophosphamide

Intervention Type DRUG

60 mg/kg/day x 2 days intravenously in 250ml dextrose 5% in water (D5W) with mesna 15 mg/kg/day x 2 days over 1 hour.

fludarabine phosphate

Intervention Type DRUG

25 mg/m2/day intravenously piggyback (IVPB) daily over 30 minutes for 5 days.

Interventions

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anti-protein 53 or tumor protein 53 (p53) T-cell receptor transduced peripheral blood lymphocytes

Peripheral blood lymphocytes are harvested by lymphapheresis and engineered to express a T cell receptor that binds to P53.

Intervention Type BIOLOGICAL

aldesleukin

720,000 IU/kg intravenously over 15 minutes every 8 hours for up to 5 days

Intervention Type BIOLOGICAL

filgrastim

Beginning on day 1 or 2, administered subcutaneously at a dose of 5 mcg/kg/day (not to exceed 300 mcg/day); continue daily until neutrophil count \> 1.0 x 10\^9/L x 3 days or \> 5.0 x 10\^9/L.

Intervention Type BIOLOGICAL

cyclophosphamide

60 mg/kg/day x 2 days intravenously in 250ml dextrose 5% in water (D5W) with mesna 15 mg/kg/day x 2 days over 1 hour.

Intervention Type DRUG

fludarabine phosphate

25 mg/m2/day intravenously piggyback (IVPB) daily over 30 minutes for 5 days.

Intervention Type DRUG

Other Intervention Names

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Tumor protein 53 Anti-protein 53 Interleukin-2 (IL-2) Proleukin Recombinant human interleukin-2 Granulocyte colony stimulating factor (GCSF) Neupogen Cytoxan Endoxan Neosar Procytox Revimmune Fludara

Eligibility Criteria

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Inclusion Criteria

* Patients must have metastatic cancer that overexpresses p53 as assessed by immunohistochemistry, as determined by positive staining of tumor sample. when compared to negative controls per procedure in Appendix 1. The immunohistochemical staining will be performed in the Pathology Laboratory Center for Cancer Research (CCR), National Cancer Institute (NCI) on fresh or archival tissue and will be supervised by Dr. Maria Merino. The criteria used to determine overexpression will be that used in the Laboratory of Dr. Curt Harris. Ten fields will be evaluated at 40 X magnification and if greater than 5% of cells stain positive, the tumor will be categorized as an overexpressor.
* Patients with melanoma or renal cell cancer must have previously received interleukin-2 (IL-2) and have been either non-responders (progressive disease) or have recurred. Patients with other histologies,not including hematologic malignancies, must have previously received first line and second line or higher systemic standard care(or effective salvage chemotherapy regimens) for metastatic disease,if known to be effective for that disease and have been either non-responders (progressive disease) or have recurred.
* Age greater than or equal to 18 years.
* Clinical performance status of Eastern Cooperative Oncology Group (ECOG) 0 to 1.
* Life expectancy of greater than three months.
* Seronegative for human immunodeficiency virus (HIV) antibody. (The experimental treatment being evaluated in this protocol depends on an intact immune system. Patients who are HIV seropositive can have decreased immune competence and thus be less responsive to the experimental and more susceptible to its toxicities).
* Seronegative for hepatitis B antigen and hepatitis C antibody unless antigen negative.
* Patients must be human leukocyte antigen A(HLA-A) 0201 positive.
* Patients of both genders must be willing to practice birth control for four months after receiving the preparative regimen.
* Absolute neutrophil count greater than 1000/mm\^3, and normal white blood cells (WBC) (greater than 3000/mm\^3).
* Platelet count greater than 100,000/mm\^3.
* Hemoglobin greater than 8.0 g/dl.
* Serum alanine aminotransferase (ALT)/aspartate aminotransferase (AST) less than the upper limit of normal.
* Serum creatinine less than or equal to 1.6 mg/dl.
* Total bilirubin less than or equal to 1.5 mg/dl, except in patients with Gilbert's Syndrome who must have a total bilirubin less than 3.0 mg/dl.
* More than four weeks must have elapsed since any prior systemic therapy at the time the patient receives the preparative regimen, and patients toxicities must have recovered to a grade 1 or less (except for toxicities such as alopecia or vitiligo). Six weeks must have elapsed since prior Ipilimumab (MDX-010) therapy to allow antibody levels to decline, and patients who have previously received MDX-010 must have a normal colonoscopy with normal colonic biopsies.
* Women of child-bearing potential must have a negative pregnancy test because of the potentially dangerous effects of the preparative chemotherapy on the fetus.
* A biopsy must be evaluable to evaluate p53 expression and to confirm the diagnosis by the Laboratory of Pathology, CCR, NCI.

Exclusion Criteria

* Patients requiring systemic steroid therapy
* Patients with active systemic infections, coagulation disorders or other major medical illnesses of the cardiovascular, respiratory or immune system, myocardial infarction, cardiac arrhythmias, obstructive or restrictive pulmonary disease.
* Patients with any form of primary immunodeficiency (such as Severe Combined Immunodeficiency Disease and acquired immune deficiency syndrome (AIDS)). Patients with opportunistic infections will be excluded. (The experimental treatment being evaluated in this protocol depends on an intact immune system. Patients who have decreased immune competence may be less responsive to the experimental treatment and more susceptible to its toxicities).
* Patients with history of severe immediate hypersensitivity reaction to any of the agents used in this study.
* Patient is not willing to sign a durable power of attorney.
* Patient is not able to understand and sign the Informed Consent Document.
* Since aldesleukin will be excluded if they have a history of electrocardio- gram (EKG) abnormalities, symptoms of cardiac ischemia or arrhythmias and have a left ventricular ejection fraction (LVEF) less than 45% on a cardiac stress test (stress thallium, stress multi-gated acquisition scan (MUGA), dobutamine echocardiogram, or other stress test).
* Similarly, patients who are greater than or equal to 50 years old with a LVEF less than 45% will be excluded.
* Patients with a prolonged history of cigarette smoking (greater than 20 pack/year within the past 2 years) or symptoms of respiratory dysfunction (e.g. grade 2 dyspnea or hypoxia) who do not have a normal pulmonary function test as evidenced by a FEV(1) less than 60% predicted will be excluded.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No