Anti-Tac(Fv)-PE38 (LMB-2) to Treat Cutaneous T-Cell Lymphomas
NCT ID: NCT00080535
Last Updated: 2018-01-29
Study Results
Results available
Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.
View full resultsBasic Information
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Recruitment Status
COMPLETED
Clinical Phase
PHASE2
Total Enrollment
10 participants
Study Classification
INTERVENTIONAL
Study Start Date
2004-04-30
Study Completion Date
2011-12-31
Brief Summary
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This study will evaluate the effectiveness of an experimental drug called LMB-2 for treating cutaneous T-cell lymphoma in patients who have a protein called cluster of differentiation 25 (CD25) on their cancer cells. LMB-2 is a recombinant immunotoxin. It is made up of two parts: a genetically engineered monoclonal antibody that binds to CD25, and a toxin produced by bacteria that kills the cancer cells to which it binds. LMB-2 has killed CD25-containing cells in laboratory experiments and has caused tumors in mice to shrink. Preliminary studies in humans have shown some effectiveness in shrinking tumors in patients with various types of lymph and blood cancers.
Patients 18 years of age and older with stage 1b to IV cutaneous T-cell lymphoma that has progressed within 2 years of systemic or topical therapy and who have CD25 receptor proteins on their cancer cells may be eligible for this study. Candidates are screened with a medical history and physical examination, blood and urine tests, electrocardiogram (EKG), echocardiogram, chest x-ray, computed tomography (CT) scans of the chest, abdomen and pelvis, skin punch biopsy to evaluate tumor infiltration in the skin, and a bone marrow biopsy on patients with stage IIa disease and higher. In addition, the patient's blood, bone marrow, tumor, or other tissue is tested to determine the presence of CD25 on cancer cells.
Participants receive up to nine cycles of LMB-2 therapy as long as their cancer does not worsen and they do not develop serious side effects. Each 28-day cycle consists of 30-minute infusions of LMB-2 on cycle days 1, 3, and 5. The drug is infused through an intravenous (IV) catheter (plastic tube placed in a vein) or a central venous line - an IV tube placed in a large vein in the neck or chest that leads to the heart. In addition to drug therapy, patients undergo the following procedures:
Blood draws: Blood is drawn before, during, and after each LMB-2 infusion to measure blood levels of the drug, evaluate its effects on the cancer cells, and monitor side effects. Blood tests are also done before and during each cycle to determine how the immune system is interacting with the drug.
Disease evaluations: Patients undergo a careful skin examination, blood tests, chest x-ray, and EKG before each treatment cycle and at follow-up visits. A CT scan and echocardiogram (heart ultrasound) are done before the first cycle. Before the first and second cycles, patients have a biopsy of the lymphoma on the skin. If the biopsy is helpful in evaluating the disease response to LMB-2, additional biopsies may be requested prior to other cycles as well. A nuclear medicine scan may be done, and a bone marrow biopsy may be done in patients with stage II to IV disease. If these tests are helpful in understanding the response of the lymphoma to treatment, they may also be repeated prior to other cycles, with the patient's permission.
Patients are admitted to the National Institutes of Health (NIH) Clinical Center for the first treatment cycle. Subsequent cycles are given as outpatients. If the infusions are well tolerated, patients may return home after about one week (or possibly longer if complications occur). After returning home, patients have blood tests done weekly by their local physicians.
Patients 18 years of age and older with stage 1b to IV cutaneous T-cell lymphoma that has progressed within 2 years of systemic or topical therapy and who have CD25 receptor proteins on their cancer cells may be eligible for this study. Candidates are screened with a medical history and physical examination, blood and urine tests, electrocardiogram (EKG), echocardiogram, chest x-ray, computed tomography (CT) scans of the chest, abdomen and pelvis, skin punch biopsy to evaluate tumor infiltration in the skin, and a bone marrow biopsy on patients with stage IIa disease and higher. In addition, the patient's blood, bone marrow, tumor, or other tissue is tested to determine the presence of CD25 on cancer cells.
Participants receive up to nine cycles of LMB-2 therapy as long as their cancer does not worsen and they do not develop serious side effects. Each 28-day cycle consists of 30-minute infusions of LMB-2 on cycle days 1, 3, and 5. The drug is infused through an intravenous (IV) catheter (plastic tube placed in a vein) or a central venous line - an IV tube placed in a large vein in the neck or chest that leads to the heart. In addition to drug therapy, patients undergo the following procedures:
Blood draws: Blood is drawn before, during, and after each LMB-2 infusion to measure blood levels of the drug, evaluate its effects on the cancer cells, and monitor side effects. Blood tests are also done before and during each cycle to determine how the immune system is interacting with the drug.
Disease evaluations: Patients undergo a careful skin examination, blood tests, chest x-ray, and EKG before each treatment cycle and at follow-up visits. A CT scan and echocardiogram (heart ultrasound) are done before the first cycle. Before the first and second cycles, patients have a biopsy of the lymphoma on the skin. If the biopsy is helpful in evaluating the disease response to LMB-2, additional biopsies may be requested prior to other cycles as well. A nuclear medicine scan may be done, and a bone marrow biopsy may be done in patients with stage II to IV disease. If these tests are helpful in understanding the response of the lymphoma to treatment, they may also be repeated prior to other cycles, with the patient's permission.
Patients are admitted to the National Institutes of Health (NIH) Clinical Center for the first treatment cycle. Subsequent cycles are given as outpatients. If the infusions are well tolerated, patients may return home after about one week (or possibly longer if complications occur). After returning home, patients have blood tests done weekly by their local physicians.
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Detailed Description
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Background:
It is estimated that 40-50% of patients with cutaneous T-cell lymphoma (CTCL) have tumors that express cluster of differentiation 25 (CD25) (Tac or IL2Ra). Normal resting T-cells do not express CD25. LMB-2 is an anti-CD25 recombinant immunotoxin containing variable domains of MAb anti-Tac and truncated Pseudomonas exotoxin. A phase I trial at National Cancer Institute (NCI) found that the maximum tolerated dose (MTD) of LMB-2 was 40 microg/Kg intravenous (IV) given every other day for 3 doses (QOD times 3) with prophylactic IV fluid. The most common adverse events were transient fever, hypoalbuminemia and transaminase elevations. In that trial, two of two patients with cutaneous T-cell lymphoma had clinical benefit (1 partial response (PR), 1 stable disease (SD)). In 1999 another recombinant fusion protein, denileukin diftitox, was approved by the Food and Drug Administration (FDA) for treatment of patients with advanced or recurrent CTCL expressing the high affinity interleukin-2 (IL-2) receptor. This receptor is composed of three subunits: CD25, CD122 and CD132. Because LMB-2 is cytotoxic to cells expressing CD25 without the other IL-2 receptor subunits needed to form the high affinity receptor, CD25+ CTCL patients are good candidates for further testing with LMB-2.
Objectives:
The purpose of this study is to determine the activity of anti-Tac(Fv)-PE38 (LMB-2) in patients with Tac-expressing Cutaneous T-cell Lymphoma (CTCL). The primary endpoints of this trial are the response rate and response duration. We will also evaluate LMB-2 immunogenicity, pharmacokinetics, and toxicity, and monitor soluble Tac levels in the serum. These will be evaluated using routine hematologic and clinical evaluation, and when appropriate, by monitoring the phenotype of circulating T-cells or of biopsied tissues using antibodies to CD25.
Eligibility:
CD25+ CTCL based on immunohistochemistry or flow cytometry of blood. Patients must have measurable stage 1b-IV disease which progressed after greater than or equal 2 prior systemic or topical therapies. Labs required: alanine aminotransferase (ALT) and aspartate aminotransferase (AST) less than or equal to 2.5-time upper limit, albumin greater than or equal 3, bilirubin less than or equal to 2.2, creatinine less than or equal to 2.0 (unless creatinine clearance greater than or equal to 50 ml/min), absolute neutrophil count (ANC) greater than or equal to 1000/ul, and platelets greater than or equal to 50,000/ul (ANC and platelets greater than or equal 500 and 10,000 if blood/marrow involvement).
Design:
Patients receive LMB-2 30 ug/Kg QOD time 3 every 4 weeks in absence of neutralizing antibodies or progressive disease. Dose escalation to 40 ug/Kg QOD times 3 if less than 2/6 dose limiting toxicity (DLT) at 30 ug/Kg times 3. 1st stage is 16 patients, to expand to 25 if greater than 1 of 16 patients respond.
It is estimated that 40-50% of patients with cutaneous T-cell lymphoma (CTCL) have tumors that express cluster of differentiation 25 (CD25) (Tac or IL2Ra). Normal resting T-cells do not express CD25. LMB-2 is an anti-CD25 recombinant immunotoxin containing variable domains of MAb anti-Tac and truncated Pseudomonas exotoxin. A phase I trial at National Cancer Institute (NCI) found that the maximum tolerated dose (MTD) of LMB-2 was 40 microg/Kg intravenous (IV) given every other day for 3 doses (QOD times 3) with prophylactic IV fluid. The most common adverse events were transient fever, hypoalbuminemia and transaminase elevations. In that trial, two of two patients with cutaneous T-cell lymphoma had clinical benefit (1 partial response (PR), 1 stable disease (SD)). In 1999 another recombinant fusion protein, denileukin diftitox, was approved by the Food and Drug Administration (FDA) for treatment of patients with advanced or recurrent CTCL expressing the high affinity interleukin-2 (IL-2) receptor. This receptor is composed of three subunits: CD25, CD122 and CD132. Because LMB-2 is cytotoxic to cells expressing CD25 without the other IL-2 receptor subunits needed to form the high affinity receptor, CD25+ CTCL patients are good candidates for further testing with LMB-2.
Objectives:
The purpose of this study is to determine the activity of anti-Tac(Fv)-PE38 (LMB-2) in patients with Tac-expressing Cutaneous T-cell Lymphoma (CTCL). The primary endpoints of this trial are the response rate and response duration. We will also evaluate LMB-2 immunogenicity, pharmacokinetics, and toxicity, and monitor soluble Tac levels in the serum. These will be evaluated using routine hematologic and clinical evaluation, and when appropriate, by monitoring the phenotype of circulating T-cells or of biopsied tissues using antibodies to CD25.
Eligibility:
CD25+ CTCL based on immunohistochemistry or flow cytometry of blood. Patients must have measurable stage 1b-IV disease which progressed after greater than or equal 2 prior systemic or topical therapies. Labs required: alanine aminotransferase (ALT) and aspartate aminotransferase (AST) less than or equal to 2.5-time upper limit, albumin greater than or equal 3, bilirubin less than or equal to 2.2, creatinine less than or equal to 2.0 (unless creatinine clearance greater than or equal to 50 ml/min), absolute neutrophil count (ANC) greater than or equal to 1000/ul, and platelets greater than or equal to 50,000/ul (ANC and platelets greater than or equal 500 and 10,000 if blood/marrow involvement).
Design:
Patients receive LMB-2 30 ug/Kg QOD time 3 every 4 weeks in absence of neutralizing antibodies or progressive disease. Dose escalation to 40 ug/Kg QOD times 3 if less than 2/6 dose limiting toxicity (DLT) at 30 ug/Kg times 3. 1st stage is 16 patients, to expand to 25 if greater than 1 of 16 patients respond.
Conditions
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Lymphoma
T-Cell
Cutaneous
Study Design
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Allocation Method
NA
Intervention Model
SINGLE_GROUP
Primary Study Purpose
TREATMENT
Blinding Strategy
NONE
Study Groups
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LMB-2 for cutaneous Tcell lymphoma
30 micrograms/kg every other day (QOD) x 3 every 4 weeks in patients with cutaneous T-cell lymphoma, a group of lymphoproliferative disorders characterized by malignant CD4+ T-lymphocytes which localize tot he skin on initial presentation.
Group Type
EXPERIMENTAL
LMB-2
Intervention Type
BIOLOGICAL
30 micrograms/kg every other day (QOD) x 3 every 4 weeks
Interventions
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LMB-2
30 micrograms/kg every other day (QOD) x 3 every 4 weeks
Intervention Type
BIOLOGICAL
Eligibility Criteria
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Inclusion Criteria
Patients must have histopathological evidence of cluster of differentiation 25 (CD25) + cutaneous T-cell lymphoma (CTCL) confirmed by the National Institutes of Health (NIH) pathology department.
One of the following must be present:
Greater than or equal to 20 percent expression of CD25 on the lymphocytes in the skin at a site of a patch, plaque, or tumor.
Greater than or equal to 20 percent of the peripheral blood Sezary cells must be CD25+.
Measurable stage Ib-IV disease that has progressed after at least 2 prior systemic or topical therapies.
Patients must have a Eastern Cooperative Oncology Group (ECOG) performance status of 0 - 2 and be at least 18 years old.
Patients must be able to understand and give informed consent.
Patients must be 4 weeks from any monoclonal antibodies.
Patients must be greater than or equal to 3 weeks from any CTCL-specific therapy and have evidence of progressive disease.
Patients who are on chronic steroids must be on a stable dose of Prednisone less than or equal to 20 mg/day (or equivalent dose of another steroid) for at least 3 weeks and have evidence of progressive disease.
Female patients of childbearing potential must have a negative pregnancy test and must use effective contraception (a barrier form of contraception).
The transaminases alanine aminotransferase (ALT) and aspartate aminotransferase (AST) must each be less than or equal to 2.5-times the upper limits of normal.
Albumin must be greater than or equal to 3.0 gm/dL.
Total bilirubin must be less than or equal to 2.2 mg/dL.
The creatinine must be less than or equal to 2.0 mg/dL or the creatinine clearance must be greater than or equal to 50 ml/min.
The absolute neutrophil count (ANC) must be greater than or equal to 1000/mm\^3 and the unsupported platelet count must be greater than or equal to 50,000/mm\^3 in patients without blood or bone marrow involvement.
If there is blood or bone marrow involvement, the ANC must be greater than or equal to 500 mm\^3 and the platelets must be greater than or equal to 10,000/mm\^3.
The cardiac ejection fraction as assessed by echocardiogram or nuclear medicine study must not be less than the institutional limit of normal.
Pulmonary function studies must demonstrate a carbon monoxide diffusing capacity (DLCO) greater than or equal to 55 percent and a forced expiratory volume 1 (FEV1) greater than or equal to 60 percent of normal for inclusion.
One of the following must be present:
Greater than or equal to 20 percent expression of CD25 on the lymphocytes in the skin at a site of a patch, plaque, or tumor.
Greater than or equal to 20 percent of the peripheral blood Sezary cells must be CD25+.
Measurable stage Ib-IV disease that has progressed after at least 2 prior systemic or topical therapies.
Patients must have a Eastern Cooperative Oncology Group (ECOG) performance status of 0 - 2 and be at least 18 years old.
Patients must be able to understand and give informed consent.
Patients must be 4 weeks from any monoclonal antibodies.
Patients must be greater than or equal to 3 weeks from any CTCL-specific therapy and have evidence of progressive disease.
Patients who are on chronic steroids must be on a stable dose of Prednisone less than or equal to 20 mg/day (or equivalent dose of another steroid) for at least 3 weeks and have evidence of progressive disease.
Female patients of childbearing potential must have a negative pregnancy test and must use effective contraception (a barrier form of contraception).
The transaminases alanine aminotransferase (ALT) and aspartate aminotransferase (AST) must each be less than or equal to 2.5-times the upper limits of normal.
Albumin must be greater than or equal to 3.0 gm/dL.
Total bilirubin must be less than or equal to 2.2 mg/dL.
The creatinine must be less than or equal to 2.0 mg/dL or the creatinine clearance must be greater than or equal to 50 ml/min.
The absolute neutrophil count (ANC) must be greater than or equal to 1000/mm\^3 and the unsupported platelet count must be greater than or equal to 50,000/mm\^3 in patients without blood or bone marrow involvement.
If there is blood or bone marrow involvement, the ANC must be greater than or equal to 500 mm\^3 and the platelets must be greater than or equal to 10,000/mm\^3.
The cardiac ejection fraction as assessed by echocardiogram or nuclear medicine study must not be less than the institutional limit of normal.
Pulmonary function studies must demonstrate a carbon monoxide diffusing capacity (DLCO) greater than or equal to 55 percent and a forced expiratory volume 1 (FEV1) greater than or equal to 60 percent of normal for inclusion.
Exclusion Criteria
Patients whose serum neutralizes LMB-2 in tissue culture, due either to anti-toxin or anti-mouse-IgG antibodies.
No patient whose serum neutralizes greater than 75 percent of the activity of 1 microg/mL of LMB-2 will be treated.
Patients who are pregnant or breast-feeding.
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection,
symptomatic congestive heart failure,
unstable angina pectoris,
cardiac arrhythmia,
or psychiatric illness/social situations that would limit compliance with study requirements.
Patients who are human immunodeficiency virus (HIV) positive,
hepatitis B antigen positive,
hepatitis C polymerase chain reaction (PCR) positive,
or who have other chronic liver disease.
Patients with symptomatic cardiac or pulmonary disease.
Patients on warfarin therapy.
Such patients may be eligible if they can be switched to heparin or low-molecular weight heparin therapy and are off warfarin at least 4 days prior to study enrollment.
Active cancer requiring treatment.
No patient whose serum neutralizes greater than 75 percent of the activity of 1 microg/mL of LMB-2 will be treated.
Patients who are pregnant or breast-feeding.
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection,
symptomatic congestive heart failure,
unstable angina pectoris,
cardiac arrhythmia,
or psychiatric illness/social situations that would limit compliance with study requirements.
Patients who are human immunodeficiency virus (HIV) positive,
hepatitis B antigen positive,
hepatitis C polymerase chain reaction (PCR) positive,
or who have other chronic liver disease.
Patients with symptomatic cardiac or pulmonary disease.
Patients on warfarin therapy.
Such patients may be eligible if they can be switched to heparin or low-molecular weight heparin therapy and are off warfarin at least 4 days prior to study enrollment.
Active cancer requiring treatment.
Minimum Eligible Age
18 Years
Eligible Sex
ALL
Accepts Healthy Volunteers
No
Sponsors
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National Cancer Institute (NCI)
NIH
Sponsor Role
lead
Responsible Party
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Robert Kreitman, M.D.
Principal Investigator
Responsibility Role
PRINCIPAL_INVESTIGATOR
Principal Investigators
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Robert J Kreitman, M.D.
Role: PRINCIPAL_INVESTIGATOR
National Cancer Institute, National Institutes of Health
Locations
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National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, United States
Site Status
Countries
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United States
References
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Siegel RS, Pandolfino T, Guitart J, Rosen S, Kuzel TM. Primary cutaneous T-cell lymphoma: review and current concepts. J Clin Oncol. 2000 Aug;18(15):2908-25. doi: 10.1200/JCO.2000.18.15.2908.
Reference Type
BACKGROUND
Diamandidou E, Cohen PR, Kurzrock R. Mycosis fungoides and Sezary syndrome. Blood. 1996 Oct 1;88(7):2385-409. No abstract available.
Reference Type
BACKGROUND
Weinstock MA, Horm JW. Mycosis fungoides in the United States. Increasing incidence and descriptive epidemiology. JAMA. 1988 Jul 1;260(1):42-6.
Reference Type
BACKGROUND
Matsushita K, Margulies I, Onda M, Nagata S, Stetler-Stevenson M, Kreitman RJ. Soluble CD22 as a tumor marker for hairy cell leukemia. Blood. 2008 Sep 15;112(6):2272-7. doi: 10.1182/blood-2008-01-131987. Epub 2008 Jul 2.
Reference Type
DERIVED
Provided Documents
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Document Type: Study Protocol, Statistical Analysis Plan, and Informed Consent Form
Related Links
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http://ncbi.nlm.nih.gov/pubmed/10561185
International Workshop to Standardize Response Criteria for Non-Hodgkin's Lymphomas
Other Identifiers
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04-C-0142
Identifier Type: -
Identifier Source: secondary_id
040142
Identifier Type: -
Identifier Source: org_study_id
NCT00085085
Identifier Type: -
Identifier Source: nct_alias
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