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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03602612
Other study ID # 180125
Secondary ID 18-C-0125
Status Active, not recruiting
Phase Phase 1
First received
Last updated
Start date September 14, 2018
Est. completion date January 1, 2025

Study information

Verified date October 2023
Source National Institutes of Health Clinical Center (CC)
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background: Multiple myeloma is a cancer of the blood plasma cells. It usually becomes resistant to standard treatments. Researchers have developed a procedure called gene therapy. It uses a person's own T cells, which are part of the immune system. The cells are changed in a lab and then returned to the person. Researchers hope the changed T cells will be better at recognizing and killing tumor cells. Objective: To test the safety of giving changed T cells to people with multiple myeloma. Eligibility: Adults ages 18-73 who have been diagnosed with multiple myeloma that has not been controlled with standard therapies. Design: Participants will be screened with: Medical history Physical exam Blood tests Heart function tests Bone marrow sample taken by needle in a hip bone. Scan of the chest, abdomen, and pelvis. They may have a brain scan. Pregnancy test Participants will have apheresis. Blood will be removed through an arm vein. The blood will be separated, and T cells removed. The rest of the blood will be returned through a vein in the other arm. Participants will have a central line placed in a large vein in the arm or chest. Participants will get 2 chemotherapy drugs by the central line over 3 days. Two days later, participants will get the changed T cells by the central line. They will stay in the hospital at least 9 days. Participants must stay near the hospital for 2 weeks. Participants will have 8 follow-up visits over the next year for blood and urine tests. They may have scans. Participants blood will be collected regularly over the next several years.


Description:

Background: - Multiple myeloma (MM) is a malignancy of plasma cells. - MM is nearly always incurable. - T cells can be genetically modified to express chimeric antigen receptors (CARs) that specifically target malignancy-associated antigens. - Autologous T cells genetically modified to express CARs targeting the B-cell antigen B-lymphocyte antigen CD19 (CD19) have caused complete remissions in a small number of patients with leukemia or lymphoma. These results demonstrate that CAR-expressing T cells have anti-malignancy activity in humans. - B-cell maturation antigen (BCMA) is a protein expressed by normal plasma cells and the malignant plasma cells of multiple myeloma. - BCMA is not expressed by normal cells except for plasma cells and some mature B cells. - We have constructed a novel anti-BCMA CAR that can specifically recognize BCMA- expressing target cells in vitro and eradicate BCMA-expressing tumors in mice. - This CAR has an antigen-recognition domain made up of a single fully-human heavy chain variable region. - We hypothesize that anti-BCMA-CAR-expressing T cells will specifically eliminate BCMA- expressing MM cells in patients - Possible toxicities include cytokine-associated toxicities such as fever, hypotension, and neurological toxicities. Elimination of normal plasma cells and unknown toxicities are also possible. Objectives: Primary - Determine the safety and feasibility of administering T cells expressing an anti-BCMA CAR to patients with MM. Eligibility: - Greater than or equal to 18 years of age and less than or equal to age 73. - Patients must have measurable MM defined as a serum M-protein greater than or equal to 1.0 g/dL or a urine M- protein greater than or equal to 200 mg/24 hours or an involved serum free light chain (FLC) level greater than or equal to 10 mg/dL (provided FLC ratio is abnormal) or a biopsy-proven plasmacytoma of 2.0 cm or more in largest dimension, or greater than or equal to 30% bone marrow plasma cells - Patients must have previously received at least 3 different treatment regimens for MM. - Patients must have prior exposure to an immunomodulatory imide drugs (IMiD) such as lenalidomide, and a proteasome inhibitor - Patients must have a creatinine level of less than or equal to 1.5 mg/dL - Patients must have a cardiac ejection fraction greater than or equal to 50%. - An Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 is required. - Patients on any anticoagulant medications except aspirin are not eligible. - No active infections are allowed. - Absolute neutrophil count greater than or equal to 1000/microliters, platelet count greater than or equal to 55,000/ microliters, hemoglobin greater than or equal to 8g/dL - Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) less than or equal to 2.5-fold higher than the upper limit of normal. - At least 14 days must elapse between the time of any prior systemic treatment (including corticosteroids) and the required leukapheresis. - At least 14 days must elapse between the time of any prior systemic treatment (including corticosteroids) and initiation of protocol treatment. - The patients MM will need to be assessed for BCMA expression by flow cytometry or immunohistochemistry performed at the National Institutes of Health (NIH). The myeloma must express BCMA. If unstained, paraffin-embedded bone marrow or plasmacytoma sections are available from prior biopsies, these can be used to determine BCMA expression by immunohistochemistry; otherwise, patients will need to come to the NIH for a bone marrow biopsy or other biopsy of a plasmacytoma to determine BCMA expression. The sample for BCMA expression can come from a biopsy obtained at any time before enrollment. Design: - This is a phase I dose-escalation trial - Patients will undergo leukapheresis - T-cells obtained by leukapheresis will be genetically modified to express an anti-BCMA CAR - Patients will receive a lymphocyte-depleting chemotherapy conditioning regimen with the intent of enhancing the activity of the infused anti-BCMA-CAR-expressing T cells. - The chemotherapy conditioning regimen is cyclophosphamide 300 mg/m^2 daily for 3 days and fludarabine 30 mg/m^2 daily for 3 days. Fludarabine will be given on the same days as the cyclophosphamide. - After the chemotherapy ends, the patients will have two days with no treatments then receive an infusion of anti-BCMA- CAR-expressing T cells. - The initial dose level will be 0.75x10^6 CAR+ T cells/kg of recipient bodyweight. - The cell dose administered will be escalated until a maximum tolerated dose is determined. - Following the T-cell infusion there will be a mandatory 9-day minimum inpatient hospitalization to monitor for toxicity. - Outpatient follow-up is planned for 2 weeks, and 1, 2, 3, 4, 6, 9, and 12 months after the CAR T-cell infusion. Afterwards, follow-up will be every six months up to at least 5 years.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 35
Est. completion date January 1, 2025
Est. primary completion date January 1, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years to 73 Years
Eligibility - INCLUSION CRITERIA: Multiple Myeloma (MM) criteria: - B Cell Maturation Antigen (BCMA) expression must be detected on malignant plasma cells from either bone marrow or a plasmacytoma by flow cytometry or immunohistochemistry. If patient has plasmacytomas, one plasmacytoma must be biopsied to demonstrate BCMA expression. A specific quantitative level of BCMA expression for eligibility is not specified, but patients with multiple myeloma cells that are negative for BCMA by flow cytometry and immunohistochemistry on either bone marrow biopsy or plasmacytoma biopsy will not be enrolled. These assays must be performed at the National Institutes of Health (NIH). It is not required that the specimen used for BCMA determination comes from a sample that was obtained after the patients most recent treatment. If paraffin embedded unstained samples of bone marrow involved with MM or a plasmacytoma are available, these can be shipped to the NIH for BCMA staining, otherwise new biopsies will need to be performed for determination of BCMA expression. - BCMA expression will need to be documented on the majority of malignant plasma cells by flow cytometry at the NIH at some time after the original anti-BCMA chimeric antigen receptors (CARs) T-cell infusion in all patients undergoing a second anti-BCMA CAR T-cell infusion. - Bone marrow plasma cells must make up less than 50% of total bone marrow cells based on a bone marrow biopsy performed within 24 days of the start of protocol treatment. - Patients must have received at least 3 different prior treatment regimens for multiple myeloma - Must have prior exposure to an immunomodulatory imide drugs ("IMiD") such as lenalidamide and a proteasome inhibitor - Patients must have measurable MM as defined by at least one of the criteria below. - One or more of these abnormalities defines measurable multiple myeloma: - Serum M-protein greater or equal to 1.0 g/dL. - Urine M-protein greater or equal to 200 mg/24 h. - Serum free light chain (FLC) assay: involved FLC level greater or equal to 10 mg/dL (100 mg/L) provided serum FLC ratio is abnormal. - A biopsy-proven plasmacytoma at least 2.0 cm in largest dimension - Bone marrow core biopsy with 30% or more plasma cells Other inclusion criteria: - Greater than or equal to 18 years of age and less than or equal to age 73. - Able to understand and sign the Informed Consent Document. - Clinical performance status of Eastern Cooperative Oncology Group (ECOG) 0-2 - Patients of both genders must be willing to practice birth control from the time of enrollment on this study and for four months after last day of receiving protocol treatment. - 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 are less responsive to the experimental treatment and more susceptible to its toxicities.) - A patient with a negative blood polymerase chain reaction (PCR) test for hepatitis B deoxyribonucleic acid (DNA) test can be enrolled. If hepatitis B DNA (PCR) testing is not available, patients with a negative hepatitis B surface antigen and negative hepatitis B core antibody can be enrolled. - Patients must be tested for the presence of Hepatitis C antigen by PCR and be hepatitis C virus (HCV) ribonucleic acid (RNA) negative in order to be eligible. Only if Hepatitis C PCR testing is not available in a timely manner, patients who are Hepatitis C antibody-negative can be enrolled. - Absolute neutrophil count greater than or equal to 1000/mm(3) without the support of filgrastim or other growth factors within the previous 10 days. - Platelet count greater than or equal to 55,000/mm(3) without transfusion support within the past 10 days. - Hemoglobin greater than 8.0 g/dL - Less than 5% plasma cells in the peripheral blood leukocytes - Serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) less or equal to 2.5 times the upper limit of the institutional normal. - Serum creatinine less than or equal to 1.5 mg/dL. - Total bilirubin less than or equal to 2.0 mg/dL, except in patients with Gilberts Syndrome who must have a total bilirubin less than 3.0 mg/dL. - At least 14 days must have elapsed since any prior systemic therapy at the time the patient starts the cyclophosphamide and fludarabine conditioning regimen, and patients' toxicities must have recovered to a grade 1 or less (except for toxicities such as alopecia or vitiligo). - Because this protocol requires collection of autologous blood cells by leukapheresis in order to prepare anti-BCMA-CAR T cells, systemic anti-myeloma therapy including systemic corticosteroid steroid therapy of greater than 5 mg/day of prednisone or equivalent dose of another corticosteroid are not allowed within 2 weeks prior to the required leukapheresis. - Normal cardiac ejection fraction (greater than or equal to 50% by echocardiography) and no evidence of hemodynamically significant pericardial effusion as determined by an echocardiogram. - For patients with past participation in gene-therapy, cryopreserved peripheral blood mononuclear cells (PBMCs) that have not been genetically engineered must be available. EXCLUSION CRITERIA: - Patients on any anticoagulants except aspirin. - Patients that require urgent therapy due to tumor mass effects or spinal cord compression. - Patients that have active hemolytic anemia. - Patients with second malignancies in addition to multiple myeloma are not eligible if the second malignancy has required treatment within the past 3 years or is not in complete remission. There are two exceptions to this criterion: successfully treated non-metastatic basal cell or squamous cell skin carcinoma. - Women of child-bearing potential who are pregnant or breastfeeding because of the potentially dangerous effects of the preparative chemotherapy on the fetus or infant. Women of child-bearing potential cannot have a positive pregnancy test. Women of child-bearing potential are defined as all women except women who are post-menopausal or who have had a hysterectomy. Postmenopausal will be defined as women over the age of 55 who have not had a menstrual period in at least 1 year. - Active systemic infections (defined as infections causing fevers or requiring anti- microbial treatment), active coagulation disorders or other major uncontrolled medical illnesses of the cardiovascular, respiratory, endocrine, renal, gastrointestinal, genitourinary, neurologic, or immune system, history of myocardial infarction, active cardiac arrhythmias including active atrial fibrillation history of any arrhythmias other than sinus tachycardia, or atrial fibrillation, currently taking any anti-arrythmic or congestive heart failure medications, active obstructive or restrictive pulmonary disease. - Any form of primary immunodeficiency (such as Severe Combined Immunodeficiency Disease). - Systemic corticosteroid steroid therapy of greater than 5 mg/day of prednisone or equivalent dose of another corticosteroid (prednisone, dexamethasone, etc.) is not allowed within 2 weeks prior to either the required leukapheresis or within 2 weeks prior to CAR T-cell infusion (and at any time after the CAR T cell infusion). - History of severe immediate hypersensitivity reaction to any of the agents used in this study. - Patient unwilling to undergo intensive care unit treatment including mechanical ventilation, cardiopulmonary resuscitation, vasoactive drugs, and hemodialysis. - History of allogeneic stem cell transplantation - Patients with current spinal cord compression (without intradural myeloma involvement). - Patients who have a history (or current evidence) of cerebrospinal fluid multiple myeloma, or intra-dural central nervous system masse - Patients with active autoimmune skin diseases such as psoriasis or other active autoimmune diseases such as rheumatoid arthritis. - Patients must not have required supplemental oxygen within the past month unless it was for a resolved infection. - Patient must not have received genetically modified cells except on prior National Cancer Institute (NCI) gene therapy protocols.

Study Design


Intervention

Drug:
Cyclophosphamide
300 mg/m^2 intravenous (IV) over 30 minutes on days -5, -4, and -3
Fludarabine
30 mg/m^2 intravenous (IV) infusion over 30 minutes administered immediately following the cyclophosphamide on day -5, -4, -3
Biological:
Anti-B Cell Maturation Antigen (BCMA) chimeric antigen receptors (CARs) T cells
0.75x10^6 - 12.0X10^6 CAR+ T cells per kg of recipient bodyweight one time dose on day 0

Locations

Country Name City State
United States National Institutes of Health Clinical Center Bethesda Maryland

Sponsors (1)

Lead Sponsor Collaborator
National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other Number of Participants With Serious and/or Non-serious Adverse Events Assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0). Here is the number of participants with serious and/or non-serious adverse events assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0). A non-serious adverse event is any untoward medical occurrence. A serious adverse event is an adverse event or suspected adverse reaction that results in death, a life-threatening adverse drug experience, hospitalization, disruption of the ability to conduct normal life functions, congenital anomaly/birth defect or important medical events that jeopardize the patient or subject and may require medical or surgical intervention to prevent one of the previous outcomes mentioned. Date treatment consent signed to date off study, approximately 16 months/17 days, 4 months/4 days, 4 months/18 days, 42 months/8 days, 20 months/19 days, 29 months/28 days, and 30 months/26 days for each Arm/Group respectively.
Primary Maximum Tolerated Dose (MTD) of Anti-B Cell Maturation Antigen (BCMA) - Chimeric Antigen Receptor (CAR)-T Cells The MTD is the dose at which a maximum of 1 of 6 patients has a DLT. A DLT is Grade 3 toxicities possibly or probably or definitely related to the Anti-B cell maturation antigen (BCMA) - chimeric antigen receptor (CAR)-expressing T-Cells lasting more than 9 days. Grade 4 toxicities possibly or probably or definitely related to the anti-BCMA CAR T cells. Grade 3 is severe, and Grade 4 is life-threatening. First 28 days of treatment
Primary Number of Participants at Each Dose Level Who Experience a Dose-Limiting Toxicity (DLT) A DLT is Grade 3 toxicities possibly or probably or definitely related to the anti-B cell maturation antigen (BCMA) - chimeric antigen receptor (CAR)-T cells and lasting more than 9 days. Grade 4 toxicities possibly or probably or definitely related to the anti-BCMA CAR T cells. Grade 3 is severe, and Grade 4 is life-threatening. First 28 days of treatment
See also
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Completed NCT02294487 - Study of the Immune Response After Vaccination in Multiple Myeloma Patients
Withdrawn NCT02447055 - Allogeneic Stem Cell Transplantation for Patients With Multiple Myeloma Phase 0
Completed NCT02215967 - Study of T Cells Targeting B-Cell Maturation Antigen for Previously Treated Multiple Myeloma Phase 1