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MT2017-45: CAR-T Cell Therapy for Heme Malignancies

Chimeric Antigen Receptor (CAR)-T Cell Therapy for Patients With Hematologic Malignancies

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03642626
Enrollment
150
Registered
2018-08-22
Start date
2018-12-18
Completion date
2028-06-01
Last updated
2026-01-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Lymphoblastic Leukemia, Large B-cell Lymphoma

Keywords

ALL, CAR-T, CAR19-T, chimeric antigen receptor T cells

Brief summary

This is a phase II study of FDA-approved CAR-T products for patients with hematologic malignancies. Patients will be assigned to Arm A and B based on age and diagnosis. Overall remission rate, safety events and other endpoints will be calculated for Arm A and B separately.

Interventions

CD19-directed genetically modified autologous T cell immunotherapy

DRUGFludarabine 30mg/m2 4 doses

30 mg/m2 IV daily for 4 doses

DRUGCyclophosphamide 500 mg/m2; 2 doses

500 mg/m2 IV daily for 2 doses starting with the first dose of fludarabine

FDA approved CD19-directed genetically modified autologous T cell immunotherapy comprised of autologous T cells

DRUGFludarabine 30mg/m2 3 doses

30 mg/m2 IV daily for 3 doses

DRUGCyclophosphamide 500 mg/m2; 3 doses

500 mg/m2 IV daily for 3 doses starting with the first dose of fludarabine

DRUGFludarabine 25mg/m2 3 days

25 mg/m2 i.v. daily for 3 days

DRUGCyclophosphamide 250 mg/m2; 3 days

250 mg/m2 IV daily for 3 days starting with the first dose of fludarabine

TECARTUS is a CD19-directed genetically modified autologous T cell immunotherapy, binds to CD19-expressing cancer cells and normal B cells

DRUGAbecma, Intravenous Suspension

Infuse ABECMA 2 days after completion of lymphodepleting chemotherapy.

DRUGCyclophosphamide 900 mg/m2; 1 day

Administer cyclophosphamide 900 mg/m2 over 60 minutes on the second day before infusion of TECARTUS

DRUGBreyanzi Injectable Product

Infuse BREYANZI 2 to 7 days after completion of lymphodepleting chemotherapy.

Sponsors

Masonic Cancer Center, University of Minnesota
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

ARM A (Kymriah) and Arm G (Tecartus) :Refractory/relapsed B-cell acute lymphoblastic leukemia expressing CD19 Inclusion Criteria: * Age and Disease Status * Must be age 0-25 years (for Arm A Kymriah) or \>18 years (Arm G Tecartus) * Disease status: Relapsed and refractory pediatric B-cell ALL defined by one of these: * Primary induction failure with no complete remission after ≥2 cycles of induction chemotherapy, or * Patients with persistent minimal residual disease (MRD \>0.01% by flow cytometry or persistent by cytogenetic or molecular assays) after ≥2 cycles of consolidation chemotherapy, or * Patients in 2nd or greater relapse of B-ALL or * Patients with persistent CNS leukemia, or * Down Syndrome or other congenital diseases assuming that they fit the criteria for second or greater relapse or refractory leukemia, or * Patients with Ph+ ALL are eligible if theywho have failed or are intolerant to two lines of TKI assuming they fit the criteria for second or greater relapse or are considered refractory. * Performance Status \* Arm A: Karnofsky (age ≥16 years) or Lansky (age \< 16 years) performance status ≥ 50% at screening; Arm G: ECOG 0, 1 or 2 * Organ Function * Renal function defined as: * A serum creatinine of ≤1.5 x ULN OR * eGFR ≥ 50 mL/min/1.73 m2 * Liver function defined as: \*\* ALT ≤ 5 times the ULN for age (unless due to disease) \*\* Bilirubin ≤ 2.0 mg/dl with the exception of patients with Gilbert syndrome; may be included if their total bilirubin is ≤ 3.0 x ULN and direct bilirubin ≤ 1.5 x ULN * Must have a minimum level of pulmonary reserve defined as ≤ Grade 1 dyspnea and pulse oxygenation SpO2 \> 91% on room air * Hemodynamically stable and LVEF ≥ 45% confirmed by echocardiogram or MUGA * Other Inclusion Criteria * Life expectancy ≥12 weeks * Women of child bearing potential and sexually active males with partners of child bearing potential must agree to use adequate birth control for the duration of treatment. * Written voluntary consent (adults) or parental/guardian consent (minors or adults with diminished capacity) prior to the performance of any research related tests or procedures.

Exclusion criteria

* Pregnant or breastfeeding - Females of childbearing potential must have a blood test or urine study within 14 days prior to registration to rule out pregnancy. * Patients with Burkitt's lymphoma/leukemia (i.e. patients with mature B-cell ALL, leukemia with B-cell \[sIg positive and kappa or lambda restricted positivity\] ALL, with FAB L3 morphology and /or a MYC translocation) * CNS 2A * CAR-T is not indicated for the treatment of patients with primary central nervous system lymphoma. * Presence of Grade 2 to 4 acute or extensive chronic graft-versus-host disease (GVHD). All GVHD medication must be stopped 2 weeks prior to apheresis. * Uncontrolled active hepatitis B or hepatitis C * Active HIV infection * Uncontrolled acute life threatening bacterial, viral or fungal infection (e.g. blood culture positive ≤ 72 hours prior to infusion) * Unstable angina and/or myocardial infarction within 1 month prior to CAR-T infusion * Investigational medicinal product within the last 7 days prior to apheresis or CAR-T infusion * Intolerance to the excipients of the CAR-T cell product * Any immunosuppressive medication must be stopped ≥ 2 weeks prior to enrollment. * Patient has taken one of the prohibited concomitant medications within the timeframe outlined in section 6.1 ARM B: Yescarta for Relapsed or Refractory diffuse large B cell lymphoma Inclusion Criteria: * Age and Disease Status * Adult patients (age ≥ 18 years)Patients must be ≥18 years of age * One of the following histologies and expression of CD19 by tumor cells: \*\* diffuse large B-cell lymphoma (DLBCL) not otherwise specified, or \*\* primary mediastinal large B-cell lymphoma, or \*\* high grade B-cell lymphoma, or \*\* DLBCL arising from follicular lymphoma * Disease status: \*\* Chemotherapy refractory disease after ≥2 lines of chemotherapy, or \*\* Relapsed with no remission after ≥1 lines of salvage chemotherapy, or \*\* Relapsed following autologous HCT (and failed at least 2 prior lines of therapy including high dose chemotherapy). If salvage therapy is given post autoHCT, the subject must have no response or relapse after the last line of therapy * Measurable disease at time of apheresis: Nodal lesions or extranodal lesion * ECOG performance status 0-2 * ALC \>/=100/uL at screening (prior to apheresis) * Renal function defined as: \*\* A serum creatinine of ≤1.5 x ULN OR \*\* eGFR ≥ 50 mL/min/1.73 m2 * Liver function defined as: * ALT ≤ 5 times the ULN for age (unless due to disease) * Bilirubin ≤ 2.0 mg/dl with the exception of patients with Gilbert syndrome; may be included if their total bilirubin is ≤ 3.0 x ULN and direct bilirubin ≤ 1.5 x ULN * Must have a minimum level of pulmonary reserve defined as ≤ Grade 1 dyspnea and pulse oxygenation SpO2 \> 91% on room air * Hemodynamically stable and LVEF ≥ 45% confirmed by echocardiogram or MUGA * Adequate bone marrow reserve (unless marrow infiltrated by disease) defined as : * Absolute neutrophil count (ANC) \> 1.000/mm3 (only for NHL) * Platelets ≥ 50.000/mm3 (transfusion support can be provided) * Hemoglobin \>8.0 mg/dl (transfusion support can be provided) * Life expectancy ≥12 weeks * Women of child bearing potential and sexually active males with partners of child bearing potential must agree to use adequate birth control for the duration of treatment. * Written voluntary consent (adults) or parental/guardian consent (minors or adults with diminished capacity) prior to the performance of any research related tests or procedures.

Design outcomes

Primary

MeasureTime frameDescription
Arms B & C&D& E&F: Overall Response Rate (ORR)Day 100ORR defined by complete response + partial response by Lugano
Arm A & E: MRD-negative CR (or CRi)Day 28Percentage of patients with MRD-negative Complete Response CR (or CRi)

Secondary

MeasureTime frameDescription
Percentage of Patients Developing Grade 3 or 4 ICANSDay 28Percentage of patients developing grade 3 or 4 ICANS
Treatment Related Mortality (TRM)Day 28Incidence of treatment related mortality (in absence of disease relapse/progression)
Relapse-free Survival (RFS)1 yearIncidence of Relapse-free Survival (RFS)
Event-Free Survival (EFS)1 Year post treatmentIncidence of event-free survival (EFS) from the date of the CAR-T infusion through 1 year post treatment
Overall Survival (OS)1 yearIncidence of Overall Survival (OS) from the date of the CAR-T infusion through the date of patient death for any reason.
Overall ToxicityDay 28Percentage of patients with grade 3 or 4 targeted toxicity of CRS and/or neurotoxicity

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORVeronika Bachanova, MD, PhD

Masonic Cancer Center, University of Minnesota

Baseline characteristics

Characteristic
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
57 Participants
Age, Categorical
Between 18 and 65 years
76 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
43 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
6 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
1 Participants
Race (NIH/OMB)
More than one race
1 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
Race (NIH/OMB)
Unknown or Not Reported
9 Participants
Race (NIH/OMB)
White
133 Participants
Region of Enrollment
United States
30 participants
Sex: Female, Male
Female
6 Participants
Sex: Female, Male
Male
29 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
EG006
affected / at risk
deaths
Total, all-cause mortality
0 / 263 / 440 / 301 / 72 / 130 / 200 / 10
other
Total, other adverse events
0 / 260 / 440 / 300 / 70 / 130 / 200 / 10
serious
Total, serious adverse events
0 / 261 / 440 / 300 / 70 / 130 / 200 / 10

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026