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A phase II trial of TisaGenlecleucel (CTL019) in Elderly Patients with First-Relapsed or Primary Refractory Aggressive B-cell Non-Hodgkin Lymphoma
Full description
This is a single-arm, prospective, multicenter phase-II trial for elderly patients with aNHL failing 1st-line treatment with immunochemotherapy containing rituximab and anthracycline, who are not eligible for either autologous or allogeneic stem cell transplantation, defined as age > 65 years, or > 60 years old with HCT-CI score >2. This trial evaluates the CMR rate 12 weeks after tisagenlecleucel (CTL019) infusion, the incidence and severity of adverse events, progression-free survival, and overall survival after one and two years after tisagenlecleucel (CTL019).
Enrollment
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Inclusion criteria
Written, signed and dated informed consent must be obtained prior to participation in the study
Patients with first relapse of aggressive B-cell Non-Hodgkin Lymphoma (aNHL) within 365 days after rituximab- and anthracycline-containing first-line immunochemotherapy or aNHL refractory to first-line therapy (not achieving a CR or PR), who are ineligible for either autologous or allogeneic stem cell transplantation, defined by age > 65 years, or > 60 years with a HCT-CI score > 2 (https://qxmd.com/calculate/calculator_108/hematopoietic-cell-transplantation-specific-comorbidity-index-hct-ci) and not older than 80 years.
Histologically confirmed (by local histopathological assessment) aNHL at relapse or progression due to refractory disease after front line therapy. aNHL is defined by the following list of subtypes:
Measurable disease:
ECOG performance status 0-2
Adequate organ function:
a. Kidney function defined as: i. Serum creatinine estimated glomerular filtration rate GFR ≥ 30mL/min b. Hepatic function defined as: i. ALT and AST ≤ 5 × ULN, except for aNHL-related functional impairment. ii. Bilirubin ≤2.0 mg/dl except for patients with Gilbert syndrome, who may be included if their total bilirubin is ≤3.0 × ULN and direct bilirubin ≤1.5 × ULN OR for aNHL-related functional impairment c. Adequate bone marrow function (regardless of transfusion) defined as: i. WBC ≥2500/µL ii. Absolute neutrophil count (ANC) >1000/µL iii. Platelets ≥50,000/µL iv. Hemoglobin >8.0 g/dl d. Minimum level of pulmonary function defined as: i. No or mild dyspnea (≤ Grade 1) ii. pulse oxygenation ≥ 91% on room air
Life expectancy of more than six months
Women have to be in menopausal or post-menopausal status or confirmed as not having potential on childbearing
Male participants with female partners of childbearing potential are eligible to participate if they agree to contraceptive methods as described in the study protocol
Exclusion criteria
Patients with Richter's transformation, Burkitt lymphoma, or primary CNS lymphoma (PCNSL)
Prior treatment with anti-CD19 therapy, adoptive T-cell therapy, or any prior gene therapy product
Treatment with any lymphoma-directed second-line anticancer therapy prior to enrollment with the exception of intermittent steroid therapy. After enrollment, bridging therapy is permitted for disease control.
Patients with active CNS involvement are excluded, except if the CNS involvement has been effectively treated (i.e. patient is asymptomatic) and local treatment was >4 weeks before enrollment
Prior allogeneic bone marrow transplantation (HSCT)
Active hepatitis B, hepatitis C, or hepatitis E infection
HIV-positive patients
Uncontrolled acute life threatening bacterial, viral or fungal infection (e.g. blood culture positive ≤ 72 hours prior to infusion)
Any of the following cardiovascular conditions:
Previous or concurrent malignancy with the following exceptions:
Pregnant or nursing (lactating) women and women who are not confirmed to be menopausal/post-menopausal. Or women who are capable of giving birth.
Intolerance to the excipients of the tisagenlecleucel cell product
Active or history of inflammatory disorders or autoimmune disease that required systemic steroids or immunosuppressive medications, with exception of vitiligo or resolved childhood asthma
Active tuberculosis
Exposure to any investigational agent(s) within 4 weeks prior to study entry
Chemotherapy less than 2 weeks before leukapheresis
Simultaneous radiotherapy to tisagenlecleucel infusion (radiotherapy between leukapheresis and day -6 before tisagenlecleucel infusion is permitted)
Ongoing necessity for systemic corticosteroids >10mg daily prednisone equivalent. Inhaled or topical steroids and adrenal replacement steroid doses > 10 mg daily prednisone equivalent are permitted in the absence of active autoimmune disease.
History of active primary immunodeficiency
Major surgery (defined as opening at least one body cavity) within 4 weeks prior to study entry
History of idiopathic pulmonary fibrosis, drug-induced pneumonitis, idiopathic pneumonitis, or evidence of active pneumonitis on screening CT scan
Patients with a history of prior treatment with anti-PD-1, anti-PD-L1, anti-PDL2, anti-CTLA-4 antibodies, other immune checkpoint inhibitors
Prior treatment with any anti-CD19/anti-CD3 therapy, or any other anti-CD19 therapy.
Current treatment within another therapeutic clinical trial with experimental and not approved drugs and treatment combinations
Patient's lack of accountability and inability to appreciate the nature, meaning and consequences of the trial and to formulate his/her own wishes correspondingly
Non-compliance, e.g. due to
Patients who have a relationship of dependence or employer-employee relationship to the sponsor or the investigator
Committal to an institution on judicial or official order
Primary purpose
Allocation
Interventional model
Masking
3 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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