Objectives: The primary objective of this study will be to evaluate the impact of pre-emptive use of anakinra on the rate of severe cytokine release syndrome (CRS) following CD19-directed chimeric antigen receptor (CAR) T-cell therapy for B-acute lymphoblastic leukemia (B-ALL) in children and young adults.
Patient Population: Children and young adults \<25 years of age undergoing CAR T-cell therapy for B-ALL with bone marrow disease burden of ≥5% involvement or detectable peripheral blasts within 2 weeks of the initiation of lymphodepleting chemotherapy.
Study Design: This is a pilot single arm study. The investigators will inquire into the efficacy and safety of using anakinra pre-emptively to reduce the rate of severe CRS in patients with \>/=5% bone marrow blasts or lymphoblasts in the peripheral blood.
Treatment Plan:
This is a single arm unblinded study in which patients will receive anakinra, 2.5 mg/kg (max 100mg), IV every 12 hours starting at the onset of persistent fever (fever \>38.5⁰ C x 2 occurrences separated by at least 4 hours in a 24 hour period). If there is persistence or progression of CRS, anakinra frequency will be increased to 2.5mg/kg IV (max 100mg), every 6 hours. Anakinra will be continued until 48 hours after resolution of CRS and ICANS, and at least 7 days post-CAR T infusion. If dose and frequency of anakinra is increased, the increased dose of anakinra will be continued until 48 hours after resolution of CRS and immune effector cell-associated neurotoxicity syndrome (ICANS) and at least 7 days post-CAR T infusion. For CRS worsening beyond dose escalation of anakinra, CRS will be managed as per standard of care management. Participants will be followed for 12 months following enrollment in the study and disease evaluations will be performed as per routine clinical care following CAR T-cell therapy.
Patients or their parents/legally authorized representatives (LARs) must have the ability to understand and the willingness to sign a written informed consent document.
The effects of Anakinra on the developing human fetus are largely unknown. For this reason, patients of child-bearing potential (POCBP) and their partners with sperm-producing reproductive capacity must agree to use adequate contraception from time of informed consent, for the duration of study participation, and for 90 days following completion of Anakinra therapy. Should a POCBP become pregnant or suspect they are pregnant while they or their partner are participating in this study, they should inform their treating physician immediately. Patients with sperm-producing reproductive capacity (PWSPRC) treated or enrolled on this protocol must also agree to use adequate contraception with partners of childbearing potential from time of informed consent, for the duration of study participation, and 90 days after completion of administration.
Has not undergone a hysterectomy or bilateral oophorectomy
Has had menses at any time in the preceding 12 consecutive months (and therefore has not been naturally postmenopausal for > 12 months)
None
Single group
Anakinra (Kineret®)
DrugPre-emptive Anakinra at the initial onset of CRS.
Rate of Severe CRS within 30 days of CAR T-cell infusion
The rate of severe CRS, grade ≥3 CRS, as defined by the American Society of Transplantation and Cellular Therapy (ASTCT) consensus guidelines. Participants will have CRS grading each day of hospitalization and every clinical visit within the first 30 days of CAR T-cell infusion.
Complete Remission Rate
1\. Complete Remission Rate at day 28-35 post-CAR-T
Overall and event-free survival
6- and 12-month overall and event-free survival
CRS and ICANS Severity
Rate and any grade of CRS, any grade ICANS, severe (grade \>/=3) ICANS, any grade IEC-HS
Immune effector cell-associated hematotoxicity (ICAHT) Severity
Rate of any grade and grade \>/=3 ICAHT as defined by European Hematology Association (EHA)/European Society for Blood and Marrow Transplantation (EBMT) guidelines
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Ann & Robert H Lurie Children's Hospital of Chicago
Lead sponsor
National Center for Advancing Translational Sciences (NCATS)
Collaborator
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