Non Hodgkin Lymphoma Clinical Trial
Loncastuximab Tesirine for the Treatment of Relapsed or Refractory B-Cell Malignancies
This phase II trial tests whether loncastuximab tesirine works to shrink tumors in patients with B-cell malignancies that have come back (relapsed) or does not respond to treatment (refractory). Loncastuximab tesirine is a monoclonal antibody, called loncastuximab, linked to a chemotherapy drug, called tesirine. Loncastuximab is a form of targeted therapy because it attaches to specific molecules (receptors) on the surface of cancer cells, known as CD19 receptors, and delivers tesirine to kill them.
Patients receive loncastuximab tesirine intravenously (IV) over 30 minutes on day 1 of each cycle. Treatment repeats every 21 days for 6 cycles in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for 5 years.
Male or female patient aged 18 years or older
Group 1: CD19+ relapsed/refractory post-transplant lymphoproliferative disorder (PTLD),
Group 2: Relapsed/refractory. CD19+ B-cell non-Hodgkin lymphoma (B-NHL) excluding Waldenstrom's macroglobulinemia and marginal zone lymphoma, (at least 1 prior therapy, and no alternative with a more favorable benefit/risk ratio in the judgment of the treating investigator.
Group 3: CD19+ diffuse large B-cell lymphoma (DLBCL), follicular lymphoma (FL), or mantle cell lymphoma (MCL) relapsing after chimeric antigen receptor (CAR) T-cell therapy or allogeneic transplant (at least 30 days from CAR T/transplant)
Group 4: Relapsed/refractory, CD19-negative B-NHL by both immunohistochemistry and flow cytometry (minimal to absent expression). Patients (Pts) must have had at least 1 prior therapy, and no alternative with a more favorable benefit/risk ratio in the judgment of the treating investigator
Have measurable nodal or extranodal disease, including at least 1 disease site measuring 1.5 cm in longest dimension; or splenomegaly; or histologic marrow involvement for marrow-only presentations
Have a performance status of 0-2 on the Eastern Cooperative Oncology Group (ECOG) performance scale (PS)
Absolute neutrophil count (ANC) >= 1.0 x 10^3/uL (off growth factors at least 72 hours), unless due to marrow involvement by lymphoma in which case ANC must be >= 0.5 x 10^3/uL
Platelet count >= 75 x 10^3/uL without transfusion in the prior 7 days, unless due to disease including splenomegaly in which case platelet count must be >= 50 x 10^3/uL
Alanine aminotransferase (ALT), aspartate aminotransferase (AST), and gamma glutamyl transferase (GGT) =< 3 x the upper limit of normal (ULN)
Total bilirubin =< 1.5 x ULN (patients with known Gilbert's syndrome may have a total bilirubin up to =< 3 x ULN)
Blood creatinine =< 2.0 x ULN or calculated creatinine clearance >= 50 mL/min by the Cockcroft and Gault equation
Negative beta-human chorionic gonadotropin (beta-HCG) pregnancy test within 7 days prior to start of study drug (cycle 1 day 1 [C1D1]) for women of childbearing potential
Women of childbearing potential must agree to use a highly effective method of contraception from the time of giving informed consent until at least 9 months after the last dose of loncastuximab tesirine
Men with female partners who are of childbearing potential must agree that they will use a condom from the time of giving informed consent until at least 6 months after the patient receives his last dose of loncastuximab tesirine
Previous treatment with loncastuximab tesirine
Known history of hypersensitivity to loncastuximab tesirine
Active second primary malignancy other than non-melanoma skin cancers, non-metastatic prostate cancer, in situ cervical cancer, ductal or lobular carcinoma in situ of the breast, or other malignancy
Uncontrolled graft-versus-host disease
Has known active hepatitis B (e.g., hepatitis B surface antigen [HBsAg] reactive or hepatitis B virus [HBV] deoxyribonucleic acid [DNA] detectable) or hepatitis C (e.g., hepatitis C virus [HCV] ribonucleic acid [RNA] [qualitative] is detected)
Is pregnant, breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 9 months after the last dose of trial treatment
Clinically significant third space fluid accumulation (i.e., ascites requiring drainage or pleural effusion that is either requiring drainage or associated with shortness of breath)
Lymphoma with active central nervous system (CNS) involvement at the time of screening, including active leptomeningeal disease. A history of treated CNS disease permitted
Significant medical comorbidities, including but not limited to unstable angina, congestive heart failure (New York Heart Association class III or greater), uncontrolled atrial or ventricular cardiac arrhythmia, that would, in the Investigator's judgment, make the patient inappropriate for study participation or put the patient at risk
Major surgery, radiotherapy, chemotherapy or other anti-neoplastic therapy within 14 days prior to start of study drug (C1D1)
Use of any other experimental medication within 14 days prior to start of study drug (C1D1)
Planned live vaccine administration after starting study drug (C1D1)
Any other significant medical illness, abnormality, or condition that would, in the investigator's judgment, make the patient inappropriate for study participation or put the patient at risk
Is currently participating in a study and receiving an investigational agent or is using an investigational device within 4 weeks of the first dose of treatment
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