Study to Evaluate Safety and Preliminary Efficacy of Tafasitamab With Idelalisib or Venetoclax in R/R CLL/SLL Patients Pretreated With BTKi (COSMOS)
Leukemia, Lymphocytic, Chronic, B-Cell, Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
About this trial
This is an interventional treatment trial for Leukemia, Lymphocytic, Chronic, B-Cell focused on measuring CD19, MOR208, MOR00208, CLL, SLL, COSMOS, tafasitamab
Eligibility Criteria
Major inclusion criteria
Diagnosis/Trial Population
Chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL):
- history of diagnosis of CLL or SLL that meets IWCLL diagnostic criteria
- histologically confirmed diagnosis of SLL by lymph node biopsy
- indication for treatment as defined by the IWCLL guidelines
Patients must have both of the following:
- relapsed or refractory disease while receiving a BTKi therapy or intolerance of such therapy
- single-agent or combination therapy with a BTKi for at least one month must be the patient's most recent prior anticancer therapy
- ECOG performance status of 0 to 2
- Patients with a past medical history of autologous or allogeneic stem cell transplantation must exhibit full hematological recovery
Laboratory Values
• Patients must meet adequate bone marrow function and adequate hepatic and renal function
Other Inclusion Criteria
• Females of childbearing potential must use a highly effective method of contraception
Major exclusion criteria
Diagnosis
• Patients who have:
- non-Hodgkin's lymphomas other than CLL/SLL
- transformed CLL/SLL or Richter's syndrome
- active and uncontrolled autoimmune cytopenia
Previous and Current Treatment
- Patients who have received treatment with a BTK inhibitor within 5 days prior to Day 1 dosing
Patients who have, within 14 days prior to D1 dosing:
- not discontinued CD20-targeted therapy, chemotherapy, radiotherapy, investigational anticancer therapy or other lymphoma specific therapy
- systemic corticosteroids in doses greater than prednisone equivalent to 20 mg/day with the exception of patients with signs of rapidly progressing disease
- received live vaccines with the exception of vaccination against influenza with inactivated virus or for pneumococcal diseases
Sites / Locations
- Clinical Study Site
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- Clinical Study Site
Arms of the Study
Arm 1
Arm 2
Experimental
Experimental
Cohort A
Cohort B
tafasitamab (MOR208) in combination with idelalisib
tafasitamab (MOR208) in combination with venetoclax