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Smart Stop: A Phase II Trial of Rituximab, Lenalidomide, Acalabrutinib, Tafasitamab Prior to and With Standard Chemotherapy for Patients With Newly Diagnosed DLBCL


Description

This phase II trial studies the effect of rituximab, lenalidomide, acalabrutinib, tafasitamab alone and in combination with chemotherapy in treating patients with newly diagnosed non-germinal center diffuse large B-cell lymphoma. Rituximab and tafasitamab are monoclonal antibodies that may interfere with the ability of tumor cells to grow and spread. Acalabrutinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Chemotherapy drugs, such as lenalidomide, cyclophosphamide, doxorubicin, and vincristine, and work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Anti-inflammatory drugs, such as prednisone lower the body's immune response and are used with other drugs in the treatment of some types of cancer. Giving rituximab, lenalidomide, acalabrutinib, tafasitamab alone and with combination chemotherapy may help control non-germinal center diffuse

Trial Eligibility

Inclusion Criteria: 1. Histopathologically confirmed diagnosis of DLBCL. 2. No prior treatment except a prior limited-field radiotherapy, a short course of glucocorticoids ≤50mg daily of prednisone equivalent which must be no more than 4 days in duration and cease prior to day 1 of cycle 1, and/or 1 dose of cyclophosphamide 750mg/m2 for an urgent lymphoma related problem at diagnosis (e.g. epidural cord compression, superior vena cava syndrome). 3. Age ≥ 18 years and able to provide informed consent. 4. Participants must have bi-dimensional measurable disease, as defined as radiographically apparent disease with the longest dimension of ≥1.5cm. 5. Participants with performance status of ≤3 (3 only allowed if decline in status is deemed related to lymphoma and felt potentially reversible by the treating physician). 6. Serum bilirubin \<1.5x ULN except in participants with Gilbert's syndrome as defined by \> 80% unconjugated bilirubin who must have a serum bilirubin of \<4x ULN; AST (SGOT) and ALT (SGPT) ≤ 3x ULN or \< 5x ULN if hepatic metastases are present; ANC \>1000/mm3 and platelets \>100,000/mm3 unless deemed related to lymphoma involvement in the bone marrow and felt potentially reversible by the treating physician. 7. Renal function assessed by calculated creatinine clearance: a. Calculated creatinine clearance ≥ 30ml/min by Cockcroft-Gault formula. See section below, "Dosing Regimen", regarding lenalidomide dose adjustment for calculated creatinine clearance ≥ 30ml/min and \< 60ml/min. 8. Participants must be willing to receive transfusions of blood products. 9. All study participants must be registered into the mandatory Revlimid REMS® program, and be willing and able to comply with the requirements of the REMS® program. 10. Women of childbearing potential must have a negative serum (beta-human chorionic gonadotropin \[beta-hCG\]) at screening and must adhere to the scheduled pregnancy testing as required in the Revlimid REMS® program. 11. Women of childbearing potential and men who are sexually active with a woman of childbearing potential must be practicing a highly effective method of during and after the study (12 months after study drug for women and 3 months after study drug for men), consistent with local regulations regarding the use of birth control methods for participants participating in this clinical study. Men must agree to not donate sperm during and for up to 3 months after their conclusion of therapy on study. 12. Able to take aspirin (81 mg) daily or alternative therapy as prophylactic anticoagulation Exclusion Criteria: 1. Any serious medical condition including but not limited to uncontrolled hypertension, uncontrolled congestive heart failure within past 6 months prior to screening (Class 3 (moderate) or Class 4 (severe) cardiac disease as defined by the New York Heart Association Functional Classification), uncontrolled or symptomatic arrhythmias with corrected QT interval (QTc) \> 480 msec at screening, uncontrolled diabetes mellitus, active/symptomatic coronary artery disease, COPD, LVEF less than 40%, renal failure, uncontrolled autoimmune hemolytic anemia or idiopathic thrombocytopenic purpura active infection, history of invasive fungal infection, moderate to severe hepatic disease (Child Pugh Class B or C), active hemorrhage, laboratory abnormality, or psychiatric illness that, in the investigators opinion places the participant at unacceptable risk and would prevent the subject from signing the informed consent form. Participants with history of cardiac arrhythmias should have cardiac evaluation and clearance. 2. Pregnant or lactating females. 3. Known hypersensitivity to lenalidomide or thalidomide, acalabrutinib, tafasitamab, rituximab, vincristine, doxorubicin, cyclophosphamide, or prednisone. 4. Known HIV infection. Hepatitis B or C serologic status: subjects who are hepatitis B core antibody (anti-HBc) positive and who are hepatitis B surface antigen (HBsAg) negative will need to have a negative DNA polymerase chain reaction (PCR) and must be willing to undergo DNA PCR testing during the study to be eligible. Those who are HBsAg positive or hepatitis B DNA PCR positive will be excluded. Participants who are hepatitis C antibody positive will need to have a negative DNA PCR result to be eligible. Those who are hepatitis C DNA PCR positive will be excluded. 5. All participants with known central nervous system involvement with lymphoma. 6. Diagnosis of prior malignancy within the past 2 years with the exception of successfully treated basal cell carcinoma, squamous cell carcinoma of the skin, carcinoma "in situ" of the cervix or breast. History of other malignancies are allowed if in remission (including prostate cancer participants in remission from radiation therapy, surgery or brachytherapy), not actively being treated, with a life expectancy \> 3 years. 7. Significant neuropathy (Grades 2 or Grade 1 with pain) within 14 days prior to enrollment 8. Contraindication to any of the required concomitant drugs or supportive treatments or intolerance to hydration due to preexisting pulmonary or cardiac impairment including pleural effusion requiring thoracentesis or ascites requiring paracentesis not due to lymphoma. 9. Participants with active pulmonary embolism or deep vein thrombosis (diagnosed within 30 days of study enrollment). 10. Participants with severe bradycardia (heart rate \<40 bpm, hypotension, light-headedness, syncope). 11. Major surgery within 4 weeks of study entry, or wound that is not healed from prior surgery or trauma. 12. History of stroke or intracranial hemorrhage within 6 months prior to study entry. 13. Requires anticoagulation with warfarin or equivalent vitamin K antagonists. 14. Requires chronic treatment with strong CYP3A inhibitors. 15. Vaccinated with live, attenuated vaccines within 4 weeks of study entry. 16. Active bleeding or history of bleeding diathesis (eg, hemophilia or von Willebrand disease). 17. Uncontrolled AIHA (autoimmune hemolytic anemia) or ITP (idiopathic thrombocytopenic purpura). 18. Presence of a gastrointestinal ulcer diagnosed by endoscopy within 3 months before screening. 19. Prothrombin time (PT)/INR or aPTT (in the absence of lupus anticoagulant) \>2x ULN. 20. Requires treatment with proton pump inhibitors (eg, omeprazole, esomeprazole, lansoprazole, dexlansoprazole, rabeprazole, or pantoprazole). Note: Subjects receiving proton pump inhibitors who switch to H2-receptor antagonists or antacids are eligible for enrollment to this study. 21. Concurrent participation in another therapeutic clinical trial.

Study Info

Organization

M.D. Anderson Cancer Center


Primary Outcome

Overall response rate


Outcome Timeframe At the end of 4 cycles of therapy with rituximab, lenalidomide, acalabrutinib, tafasitamab (each cycle = 21 days)

NCTID NCT04978584

Phases PHASE2

Primary Purpose TREATMENT

Start Date 2022-03-03

Completion Date 2025-01-16

Enrollment Target 60

Interventions

DRUG Acalabrutinib

DRUG Cyclophosphamide

DRUG Doxorubicin Hydrochloride

DRUG Lenalidomide

DRUG Prednisone

BIOLOGICAL Rituximab

BIOLOGICAL Tafasitamab

DRUG Vincristine

Locations Recruiting

M D Anderson Cancer Center

United States, Texas, Houston


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