Phase 1 Study of Ibrutinib and Immuno-Chemotherapy Using Temozolomide, Etoposide, Doxil, Dexamethasone, Ibrutinib,Rituximab (TEDDI-R) in Primary CNS Lymphoma
Status and phase
Conditions
Treatments
Details and patient eligibility
About
BACKGROUND:
- Primary CNS lymphoma (PCNSL) is a rare subtype of diffuse large B-cell lymphoma.
- The outcome for patients with this diagnosis is significantly worse than for that of systemic DLBCL. Most treatment approaches in the past have included high dose methotrexate and radiation treatment.
- Most PCNSLs appear to be of activated B-cell (ABC) origin.
- Ibrutinib is an inhibitor of Bruton s tyrosine kinase (BTK) and effective for systemic DLBCL of ABC origin.
- We propose doing a study in which ibrutinib is combined with a novel chemotherapy platform called dose adjusted temozolomide, etoposide, doxil, dexamethasone, ibrutinib, rituximab (TEDDI-R).
OBJECTIVE:
- Identify the maximum tolerated dose (MTD) of ibrutinib or the dose that achieves adequate CSF concentrations, whichever comes first, when ibrutinib is given with TEDDI-R.
ELIGIBILITY:
- Relapsed/refractory PCNSL.
- Age greater than or equal to 18 years.
- No pregnant or breast-feeding women.
- Adequate organ function (defined in protocol).
STUDY DESIGN:
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This is a phase 1 study of 40 patients.
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The study will have two components.
- Phase 1: MTD of ibrutinib will be identified or the dose at which ibrutinib achieves a concentration of less than or equal to 100 nM in the CSF, when given in combination with TEDDI-R immuno-chemotherapy, whichever comes first.
- Expansion cohort: Safety and tolerability of the regimen in relapsed/refractory or previously untreated PCNSL (DLBCL type) will be assessed at the final ibrutinib dose with TEDDI-R in 10 patients. Secondary objectives will be PFS and OS.
Full description
Background:
- Primary CNS lymphoma (PCNSL) is a rare subtype of diffuse large B-cell lymphoma
- The outcome for patients with this diagnosis is significantly worse than for that of systemic DLBCL.
Most treatment approaches in the past have included high dose methotrexate and radiation treatment.
- Most PCNSLs appear to be of activated B-cell (ABC) origin
- Ibrutinib is an inhibitor of Bruton s tyrosine kinase (BTK) and effective for systemic DLBCL of ABC origin.
- We propose doing a study in which ibrutinib is combined with a novel chemotherapy platform called temozolomide, etoposide, doxil, dexamethasone, ibrutinib, rituximab (TEDDI-R).
Objective:
- To identify the dose of ibrutinib with anti-fungal prophylaxis that can be safely administered to achieve an ibrutinib median CSF CMAX of 1.98 nM (Range 0.69 to 11.1)
- Revised in Amendment M (version date: 11/03/2020): To assess the safety, feasibility, and complete response (CR) rate of the TEDDI-R in untreated PCNSL (DLBCL type) patients.
Eligibility:
- Relapsed/refractory or untreated PCNSL
- Age >= 18 years.
- No pregnant or breast-feeding women.
- Adequate organ function (defined in protocol).
Study Design:
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This is a phase 1 study of 93 patients.
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The study will have three components.
- Phase 1: MTD of ibrutinib will be identified or the dose at which ibrutinib achieves a concentration of >= 100 nM in the CSF, when given in combination with TEDDI-R immuno-chemotherapy, whichever comes first.
- Expansion cohort: Safety and tolerability of the regimen in relapsed/refractory PCNSL (DLBCL type) will be assessed at the final ibrutinib dose with TEDDI-R in 10 patients. Secondary objectives will be PFS and OS.
- Revised Study Design: Effective with Amendment G (version date: 7/31/2017), new ibrutinib dose levels are being added together with anti-fungal prophylaxis to determine the dose of ibrutinib that may be safely given with the chemotherapy platform.
- Effective with Amendment M (version date: 11/03/2020), a second expansion cohort of untreated PCNSL (DLBCL type) will be added: Safety, feasibility, and complete response rate of the regimen in untreated PCNSL (DLBCL type) will be assessed at the final ibrutinib dose with TEDDI-R in 15 patients. Secondary objectives will be PFS and OS.
- Effective with Amendment 06/04/2021, a new dosing schedule will be tested in up to 10 relapsed or refractory patients and 15 patients with untreated PCNSL. Secondary objectives will be PFS and OS.
Enrollment
Sex
Ages
Volunteers
Inclusion and exclusion criteria
- ELIGIBILITY CRITERIA:
- Patients must have histologically or cytologically confirmed primary central nervous system diffuse large B-cell lymphoma. Patients with PCNSL that is only extracranial will not be eligible. Patients with relapsed or refractory disease, as well as untreated patients,
are eligible. Untreated patients must not have high dose chemotherapy and autologous stem cell transplantation (ASCT) planned as part of frontline therapy to be eligible for the trial.
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At least 2 weeks have passed since prior chemotherapy, biological therapy, radiation therapy,other investigational or anti-cancer therapy that is considered disease-directed.
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Ibrutinib must be discontinued 7 days before (when possible) until 7 days after major surgery, and 3 days before (when possible) until 3 days after minor surgery. Thus, patients to be enrolled on an ibrutinib trial must have completed major surgery greater than or equal to 7 days before initiating treatment, and/or must have completed minor surgery greater than or equal to 3 days before initiating treatment.
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Recovered from prior toxicities to Grade 0-1 at least 2 weeks prior to investigational therapy.
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Men and women age >=18 years. Because no dosing or adverse event data are currently available on the use of ibrutinib and TEDDI-R in patients <18 years of age, children are excluded from this study, but may be eligible for future pediatric trials.
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ECOG performance status less than or equal to 2 (Karnofsky greater than or equal to 60%) unless due to neurologic deficits caused by CNS lymphoma with the following exceptions: patients with ECOG PS = 4 where neurologic deficits are unlikely to resolve with tumor resolution and may cause clinical management problems are excluded.
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Patients must have normal organ and marrow function as defined below, independent of growth factor or transfusion support. Patients should not receive growth factors or transfusions for at least 7 days prior to first dose of study drug with the exception of pegylated G-CSF (pegfilgrastim) and darbepoeitin which require at least 14 days prior to screening and randomization.
- absolute neutrophil count greater than or equal to 750 cells/mcL (0.75 x 10(9)/L)
- platelet count greater than or equal to 50,000 cells/mcL (50 X 10(9)/L)
- hemoglobin greater than 8.0 g/dL
- total bilirubin less than or equal to1.5 times ULN (unless Gilbert s syndrome or disease infiltration of the liver is present)
- AST(SGOT)/ALT(SGPT) less than or equal to 3.0 times institutional ULN
- Serum Creatinine less than or equal to 1.5 mg/dL OR creatinine clearance greater than or equal to 40 ml/min/1.73m(2) unless lymphoma related.
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Prothrombin time/INR (PT) and activated partial thromboplastin time (aPTT) must be less than or equal to 1.5 times the upper limit of the normal range (ULN); except if, in the opinion of the Investigator, the aPTT is elevated because of a positive Lupus Anticoagulant.
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Left ventricular ejection fraction (LVEF) > 40% as assessed by echocardiogram
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The effects of ibrutinib on the developing human fetus are unknown. For this reason and because tyrosine kinase inhibitors as well as other therapeutic agents used in this trial may be teratogenic, women of reproductive potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry.
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Female patients who are of non-reproductive potential (i.e., post-menopausal by history - no menses for greater than or equal to 1 year; OR history of hysterectomy; OR history of bilateral tubal ligation; OR history of bilateral oophorectomy). Female patients of childbearing potential must have a negative serum pregnancy test upon study entry.
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Male and female patients must agree to use highly effective methods of birth control. A highly effective method of birth control is defined as a method that has a low failure rate (i.e., less than 1% per year) when used consistently and correctly and includes implants, injectables, birth control pills with two hormones, some intrauterine devices (IUDs). Male subject cannot use highly effective methods and are required to use barrier. The specific guidelines are as follows:
- Women: If you can have children, you must use a highly effective method of birth control and a barrier method, or sexual abstinence (which is defined as refraining from all aspects of sexual activity), while taking study treatment, as well as for 12 months after the last dose of rituximab.
- Men: You must use a barrier method while on treatment with ibrutinib and for 3 months after the last dose of treatment to prevent pregnancy of your partner. You should not donate sperm while you are taking the study drug and for 12 months after you stop taking the last dose of rituximab.
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Patient or appointed surrogate decision-maker or legally authorized representative must have ability to understand the purpose and risks of the study and willingness to provide a signed and dated informed consent form (ICF) and authorization to use protected health information (in accordance with national and local subject privacy regulations).
EXCLUSION CRITERIA:
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Prior exposure to a BTK inhibitor
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History of allergic reactions attributed to compounds of similar chemical or biologic composition to ibrutinib or other agents used in study.
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Patients who are allergic to isavuconazole or any of its ingredients.
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Patients who received a strong cytochrome P450 (CYP) 3A inhibitor or inducer within 7 days prior to the first dose of protocol anti-fungal prophylaxis, or patients who require continuous treatment with a strong CYP3A inhibitor/inducer (i.e., with the exception of any medication to be specifically studied in this protocol).
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Because the lists of these agents are constantly changing, it is important to regularly consult a frequently-updated list; medical reference texts such as the Physicians Desk Reference may also provide this information. As part of the enrollment/informed consent procedures, the patient will be counseled on the risk of interactions with other agents, and what to do if new medications need to be prescribed or if the patient is considering a new over-the-counter medicine or herbal product.
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HIV positive patients will be excluded because of their increased susceptibility to fungal infections which outweighs the potential benefit of participation.
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Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection or an infection requiring systemic antibiotics, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. Recent infections requiring systemic treatment need to have completed therapy greater than 14 days before the first dose of study drug.
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Pregnant and breastfeeding women are excluded from this study. Pregnant women are excluded in this study because ibrutinib is a tyrosine kinase inhibitor with the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with ibrutinib, breastfeeding should be discontinued if the mother is treated with ibrutinib.
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Uncontrolled Autoimmune Hemolytic Anemia or ITP resulting in (or as evidenced by) declining platelet or Hgb levels within the 4 weeks prior to first dose of study drug.
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Presence of transfusion-dependent thrombocytopenia.
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History of prior malignancy, with the exception of the following:
- Malignancy treated with curative intent and with no evidence of active disease present for more than 3 years prior to Screening and felt to be at low risk for recurrence by treating physician
- Adequately treated non-melanomatous skin cancer or lentigo maligna melanoma without current evidence of disease
- Adequately treated carcinoma in situ without current evidence of disease.
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Currently active clinically significant cardiovascular disease such as uncontrolled arrhythmia, congestive heart failure, or Class 3 or 4 congestive heart failure as defined by the New York Heart Association Functional Classification, or history of myocardial infarction unstable angina, or acute coronary syndrome within 6 months prior to enrollment in the study.
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Unable to swallow capsules, or disease significantly affecting gastrointestinal function or resection of the stomach or small bowel, or symptomatic inflammatory bowel disease or ulcerative colitis, or partial or complete bowel obstruction.
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Serologic status reflecting active hepatitis B or C infection. Patients that are positive for hepatitis B core antibody, hepatitis B surface antigen (HBsAg), or hepatitis C antibody must have a negative polymerase chain reaction (PCR) prior to enrollment. Those who are PCR positive will be excluded. Those with a negative PCR for hepatitis B will be treated with antivirals designed to prevent hepatitis B reactivation (e.g., entecavir) and have monitoring for hepatitis B reactivation with PCR.
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History of stroke or intracranial hemorrhage within 6 months prior to enrollment.
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Any life-threatening illness, medical condition, or organ system dysfunction that, in the Investigator s opinion, could compromise the patient s safety, or put the study at undue risk. Patients with suspicious radiologic evidence of aspergillosis infection (i.e., Chest CT and/or Brain MRI) will not be eligible unless confirmatory laboratory testing of Beta-D glucan and aspergillus antigen are negative.
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Concomitant use of warfarin or other vitamin K antagonists within the last 7 days.
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Concurrent systemic immunosuppressant therapy other than corticosteroids (e.g., cyclosporine A, tacrolimus, etc.) within 28 days of the first dose of study drug.
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Vaccinated with live, attenuated vaccines within 4 weeks of first dose of study drug.
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Unresolved toxicities from prior anti-cancer therapy, defined as having not resolved to grade less than or equal to1, or to the levels dictated in the inclusion/exclusion criteria with the exception of alopecia.
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Known bleeding disorders (e.g., von Willebrand s disease) or hemophilia.
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Major surgery within 7 days of first dose of study drug.
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Unwilling or unable to participate in all required study evaluations and procedures.
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Currently active, clinically significant hepatic impairment (greater than or equal to moderate hepatic impairment according to the NCI/Child Pugh classification.
Trial design
Primary purpose
Allocation
Interventional model
Masking
93 participants in 5 patient groups
Trial contacts and locations
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Central trial contact
Mark J Roschewski, M.D.; Kimberly A Johnson, R.N.
Data sourced from clinicaltrials.gov
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