Phase I and Dose-Expansion Study of Ibrutinib and R-da-EPOCH for Front Line Treatment of AIDS-Related Lymphomas

  • End date
    Sep 30, 2023
  • participants needed
  • sponsor
    National Cancer Institute (NCI)
Updated on 21 October 2022


This phase I trial studies the side effect and best dose of ibrutinib in combination with rituximab, etoposide, prednisone, vincristine sulfate, cyclophosphamide, and doxorubicin hydrochloride in treating patients with human immunodeficiency virus (HIV)-positive stage II-IV diffuse large B-cell lymphomas. Ibrutinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Monoclonal antibodies, such as rituximab, may interfere with the ability of cancer cells to grow and spread. Drugs used in chemotherapy, such as etoposide, prednisone, vincristine sulfate, cyclophosphamide, and doxorubicin hydrochloride, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving ibrutinib and etoposide, prednisone, vincristine sulfate, cyclophosphamide, and doxorubicin hydrochloride may work better in treating patients with HIV-positive diffuse large B-cell lymphomas.



I. To assess the safety and tolerability of ibrutinib and rituximab (R)-dose adjusted (da)-etoposide, prednisone, vincristine sulfate, cyclophosphamide, and doxorubicin hydrochloride (EPOCH) in participants with acquired immunodeficiency syndrome (AIDS)-related lymphomas (ARL).


I. To evaluate the complete response (CR) rates of ARL to ibrutinib and R-da-EPOCH.

II. To measure the 1-year and 2-year overall and progression-free survival of participants with ARL treated with combination ibrutinib and R-da-EPOCH, including preliminary comparison of non-germinal center B-cell (GCB) with historical controls treated with R-da-EPOCH.

III. To categorize and compare the cell-of-origin by gene expression profiling (GEP) gene expression-based classification (GCB, activated B-cell-like, unclassifiable) to immunohistochemistry (IHC) classification (GCB, non-GCB), estimate the discordant classification, and correlate each biological classification (IHC and GEP) with treatment response rates and survival.

IV. To calculate the percentage of participants who receive two or more cycles of R-da-EPOCH, and are able to continue on a minimum dose level of cyclophosphamide of -1 and above after dose adjustments for hematologic toxicities.

V. To determine the average number of days per cycle participants are able to stay on planned dose of ibrutinib at the recommended phase II dose (RP2D).

VI. To assess the effect of ibrutinib and R-da-EPOCH on the human immunodeficiency virus (HIV) long-term latency reservoir.

VII. To assess the effect and degree of ibrutinib and R-da-EPOCH on T-cell receptor signaling via ITK inhibition.

VIII. To assess the effect of ibrutinib and R-da-EPOCH on B-cell receptor signaling pathway including BTK activity in ARL.

IX. To evaluate the soluble cytokine response to ibrutinib and R-da-EPOCH. X. To characterize the pharmacokinetics of doxorubicin, etoposide, and vincristine in the presence of ibrutinib, and vice versa, and assess the clinical relevance of any drug-drug interaction and correlate with pharmacodynamics outcomes.

OUTLINE: This is a dose escalation study of ibrutinib.

Patients receive rituximab intravenously (IV) on day 1 (for CD20 positive patients only), etoposide IV over 96 hours on days 1-4, doxorubicin hydrochloride IV over 96 hours on days 1-4, vincristine sulfate IV over 96 hours on days 1-4, prednisone orally (PO) daily on days 1-5, cyclophosphamide IV over 1 hour on day 5, and ibrutinib PO once daily (QD) on days 1-21. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. Patients also receive pegfilgrastim subcutaneously (SC) from 1 calendar day up to 48 hours or filgrastim SC beginning on day 6 for up to 10 days until absolute neutrophil count (ANC) is satisfactory.

After completion of study treatment, patients are followed up every 3 months for 2 years, and then every 6 months for up to 5 years.

Condition AIDS-Related Lymphoma, Ann Arbor Stage II Diffuse Large B-Cell Lymphoma, Ann Arbor Stage III Diffuse Large B-Cell Lymphoma, Ann Arbor Stage IV Diffuse Large B-Cell Lymphoma
Treatment Rituximab, cyclophosphamide, laboratory biomarker analysis, filgrastim, doxorubicin hydrochloride, etoposide, prednisone, vincristine sulfate, Ibrutinib, pegfilgrastim, pharmacological study
Clinical Study IdentifierNCT03220022
SponsorNational Cancer Institute (NCI)
Last Modified on21 October 2022


Yes No Not Sure

Inclusion Criteria

Participants must have histologically (via at least a core or ideally, incisional or excisional biopsy) documented CD20 positive or negative diffuse large B-cell lymphoma (DLBCL)
Tissue available from the diagnostic biopsy in the form of blocks, tissue cores, or slides available for submission to central pathology is required for all participants enrolled to this study; formalin-fixed paraffin-embedded tissue from diagnostic tissue is acceptable and recommended; submission of the institutional diagnostic slides is also preferred for all participants enrolled in the study
Stage II-IV disease; participant will need measurable disease by computed tomography (CT) or positron emission tomography (PET) scans if enrolled in the dose-expansion cohort
HIV positive; documentation of HIV-1 infection by means of any one of the following
Documentation of HIV diagnosis in the medical record by a licensed health care provider
Documentation of receipt of ART (at least three different medications) by a licensed health care provider (documentation may be a record of an antiretroviral therapy (ART) prescription in the participant's medical record, a written prescription in the name of the participant for ART, or pill bottles for ART with a label showing the participant's name)
HIV-1 ribonucleic acid (RNA) detection by a licensed HIV-1 RNA assay demonstrating > 1000 RNA copies/mL
Any licensed HIV screening antibody and/or HIV antibody/antigen combination assay confirmed by a second licensed HIV assay such as a HIV-1 western blot confirmation or HIV rapid multispot antibody differentiation assay
NOTE: a "licensed" assay refers to a United States (U.S.) Food and Drug Administration (FDA)-approved assay, which is required for all investigational food drug (IND) studies
Only participants whose lymphoma is untreated are allowed for the dose-finding
Eastern Cooperative Oncology Group (ECOG) performance status =< 2 (Karnofsky >= 50%)
portion; for the dose expansion cohort both untreated and participants who
CD4 count >= 100 in the dose-finding cohort; once the dose-finding cohort is complete and if safety is established, participants with any CD4 count, including CD4 count < 100, will be allowed in the dose-escalation phase
have received a maximum of one cycle of combination chemotherapy, including
rituximab-containing regimens R-cyclophosphamide, doxorubicin hydrochloride
Absolute neutrophil count: >= 1,000/mm^3, unless decreased due to bone marrow involvement with lymphoma
Platelets: >= 75,000/mm^3, unless decreased due to bone marrow involvement with lymphoma
vincristine sulfate, prednisone (CHOP) and R-EPOCH, prior are eligible; the
Total bilirubin: =< 1.5 institutional upper limit of normal (ULN); if potential due to lymphoma, the first cycle may be given without ibrutinib and if transaminitis and bilirubinemia improves to meet parameters, participant mat be enrolled on the clinical trial
start of previous chemotherapy cycle must occur at least 21 days prior and 28
Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]): < 2 institutional ULN; if potentially due to lymphoma, the first cycle will be given without ibrutinib and if transaminitis and bilirubinemia improves to meet parameters, participant may be enrolled on trial
days maximum to beginning treatment under this protocol, and such cycle will
count towards the maximum of 6 cycles under this study (i.e. cycle off study
Creatinine levels within normal institutional limits; or, creatinine clearance >= 60 mL/min/1.73 m^2 for participants with creatinine levels above institutional normal; unless decreased due to renal involvement by lymphoma
will count as cycle 1)
Participants must not be on medications, including antiretroviral (ARV) regimens such as cobicistat, indinavir, or ritonavir, or agents with moderate or strong CYP3A4 inhibition; if on a moderate or strong CYP3A4 inhibitor regimen prior to study enrollment, participants must be switched to a qualifying regimen with the last dose of the strong CYP3A4 inhibitor taken at least one week before administration of ibrutinib
Willingness of sexually active participants to use adequate contraception; both men and women of child-bearing potential treated or enrolled on this study must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) before study entry, for the duration of study participation, 90 days after completion of ibrutinib, and 12 months after the last dose of rituximab, whichever comes last; men who only have sex with other men do not need to use contraception specifically for this study (should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately)
All participants will be required to be screened for hepatitis B; all participants who present with acute hepatitis B or show normal transaminases and are hepatitis B surface antigen (HBsAg) positive (+) and IgM+ for hepatitis core antigen will not be eligible for trial enrollment; per Infectious Diseases Society of America (IDSA) and Assistance for AIDS Specific Drugs (AASD) guidelines, those participants that show no immunity, defined by the lack of hepatitis B surface antibody, and show evidence of chronic infection (i.e. hepatitis B [HB]sAg+, HBcore+, hepatitis B surface antibody [HBsAB] negative [-]) will be required to be on anti-hepatitis B therapy, during the study, in order to be eligible; the exact hepatitis B therapy will be at the discretion of the infection disease specialist or investigator; if infected with hepatitis B, participants will be permitted to enroll in the study provided liver function tests meet criteria listed above, there is no evidence of cirrhosis AND participants will be required to be on anti-hepatitis B therapy
All participants will be required to be screened for hepatitis C; if hepatitis C antibody positive, with or without a positive hepatitis C RNA level, participants will be permitted to enroll in the study provided liver function tests meet criteria listed, and have no evidence of cirrhosis; participants diagnosed with hepatitis C less than 6 months from trial enrollment will be considered to have acute hepatitis C, and will be excluded from study UNLESS hepatitis C viral load is undetectable
Adequate cardiac function defined as an ejection fraction on echocardiogram (ECHO) or multi-gated acquisition (MUGA) that is at or above the institutional normal limits
Participants must be able to swallow oral pills
Ability to understand and willing to sign a written informed consent document

Exclusion Criteria

Participants who have had chemotherapy other than R-EPOCH or R-CHOP, or radiotherapy other than palliative radiation for medical emergencies (like cord compression), within the last 4 weeks
Prior cytotoxic chemotherapy or radiotherapy for this lymphoma
Rituximab within 12 months prior to study registration; only exception will be if rituximab was given for indications other than the treatment of aggressive lymphoma, or for one prior cycle of treatment
Participants who are receiving any other investigational agents
Participants who have previously received ibrutinib for another indication
Expected survival < 2 months
Participants with a history of an opportunistic fungal infection or active fungal infection requiring, or at high risk of requiring, prophylactic or treatment with fluconazole, voriconazole or posaconazole
Participants with known brain metastases from solid tumors should be excluded from this clinical trial
Presence of second active tumor, other than non-melanoma skin cancer, carcinoma in situ of the cervix, or Kaposi's sarcoma (KS) that requires systemic therapy
In the dose-finding portion of the study, participants with known or suspected parenchymal brain, spinal cord, leptomeningeal disease prior to study enrollment will be excluded; in the dose-expansion portion of the study, known or suspected parenchymal brain or spinal cord disease, and/or suspected or symptomatic leptomeningeal disease prior to study enrollment will be excluded; asymptomatic leptomeningeal disease only will be allowed in the dose-expansion cohort
History of allergic reactions attributed to compounds of similar chemical or biologic composition to ibrutinib or other agents used in study
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
Pregnancy or breastfeeding; a pregnancy test must be performed within 7 days prior to ibrutinib initiation in women of childbearing potential; pregnant women; breastfeeding must be discontinued because of unknown but potential risks in the nursing infant
Unable to comply with the requirements of the protocol, or unable to provide adequate informed consent in the opinion of the principal investigator
Serious, ongoing, non-malignant disease or infection, which in the opinion of the investigator and/or the sponsor would compromise other protocol objectives; participants with active opportunistic infections are ineligible
Major surgery, other than diagnostic surgery, occurring 4 weeks prior to study entry; splenectomy will not be considered an exclusionary major surgery
History of cutaneous or mucocutaneous reactions, or diseases in the past, due to any cause, severe enough to cause hospitalization or an inability to eat or drink for > 2 days; this exclusion relates to the long-term possibility of severe cutaneous or mucocutaneous reactions to rituximab that might occur at increased frequency in participants who have had severe skin disease or reactions in the past
Myocardial infarction (MI) within 6 months prior to study entry, New York Heart Association (NYHA) class II or greater heart failure, uncontrolled angina, severe uncontrolled ventricular arrhythmias, clinically significant pericardial disease, or electrocardiographic evidence of acute ischemic or active conduction system abnormalities
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