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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04883437
Other study ID # STUDY00002247
Secondary ID NCI-2021-00894ST
Status Recruiting
Phase Phase 2
First received
Last updated
Start date September 3, 2021
Est. completion date January 15, 2024

Study information

Verified date December 2022
Source Emory University
Contact Jonathon Cohen, MD, MS
Phone 404-778-2419
Email jonathon.cohen@emory.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This phase II trial studies the effect of acalabrutinib and obinutuzumab in treating patients with follicular lymphoma or other indolent non-Hodgkin lymphoma for which the patient has not received treatment in the past (previously untreated). Acalabrutinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Immunotherapy with obinutuzumab may induce changes in body's immune system and may interfere with the ability of cancer cells to grow and spread. Giving acalabrutinib and obinutuzumab may kill more cancer cells.


Description:

PRIMARY OBJECTIVE: I. To determine if treatment acalabrutinib and obinutuzumab is effective in patients with untreated, low tumor burden follicular lymphoma and other indolent non-Hodgkin lymphomas (NHLs). SECONDARY OBJECTIVES: I. Determine the complete response (CR) rate for single agent acalabrutinib at the end of a single-agent run-in for patients with untreated low tumor burden follicular lymphoma (FL). II. Determine tolerability of acalabrutinib and obinutuzumab via assessment of patient-reported outcomes and conventional assessments. III. Assess duration of response and long-term outcomes including progression-free survival. IV. Assess the impact of early treatment with this regimen on health-related quality of life. TERTIARY/EXPLORATORY OBJECTIVES: I. Evaluate the impact of treatment discontinuation in patients who have achieved a complete response at the end of the induction phase. II. To assess the safety and efficacy of acalabrutinib and obinutuzumab in other subtypes of indolent NHL. OUTLINE: INDUCTION PHASE: Patients receive acalabrutinib orally (PO) twice daily (BID) on days 1-28. Patients also receive obinutuzumab intravenously (IV) on days 1, 8, and 15 of cycle 3, then on day 1 of cycles 4-8. Treatments repeat every 28 days for up to 12 cycles in the absence of disease progression or unacceptable toxicity. FOLLOW-UP PHASE: After cycle 12, patients who are in CR are randomized to either discontinue acalabrutinib or to continue acalabrutinib monotherapy in the absence of disease progression or unacceptable toxicity. Patients with partial response (PR) or stable disease (SD) after cycle 12 continue acalabrutinib monotherapy in the absence of disease progression or unacceptable toxicity. Patients with disease progression after cycle 12 discontinue study treatment. Patients with disease progression at any time prior to the conclusion of cycle 12 may continue study therapy if they are felt to be benefiting by the treating physician, but not past cycle 12. After completion of study treatment, patients are followed up at 30 days, every 12 weeks for 1 year, then every 6 months until disease progression or next anti-lymphoma treatment.


Recruitment information / eligibility

Status Recruiting
Enrollment 49
Est. completion date January 15, 2024
Est. primary completion date January 15, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Men and women >= 18 years of age - Patients will need to have one of the following clinical scenarios: - Previously untreated follicular lymphoma grade 1-3a with low tumor burden by Groupe d'Etude des Lymphomes Folliculaires (GELF) criteria - Previously untreated follicular lymphoma grade 1-3a with high tumor burden by GELF criteria but who are unable or unwilling to receive standard front-line treatment approaches - Previously untreated marginal zone lymphoma, lymphoplasmacytic lymphoma, or any other indolent B-cell lymphoproliferative disorder with low tumor burden by GELF criteria or who are unable/unwilling to receive more intensive front-line treatment - Previously untreated mantle cell lymphoma who would otherwise be appropriate candidates for watchful waiting OR who have symptomatic disease but are not candidates for or decline standard induction approaches - Patients with previously untreated low tumor burden FL (criterion above) must have measurable and/or assessable disease defined as at least one involved lymph node or extranodal disease site that measures >= 1.5cm in greatest diameter - Patients who meet inclusion criteria above are eligible as long as they meet one of the following criteria for measurable/assessable disease: - At least one involved lymph node or extranodal disease site measuring > 1.5cm in greatest diameter - Pathologically-confirmed bone marrow or peripheral blood involvement that can be reassessed for response - Pathologically confirmed splenic or extranodal involvement with at least one known site of disease remaining after diagnostic biopsy that can be reassessed (i.e., patients with splenic marginal zone lymphoma who complete splenectomy and have no other detectable disease would not be eligible) - Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 - Woman of childbearing potential (WOCBP) and men enrolled on this protocol must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry for the duration of study participation, and for at least 2 days after the last dose of acalabrutinib or 18 months after the last dose of obinutuzumab, whichever is longer. 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 - Women of childbearing potential must have a negative serum or urine pregnancy test prior to starting therapy - Willing and able to participate in all required evaluations and procedures in this study protocol - Ability to understand the purpose and risks of the study and provide signed and dated informed consent and authorization to use protected health information Ability to understand the purpose and risks of the study and provide signed and dated informed consent and authorization to use protected health information Exclusion Criteria: - The presence or history of histologically transformed or co-existing high-grade or aggressive non-Hodgkin lymphoma - Confirmed active or prior central nervous system disease - Prior receipt of lymphoma-directed therapy or prior antibody-based therapy (except for anti-microbial therapy for infection-associated marginal zone lymphoma such as hepatitis C or H pylori) - A short course of steroids is permitted for patients aside from those in the low tumor burden FL cohort. This course may be no more than 14 days and steroids must be discontinued (or tapered to =< 10mg prednisone or equivalent) no later than 3 days after initiation of study treatment. Patients in the low tumor burden FL cohort may not receive corticosteroids as an anti-lymphoma therapy at any time before starting treatment - Prior malignancy (or any other malignancy requiring active treatment), except for adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, or other cancer from which the subject has been disease free for >= 2 years or which will not limit survival to < 5 years - Clinically significant cardiovascular disease such as symptomatic ventricular arrhythmias, congestive heart failure, or myocardial infarction within 6 months of screening, or any class 3 or 4 cardiac disease as defined by the New York Heart Association Functional Classification. Note: Subjects with controlled, asymptomatic atrial fibrillation can enroll on study if deemed appropriate by the investigator - Has difficulty with or is unable to swallow oral medication, or has significant gastrointestinal disease that would limit absorption of oral medication - Known history of human immunodeficiency (HIV) or any active significant infection (e.g., bacterial, viral, or fungal) within 14 days of cycle 1. Patients with uncomplicated viral or bacterial infections that are being managed with oral antibiotics and/or supportive care alone are eligible - Known history of hypersensitivity or anaphylaxis to study drug(s) including active product or excipient components - Active bleeding or history of bleeding diathesis (e.g., hemophilia or von Willebrand disease) - Uncontrolled AIHA (autoimmune hemolytic anemia) or ITP (idiopathic thrombocytopenic purpura) - Presence of a gastrointestinal ulcer diagnosed by endoscopy within 3 months before screening - Requires treatment with a strong cytochrome P450 3A4 (CYP3A4) inhibitor/inducer - Requires or receiving anticoagulation with warfarin or equivalent vitamin K antagonists - Requires treatment with proton pump inhibitors (e.g, 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 - History of significant cerebrovascular disease/event, including stroke or intracranial hemorrhage, within 6 months before the first dose of study drug. Patients with a transient ischemic attack which has resolved and for which there are no ongoing symptoms are eligible - Major surgical procedure within 28 days of first dose of study drug (not including a diagnostic procedure to make the lymphoma diagnosis). Note: If a subject had major surgery, they must have recovered adequately from any toxicity and/or complications from the intervention before the first dose of study drug - 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 polymerase chain reaction (PCR) and must be willing to undergo deoxyribonucleic acid (DNA) PCR testing during the study to be eligible. Those who are HBsAg positive or hepatitis B PCR positive will be excluded. Subjects who are hepatitis C antibody positive will need to have a negative PCR result to be eligible and have completed appropriate anti-viral treatment. Those who are hepatitis C PCR positive will be excluded. Anti-viral therapy for patients with hepatitis-C associated marginal zone lymphoma will not be considered a prior anti-lymphoma treatment - Absolute neutrophil count (ANC) < 1,000/mcL - Platelet count < 50,000/mcL (Unless felt to be related to underlying disease) - Total bilirubin >= 1.5 x the upper limit of normal (ULN). Isolated bilirubin > 1.5 x ULN is permitted if the direct proportion is < 35% - Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) > 2.5 x ULN - Creatinine clearance =< 40 mL/min/1.73m^2 - Breastfeeding or pregnant - Concurrent participation in another therapeutic clinical trial

Study Design


Intervention

Drug:
Acalabrutinib
Given PO
Biological:
Obinutuzumab
Given IV
Other:
Quality-of-Life Assessment
Ancillary studies
Questionnaire Administration
Ancillary studies

Locations

Country Name City State
United States Emory University Hospital/Winship Cancer Institute Atlanta Georgia

Sponsors (3)

Lead Sponsor Collaborator
Emory University AstraZeneca, National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Complete response (CR) rate Complete response rate will be calculated, and a 95% confidence interval will be estimated using the Clopper-Pearson method. Up to start of cycle 6 (each cycle = 28 days)
Primary Incidence of grade 3+ adverse events Assessed by Common Terminology Criteria for Adverse Events (CTCAE) version 5.0. Up to 30 days post treatment
Secondary Overall response rate Overall response rate will be calculated, and a 95% confidence interval will be estimated using the Clopper-Pearson method. Up to 3 years
Secondary CR rate for acalabrutinib monotherapy at end of single-agent run-in Will be calculated, and a 95% confidence interval will be estimated using the Clopper-Pearson method. Up to 3 years
Secondary 2-year progression free survival (PFS) PFS will be estimated using Kaplan-Meier methodology. Approximate 95% confidence intervals (CIs) for median PFS will be computed using the Brookmeyer and Crowley method. From first dose to documented disease progression, or death from any cause, whichever occurs first, assessed at 2 years
Secondary Overall survival (OS) Duration of OS will be estimated using Kaplan-Meier methodology. Approximate 95% CIs for median OS will computed using the Brookmeyer and Crowley method. From first dose to death from any cause, assessed up to 3 years
Secondary Duration of response (DOR) DOR will be estimated using Kaplan-Meier method. Approximate 95% CIs for median DOR will be computed using the Brookmeyer and Crowley method. From the first tumor assessment supports the response to the time of confirmed disease progression or death due to any cause, whichever occurs first, assessed up to 3 years
Secondary Time to next anti-lymphoma treatment Time to next anti-lymphoma treatment is defined as the time from the end of induction visit up to and including the date of initiation of next treatment for any reason. This includes any chemotherapy, antibody therapy, oral therapy, and radiation therapy. Time to next anti-lymphoma treatment will be estimated using Kaplan-Meier methodology. Approximate 95% CIs for median time to next anti-lymphoma treatment will be computed using the Brookmeyer and Crowley method From the end of induction visit up to and including the date of initiation of next treatment for any reason, assessed up to 3 years
Secondary Quality of life (QOL) assessments QOL measures from the Functional Assessment of Cancer Therapy General questionnaire obtained during treatment will be compared to the baseline values obtained at the screening visit using paired t-tests, McNemar's tests, or their nonparametric equivalents, where appropriate. Up to 3 years
Secondary Patient-reported adverse events. Categorical Patient Reported Outcomes (PRO)-CTCAE variables will be summarized using frequencies and percentages, and numeric PRO-CTCAE variables will be summarized using mean, median, standard deviation, interquartile range (IQR), and range. Up to 3 years
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