A Phase II Study Using Rituximab Plus Venetoclax in the Front Line Treatment of Marginal Zone Lymphoma

Running, not enrolling · Phase 2

Conditions studied: Marginal Zone Lymphoma

In brief

This study will help researchers understand how effective the combination of venetoclax and rituximab is in treating MZL in people who have not received a previous treatment for their cancer.

Key facts

Study ID

NCT04416451

Run by

Memorial Sloan Kettering Cancer Center

People needed

6

Starts

2021-05-04

Expected to finish

2027-06-01

Last updated by the study team

2026-07-06

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age greater than or equal to 18 years
• Histologically confirmed Marginal Zone Lymphoma
• Patients must have measurable disease as defined by at least one lymph node ≥1.5 cm or spleen >13 cm.
• °Patients with intestinal MALT lymphoma must have disease that is detectable by EGD or colonoscopy with biopsy
• Patients with gastric MALT lymphoma must be h. pylori negative
• °Patients who are h. pylori positive are allowed if they have failed a trial of h.pylori eradication
• Patients with gastric MALT lymphoma who are h. pylori negative or who have relapsed/refractory disease after h. pylori eradication must be ineligible for, have refused or failed gastric radiation therapy
• ECOG performance status ≤ 1
• Life expectancy of greater than 2 years
• Patients must have normal organ function as defined below:
• Platelet count ≥ 50,000 cells/mm\^3
• Hemoglobin ≥ 8.0 g/dL
• Absolute neutrophil count ≥ 1000 cells/mcL. If there is documented bone marrow involvement, ANC must be >/= 500 cells/mcL
• Total bilirubin < 1.5 x upper normal institutional limits. In patients with Gilbert's disease or documented liver involvement, total bilirubin up to 3x ULN will be allowed
• AST(SGOT)/ALT(SGPT) <3 x institutional upper limit of normal unless elevation is caused by liver involvement with MZL
• AST(SGOT)/ALT(SGPT) <3 x institutional upper limit of normal unless elevation is caused by liver involvement with MZL
• °OR Creatinine clearance >60 mL/min for patients with creatinine levels above institutional normal (by Cockcroft-Gault estimate or 12-24h creatinine clearance measurements).
• Ability to understand and the willingness to sign a written informed consent document.
• Able to swallow pills
• HIV-positive patients on combination antiretroviral therapy are eligible if their HIV is under adequate control with an antiretroviral regimen that has been stable for > 4 weeks, as long as the CD4 count is > 300. Appropriate studies will be undertaken in patients receiving combination antiretroviral therapy when indicated.
• Patients with Hepatitis B surface antibody serum positivity due to prior immunization, as well as those with Hepatitis B core antibody positivity with negative PCR on antiviral therapy will be eligible.

You may not qualify if…

• Patients who have had prior systemic therapy, including rituximab
• Patients who have had prior radiation therapy, with the following exception:
• °Palliative radiotherapy RT is allowed but must be completed at least 1 week prior to treatment on this study, and prior baseline imaging studies or biopsies. Patients must meet criteria for measurable/assessable disease as outlined above after completion of RT
• Prior treatment with ibrutinib or other BTK inhibitor
• Patients with h. pylori-associated gastric MALT or stage I/II MZL will be excluded unless they are deemed to be unfit for radiation therapy with curative intent.
• Patients with 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
• °Patients with Hep B core ab positivity are allowed provided Hep B PCR is undetectable
• Lactating or pregnant women
• Participants unwilling to adhere to institutional guidelines for highly effective contraception for 12 months after the last dose of rituximab
• Patients who received moderate or strong CYP3A inhibitors (such as fluconazole, ketoconazole, and clarithromycin) within 7 days prior to the first dose of venetoclax.
• Patients who received moderate or strong CYP3A inducers (such as rifampin, carbamazepine, phenytoin, St. John's Wort) within 7 days prior to the first dose of venetoclax.

Where it is running

• City of Hope Cancer Center (Data collection only) — Duarte, California, United States
• Memorial Sloan Kettering Basking Ridge (All Protocol Activities) — Basking Ridge, New Jersey, United States
• Memorial Sloan Kettering Monmouth (All protocol activities) — Middletown, New Jersey, United States
• Memorial Sloan Kettering Bergen (All protocol Activities) — Montvale, New Jersey, United States
• Memorial Sloan Kettering Commack (All Protocol Activities) — Commack, New York, United States
• Memorial Sloan Kettering Westchester (All Protocol Activities) — Harrison, New York, United States
• Memorial Sloan Kettering Cancer Center (All Protocol Activities) — New York, New York, United States
• Memorial Sloan Kettering Rockville Centre (All Protocol Activities) — Rockville Centre, New York, United States

Full record on ClinicalTrials.gov

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