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Phase 3, interventional, multicentre, open label, randomized study comparing rituximab plus zanubrutinib to rituximab monotherapy in previously untreated, symptomatic splenic marginal zone lymphoma (RITZ)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-503755-10-00
Acronym
IELSG48
Enrollment
90
Registered
2024-04-24
Start date
2024-05-17
Completion date
Unknown
Last updated
2026-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Splenic marginal zone lymphoma

Brief summary

Investigator-assessed PFS rate at 3 years according to the Lugano 2014 criteria

Detailed description

Investigator-assessed complete remission rates achieved at 12 and 24 months of treatment, assessed according to the Lugano 2014 criteria., Investigator-assessed best response achieved at any time during the treatment period (24 months) assessed according to the Lugano 2014 criteria, Investigator-assessed complete remission rates achieved at 12 and 24 months of treatment, assessed according to the Matutes criteria, Investigator-assessed best response achieved at any time during the treatment period (24 months) assessed according to the Matutes criteria, Investigator-assessed Time to next anti-lymphoma treatment (TTNT) according to the Lugano 2014 criteria, Investigator-assessed duration of response according to the Lugano 2014 criteria, Overall Survival according to the Lugano 2014 criteria, Analysis of type and severity of adverse events (AEs) according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0

Interventions

DRUGZanubrutinib
DRUGTruxima 500 mg concentrate for solution for infusion

Sponsors

Association International Extranodal Lymphoma Study Group
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Investigator-assessed PFS rate at 3 years according to the Lugano 2014 criteria

Secondary

MeasureTime frame
Investigator-assessed complete remission rates achieved at 12 and 24 months of treatment, assessed according to the Lugano 2014 criteria., Investigator-assessed best response achieved at any time during the treatment period (24 months) assessed according to the Lugano 2014 criteria, Investigator-assessed complete remission rates achieved at 12 and 24 months of treatment, assessed according to the Matutes criteria, Investigator-assessed best response achieved at any time during the treatment period (24 months) assessed according to the Matutes criteria, Investigator-assessed Time to next anti-lymphoma treatment (TTNT) according to the Lugano 2014 criteria, Investigator-assessed duration of response according to the Lugano 2014 criteria, Overall Survival according to the Lugano 2014 criteria, Analysis of type and severity of adverse events (AEs) according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0

Countries

Austria, Denmark, France, Italy, Norway, Spain, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026