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A multicenter, phase 2 randomized, open label study to evaluate the efficacy and security of zanubrutinib in combination with obinutuzumab in previously untreated patients with Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Lymphoma (SLL) (GELLC-10-ZANUBIO)

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504647-14-00
Acronym
GELLC-10-ZANUBIO
Enrollment
106
Registered
2024-07-29
Start date
2024-09-02
Completion date
Unknown
Last updated
2024-07-29

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

Conditions

Chronic Lymphocytic Leukemia (CLL) or Small Lymphocytic Lymphoma (SLL)

Brief summary

The primary endpoint of the study is the complete response rate (CRR) with undetectable minimal residual disease (uMRD).

Detailed description

Overall response rate (ORR), including partial response with lymphocytosis., Progression-free survival (PFS), defined as the time from randomization until symptomatic disease progression (as defined by the updated iwCLL-guidelines) or death by any cause, whichever occurs first., Overall survival (OS), defined as the time between the day of randomization to death from any cause., Immunological recovery, Safety: type, frequency, and severity of adverse events (AEs) and relationship of AEs to zanubrutinib or the combination of zanubrutinib and obinutuzumab, including the assessment of tumour lysis syndrome., Potential predictive biomarkers of response to zanubrutinib and obinutuzumab and mechanisms of resistance in patients diagnosed with CLL [Visits: Baseline, cycle 20, and at progression].

Interventions

DRUGGazyvaro 1
DRUG000 mg concentrate for solution for infusion.
DRUGZanubrutinib

Sponsors

Pethema Fundacion
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
The primary endpoint of the study is the complete response rate (CRR) with undetectable minimal residual disease (uMRD).

Secondary

MeasureTime frame
Overall response rate (ORR), including partial response with lymphocytosis., Progression-free survival (PFS), defined as the time from randomization until symptomatic disease progression (as defined by the updated iwCLL-guidelines) or death by any cause, whichever occurs first., Overall survival (OS), defined as the time between the day of randomization to death from any cause., Immunological recovery, Safety: type, frequency, and severity of adverse events (AEs) and relationship of AEs to zanubrutinib or the combination of zanubrutinib and obinutuzumab, including the assessment of tumour lysis syndrome., Potential predictive biomarkers of response to zanubrutinib and obinutuzumab and mechanisms of resistance in patients diagnosed with CLL [Visits: Baseline, cycle 20, and at progression].

Countries

Spain

Outcome results

None listed

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