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Efficacy and Safety of Zanubrutinib, Rituximab, and Lenalidomide (ZR²) in Combination With Tislelizumab for Relapsed/Refractory Follicular Lymphoma

NCT07418190 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 33

Last updated 2026-02-18

No results posted yet for this study

Summary

This is a prospective, open-label, single-arm, single-center, Phase II clinical study designed to evaluate the efficacy and safety of zanubrutinib, rituximab, and lenalidomide (ZR²) in combination with tislelizumab in patients with relapsed/refractory follicular lymphoma who have relapsed or are refractory after ≥1 prior systemic therapy.

After successful screening, enrolled patients will receive 6 treatment cycles (21 days per cycle). Disease response will be assessed by CT/PET-CT during treatment and after completion of induction. Patients who achieve CR/PR/SD will proceed to the maintenance phase; patients who do not achieve at least SD (i.e., fail to reach CR/PR/SD) during induction will discontinue the study. Patients with CR/PR/SD after induction will receive maintenance therapy with zanubrutinib plus tislelizumab until disease progression, unacceptable toxicity, or completion of 1 year of maintenance.

Efficacy and safety assessments will be performed per protocol. Tumor response will be assessed by site investigators according to the 2014 Lugano criteria, including determination of response status, date of response, and date of progression/relapse.

Conditions

  • Relapsed/Refractory Follicular Lymphoma

Interventions

DRUG

tislelizumab + zanubrutinib + rituximab + lenalidomide

Patients with FL will receive a PD-1 + ZR² regimen (tislelizumab + zanubrutinib + rituximab + lenalidomide) for 6 cycles (3 weeks per cycle). Induction Phase (Cycles 1-6; 21 days per cycle) Zanubrutinib (Z): 160 mg orally twice daily (BID). Rituximab (R): 375 mg administered intravenously on Day 1 of cycles 1-6; additionally administered on Day 1 of cycles 2-8/12 per protocol (21-day cycles). Lenalidomide: 20 mg orally once daily on cycles 1-6. Tislelizumab: 200 mg intravenous infusion on Day 1 every 3 weeks. After 6 cycles of the four-drug combination, response will be assessed by CT/PET-CT. Patients achieving CR/PR/SD will proceed to maintenance; those not achieving at least SD will discontinue the study. Maintenance Phase Patients achieving CR/PR/SD during induction will receive: Zanubrutinib: 160 mg orally BID; and Tislelizumab: 200 mg IV on Day 1 every 3 weeks until disease progression, unacceptable toxicity, or completion of 1 year of maintenance.

Sponsors & Collaborators

  • The First Affiliated Hospital with Nanjing Medical University

    lead OTHER

Principal Investigators

  • Wei Xu, PhD · Hematological Department, Jiangsu Province Hospital

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-02-01
Primary Completion
2027-12-31
Completion
2029-12-31

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07418190 on ClinicalTrials.gov