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Efficacy and Safety of Polatuzumab Vedotin in Combination With Zanubrutinib, Rituximab, Cyclophosphamide, Doxorubicin, and Prednisone in Patients With Previously Untreated Diffuse Large B-Cell Lymphoma of the MCD/BN2/N1 Subtypes

NCT07608978 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 35

Last updated 2026-05-27

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 Efficacy and Safety of Polatuzumab Vedotin in Combination With Zanubrutinib, Rituximab, Cyclophosphamide, Doxorubicin, and Prednisone in Patients With Previously Untreated Diffuse Large B-Cell Lymphoma of the MCD/BN2/N1 Subtypes.

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

  • Diffuse Large B-Cell Lymphoma (DLBCL)

Interventions

DRUG

POLA-R-CHP+Zanubrutinib

Previously untreated DLBCL patients harboring MCD/BN2/N1 subtypes were treated with Pola-ZRCHP (Polatuzumab Vedotin in Combination With Zanubrutinib, Rituximab, Cyclophosphamide, Doxorubicin, and Prednisone，6 cycles, 21-day cycles), with Rituximab administered for 8 cycles. The regimen consisted of Polatuzumab vedotin (1.8 mg/kg IV, D1), Zanubrutinib (160 mg PO BID), and standard CHP (C 750 mg/m², H 50 mg/m² IV D1; P 100 mg PO D1-5). Following induction, patients achieving ≥Stable Disease (SD) per PET-CT entered the maintenance phase with Zanubrutinib (160 mg PO BID) and Tislelizumab (200 mg IV Q3W, up to 1 year), continuing until progression or unacceptable toxicity. Non-responders (\<SD) discontinued.

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
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-06-01
Primary Completion
2028-12-31
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 NCT07608978 on ClinicalTrials.gov