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Closed (no longer recruiting)Last updated: 2 May 2024

POLARIX: This phase III trial is comparing the addition of an investigational drug (polatuzumab vedotin) to R-CHP and R-CHOP chemotherapy in patients with previously untreated diffuse large B-cell lymphoma (DLBCL)A Phase III, Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial Comparing the Efficacy and Safety of Polatuzumab Vedotin in Combination With Rituximab and CHP (R-CHP) Versus Rituximab and CHOP (R-CHOP) in Previously Untreated Patients With Diffuse Large B-Cell Lymphoma

Clinical summary

Summary

Participants will be randomised into one of two treatment arms. In the experimental arm, participants will receive R-CHP plus Vincristine placebo and Polatuzumab Vedotin. In the comparator arm, participants will receive R-CHOP plus Polatuzumab Vedotin placebo. All drugs will be administered as per the schedule specified in the respective arm.

Conditions

This trial is treating patients with Diffuse Large B-Cell Lymphoma (DLBCL)

Cancer

Blood Cancers Haematological

Age

People18 - 80

Phase

III

Trial Acronym

POLARIX

More information

Trial Identifiers

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Trial sponsor

Hoffmann-La Roche

Scientific Title

A Phase III, Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial Comparing the Efficacy and Safety of Polatuzumab Vedotin in Combination With Rituximab and CHP (R-CHP) Versus Rituximab and CHOP (R-CHOP) in Previously Untreated Patients With Diffuse Large B-Cell Lymphoma

Eligibility

Inclusion

  • Previously untreated participants with cluster of differentiation 20 (CD20)-positive DLBCL, including one of the following diagnoses by 2016 World Health Organization (WHO) classification of lymphoid neoplasms: DLBCL, not otherwise specified (NOS) including germinal center B-cell type, activated B-cell type; T-cell/histiocyte-rich large B-cell lymphoma; Epstein-Barr virus-positive DLBCL, NOS; anaplastic lymphoma kinase (ALK)-positive large B-cell lymphoma; human herpesvirus-8 (HHV8)-positive DLBCL, NOS; High-grade B-cell lymphoma with MYC and B-cell lymphoma 2 (BCL2) and/or B-cell lymphoma 6 (BCL6) rearrangements (double-hit or triple-hit lymphoma); High-grade B-cell lymphoma, NOS
  • Availability of archival or freshly collected tumor tissue before study enrolment
  • International Prognostic Index (IPI) score of 2-5
  • Eastern Cooperative Oncology Group (ECOG) Performance Status of 0, 1, or 2
  • Life expectancy greater than or equal to (>/=)12 months
  • Left ventricular ejection fraction (LVEF) >/= 50 percent (%) on cardiac multiple-gated acquisition (MUGA) scan or cardiac echocardiogram (ECHO)
  • Adequate hematologic function
  • Female participants: Agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods and refrain from donating eggs.
  • Male participants: agreement to remain abstinent (refrain from heterosexual intercourse) or use a condom and agreement to refrain from donating sperm.

Exclusion

  • History of severe allergic or anaphylactic reactions to humanized or murine monoclonal antibodies or known sensitivity or allergy to murine products
  • Contraindication to any of the individual components of CHOP, including prior receipt of anthracyclines
  • Prior organ transplantation
  • Current Grade greater than (>) 1 peripheral neuropathy by clinical examination
  • Demyelinating form of Charcot-Marie-Tooth disease
  • History of indolent lymphoma
  • History of follicular lymphoma grade 3B
  • B-cell lymphoma, unclassifiable, with features intermediate between DLBCL and classical Hodgkin lymphoma (grey-zone lymphoma)
  • Primary mediastinal (thymic) large B-cell lymphoma
  • Burkitt lymphoma
  • Prior treatment with cytotoxic drugs within 5 years of screening for any condition (example [e.g.], cancer, rheumatoid arthritis) or prior use of any anti-CD20 antibody
  • Prior use of any monoclonal antibody within 3 months of the start of Cycle 1
  • Prior therapy for DLBCL, with the exception of nodal biopsy
  • Corticosteroid use >30 mg/day of prednisone or equivalent, for purposes other than lymphoma symptom control
  • Participants with central nervous system (CNS) lymphoma (primary or secondary involvement), primary effusion DLBCL, and primary cutaneous DLBCL
  • Vaccination with live vaccines within 28 days prior to the start of Cycle 1
  • Any investigational therapy within 28 days prior to the start of Cycle 1
  • History of other malignancy that could affect compliance with the protocol or interpretation of results
  • Evidence of significant, uncontrolled, concomitant diseases that could affect compliance with the protocol or interpretation of results, including significant cardiovascular disease or pulmonary disease
  • Recent major surgery (within 4 weeks prior to the start of Cycle 1), other than for diagnosis
  • History or presence of an abnormal electrocardiogram (ECG) that is clinically significant in the investigator's opinion, including complete left bundle branch block, second- or third-degree heart block, or evidence of prior myocardial infarction
  • Known active bacterial, viral, fungal, mycobacterial, parasitic, or other infection (excluding fungal infections of nail beds) at study enrollment or significant infections within 2 weeks before the start of Cycle 1
  • Clinically significant liver disease, including active viral or other hepatitis, current alcohol abuse, or cirrhosis
  • Prior radiotherapy to the mediastinal/pericardial region
  • Participants with suspected active or latent tuberculosis
  • Positive test results for chronic hepatitis B and hepatitis C infection
  • Known history of human immunodeficiency virus (HIV) seropositive status
  • Positive results for the human T-lymphotrophic 1 virus (HTLV-1)
  • Participants with a history of progressive multifocal leukoencephalopathy

Inclusion

  • You have been diagnosed with cancer, but have not received any treatment.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
  • You have previously been treated (or are currently being treated) on a clinical trial.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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