The trial is taking place at:
T

Tampere University Hospital | Tampere Heart Hospital

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A Randomized, Multicenter, Phase III Trial Comparing Treatment With R-mini-CHOP With R-mini-CHP + Polatuzumab Vedotin in Patients With Diffuse Large Cell B Cell Lymphoma (POLAR BEAR)

N

Nordic Lymphoma Group

Status and phase

Enrolling
Phase 3

Conditions

DLBCL
Diffuse Large B Cell Lymphoma

Treatments

Drug: R-pola-mini-CHP
Drug: R-mini-CHOP

Study type

Interventional

Funder types

NETWORK
Industry

Identifiers

NCT04332822
NLG-LBC7 POLAR BEAR

Details and patient eligibility

About

This is a phase III, randomized, open-label, multicenter trial, conducted in Sweden, Norway, Finland, Denmark, Italy, Australia and New Zealand, in elderly patients with untreated diffuse large B-cell lymphoma. Elderly is defined as either ≥80 years of age, or ≥75 years and frail, according to a simplified Comprehensive Geriatric Assessment. Patients will be randomized 1:1 to either the standard treatment for this population, R-miniCHOP, or an experimental regimen, R-pola-miniCHP, where vincristine is substituted by an immunoconjugate, polatuzumab vedotin. The duration of the screening period is up to 4 weeks. The duration of active treatment is 18 weeks in both arms, and patients will be followed up to 36 months after end of treatment. Start of enrollment is planned in Q1 2020, and the last visit of the last patient included (end of trial) is estimated in Q1 2027.

Enrollment

300 estimated patients

Sex

All

Ages

75+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

* Age ≥80 years or frail ≥75 years, according to simplified comprehensive geriatric assessment * Histologically confirmed lymphoma belonging to one of the following subtypes: 1. diffuse large B-cell lymphoma, including transformation from an indolent lymphoma 2. follicular lymphoma grade 3B 3. T-cell/histiocyte-rich LBCL 4. primary cutaneous DLBCL, leg type 5. EBV-positive DLBCL, NOS 6. primary mediastinal LBCL 7. high grade B-cell lymphoma with MYC/BCL2 rearrangement * Stage II-IV disease * At least 1 measurable site of disease (\>1.5 cm long axis) * No previous treatment for lymphoma * WHO performance status 0 - 3 (Grade 3 if related to DLBCL) * Written informed consent

Exclusion criteria

* Severe cardiac disease: NYHA grade 3-4 * CNS involvement at diagnosis * Uncontrolled serious infection * Impaired liver (transaminases \> 3x normal upper limit or bilirubin \> 1.5 x normal upper limit, unless due to Gilbert´s syndrome) , renal (GFR\<30ml/min) or other organ function not caused by lymphoma, which will interfere with the treatment. * Absolute neutrophil count (ANC) \<1000 cells/µL or platelets \<100,000 cells/µL, unless due to lymphoma * Any other prior malignancy than non-melanoma skin cancer or stage 0 (in situ) cervical carcinoma, unless treated with curative intent, and without relapse since 2 years, or low grade prostate cancer, not in need of treatment * Psychiatric illness or condition which could interfere with their ability to understand the requirements of the study * Known hypersensitivity to rituximab, polatuzumab vedotin, cyclophosphamide, vincristine or doxorubicin, or HACA against rituximab * Peripheral neuropathy grade ≥ 2

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

300 participants in 2 patient groups

Arm A - R-mini-CHOP
Active Comparator group
Description:
Cycles 1-6, duration 21 days Rituximab 375 mg/m2 i.v., day 1, cycle 1. 1400 mg s c OR 375 mg/m2 i. v. cycles 2-6 Cyclophosphamide 400 mg/m2 i.v., day 1, cycles 1-6 Doxorubicin 25 mg/m2 i.v., day 1, cycles 1-6 Vincristine 1 mg i.v. (total dose), day 1, cycles 1-6 Prednisone, 40 mg/m2 p.o, days 1-5, , cycles 1-6
Treatment:
Drug: R-mini-CHOP
Arm B - R-pola-mini-CHP
Experimental group
Description:
Cycles 1-6, duration 21 days Rituximab 375 mg/m2 i.v., day 1, cycle 1. 1400 mg s c OR 375 mg/m2 i. v. cycles 2-6 Cyclophosphamide 400 mg/m2 i.v., day 1, cycles 1-6 Doxorubicin 25 mg/m2 i.v., day 1, cycles 1-6 Prednisone, 40 mg/m2 p.o, days 1-5, , cycles 1-6 Polatuzumab vedotin 1.8 mg/kg i.v day 1 cycles 1-6
Treatment:
Drug: R-pola-mini-CHP

Trial contacts and locations

70

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Central trial contact

Mats Jerkeman

Data sourced from clinicaltrials.gov

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