Parsaclisib Plus the Standard Drug Therapy in Patients With Newly Diagnosed, High Risk Diffuse Large B-cell Lymphoma
Phase I/Ib Study of Parsaclisib (INCB50465), Rituximab, Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (PaR-CHOP) Immunochemotherapy for Patients With Newly Diagnosed High Risk Diffuse Large B-Cell Lymphoma
3 other identifiers
interventional
50
1 country
3
Brief Summary
This phase I/Ib trial studies the side effects and best dose of parsaclisib with or without polatuzumab-vedotin (Pola) plus the standard drug therapy (rituximab, cyclophosphamide, doxorubicin hydrochloride, vincristine sulfate, and prednisone \[PaR-CHOP\]) and to see how well they work compared with R-CHOP alone in treating patients with newly diagnosed, high risk diffuse large B-cell lymphoma. Parsaclisib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Rituximab is a monoclonal antibody that may interfere with the ability of cancer cells to grow and spread. Polatuzumab-vedotin is a monoclonal antibody, called polatuzumab, linked to a chemotherapy drug, called vedotin. Polatuzumab is a form of targeted therapy because it attaches to specific molecules (receptors) on the surface of cancer cells, known as anti-CD79b receptors, and delivers vedotin to kill them. Drugs used in chemotherapy, such as cyclophosphamide, doxorubicin hydrochloride, and vincristine sulfate, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Anti-inflammatory drugs, such as prednisone, lower the body's immune response and are used with other drugs in the treatment of some types of cancer. It is not yet known if giving parsaclisib and R-CHOP together works better than R-CHOP alone in treating patients with high risk diffuse large B-cell lymphoma.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Jun 2020
Longer than P75 for phase_1
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 25, 2020
CompletedFirst Posted
Study publicly available on registry
March 27, 2020
CompletedStudy Start
First participant enrolled
June 15, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 4, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
May 16, 2028
ExpectedFebruary 2, 2026
January 1, 2026
3.3 years
March 25, 2020
January 30, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
Maximum tolerated dose (MTD) of parsaclisib in combination with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) (Phase I)
The MTD will be defined as the dose level below the lowest dose that induces dose-limiting toxicity in in at least one-third of patients (at least 2 of a maximum of 6 patients).
Up to 21 days
Complete metabolic response (CMR) rate (Dose Expansion)
Will be measured by positron emission tomography (PET). A success is defined as an objective status of CMR by the PET-computed tomography (CT) based response criteria at the end of treatment. The proportion of successes will be estimated by the number of successes divided by the total number of evaluable patients. Exact binomial 95% confidence intervals for the true rate of complete metabolic response will be calculated.
Up to end of treatment (3-4 weeks after day 1 of cycle 6 [each cycle is 21 days])
Secondary Outcomes (12)
Incidence of adverse events (AEs) (Phase I)
Up to 2 years
Incidence of toxicity due to parsaclisib in combination with Pola-R-CHP (Pola Safety Lead-in)
Up to cycle 1 (21 days)
Objective response rate (Dose Expansion)
Up to end of treatment (3-4 weeks after day 1 of cycle 6 [each cycle is 21 days])
Duration of response (Dose Expansion)
Up to 2 years
Event-free survival (Dose Expansion)
Up to 5 years
- +7 more secondary outcomes
Study Arms (2)
Arm I (parsaclisib, R-CHOP)
EXPERIMENTALPatients receive parsaclisib PO QD on days 1-10 or 1-14, rituximab IV or biosimilar substitute, cyclophosphamide IV over 30 minutes, doxorubicin hydrochloride IV, and vincristine sulfate IV over 15 minutes on day 1. Patients also receive prednisone PO on days 1-5 and pegfilgrastim SC or biosimilar substitute on day 2. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity.
Arm II (parsaclisib, R-CHOP, polatuzumab vedotin)
ACTIVE COMPARATORPatients receive parsaclisib PO once daily QD on days 1-10 or 1-14, polatuzumab vedotin IV over 90 minutes, rituximab IV or biosimilar substitute, cyclophosphamide IV over 30 minutes, doxorubicin hydrochloride IV, and vincristine sulfate IV over 15 minutes on day 1. Patients also receive prednisone PO on days 1-5 and pegfilgrastim SC or biosimilar substitute on day 2. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity.
Interventions
Given PO
Given IV
Given IV
Given IV
Given IV
Given PO
Given SC
Given IV
Eligibility Criteria
You may qualify if:
- Age \>= 18 years
- Newly diagnosed, untreated, histologically confirmed diffuse large B-cell lymphoma expressing the CD20 antigen, with ANY of the following:
- Non-germinal center B-cell (GCB) subtype by Hans algorithm
- Myc expression \>= 40% by immunohistochemistry (IHC)
- Bcl-2 expression \>= 50% by IHC
- Myc expression \>= 40% AND Bcl-2 expression \>= 50% by IHC (double expressor)
- MYC rearrangement by fluorescence in situ hybridization (FISH)
- Or high-grade B-cell lymphoma with MYC rearrangement AND BCL2 and/or BCL6 rearrangement (double-hit or triple-hit lymphoma) but not a candidate for more aggressive chemotherapy (such as cyclophosphamide, Oncovin \[vincristine\], doxorubicin, \[CODOX\]-methotrexate \[M\]- ifosfamide, Vepesid \[etoposide\], Ara-C \[cytarabine\] \[IVAC\])
- NOTE: Patients with a new diagnosis of concurrent DLBCL and an indolent lymphoma (previously undiagnosed, such as follicular lymphoma or marginal zone lymphoma) are eligible. However, patients with a known prior diagnosis of indolent lymphoma with new transformation to DLBCL (i.e., transformed lymphoma) are not eligible
- Ann Arbor stages II (bulky disease, i.e., \>= 5 cm, or not a candidate for combined modality treatment with R-CHOP plus radiotherapy), III, or IV
- Measurable disease (at least 1 lesion of \>= 1.5 cm in one diameter) as detected by computed tomography (CT) or the CT images of PET/CT. Skins lesions can be used if the area is \>= 2 cm in at least one diameter and photographed with a ruler
- Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0, 1 or 2
- Absolute neutrophil count (ANC) \>= 1500/mm\^3 (obtained =\< 14 days prior to registration)
- Platelet count \>= 100,000/mm\^3 (obtained =\< 14 days prior to registration)
- Total bilirubin =\< 1.5 x upper limit of normal (ULN), or if total bilirubin is \> 1.5 x ULN, the direct bilirubin must be normal (obtained =\< 14 days prior to registration)
- +9 more criteria
You may not qualify if:
- Any of the following because this study involves an investigational agent whose genotoxic, mutagenic and teratogenic effects on the developing fetus and newborn are unknown:
- Pregnant persons
- Nursing persons (lactating persons are eligible provided that they agree not to breast feed while taking parsaclisib)
- Persons of childbearing potential who are unwilling to employ adequate contraception
- Primary central nervous system (CNS) lymphoma, or parenchymal, meningeal or cerebrospinal fluid involvement with malignant lymphoma cells
- Co-morbid systemic illnesses or other severe concurrent disease which, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and toxicity of the prescribed regimens
- Immunocompromised patients and patients known to be human immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy (except for patients on effective antiretroviral therapy with undetectable viral load within 6 months)
- NOTE: If evidence of chronic hepatitis B virus (HBV) infection, HBV viral load must be undetectable on suppressive therapy if indicated
- NOTE: If history of hepatitis C virus (HCV) infection, HCV viral load must be undetectable
- Uncontrolled intercurrent illness including, but not limited to:
- Ongoing or active infection
- Symptomatic congestive heart failure requiring use of ongoing maintenance therapy for life-threatening ventricular arrhythmias
- Unstable angina pectoris
- Cardiac arrhythmia
- Ongoing inflammatory bowel disease (such as ulcerative colitis) or other colitis requiring active treatment
- +9 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Mayo Cliniclead
Study Sites (3)
Mayo Clinic in Arizona
Scottsdale, Arizona, 85259, United States
Mayo Clinic in Florida
Jacksonville, Florida, 32224-9980, United States
Mayo Clinic in Rochester
Rochester, Minnesota, 55905, United States
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Yucai Wang, M.D., Ph.D.
Mayo Clinic in Rochester
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 25, 2020
First Posted
March 27, 2020
Study Start
June 15, 2020
Primary Completion
October 4, 2023
Study Completion (Estimated)
May 16, 2028
Last Updated
February 2, 2026
Record last verified: 2026-01