About this trial
This is a prospective, single-arm, multi-center, phase II clinical study to evaluate the efficacy and safety of Trilaciclib in DLBCL patients treated with R-CHOP.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Having sufficient understanding of this study and being willing to sign the informed consent form (ICF);
Age above 18 years old (including 18 years old),regardless of gender;
Treatment-naive, histologically confirmed DLBCL, at least one tumor lesion that could be measured accurately at baseline according to RECIST1.1 criteria;
IPI score 0-2;
Disqualifiers
The subject is participating in other interventional clinical studies;
The subject has previous or concurrent other malignancies;
Lymphoma bone marrow invasion;
The presence of symptomatic brain metastases requiring immediate radiotherapy or steroid therapy;
Trial design
Single group
Treatments tested in this trial
Trilaciclib+R-CHOP
DrugThis is a prospective, single-arm, multi-center, phase II clinical study to evaluate the efficacy and safety of Trilaciclib in DLBCL patients treated with R-CHOP.
Treatment groups
Trial outcomes
Primary outcomes
Occurrence of Grade 3/4 neutropenia
Proportion of subjects with at least one absolute neutrophil count (ANC) \< 1.0 × 10\^9/L enrolled and treated with at least one dose of trilaciclib
Secondary outcomes
ORR
Objective Response Rate (ORR) is defined as the percentage of participants achieving complete response (CR) and partial response (PR) for tumor volume reduction and maintaining the minimum duration requirement based on RECIST v1.1
2y-PFS
Progression-free survival (PFS per RECIST 1.1) is defined as the time until the first imaging disease progression or death (whichever occurs first)
2y-OS
Overall survival (OS) is defined as the time until the subject's death due to any reason
Neutrophil-related myeloprotection efficacy
Occurrence of febrile neutropenia adverse events(AEs)
Other outcomes
Exploratory analysis of potential biomarkers related with the outcome
The change from baseline in immune cell levels in peripheral blood after treatment includes, but is not limited to: T cells (CD3, CD4, and CD8) B cells (CD19) Effector T cells (IFN-γ-producing CD4+ T cells, IL-2-producing CD4+ T cells, IL-17-producing CD4+ T cells, IFN-γ-producing CD8+ T cells, IL-2-producing CD8+ T cells) T cell activation markers (HLA-DR+ CD4+ T cells, HLA-DR+ CD8+ T cells) Regulatory T cells (Treg cells) (FoxP3, CD25, and CD127) Proportion of cells in the S phase
Exploratory analysis of potential biomarkers related with the outcome
Tumor Biomarkers: Including but not limited to the relationship between the CDK4/6-Cyclin D-RB pathway and antitumor efficacy, the relationship between PD-L1, Ki67, and antitumor efficacy
Sponsors and contacts
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