This is a prospective, observational, non-interventional real-world study that will not alter participants' routine clinical care. Approximately 20 eligible patients with diffuse large B-cell lymphoma (DLBCL) will be enrolled. Treatment decisions will be made by the treating physician based on standard clinical practice and may include glofitamab monotherapy or glofitamab-based combination regimens, such as glofitamab plus gemcitabine and oxaliplatin (Glofit-GemOx) or glofitamab plus polatuzumab-based therapy (Glofit-Pola). The study will collect baseline characteristics (including age, sex, medical history, and molecular subtype), treatment information, laboratory test results, adverse events, and survival follow-up data. Circulating tumor DNA (ctDNA) testing will be performed to assess minimal residual disease (MRD) in peripheral blood. When clinically indicated, cerebrospinal fluid samples may be collected to measure drug concentration. All personal information will be kept strictly confidential. Identifiable information will be removed and replaced with coded study numbers. Medical records will be maintained at the study site and accessed only by authorized research personnel. Representatives from the sponsor, ethics committee, or regulatory authorities may review study records as required. Study results will be published in aggregated form without including any information that could identify individual participants. Study data and personal information will be used solely for research purposes.
Study Type
OBSERVATIONAL
Enrollment
20
Henan cancer hospital
Zhengzhou, Henan, China
Overall Response Rate (ORR)
Overall response rate (ORR) is defined as the proportion of patients achieving complete response (CR) or partial response (PR) according to the Lugano criteria for lymphoma. The primary analysis will evaluate ORR at the end of treatment (EOT).
Time frame: Up to 6 months
Complete Response Rate (CR Rate)
Complete response (CR) rate is defined as the proportion of patients achieving complete response according to the Lugano criteria for lymphoma.
Time frame: Up to 6 months after enrollment
Disease Control Rate (DCR)
Disease control rate (DCR) is defined as the proportion of patients achieving complete response (CR), partial response (PR), or stable disease (SD) according to the Lugano criteria for lymphoma.
Time frame: Up to 6 months after enrollment
DoR
Duration of response (DoR) is defined as the time from the first documentation of complete response (CR) or partial response (PR) to disease progression, relapse, or death from any cause.
Time frame: Up to 24 months
Progression-Free Survival (PFS)
Progression-free survival (PFS) is defined as the time from initiation of glofitamab treatment to disease progression, relapse, or death from any cause.
Time frame: Up to 24 months
Overall Survival (OS)
Overall survival (OS) is defined as the time from initiation of glofitamab treatment to death from any cause.
Time frame: Up to 24 months
Incidence of Adverse Events
Safety will be evaluated by assessing the incidence and severity of adverse events (AEs), serious adverse events (SAEs), and grade ≥3 adverse events according to CTCAE version 5.0.
Time frame: From treatment initiation to 3 months after the last dose
Time to Next Treatment (TTNT)
Time to next treatment (TTNT) is defined as the time from initiation of glofitamab therapy to the start of the next line of anti-lymphoma treatment.
Time frame: Up to 24 months
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