About this trial
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.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥18 years at the time of treatment initiation.
Histologically or pathologically confirmed diffuse large B-cell lymphoma (DLBCL).
Patients who plan to initiate a glofitamab-containing treatment regimen (either monotherapy or combination therapy) within 12 months after study initiation.
Willing and able to comply with study follow-up and data collection requirements.
Disqualifiers
Currently participating in, or planning to participate in, any interventional clinical trial.
Any condition that, in the investigator's judgment, would make the patient unsuitable for participation in this study (e.g., inability to complete follow-up, safety concerns, or significant comorbidities).
Trial population
The study population will include adult patients (≥18 years) with histologically confirmed diffuse large B-cell lymphoma (DLBCL) who have primary refractory disease or early relapse after first-line therapy. Eligible patients are those who plan to initiate a glofitamab-containing treatment regimen (either as monotherapy or in combination with other agents) in routine clinical practice. Patients will be enrolled from participating centers and followed prospectively to evaluate treatment outcomes and safety in a real-world setting.
Trial design
Cohort
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
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).
Secondary outcomes
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.
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.
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.
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.
Other outcomes
ctDNA-based Minimal Residual Disease (MRD)
Minimal residual disease (MRD) will be evaluated using circulating tumor DNA (ctDNA) at baseline, before cycle 3, and at the end of treatment.
Sponsors and contacts
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