In patients with relapsed or refractory diffuse DLBCL who have not achieved complete remission in the mid-term, the treatment with Glofit+GemOx regimen is used.
Efficacy and Safety of Glofitamab Combined with GemOx (Gemcitabine and Oxaliplatin) in the Treatment of Refractory Diffuse Large B-Cell Lymphoma.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
40
On Day 1 of Cycle 1 (7 days before the first administration of Glofitamab), a single intravenous dose of 1000 mg of Obinutuzumab was administered. Then, in Cycle 1 (Day 8: 2.5 mg; Day 15: 10 mg), Glofitamab was administered intravenously with gradually increasing doses, followed by a fixed dose of 30 mg of Glofitamab on Day 1 of Cycles 2 to 6. GemOx treatment (intravenous Gemcitabine 1000 mg/m² and Oxaliplatin 100 mg/m², administered on Day 2 of Cycle 1 and then on Day 1 of subsequent cycles) was given every 21 days per cycle.
On Day 1 of Cycle 1 (7 days before the first administration of Glofitamab), a single intravenous dose of 1000 mg of Obinutuzumab was administered. Then, in Cycle 1 (Day 8: 2.5 mg; Day 15: 10 mg), Glofitamab was administered intravenously with gradually increasing doses, followed by a fixed dose of 30 mg of Glofitamab on Day 1 of Cycles 2 to 6. GemOx treatment (intravenous Gemcitabine 1000 mg/m² and Oxaliplatin 100 mg/m², administered on Day 2 of Cycle 1 and then on Day 1 of subsequent cycles) was given every 21 days per cycle.
Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, beijing,
Beijing, China
Complete Response Rate
Refers to the proportion of patients whose all detectable target lesions (such as tumor lesions or affected tissues) have completely disappeared after treatment with Glofitamab combined with GemOx, and this state lasts for at least 4 weeks. This condition needs to be confirmed through imaging examinations (such as CT, MRI, or PET-CT) and assessed comprehensively in combination with ctDNA.
Time frame: From enrollment to the end of treatment at 8 weeks
ORR
The overall response rate (ORR) was defined as the cumulative proportion of patients attaining either a complete response (CR) or partial response (PR) .
Time frame: From enrollment to the end of treatment at 8 weeks
OS
OS was measured from Golfitamab combined with GemOx initiation to death or last follow-up
Time frame: From enrollment to the end of treatment at 8 weeks
PFS
PFS defined as the time from Glofitamab combined with GemOx initiation to first documented disease progression, relapse after Glofitamab combined with GemOx, death from any cause, or last follow-up.
Time frame: From enrollment to the end of treatment at 8 weeks
DoR
It refers to the period of time from when a patient first achieves disease remission (such as tumor shrinkage reaching a certain percentage or significant improvement in symptoms) after receiving treatment, until the disease progresses again, relapses, or related adverse events (such as death) occur.
Time frame: From enrollment to the end of treatment at 8 weeks
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On Day 1 of Cycle 1 (7 days before the first administration of Glofitamab), a single intravenous dose of 1000 mg of Obinutuzumab was administered. Then, in Cycle 1 (Day 8: 2.5 mg; Day 15: 10 mg), Glofitamab was administered intravenously with gradually increasing doses, followed by a fixed dose of 30 mg of Glofitamab on Day 1 of Cycles 2 to 6. GemOx treatment (intravenous Gemcitabine 1000 mg/m² and Oxaliplatin 100 mg/m², administered on Day 2 of Cycle 1 and then on Day 1 of subsequent cycles) was given every 21 days per cycle.
On Day 1 of Cycle 1 (7 days before the first administration of Glofitamab), a single intravenous dose of 1000 mg of Obinutuzumab was administered. Then, in Cycle 1 (Day 8: 2.5 mg; Day 15: 10 mg), Glofitamab was administered intravenously with gradually increasing doses, followed by a fixed dose of 30 mg of Glofitamab on Day 1 of Cycles 2 to 6. GemOx treatment (intravenous Gemcitabine 1000 mg/m² and Oxaliplatin 100 mg/m², administered on Day 2 of Cycle 1 and then on Day 1 of subsequent cycles) was given every 21 days per cycle.