This prospective observational study aims to evaluate the efficacy and safety of immune checkpoint inhibitors as first-line and neoadjuvant therapy for advanced gastric cancer, while also investigating relevant biomarkers to better understand their role in immunotherapy outcomes
Study Type
OBSERVATIONAL
Enrollment
500
This intervention involves the administration of immune checkpoint inhibitors (ICIs) in combination with standard chemotherapy.
This intervention involves the administration of standard chemotherapy alone.
Qilu Hospital of Shandong University
Jinan, Shandong, China
RECRUITINGOverall survival (OS)
The time from the starting date of study drug to death
Time frame: 12 months after the last subject participating in
Disease Control Rate (DCR) as assessed by RECIST1.1
The proportion of subjects with complete response (CR) and partial response (PR) and stable disease(SD)in total subjects.
Time frame: 6 months after the last subject participating in
Duration of response (DOR) as assessed by RECIST1.1
The time from the date for first documented response of complete response (CR) or partial response (PR) to the date of first documented of disease progression or death, whichever occurs first.
Time frame: 12 months after the last subject participating in
Number of participants with treatment-related adverse events as assessed by CTCAE5.0
Incidence and severity of adverse effects associated with the treatments, categorized by type and grade according to the Common Terminology Criteria for Adverse Events (CTCAE v5.0).
Time frame: 12 months after the last subject participating in
Progression-free survival (PFS) as assessed by RECIST1.1
The time from the starting date of study drug to the date of first documentation of disease progression or death, whichever occurs first
Time frame: 12 months after the last subject participating in
Objective remission rate (ORR) as assessed by RECIST1.1
The proportion of subjects with complete response (CR) and partial response (PR) in total subjects
Time frame: 3 months after the last subject participating in
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Disease-free survival (DFS) as assessed by RECIST1.1
The period from treatment until the occurrence of disease recurrence, progression, or death.
Time frame: 36 months after the last subject participating in
Major pathological response (MPR)
he percentage of residual viable tumor cells in the resected specimen that is ≤10% after neoadjuvant therapy.
Time frame: 3 months after the last subject participating in