About this trial
This anchored matching-adjusted indirect comparison (MAIC) evaluates the relative efficacy of fruquintinib-paclitaxel (using IPD from the FRUTIGA trial, n=703) versus ramucirumab-paclitaxel (using published AgD from RAINBOW-Asia, n=440) in advanced gastric/GEJ adenocarcinoma. Baseline characteristics are adjusted via entropy balancing weights. Primary endpoint is progression-free survival (PFS) analyzed by Bucher method; secondary endpoints include overall survival (OS) and objective response rate (ORR). Sensitivity analyses comprise restricted mean survival time (RMST) analysis and simulated treatment comparison (STC).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Histologically confirmed gastric/GEJ adenocarcinoma
Advanced or metastatic disease
ECOG 0-1
Received either fruquintinib + paclitaxel or reference regimen
Disqualifiers
Missing key outcome data
Incomplete baseline characteristics for >2 matching variables
Prior fruquintinib exposure (control arm only)
Trial population
This retrospective MAIC analysis employs individual patient data (IPD) from the FRUTIGA trial (fruquintinib arm) and published aggregate data (AgD) from RAINBOW-Asia (ramucirumab arm), with placebo as the common anchor.
Trial design
Other
Retrospective
Treatments tested in this trial
Fruquintinib+Paclitaxel
Drug(using IPD from the FRUTIGA trial, n=703) Fruquintinib:subjects received Fruquintinib orally, once daily for 3 wks on/ 1 wk off Paclitaxel:Paclitaxel 80mg/㎡ at day 1,8,15 of 4-week cycle.
Ramucirumab+Paclitaxel
Drug(using published AgD from RAINBOW-Asia, n=440) Ramucirumab:8 milligrams/kilogram (mg/kg) intravenous (IV) infusion on Days 1 and 15 of every 4-week cycle Paclitaxel :Paclitaxel 80mg/㎡ at day 1,8,15 of 4-week cycle.
Treatment groups
Trial outcomes
Primary outcomes
Progression-Free Survival (PFS)
Time from randomization to progression/death, assessed via weighted Cox model
Secondary outcomes
Objective Response Rate (ORR)
CR+PR per RECIST 1.1, compared via weighted logistic regression
Disease Control Rate (DCR)
CR+PR+SD≥6 weeks, analyzed via weighted proportions
Overall Survival (OS)
Time from randomization to death, analyzed using weighted Kaplan-Meier
PFS by ECOG, metastasis burden, primary site, etc
To examine the associations between subgroup factors (including ECOG, metastasis burden, primary site, etc) and Progression-Free Survival (PFS).
Other outcomes
Sensitivity Analyses:Progression-Free Survival (PFS)
Simulated Treatment Comparison (STC), Bootstrap confidence intervals (100 iterations)
Locations
Sponsors and contacts
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