Efficacy and safety of low-dose high intensity focused ultrasound combined with S-1 and oxaliplatin in metastatic colorectal patients with pelvic masses
Abstract
OBJECTIVE: To evaluate the efficacy and safety of the regimen of low-dose high intensity focused ultra-sound (HIFU) plus S-1 and oxaliplatin (SOX) in the treatment of metastatic colorectal cancer patients with pelvic masses.
METHODS: A total of 46 patients with metastatic colorectal cancer were recruited and divided into 2 groups: Twenty patients received concurrent HIFU plus S-1 and oxaliplatin (SOX) while another 26 patients SOX alone. The baseline characteristics, progressive-free survival, overall survival time and adverse events were retrospectively analyzed.
RESULTS: The median PFS was 11.2 months (95% CI 9.8-12.7) in the HIFU+SOX group and 7.1 months (95% CI 5.8-8.4) in the SOX group (P = 0.003). And the overall survival time in two groups were 21.9 months (95% CI 18.0-25.9) and 16.9 months (95%CI 14.1-19.6) (P = 0.072) respectively. Major toxic effects included grade 3/4 neutropenia (15%), anemia (10%), thrombocytopenia (10%), diarrhea (15%) and hand-foot syndrome (10%) in the HIFU+SOX group. And it showed no statistically significant differences with the SOX group.
CONCLUSION: The combined regimen of HIFU and SOX is effective and well-tolerated in patients of late-stage colorectal cancer with pelvic masses.
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 46 participants or records.
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