No surprises yet.
Just presenting what we know, however he does confirm the liver as the major cause of death. Never really in any doubt, just the metric of, 90% that was detailed many years ago.
"We found that while liver tumours began to grow again after a median of 12.6 months in patients with mCRC who received only first-line chemotherapy, those who also received first-line treatment with SIR-Spheres Y-90 resin microspheres had their liver tumours controlled for a median of 20.5 months. The additional 7.9 months of treatment benefit with the combined first-line SIRFLOX regimen was statistically significant, with a p-value of 0.002 and a hazard ratio of 0.69. This translates to a 31 percent reduction in the risk of tumour progression in the liver for patients treated with Y-90 resin microspheres," Prof. Gibbs said.
"This finding matters a great deal," he explained, "because the liver is almost invariably the organ where colorectal cancer spreads to first. While half the patients initially diagnosed with colorectal cancer survive thanks to surgical removal of the primary tumour before the disease has spread elsewhere in the body, liver metastases eventually cause the death of the majority of the remaining hundreds of thousands of patients each year whose tumours spread but are inoperable."
Prof. Gibbs also told the ASCO audience that liver treatment response rates were significantly higher in patients who received Y-90 resin microspheres in combination with first-line chemotherapy, which consisted of a FOLFOX-based regimen, with or without the addition of bevacizumab. "We observed a hepatic response rate of 78.7 percent in this group, compared to 68.8 percent in the chemotherapy-only group. This was statistically significant, with a p-value of 0.042. Moreover, the rate of complete responses in the liver of SIRFLOX patients who received SIR-Spheres Y-90 resin microspheres, though relatively small at 6.0 percent, was more than three times higher than the 1.9 percent complete response rate among the chemotherapy-only patients. The statistical significance of this finding...
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