Dose escalation of second-line sunitinib results in rapid partial remission of multiple hepatic metastases
DOI:
https://doi.org/10.5489/cuaj.1190Abstract
A 58-year-old man with metastatic clear cell renal cell carcinomaon sunitinib therapy, who previously failed on sorafenib, was
found to have progression of multiple hepatic metastases; he was
on a standard sunitinib dose of 50 mg/day (4 weeks on, 2 weeks
off). Due to the unavailability of alternative therapies, a sunitinib
dose escalation of 50 mg/day was attempted. After one 6-week
cycle of continuously dosed sunitinib 50 mg, the hepatic lesions
regressed. After the second cycle, virtual disappearance of the
lesions was recorded. There was no added toxicity. These findings
suggest that sunitinib dose escalation to 50 mg/day using
continuous daily administration dosing might represent a valid,
effective and well-tolerated therapeutic option in patients who
progress on standard sunitinib therapy.
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