Abstract:
:Controlling adverse events (AEs) through dose reduction can enhance drug adherence and treatment response. Currently, there is no guide for sorafenib dosing. The aim of this study was to evaluate whether sorafenib dosing could affect treatment outcomes. A total of 782 hepatocellular carcinoma (HCC) patients treated with sorafenib were evaluated for sorafenib dosing and its modifications via medical records at baseline and regular follow-up. Study outcomes included progression-free survival (PFS), overall survival (OS), sorafenib duration, cumulative dose, AEs and drug discontinuation. The median patient survival was 7.7 months. Overall, 242 (30.9%) patients underwent dose reduction and 121 (17.5%) discontinued sorafenib due to AEs. In multivariate analysis, dose reduction was identified to be independently predictive of PFS and OS. The 800-to-400 mg/day group provided significantly better PFS than the 800 mg/day-maintained group or the 800-to-600 mg/day group. Likewise, the 800-to-400 mg/day group resulted in a significantly better OS than other dosing. However, dose reduction to 200 mg/day led to significantly worse PFS and OS. Hand-foot skin reaction and drug discontinuation due to AEs were higher in the 800-to-600 mg/day group than the 800-to-400 mg/day group. The 800-to-400 mg/day group had significantly longer treatment duration and higher cumulative dose than the 800 mg/day-maintained group. Sorafenib dose reduction can improve HCC survival and increase patient tolerance and adherence coupled with longer duration and higher cumulative dose. Dose reduction from 800 to 400 mg/day than to 600 mg/day is recommended when clinically warranted. However, dose reduction to 200 mg/day is not recommendable.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Tak KY,Nam HC,Choi JY,Yoon SK,Kim CW,Kim HY,Lee SW,Lee HL,Chang UI,Song DS,Yang JM,Kwon JH,Yoo SH,Sung PS,Choi SW,Song MJ,Kim SH,Jang JWdoi
10.1002/ijc.32964subject
Has Abstractpub_date
2020-10-01 00:00:00pages
1970-1978issue
7eissn
0020-7136issn
1097-0215journal_volume
147pub_type
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