Abstract
341 Background: There has been no nationwide survey on CINV or validation of the guideline in Japan. The aim of the study is to investigate occurrence of CINV in hepatobiliary and pancreatic (HBP) cancer patients who are to receive chemotherapy including high and moderate emetic risk for the first time. In addition, primary care medical staffs' perception on CINV for their patients is also studied. Methods: A nationwide survey on CINV was conducted by the CINV study group of Japan. 21 institutions participated in the study. A 7-day diary for CINV was provided to the patient prior to chemotherapy to record daily occurrence and severity of CINV and an amount of food intake. Acute and delayed CINV was defined as nausea and vomiting which developed within or after 24 hours after the start of chemotherapy, respectively. The medical staffs also filled out questionnaires about their patient’s CINV. Results: A total 103 HBP cancer patients of 1,952 patients registered in this study during the period from April 2011 to December 2012 were analyzed. These patients’ diary and their medical staffs' report were sent to the central office. Underlying diseases were biliary tract cancer (70 patients), hepatocellular carcinoma (23) and pancreatic cancer (10). There were 62 males with a median age of 69 (range: 37-83) and 41 females with a median age of 63 (range: 41-80). MEC was given to 4 as was HEC to 99 patients. Acute nausea was experienced in 6 (5.8%), while was noted delayed nausea in 25 (24.3%). Acute vomiting was noted in 2 (1.9%) patients, while delayed vomiting was experienced in 6 (5.8%). The predictive factors for delayed nausea were female and motion sickness. The predictive factor for delayed vomiting was morning sickness. Medical staffs overestimated the incidence of acute and delayed nausea/vomiting. Conclusions: CINV seems to be under control with management by the guideline, but delayed nausea remained to be high and needs further investigation.
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