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Extraction of Adverse Effect relation by using natural language processing

Post Marketing Surveillance (PMS) is required for approved drugs that have undergone clinical trials. Pharmaceutical companies mainly conduct surveillance, while doctors administer drugs and report the condition of patients. PMS imposes a tremendous cost on pharmaceutical companies. It also imposes a heavy burden on doctors who are busy attending on patients, as details of ADRs need to be described by relying on a doctor's memory or referring to clinical records.

In view of this background and to support the survey of ADRs, we have developed a system to collect ADRE data from discharge summaries in Japanese created in a hospital.

Tomoko Ohkuma Communication Technology Laboratory,
Research & Technology Group
Yasuhide Miura Communication Technology Laboratory,
Research & Technology Group
Masatsugu Tonoike Communication Technology Laboratory,
Research & Technology Group
Daigo Sugihara Communication Technology Laboratory,
Research & Technology Group
Hiroshi Masuichi Communication Technology Laboratory,
Research & Technology Group

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