Overview The Preemptive Analgesic Efficacy of Nefopam Status: Completed Trial end date: 2016-01-01 Target enrollment: Participant gender: Summary Nefopam is administered as a preemptive analgesic drug to the patient undergoing breast cancer surgery. It will be evaluated whether postoperative acute and chronic pain can be reduced. Phase: N/A Details Lead Sponsor: Seoul National University Bundang HospitalTreatments: Nefopam