34
Participants
Start Date
June 17, 2017
Primary Completion Date
July 4, 2018
Study Completion Date
August 4, 2018
Naoan dripping pills
"Patients will take 20 pills(1000mg) after meal twice a day for 12 weeks, Fenbid can be taken if headache is unbearable, but make sure the records(including attack time, drug dosage, pain intensity and duration) are written down as detailed as possible.~Procedure: MRI scanning (fMRI and DTI)"
Placebo
"Patients will take 20 pills(1000mg) after meal twice a day for 12 weeks, Fenbid can be taken if headache is unbearable, but make sure the records(including attack time, drug dosage, pain intensity and duration) are written down as detailed as possible.~Procedure: MRI scanning (fMRI and DTI)"
Dongzhimen Hospital, Beijing
Zhejiang Liaoyuan Pharmaceutical Co., Ltd.
OTHER
Dongzhimen Hospital, Beijing
OTHER