Abstract:Objective To explore the effectiveness of free-examination system for clinical trial subjects in hospital clinical trials. Methods Based on the hospital information system, a free-examination system for clinical trial subjects was designed and implemented, and the effects were compared before and after the application of the system. Results After the application of the free-examination system for clinical trial subjects, the number of protocol violations related to examinations and the average time of financial settlement reduced, so the work efficiency and satisfaction of all parties involved in clinical trials were improved compared with those before application. Conclusion For the participants in this clinical trial, the free-examination system is easy to operate and can improve management level and work efficiency of the clinical trial.