期刊
CONTEMPORARY CLINICAL TRIALS COMMUNICATIONS
卷 24, 期 -, 页码 -出版社
ELSEVIER INC
DOI: 10.1016/j.conctc.2021.100817
关键词
Parkinson's disease; Freezing of gait; Detection of freezing of gait; On-demand cueing; Home environment
The study aims to investigate the effectiveness of DeFOG, a personalized on-demand cueing solution for freezing of gait in patients with Parkinson's disease. Using a randomized controlled design, it is expected that DeFOG will significantly reduce freezing of gait more than the control group.
Background: Freezing of gait (FOG) is a highly incapacitating symptom that affects many people with Parkinson's disease (PD). Cueing triggered upon real-time FOG detection (on-demand cueing) shows promise for FOG treatment. Yet, the feasibility of implementation and efficacy in daily life is still unknown. Therefore, this study aims to investigate the effectiveness of DeFOG: a smartphone and sensor-based on-demand cueing solution for FOG. Methods: Sixty-two PD patients with FOG will be recruited for this single-blind, multi-center, randomized controlled phase II trial. Patients will be randomized into either the intervention group or the active control group. For four weeks, both groups will receive feedback about their physical activity using the wearable DeFOG system in daily life. In addition, the intervention group will also receive on-demand auditory cueing and instructions. Before and after the intervention, home-based assessments will be performed to evaluate the primary outcome, i.e., percentage time frozen during a FOG-provoking protocol. Secondary outcomes include the training effects on physical activity monitored over 7 days and the user-friendliness of the technology. Discussion: The DeFOG trial will investigate the effectiveness of personalized on-demand cueing in a controlled design, delivered for 4 weeks in the patient's home environment. We anticipate that DeFOG will reduce FOG to a greater degree than in the control group and we will explore the impact of the intervention on physical activity levels. We expect to gain in-depth insight into whether and how patients control FOG using cueing methods in their daily lives.
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