Clinical trials

The goal of this study (exploratory sequential design; mixed-methods study) is to evaluate whether a PERMA-H model mobile-based rehabilitation support program delivered to post-tracheostomy oral cancer patients can improve psychological and rehabilitation outcomes, compared with a control group receiving usual care/standard support. The study will focus on post-tracheostomy oral squamous cell carcinoma (OSCC) patients (aged ≥18 years) who are undergoing or scheduled to undergo tracheostomy followed by decannulation, and who have adequate communication ability and caregiver support. The main questions it aims to answer are: Does the PERMA-H model mobile-based rehabilitation support program improve patients' hope? (primary hypothesis/outcome measure 1) Does the PERMA-H model mobile-based rehabilitation support program improve patients' self-efficacy, perceived social support, and rehabilitation outcomes? (primary hypothesis/outcome measure 2) If there is a comparison group, researchers will compare the PERMA-H model mobile-based rehabilitation support program (intervention group) to a control group receiving standard/usual care (control group) to determine differences in outcomes between groups. Participants will be asked to complete the main study tasks, including: participating in qualitative interviews to explore their digital needs, expectations, and experiences regarding psychosocial care (Phase I); using the WeChat mini-program platform that incorporates a PERMA-H evidence-based module set and a chatbot (Decannulationbot / Digital rehabilitation Assistant, DDA) as part of the rehabilitation support program; completing validated assessments at study endpoints to measure hope (Herth Hope Index), self-efficacy (General Self-Efficacy Scale), and perceived social support (Perceived Social Support Scale), as well as rehabilitation-related outcomes (including rehabilitation willingness/participation and functional measures such as swallowing function and speech intelligibility as rated by speech-language pathologists). Expected outcomes include: comprehensive qualitative findings to inform the content and delivery of digital psychosocial support; a functional mobile intervention platform with evidence-based modules validated through expert appraisal and pilot testing; and statistically significant improvements in hope, self-efficacy, perceived social support, and rehabilitation outcomes in the intervention group compared with the control group.

This prospective observational study aims to evaluate the role of intravoxel incoherent motion (IVIM) imaging and magnetic resonance fingerprinting (MRF) techniques in monitoring salivary gland injury in nasopharyngeal carcinoma (NPC) patients undergoing radiotherapy. The study will recruit patients diagnosed with NPC who are receiving standard radiotherapy, and quantitative imaging data will be collected using IVIM and MRF techniques at multiple time points, including pre-treatment, during radiotherapy, and post-treatment. The primary objective is to analyze changes in salivary gland structure and function and to identify early imaging biomarkers indicative of radiation-induced injury. The findings are expected to provide new insights into the dynamic progression of salivary gland damage, establish predictive models for the risk of xerostomia, and guide the development of personalized therapeutic strategies to mitigate long-term complications.

This is a community-based prospective cohort study in Hainan Province, China. The study was initialized in 2023 and included older residents for longitudinal follow-up. The research aims to identify risk factors as well as health and social outcomes that are associated with cognitive impairment in elderly populations, and independently develop AI-assisted software and applications for cognitive enhancement and physical rehabilitation training.