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Background: Psychological distress is prevalent among people with Parkinson's disease (PD) and aggravates their motor symptoms, thereby leading to increased disability, high healthcare costs, and poor health-related quality of life (HRQoL). The under-recognition and adverse effects of the pharmacological management of anxiety and depression among the PD population are considerable. Thus, adopting a Complementary and Alternative Management (CAM) approach to address this problem is important. Yoga, one of the most common "mind-body" CAM therapies, can improve the psychological wellbeing of people with chronic illnesses. However, limited research on the effects of yoga in people with PD has been conducted. This study will determine the effects of yoga on the psychological wellbeing of people with mild-to-moderate PD and will compare these effects with those of stretching and resistance training exercises.Methods: A community-based, single-blind, randomized trial will be conducted. A total of 126 subjects will be recruited and randomly divided into yoga (n = 63) or stretching and resistance exercise (n = 63) groups. For 8 weeks, the yoga group will receive a weekly 90-min session of yoga, and the control group will receive a weekly 60-min session of stretching and resistance exercises. The primary outcome will be the level of psychological distress measured using the Hospital Anxiety and Depression Scale. The secondary outcomes will include the severity of motor symptoms measured by the Movement Disorders Society - Unified Parkinson's Disease Scale - Part III Motor Examination; mobility, balance, and fall risk measured by the Timed Up and Go test; spiritual wellbeing measured by the Holistic Wellbeing Scale; and HRQoL measured by the Parkinson's Disease Questionnaire-8. Assessment will be conducted at baseline, 8th, and 20th weeks of follow-ups.Discussion: This study will be the first randomized trial to compare the effect of yoga versus stretching and resistance training exercises in a PD population. Results will contribute to the value of yoga as a therapeutic option for managing psychological distress in PD patients. Multiple outcomes including psychological, physiological, and spiritual and HRQoL will also be measured to elucidate the potential mechanisms of yoga. The effect of yoga on people with chronic illnesses will further be elucidated. This information should contribute to future research, practice, and policy related to PD management.Trial Registration: WHO Primary Registry - Chinese Clinical Trials Registry (ChiCTR): CUHK_CCRB00522 Registered on 8 October 2016; date of approval 19 August 2016. [ABSTRACT FROM AUTHOR]

Introduction: Mindfulness training (MT) has shown preliminary efficacy as a behavioral treatment for smoking cessation. We examined the effect of a brief-MT intervention on smoking cessation for Chinese women in workplaces in Hong Kong, China.Methods: In this pilot randomized controlled trial, 213 daily smokers were recruited from workplaces and computer-randomized into the intervention (n = 114) or control (n = 99) groups. Participants in both groups received a self-help booklet. Participants in the intervention group additionally attended 2 sessions of a brief-MT workshop. The primary outcome was self-reported 7-day point-prevalence abstinence (PPA) at 6 months. Secondary outcomes were biochemically validated abstinence (exhaled CO < 4 ppm and salivary cotinine < 10 ng/mL) and smoking reduction at 6 months. Analyses were done by intention to treat. We conducted a post-trial qualitative evaluation on participants in the intervention group (n = 14). Data were analyzed thematically.Results: At 6-month follow-up, self-reported 7-day PPA were similar between the intervention and control groups (18.4% vs. 21.2%; P = 0.61). Very few participated in biochemical validation (n = 17), and validated abstinence and smoking reduction rates showed no significant difference (5.3% vs. 11.1%, P = 0.12 and 20.2% vs. 20.2%, P = 1.00, respectively). A posteriori analysis showed that brief-MT participants who were psychologically engaged with the intervention had greater 6-month PPA. Qualitative evaluation showed brief-MT reduced stress but its effectiveness was restrained by the insufficient home practice.Conclusions: This pilot trial on a brief-MT intervention for smoking cessation on Chinese women in workplaces showed feasibility, but improving compliance is needed to maximize the efficacy in future fully powered trials. [ABSTRACT FROM AUTHOR]