Paul Ritvo
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View article: “It fostered a greater appreciation for my little corner of the world”: A feasibility study of a therapeutic photography intervention for the well-being of autistic youth
“It fostered a greater appreciation for my little corner of the world”: A feasibility study of a therapeutic photography intervention for the well-being of autistic youth Open
Research and intervention efforts for autistic people have disproportionately focused on negative mental health. This has resulted in a shortage of interventions addressing the promotion of positive emotional (hedonic) and psychological (e…
View article: Mindful Nonreactivity, Anxiety, Depression, and Perceived Stress as Mediators of the Mindfulness Virtual Community Intervention—Pathways to Enhance Mental Health in University Students: Secondary Evaluation of Two Randomized Controlled Trials With Student Participants
Mindful Nonreactivity, Anxiety, Depression, and Perceived Stress as Mediators of the Mindfulness Virtual Community Intervention—Pathways to Enhance Mental Health in University Students: Secondary Evaluation of Two Randomized Controlled Trials With Student Participants Open
Background Mindfulness-based interventions (MBIs) are widely used in mental health promotion and treatment. Despite widespread evidence of effectiveness with different populations and delivery modes, there are sparse findings concerning th…
View article: Prospective Preference Assessment for the Psilocybin for Enhanced Analgesia in Chronic nEuropathic PAIN (PEACE-PAIN) Trial
Prospective Preference Assessment for the Psilocybin for Enhanced Analgesia in Chronic nEuropathic PAIN (PEACE-PAIN) Trial Open
The PEACE-PAIN trial study design is supported by patient survey responses but may benefit from modifications, namely incorporating thorough discussions of the current evidence for efficacy, safety, tolerability, and approaches to address …
View article: Mindful Non-reactivity, Anxiety, Depression, and Perceived Stress as Mediators of the Mindfulness Virtual Community Intervention: Pathways to Enhance Mental Health in University Students (Preprint)
Mindful Non-reactivity, Anxiety, Depression, and Perceived Stress as Mediators of the Mindfulness Virtual Community Intervention: Pathways to Enhance Mental Health in University Students (Preprint) Open
BACKGROUND Mindfulness-based interventions (MBIs) are widely employed in mental health promotion and treatment. Despite widespread evidence of effectiveness in different populations and delivery modes, there are sparse findings concerning…
View article: The Use of Text Messaging as an Adjunct to Internet-Based Cognitive Behavioral Therapy for Major Depressive Disorder in Youth: Secondary Analysis
The Use of Text Messaging as an Adjunct to Internet-Based Cognitive Behavioral Therapy for Major Depressive Disorder in Youth: Secondary Analysis Open
Background As an established treatment for major depressive disorder (MDD), cognitive behavioral therapy (CBT) is now implemented and assessed in internet-based formats that, when combined with smartphone apps, enable secure text messaging…
View article: Text Message Interventions to Improve Medication Adherence in Developing Countries: A Systematic Review and Meta-Analysis of Randomized Controlled Trials (Preprint)
Text Message Interventions to Improve Medication Adherence in Developing Countries: A Systematic Review and Meta-Analysis of Randomized Controlled Trials (Preprint) Open
BACKGROUND Adherence to medication regimens is critical to effectively manage chronic diseases, prevent their complications, and reduce costs. Text messaging interventions, are a potentially cost-effective way to support chronic disease m…
View article: Predicting the Effectiveness of a Mindfulness Virtual Community Intervention for University Students: Machine Learning Model
Predicting the Effectiveness of a Mindfulness Virtual Community Intervention for University Students: Machine Learning Model Open
Background Students’ mental health crisis was recognized before the COVID-19 pandemic. Mindfulness virtual community (MVC), an 8-week web-based mindfulness and cognitive behavioral therapy program, has proven to be an effective web-based p…
View article: Web-Based Therapist-Guided Mindfulness-Based Cognitive Behavioral Therapy for Body Dysmorphic Disorder: Pilot Randomized Controlled Trial
Web-Based Therapist-Guided Mindfulness-Based Cognitive Behavioral Therapy for Body Dysmorphic Disorder: Pilot Randomized Controlled Trial Open
Background Internet-based cognitive behavioral therapy (CBT) and stand-alone mindfulness meditation interventions are gaining empirical support for a wide variety of mental health conditions. In this study, we test the efficacy of web-base…
View article: Psychotherapy for Ketamine’s Enhanced Durability in Chronic Neuropathic Pain: Protocol for a Pilot Randomized Controlled Trial
Psychotherapy for Ketamine’s Enhanced Durability in Chronic Neuropathic Pain: Protocol for a Pilot Randomized Controlled Trial Open
Background Chronic pain affects approximately 8 million Canadians (~20%), impacting their physical and mental health while burdening the health care system with costs of upwards of US $60 billion a year. Indeed, patients are often trialed …
View article: Psychotherapy for Ketamine’s Enhanced Durability in Chronic Neuropathic Pain: Protocol for a Pilot Randomized Controlled Trial (Preprint)
Psychotherapy for Ketamine’s Enhanced Durability in Chronic Neuropathic Pain: Protocol for a Pilot Randomized Controlled Trial (Preprint) Open
BACKGROUND Chronic pain affects approximately 8 million Canadians (~20%), impacting their physical and mental health while burdening the health care system with costs of upwards of US $60 billion a year. Indeed, patients are often trialed…
View article: The Role of Daily Steps in the Treatment of Major Depressive Disorder: Secondary Analysis of a Randomized Controlled Trial of a 6-Month Internet-Based, Mindfulness-Based Cognitive Behavioral Therapy Intervention for Youth
The Role of Daily Steps in the Treatment of Major Depressive Disorder: Secondary Analysis of a Randomized Controlled Trial of a 6-Month Internet-Based, Mindfulness-Based Cognitive Behavioral Therapy Intervention for Youth Open
Background Current evidence supports physical activity (PA) as an adjunctive treatment for major depressive disorder (MDD). Few studies, however, have examined the relationship between objectively measured PA and MDD treatment outcomes usi…
View article: Predicting the Effectiveness of a Mindfulness Virtual Community Intervention for University Students: Machine Learning Model (Preprint)
Predicting the Effectiveness of a Mindfulness Virtual Community Intervention for University Students: Machine Learning Model (Preprint) Open
BACKGROUND Students’ mental health crisis was recognized before the COVID-19 pandemic. Mindfulness virtual community (MVC), an 8-week web-based mindfulness and cognitive behavioral therapy program, has proven to be an effective web-based …
View article: Perspectives of nutrition and physical activity among families of an Indigenous Birth Cohort: a qualitative analysis exploring the barriers to and facilitators of healthy active living
Perspectives of nutrition and physical activity among families of an Indigenous Birth Cohort: a qualitative analysis exploring the barriers to and facilitators of healthy active living Open
This is a qualitative description of the perspectives and experiences of 15 mothers from the Indigenous Birth Cohort Study as it relates to barriers and facilitators to building and sustaining healthy active living practices. Our findings …
View article: Examining the impact of web-based mindfulness on undergraduate student’s quality of life: a randomized controlled trial
Examining the impact of web-based mindfulness on undergraduate student’s quality of life: a randomized controlled trial Open
Background Evidence shows that mindfulness-based programs reduce levels of stress, anxiety, and depression. Yet, web-based mindfulness has been less studied, especially among university students. We developed a student-centered web-based m…
View article: Clinical Assessment of Eye Movement Desensitization and Reprocessing in Memory Distress: Protocol for a Double-Blinded Randomized Controlled Trial
Clinical Assessment of Eye Movement Desensitization and Reprocessing in Memory Distress: Protocol for a Double-Blinded Randomized Controlled Trial Open
Background Exposures to “traumatic” events are widespread and can cause posttraumatic stress disorder (PTSD). Cognitive behavioral therapy and eye movement desensitization and reprocessing (EMDR) are frequently used and validated behaviora…
View article: A culturally tailored personaliseD nutrition intErvention in South ASIan women at risk of Gestational Diabetes Mellitus (DESI-GDM): a randomised controlled trial protocol
A culturally tailored personaliseD nutrition intErvention in South ASIan women at risk of Gestational Diabetes Mellitus (DESI-GDM): a randomised controlled trial protocol Open
Introduction South Asians are more likely to develop gestational diabetes mellitus (GDM) than white Europeans. Diet and lifestyle modifications may prevent GDM and reduce undesirable outcomes in both the mother and offspring. Our study see…
View article: Predicting the Effectiveness of a Mindfulness Virtual Community Intervention for University Students Targeting Symptoms of Depression, Anxiety and Stress (Preprint)
Predicting the Effectiveness of a Mindfulness Virtual Community Intervention for University Students Targeting Symptoms of Depression, Anxiety and Stress (Preprint) Open
BACKGROUND Students’ mental health crisis has been recognized before COVID-19 pandemic and deepened during the pandemic. Mindfulness Virtual Community (MVC), an eight-week web-based mindfulness and cognitive behavioural therapy (CBT) prog…
View article: Preference-based versus randomized controlled trial in prostate cancer survivors: Comparison of recruitment, adherence, attrition, and clinical outcomes
Preference-based versus randomized controlled trial in prostate cancer survivors: Comparison of recruitment, adherence, attrition, and clinical outcomes Open
Introduction Patients’ unwillingness to be randomized to a mode of exercise may partly explain their poor recruitment, adherence, and attrition in randomized controlled trials (RCTs) of exercise in oncology. It is unknown whether a prefere…
View article: Barriers and facilitators to healthy active living in South Asian families in Canada: a thematic analysis
Barriers and facilitators to healthy active living in South Asian families in Canada: a thematic analysis Open
Objectives The study objective was to understand the barriers and facilitators to healthy active living in South Asian families living in Canada. Design Semi-structured interviews of 30–60-minute duration with South Asian women with young …
View article: Wireless phones and brain tumour risk in young people: results of the multi-national MOBI-Kids study
Wireless phones and brain tumour risk in young people: results of the multi-national MOBI-Kids study Open
Background and aim. The possibility that wireless (mobile and cordless) phone use might increase brain tumour (BT) risk, has long been a concern, particularly in young people. We studied the association between wireless phone use and subsq…
View article: The Use of Text Messaging as an Adjunct to Internet-Based Cognitive Behavioral Therapy for Major Depressive Disorder in Youth: Secondary Analysis (Preprint)
The Use of Text Messaging as an Adjunct to Internet-Based Cognitive Behavioral Therapy for Major Depressive Disorder in Youth: Secondary Analysis (Preprint) Open
BACKGROUND As an established treatment for major depressive disorder (MDD), cognitive behavioral therapy (CBT) is now implemented and assessed in internet-based formats that, when combined with smartphone apps, enable secure text messagin…
View article: Ketamine Assisted Psychotherapy: A Systematic Narrative Review of the Literature
Ketamine Assisted Psychotherapy: A Systematic Narrative Review of the Literature Open
Sandra J Drozdz,1 Akash Goel,1â 3 Matthew W McGarr,4 Joel Katz,3,5â 7 Paul Ritvo,5,7 Gabriella F Mattina,1 Venkat Bhat,8â 10 Calvin Diep,3 Karim S Ladha1,3,10 1Department of Anesthesia, St. Michaelâs Hospital, Toronto, ON, Canada; …
View article: Correction: Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial
Correction: Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial Open
[This corrects the article DOI: 10.2196/29726.].
View article: Correction: Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial (Preprint)
Correction: Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial (Preprint) Open
UNSTRUCTURED This is a corrigendum.
View article: Clinical Assessment of Eye Movement Desensitization and Reprocessing in Memory Distress: Protocol for a Double-Blinded Randomized Controlled Trial (Preprint)
Clinical Assessment of Eye Movement Desensitization and Reprocessing in Memory Distress: Protocol for a Double-Blinded Randomized Controlled Trial (Preprint) Open
BACKGROUND Exposures to “traumatic” events are widespread and can cause posttraumatic stress disorder (PTSD). Cognitive behavioral therapy and eye movement desensitization and reprocessing (EMDR) are frequently used and validated behavior…
View article: Wireless phone use in childhood and adolescence and neuroepithelial brain tumours: Results from the international MOBI-Kids study
Wireless phone use in childhood and adolescence and neuroepithelial brain tumours: Results from the international MOBI-Kids study Open
In recent decades, the possibility that use of mobile communicating devices, particularly wireless (mobile and cordless) phones, may increase brain tumour risk, has been a concern, particularly given the considerable increase in their use …
View article: Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial
Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial Open
Background The incidence of mental health disorders in Canada is increasing with costs of CAD $51 billion (US $40 billion) per year. Depression is the most prevalent cause of disability while cognitive behavioral therapy (CBT) is the best …
View article: A Web-Based Cognitive Behavioral Therapy, Mindfulness Meditation, and Yoga Intervention for Posttraumatic Stress Disorder: Single-Arm Experimental Clinical Trial
A Web-Based Cognitive Behavioral Therapy, Mindfulness Meditation, and Yoga Intervention for Posttraumatic Stress Disorder: Single-Arm Experimental Clinical Trial Open
Background Posttraumatic stress disorder (PTSD) is a debilitating, undertreated condition. The web-based delivery of cognitive behavioral therapy supplemented with mindfulness meditation and yoga is a viable treatment that emphasizes self-…
View article: Studies to Improve Perinatal Health through Diet and Lifestyle among South Asian Women Living in Canada: A Brief History and Future Research Directions
Studies to Improve Perinatal Health through Diet and Lifestyle among South Asian Women Living in Canada: A Brief History and Future Research Directions Open
South Asians (i.e., people who originate from India, Pakistan, Sri Lanka, Nepal, and Bangladesh) have higher cardiovascular disease rates than other populations, and these differences persist in their offspring. Nutrition is a critical lif…
View article: Integrated Physical Activity Campaign With Wearable Devices and Practitioner Consultation
Integrated Physical Activity Campaign With Wearable Devices and Practitioner Consultation Open
Alexander Hodkinson, PhD; Evangelos Kontopantelis, PhD; Charles Adeniji, MD; Harm van Marwijk, PhD; Brian McMillian, PhD; Peter Bower, PhD; Maria Panagioti, PhD