David Gratzer

Scopus Author ID ORCID

Publication Activity (10 Years)

Years Active: 2019-2024
Publications (10 Years): 29

Top Topics

Randomized Controlled Trial

Major Depressive Disorder

Top Venues

Canadian journal of psychiatry. Revue canadienne de psychiatrie

JMIR formative research

JMIR research protocols

This page only lists publications with an associated author ORCID identifier.

Publications

Clarice Walters, David Gratzer, Kevin Dang, Judith M Laposa, Yuliya Knyahnytska, Abigail Ortiz, Christina Gonzalez-Torres, Lindsay P Moore, Sheng Chen, Clement Ma, Zafiris J Daskalakis, Paul Ritvo
The Use of Text Messaging as an Adjunct to Internet-Based Cognitive Behavioral Therapy for Major Depressive Disorder in Youth: Secondary Analysis. JMIR formative research 8 (2024)
Raymond W Lam, Sidney H Kennedy, G Camelia Adams, Anees Bahji, Serge Beaulieu, Venkat Bhat, Pierre Blier, Daniel M Blumberger, Elisa Brietzke, Trisha Chakrabarty, André Do, Benicio N Frey, Peter Giacobbe, David Gratzer, Sophie Grigoriadis, Jeffrey Habert, Muhammad Ishrat Husain, Zahinoor Ismail, Alexander McGirr, Roger S McIntyre, Erin E Michalak, Daniel J Mueller, Sagar V Parikh, Lena C Quilty, Arun V Ravindran, Nisha Ravindran, Johanne Renaud, Joshua Daniel Rosenblat, Zainab Samaan, Gayatri Saraf, Kathryn Schade, Ayal Schaffer, Mark Sinyor, Claudio N Soares, Jennifer Swainson, Valerie H Taylor, Smadar Valérie Tourjman, Rudolf Uher, Michael van Ameringen, Gustavo H Vázquez, Simone Vigod, Daphne Voineskos, Lakshmi N Yatham, Roumen V Milev
Canadian Network for Mood and Anxiety Treatments (CANMAT) 2023 Update on Clinical Guidelines for Management of Major Depressive Disorder in Adults: Réseau canadien pour les traitements de l'humeur et de l'anxiété (CANMAT) 2023 : Mise à jour des lignes directrices cliniques pour la prise en charge du trouble dépressif majeur chez les adultes. Canadian journal of psychiatry. Revue canadienne de psychiatrie 69 (9) (2024)
Clarice Walters, David Gratzer, Kevin Dang, Judith M Laposa, Yuliya Knyahnytska, Abigail Ortiz, Christina Gonzalez-Torres, Lindsay P Moore, Sheng Chen, Clement Ma, Zafiris J Daskalakis, Paul Ritvo
The Use of Text Messaging as an Adjunct to Internet-Based Cognitive Behavioral Therapy for Major Depressive Disorder in Youth: Secondary Analysis. JMIR formative research 8 (2024)
Clarice Walters, David Gratzer, Kevin Dang, Judith M Laposa, Yuliya Knyahnytska, Abigail Ortiz, Christina Gonzalez-Torres, Lindsay P Moore, Sheng Chen, Clement Ma, Zafiris J Daskalakis, Paul Ritvo
The Use of Text Messaging as an Adjunct to Internet-Based Cognitive Behavioral Therapy for Major Depressive Disorder in Youth: Secondary Analysis. JMIR formative research 8 (2024)
Raymond W Lam, Sidney H Kennedy, G Camelia Adams, Anees Bahji, Serge Beaulieu, Venkat Bhat, Pierre Blier, Daniel M Blumberger, Elisa Brietzke, Trisha Chakrabarty, André Do, Benicio N Frey, Peter Giacobbe, David Gratzer, Sophie Grigoriadis, Jeffrey Habert, Muhammad Ishrat Husain, Zahinoor Ismail, Alexander McGirr, Roger S McIntyre, Erin E Michalak, Daniel J Mueller, Sagar V Parikh, Lena C Quilty, Arun V Ravindran, Nisha Ravindran, Johanne Renaud, Joshua Daniel Rosenblat, Zainab Samaan, Gayatri Saraf, Kathryn Schade, Ayal Schaffer, Mark Sinyor, Claudio N Soares, Jennifer Swainson, Valerie H Taylor, Smadar Valérie Tourjman, Rudolf Uher, Michael van Ameringen, Gustavo H Vázquez, Simone Vigod, Daphne Voineskos, Lakshmi N Yatham, Roumen V Milev
Canadian Network for Mood and Anxiety Treatments (CANMAT) 2023 Update on Clinical Guidelines for Management of Major Depressive Disorder in Adults: Réseau canadien pour les traitements de l'humeur et de l'anxiété (CANMAT) 2023 : Mise à jour des lignes directrices cliniques pour la prise en charge du trouble dépressif majeur chez les adultes. Canadian journal of psychiatry. Revue canadienne de psychiatrie 69 (9) (2024)
Raymond W Lam, Sidney H Kennedy, G Camelia Adams, Anees Bahji, Serge Beaulieu, Venkat Bhat, Pierre Blier, Daniel M Blumberger, Elisa Brietzke, Trisha Chakrabarty, André Do, Benicio N Frey, Peter Giacobbe, David Gratzer, Sophie Grigoriadis, Jeffrey Habert, Muhammad Ishrat Husain, Zahinoor Ismail, Alexander McGirr, Roger S McIntyre, Erin E Michalak, Daniel J Mueller, Sagar V Parikh, Lena C Quilty, Arun V Ravindran, Nisha Ravindran, Johanne Renaud, Joshua Daniel Rosenblat, Zainab Samaan, Gayatri Saraf, Kathryn Schade, Ayal Schaffer, Mark Sinyor, Claudio N Soares, Jennifer Swainson, Valerie H Taylor, Smadar Valérie Tourjman, Rudolf Uher, Michael van Ameringen, Gustavo H Vázquez, Simone Vigod, Daphne Voineskos, Lakshmi N Yatham, Roumen V Milev
Canadian Network for Mood and Anxiety Treatments (CANMAT) 2023 Update on Clinical Guidelines for Management of Major Depressive Disorder in Adults: Réseau canadien pour les traitements de l'humeur et de l'anxiété (CANMAT) 2023 : Mise à jour des lignes directrices cliniques pour la prise en charge du trouble dépressif majeur chez les adultes. Canadian journal of psychiatry. Revue canadienne de psychiatrie (2024)
Raymond W Lam, Sidney H Kennedy, G Camelia Adams, Anees Bahji, Serge Beaulieu, Venkat Bhat, Pierre Blier, Daniel M Blumberger, Elisa Brietzke, Trisha Chakrabarty, André Do, Benicio N Frey, Peter Giacobbe, David Gratzer, Sophie Grigoriadis, Jeffrey Habert, Muhammad Ishrat Husain, Zahinoor Ismail, Alexander McGirr, Roger S McIntyre, Erin E Michalak, Daniel J Mueller, Sagar V Parikh, Lena C Quilty, Arun V Ravindran, Nisha Ravindran, Johanne Renaud, Joshua Daniel Rosenblat, Zainab Samaan, Gayatri Saraf, Kathryn Schade, Ayal Schaffer, Mark Sinyor, Claudio N Soares, Jennifer Swainson, Valerie H Taylor, Smadar Valérie Tourjman, Rudolf Uher, Michael van Ameringen, Gustavo H Vázquez, Simone Vigod, Daphne Voineskos, Lakshmi N Yatham, Roumen V Milev
Canadian Network for Mood and Anxiety Treatments (CANMAT) 2023 Update on Clinical Guidelines for Management of Major Depressive Disorder in Adults: Réseau canadien pour les traitements de l'humeur et de l'anxiété (CANMAT) 2023 : Mise à jour des lignes directrices cliniques pour la prise en charge du trouble dépressif majeur chez les adultes. Canadian journal of psychiatry. Revue canadienne de psychiatrie 69 (9) (2024)
Raymond W Lam, Sidney H Kennedy, G Camelia Adams, Anees Bahji, Serge Beaulieu, Venkat Bhat, Pierre Blier, Daniel M Blumberger, Elisa Brietzke, Trisha Chakrabarty, André Do, Benicio N Frey, Peter Giacobbe, David Gratzer, Sophie Grigoriadis, Jeffrey Habert, Muhammad Ishrat Husain, Zahinoor Ismail, Alexander McGirr, Roger S McIntyre, Erin E Michalak, Daniel J Mueller, Sagar V Parikh, Lena C Quilty, Arun V Ravindran, Nisha Ravindran, Johanne Renaud, Joshua Daniel Rosenblat, Zainab Samaan, Gayatri Saraf, Kathryn Schade, Ayal Schaffer, Mark Sinyor, Claudio N Soares, Jennifer Swainson, Valerie H Taylor, Smadar Valérie Tourjman, Rudolf Uher, Michael van Ameringen, Gustavo H Vázquez, Simone Vigod, Daphne Voineskos, Lakshmi N Yatham, Roumen V Milev
Canadian Network for Mood and Anxiety Treatments (CANMAT) 2023 Update on Clinical Guidelines for Management of Major Depressive Disorder in Adults: Réseau canadien pour les traitements de l'humeur et de l'anxiété (CANMAT) 2023 : Mise à jour des lignes directrices cliniques pour la prise en charge du trouble dépressif majeur chez les adultes. Canadian journal of psychiatry. Revue canadienne de psychiatrie (2024)
Raymond W Lam, Sidney H Kennedy, G Camelia Adams, Anees Bahji, Serge Beaulieu, Venkat Bhat, Pierre Blier, Daniel M Blumberger, Elisa Brietzke, Trisha Chakrabarty, André Do, Benicio N Frey, Peter Giacobbe, David Gratzer, Sophie Grigoriadis, Jeffrey Habert, Muhammad Ishrat Husain, Zahinoor Ismail, Alexander McGirr, Roger S McIntyre, Erin E Michalak, Daniel J Mueller, Sagar V Parikh, Lena C Quilty, Arun V Ravindran, Nisha Ravindran, Johanne Renaud, Joshua Daniel Rosenblat, Zainab Samaan, Gayatri Saraf, Kathryn Schade, Ayal Schaffer, Mark Sinyor, Claudio N Soares, Jennifer Swainson, Valerie H Taylor, Smadar Valérie Tourjman, Rudolf Uher, Michael van Ameringen, Gustavo H Vázquez, Simone Vigod, Daphne Voineskos, Lakshmi N Yatham, Roumen V Milev
Canadian Network for Mood and Anxiety Treatments (CANMAT) 2023 Update on Clinical Guidelines for Management of Major Depressive Disorder in Adults: Réseau canadien pour les traitements de l'humeur et de l'anxiété (CANMAT) 2023 : Mise à jour des lignes directrices cliniques pour la prise en charge du trouble dépressif majeur chez les adultes. Canadian journal of psychiatry. Revue canadienne de psychiatrie (2024)
Yvonne W Leung, Steve Ng, Lauren Duan, Claire Lam, Kenith Chan, Mathew Gancarz, Heather Rennie, Lianne Trachtenberg, Kai P Chan, Achini Adikari, Lin Fang, David Gratzer, Graeme Hirst, Jiahui Wong, Mary-Jane Esplen
Therapist Feedback and Implications on Adoption of an Artificial Intelligence-Based Co-Facilitator for Online Cancer Support Groups: Mixed Methods Single-Arm Usability Study. JMIR cancer 9 (2023)
Kevin Dang, Paul Ritvo, Joel D Katz, David Gratzer, Yuliya Knyahnytska, Abigail Ortiz, Clarice Walters, Mohamed Attia, Christina Gonzalez-Torres, Andrew Lustig, Zafiris J Daskalakis
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. Interactive journal of medical research 12 (2023)
Vitor Soares Tardelli, Samantha Johnstone, Bin Xu, Soyeon Kim, Helena K Kim, David Gratzer, Tony P George, Bernard Le Foll, David Jonathan Castle
Marked Increase in Amphetamine-Related Emergency Department Visits and Inpatient Admissions in Toronto, Canada, 2014-2021. Canadian journal of psychiatry. Revue canadienne de psychiatrie 68 (4) (2022)
Yvonne W Leung, Bomi Park, Rachel Heo, Achini Adikari, Suja Chackochan, Jiahui Wong, Elyse Alie, Mathew Gancarz, Martyna Kacala, Graeme Hirst, Daswin De Silva, Leon French, Jacqueline Lorene Bender, Faye Mishna, David Gratzer, Damminda Alahakoon, Mary-Jane Esplen
Providing Care Beyond Therapy Sessions With a Natural Language Processing-Based Recommender System That Identifies Cancer Patients Who Experience Psychosocial Challenges and Provides Self-care Support: Pilot Study. JMIR cancer 8 (3) (2022)
Vitor Soares Tardelli, Samantha Johnstone, Bin Xu, Soyeon Kim, Helena K Kim, David Gratzer, Tony P George, Bernard Le Foll, David Jonathan Castle
Marked Increase in Amphetamine-Related Emergency Department Visits and Inpatient Admissions in Toronto, Canada, 2014-2021. Canadian journal of psychiatry. Revue canadienne de psychiatrie 68 (4) (2022)
Gaurav Sharma, Lisa Schlosser, Brett D M Jones, Daniel M Blumberger, David Gratzer, Muhammad Omair Husain, Benoit H Mulsant, Lance M Rappaport, Vicky Stergiopoulos, Muhammad Ishrat Husain
Brief App-Based Cognitive Behavioral Therapy for Anxiety Symptoms in Psychiatric Inpatients: Feasibility Randomized Controlled Trial. JMIR formative research 6 (11) (2022)
Paul Ritvo, David Gratzer, Yuliya Knyahnytska, Abigail Ortiz, Clarice Walters, Joel D Katz, Judith M Laposa, Christopher Baldissera, Noah Wayne, Donna Pfefer-Litman, George A Tomlinson, Zafiris J Daskalakis
Correction: Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial. JMIR research protocols 11 (4) (2022)
Vitor Soares Tardelli, Samantha Johnstone, Bin Xu, Soyeon Kim, Helena K Kim, David Gratzer, Tony P George, Bernard Le Foll, David Jonathan Castle
Marked Increase in Amphetamine-Related Emergency Department Visits and Inpatient Admissions in Toronto, Canada, 2014-2021. Canadian journal of psychiatry. Revue canadienne de psychiatrie 68 (4) (2022)
Paul Ritvo, David Gratzer, Yuliya Knyahnytska, Abigail Ortiz, Clarice Walters, Joel D Katz, Judith M Laposa, Christopher Baldissera, Noah Wayne, Donna Pfefer-Litman, George A Tomlinson, Zafiris J Daskalakis
Comparing Online and On-Site Cognitive Behavior Therapy in Major Depressive Disorder: Protocol for a Noninferiority Randomized Controlled Trial. JMIR research protocols 11 (4) (2022)
Vitor Soares Tardelli, Samantha Johnstone, Bin Xu, Soyeon Kim, Helena K Kim, David Gratzer, Tony P George, Bernard Le Foll, David Jonathan Castle
Marked Increase in Amphetamine-Related Emergency Department Visits and Inpatient Admissions in Toronto, Canada, 2014-2021. Canadian journal of psychiatry. Revue canadienne de psychiatrie (2022)
Vitor Soares Tardelli, Samantha Johnstone, Bin Xu, Soyeon Kim, Helena K Kim, David Gratzer, Tony P George, Bernard Le Foll, David Jonathan Castle
Marked Increase in Amphetamine-Related Emergency Department Visits and Inpatient Admissions in Toronto, Canada, 2014-2021. Canadian journal of psychiatry. Revue canadienne de psychiatrie 68 (4) (2022)
Yvonne W Leung, Elise Wouterloot, Achini Adikari, Graeme Hirst, Daswin De Silva, Jiahui Wong, Jacqueline Lorene Bender, Mathew Gancarz, David Gratzer, Damminda Alahakoon, Mary-Jane Esplen
Natural Language Processing-Based Virtual Cofacilitator for Online Cancer Support Groups: Protocol for an Algorithm Development and Validation Study. JMIR research protocols 10 (1) (2021)
Scott Burton Patten, Stanley Kutcher, David L Streiner, David Gratzer, Paul Kurdyak, Lakshmi Yatham
Population Mental Health and COVID-19: Why Do We Know So Little? Canadian journal of psychiatry. Revue canadienne de psychiatrie 66 (9) (2021)
Andrea E Waddell, David Gratzer
Patient Safety and Mental Health-A Growing Quality Gap in Canada. Canadian journal of psychiatry. Revue canadienne de psychiatrie (2021)
David Gratzer, David Goldbloom
Therapy and E-therapy-Preparing Future Psychiatrists in the Era of Apps and Chatbots. Academic psychiatry : the journal of the American Association of Directors of Psychiatric Residency Training and the Association for Academic Psychiatry 44 (2) (2020)
David Gratzer, Gillian Strudwick, Anthony Yeung
Mental illness: Is there an app for that? Families, systems & health : the journal of collaborative family healthcare 37 (4) (2020)
Timothy Zhang, Richard G Booth, Royce Jean-Louis, Ryan Chan, Anthony Yeung, David Gratzer, Gillian Strudwick
A Primer on Usability Assessment Approaches for Health-Related Applications of Virtual Reality. JMIR serious games 8 (4) (2020)
David Gratzer, John B Torous, Raymond W Lam, Scott Burton Patten, Stanley Kutcher, Steven Richard Chan, Daniel V Vigo, Kathleen Pajer, Lakshmi N Yatham
Our Digital Moment: Innovations and Opportunities in Digital Mental Health Care. Canadian journal of psychiatry. Revue canadienne de psychiatrie 66 (1) (2020)
David S Goldbloom, David Gratzer
Barriers to Brain Stimulation Therapies for Treatment-Resistant Depression: Beyond Cost Effectiveness. Canadian journal of psychiatry. Revue canadienne de psychiatrie 65 (3) (2019)
David Gratzer, David Goldbloom
Open for Business: Chatbots, E-therapies, and the Future of Psychiatry. Canadian journal of psychiatry. Revue canadienne de psychiatrie 64 (7) (2019)