Ryan J. Van Lieshout, MD, PhD

Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, Ontario, Canada

  • 9Articles
  • 67.2KReads1
  • 2017–2025Active
  • 25Collaborators
  • 130Citations2

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About

Ryan J. Van Lieshout, MD, PhD, is affiliated with the Department of Psychiatry and Behavioral Neurosciences at McMaster University in Hamilton, Ontario, Canada. The author has published extensively on topics related to women’s mental health, focusing on depression, anxiety, and psychotherapy, particularly in the context of perinatal and postpartum depression. His work includes studies on cognitive behavioral therapy interventions, peer- and public health nurse–delivered treatments, and the impact of COVID-19 on maternal mental health. Van Lieshout’s research has appeared in Psychiatrist.com from 2017 through 2025.

Publications

JCP
Effectiveness of Peer-Administered Interventions for Perinatal Depression or Anxiety
Meta-Analysis

Effectiveness of Peer-Administered Interventions for Perinatal Depression or Anxiety

December 8, 2025

Peer-administered interventions are effective at improving perinatal depression, with peer-delivered psychotherapies being the most effective.
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JCP
Public Health Nurse–Delivered 1-Day CBT for Postpartum Depression
Original Research

Public Health Nurse–Delivered 1-Day CBT for Postpartum Depression

April 30, 2025

Pilot results suggest that 1-day CBT-based workshops may lead to improvements in postpartum depression up to 9 months later.
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JCP
One-Day Online CBT-Based Workshops for the Prevention of Postpartum Depression
Original Research

One-Day Online CBT-Based Workshops for the Prevention of Postpartum Depression

April 16, 2025

Reductions in Edinburgh Postnatal Depression Scale (EPDS) scores were seen in the CBT group at 2 months but were not statistically significant. Higher risk participants with a baseline EPDS...
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JCP
Infant Distress to Limitation and Postpartum Depression Treatment Response
Brief Report

Infant Distress to Limitation and Postpartum Depression Treatment Response

March 19, 2025

Higher infant distress to limitation predicted higher postpartum depression symptoms following CBT, both at posttreatment and 3 months later.
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JCP
Public Health Nurse-Delivered Group CBT for PPD
Original Research

Public Health Nurse-Delivered Group CBT for PPD

July 24, 2023

The increase in postpartum depression during the pandemic highlights a need for accessible interventions. In this study, online group CBT significantly reduced depression, worry, and rejection and pathological anger...
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JCP
Peer-Delivered CBT Workshops for Postpartum Depression
Brief Report

Peer-Delivered CBT Workshops for Postpartum Depression

January 2, 2023

Peer-delivered online 1-day CBT-based workshops for postpartum depression reduced depression and anxiety and improved social support and mother-infant bonding.
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JCP
Original Research

Peer-Delivered CBT for Postpartum Depression

November 9, 2021

This study sought to determine if a 9-week group cognitive-behavioral therapy intervention delivered by women who had previously recovered from postpartum depression (PPD) could reduce PPD in current sufferers.
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JCP
Original Research

Impact of COVID-19 on Women With Postpartum Depression

July 6, 2021

Mothers with mental health concerns during the COVID-19 pandemic are highly vulnerable. This study sought to determine the impact of the pandemic on depression, anxiety, and mother-infant bonding among...
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JCP
Letter to the Editor

A Potential Gap in the Perinatal Depression Treatment Cascade

May 24, 2017

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Physicians Postgraduate Press, Inc. (PPP) makes no warranties about the accuracy or completeness of any information published in The Journal of Clinical Psychiatry or other PPP materials, and disclaims liability for any use or non-use of that information. Clinicians should not rely solely on these materials and should exercise their own professional judgment when making patient care decisions on an individualized basis.

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