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Jan Wardęszkiewicz

6 papers in the library · 1 citation · publishing 2025-2026

Papers

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How Psychological Change Unfolds During Online Mindfulness-Based Cognitive Therapy: A Convergent Mixed-Methods Study of Daily Processes in Depression

Research Square July 8, 2026 Jan Wardęszkiewicz, Paweł Holas, Magdalena Budziszewska preprint

Abstract Background: Online Mindfulness-Based Cognitive Therapy (MBCT) offers a scalable approach to treating depression, yet high attrition and sustained engagement remain persistent challenges, particularly for individuals with active symptoms. This convergent mixed-methods study aimed to explore how individuals with current depressive symptoms experience and navigate digital mindfulness...

Efficacy and mechanisms of internet-delivered mindfulness-based cognitive therapy for Adjustment Disorder: A randomized controlled trial.

Journal of Anxiety Disorders July 1, 2026 Paweł Holas, Jan Wardęszkiewicz, Malgorzata Grochowska et al.

Adjustment Disorder (AjD) is a common stress-related condition, yet evidence-based interventions remain scarce. Mindfulness-Based Cognitive Therapy (MBCT) targets transdiagnostic mechanisms such as cognitive fusion and low self-compassion, which may be particularly relevant for AjD. This randomized controlled trial tested the efficacy of a brief, guided, asynchronous internet-delivered MBCT...

DOI: 10.1016/j.janxdis.2026.103173 (opens in new tab) Full text (opens in new tab) Adjustment disorder Covid-19 pandemic Cognitive defusion Internet-delivered intervention +2

Synchronous Online Group MBCT vs. Guided Asynchronous Online MBCT for Mild to Moderate Depression: A Randomized Clinical Trial

Mindfulness March 1, 2026 Jan Wardęszkiewicz, Paweł Holas, Gerhard Andersson 1 citation

Online Mindfulness-Based Cognitive Therapy (MBCT) is a promising intervention for mental health, but its effectiveness in reducing depressive symptoms remains underexplored. While key mechanisms of change have been identified in traditional MBCT, their role in online delivery formats needs further investigation. This study aimed to evaluate the effectiveness of synchronous and asynchronous...

Self-Compassion and Resilience as Mediators of a 30-Day Internet-Delivered Mindfulness-Based Cognitive Therapy: A Pragmatic Open Trial

Research Square September 9, 2025 Paweł Holas, Jan Wardęszkiewicz preprint

Abstract Objectives Emotional distress, encompassing stress, anxiety, and depression, is highly prevalent and associated with substantial personal and societal burden. While Mindfulness-Based Cognitive Therapy (MBCT) is an established intervention, its accessibility is often limited by program length, delivery format, and resource demands. Brief, minimally guided, internet-delivered MBCT...

Synchronous online group MBCT vs guided asynchronous iMBCT in depressed sample: randomized clinical trial with a 3-month follow-up

Jan Wardęszkiewicz, Paweł Holas, Gerhard Andersson preprint

Abstract Background Online Mindfulness-Based Cognitive Therapy (iMBCT) is a promising intervention for mental health, but its effectiveness in reducing depressive symptoms remains underexplored. While key mechanisms of change have been identified in traditional MBCT, their role in online delivery formats needs further investigation. Methods In this randomized clinical trial, 170 individuals...

Internet-delivered modified Mindfulness-Based Cognitive Therapy (iMBCT) intervention for perceived stress and emotional distress: A pilot RCT study

Jan Wardęszkiewicz, Paweł Holas preprint

Abstract Mindfulness-Based Cognitive Therapy (MBCT) has demonstrated its effectiveness in preventing depression relapse and reducing symptoms of depression and anxiety. Preliminary research on the online version of an eight-week MBCT (iMBCT) has shown promising results in decreasing emotional distress, aligning with the positive effects observed in traditional MBCT programs. However, there is a...