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Bartosz Helfer

2 papers in the library · publishing 2026

Papers

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Open research data for: Limits of evidence-synthesis in psychedelic-assisted psychotherapy: a meta-research study of systematic reviews, meta-analyses and randomized trials

OSF Preprints (OSF Preprints) September 10, 2026 Bartosz Helfer, Katarzyna Henke‐Ciążyńska, Daniel Pankowski et al. preprint

The original data comprise the extraction, coding, identity mappings and appraisals produced for the accompanying meta-research study. Their source material is previously published literature.

846. Inconsistent trial risk-of-bias judgements across psychedelic-assisted psychotherapy systematic reviews

International Journal of Neuropsychopharmacology September 9, 2026 K Henke-Ciążyńska, D Pankowski, B Helfer

Abstract Background Systematic reviews with meta-analyses (SR-MAs) of psychedelic-assisted psychotherapy (PAP) guide clinical and policy decisions. Their trustworthiness depends, in part, on how consistently different SR-MAs assess risk of bias (RoB) in the same underlying randomized controlled trials (RCTs), and how transparently those judgments are justified. Aims & Objectives To summarise...