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Psychedelic therapy and postpartum depression: priorities and prospects
Guillaume Thuery1,2, Frank Crossen3, Daniel Mc Loone1
1Trinity Institute of Neurosciences, Trinity College Dublin, Dublin, Ireland.
Therapeutic Advances in Psychopharmacology
|March 12, 2026
Summary
Psychedelic therapy shows promise for postpartum depression (PPD), but more research is needed. This review explores how psychedelics interact with pathways relevant to maternal care, informing future PPD treatment strategies.
Area of Science:
- Neuroscience
- Psychiatry
- Immunology
Background:
- Postpartum depression (PPD) affects 15% of mothers, with limited treatment efficacy.
- Psychedelic therapy is a potential transdiagnostic treatment for mental health disorders.
- Serotonergic psychedelics may offer a novel therapeutic avenue for PPD.
Purpose of the Study:
- To review the immune, endocrine, and neural pathways involved in PPD.
- To explore the interaction of serotonergic psychedelics with these pathways.
- To examine psychedelic therapy's role in maternal motivation, bonding, and caregiving.
Main Methods:
- Literature review of existing knowledge on PPD.
- Exploration of psychedelic mechanisms of action.
- Analysis of maternal behaviors in the context of PPD and psychedelic therapy.
Main Results:
- Psychedelics interact with neural, immune, and endocrine systems relevant to PPD.
- Understanding these interactions is crucial for optimizing psychedelic therapy for PPD.
- Variability in therapeutic response and benefit-risk ratio require further investigation.
Conclusions:
- Psychedelic therapy presents a promising, yet under-researched, treatment for PPD.
- Further research, including longitudinal studies with postpartum-specific adaptations, is essential.
- Efficacy and safety profiles of psychedelic therapy for PPD need to be established.
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