Sex-dependent effects of psychedelics: review of evidence from rodent models - Report - MDSpire

Sex-dependent effects of psychedelics: review of evidence from rodent models

  • By

  • Rafał Marecki

  • Wiktoria Zaniewska

  • Adam Hamed

  • Napoleon Waszkiewicz

  • Jacob J. Baker

  • Kacper Łukasiewicz

  • July 15, 2026

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Clinical Report: Sex-Based Variations in the Effects of Psychedelics

Overview

This review highlights significant sex-dependent differences in the effects of classic psychedelics on neurobiological and behavioral outcomes in rodent models. Findings indicate that these differences are influenced by pharmacokinetics, physiology, and the ovarian cycle.

Background

Understanding the effects of psychedelics is crucial due to their potential therapeutic applications for mental health disorders. However, sex as a biological variable has been underrepresented in research.

Data Highlights

No numerical data or trial data available in the source material.

Key Findings

  • Sex differences in pharmacodynamics and neurobiological responses to psychedelics are evident.
  • Females exhibit stronger or qualitatively distinct behavioral effects compared to males.
  • Ovarian cycle phase modulates responses to psychedelics, particularly in females.
  • Divergent serotonergic and dopaminergic signaling patterns are observed based on sex.
  • Sex-dependent effects of psilocybin on alcohol consumption and DMT microdosing on affective behavior have been documented.

Clinical Implications

Integrating sex-specific analyses into psychedelic research is essential.

Conclusion

The evidence highlights the importance of considering sex as a biological variable in psychedelic research.

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