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Published on: January 17, 2025
Therapeutic Alliance and Rapport Modulate Responses to Psilocybin Assisted Therapy for Depression
Roberta Murphy1,2, Hannes Kettner1, Rick Zeifman1,3
1Department of Brain Sciences, Centre for Psychedelic Research, Imperial College London, Faculty of Medicine, London, United Kingdom.
A strong therapeutic alliance enhances psychedelic experiences and improves depression outcomes. Building a solid relationship with therapists is key for effective psychedelic-assisted therapy, impacting both the acute experience and final results.
Area of Science:
- Psychiatry and Psychology
- Clinical Neuroscience
- Psychotherapy Research
Background:
- Therapeutic alliance is crucial in psychotherapy, yet its role in psychedelic-assisted therapy remains under-explored.
- This study investigates the interplay between therapeutic alliance, the psychedelic experience, and treatment outcomes in depression.
- A novel psychedelic therapy model,
- Accept-Connect-Embody
- (ACE), was utilized.
Purpose of the Study:
- To examine the relationship between therapeutic alliance and rapport in psychedelic-assisted therapy.
- To assess how therapeutic alliance influences the quality of acute psychedelic experiences (emotional breakthrough and mystical-type experiences).
- To determine the impact of therapeutic alliance and psychedelic experience on depression outcomes.
Main Methods:
- A 2-arm double-blind randomized controlled trial comparing escitalopram with psilocybin therapy for moderate-severe depression (N=59).
- Analysis focused on the psilocybin group (n=30) receiving two 25mg doses with psychological support.
- Path analyses were used to model the influence of therapeutic alliance (STAR-P) on emotional breakthrough (EBI) and mystical experiences (MEQ), and subsequent depression severity (QIDS-SR-16).
Main Results:
- Stronger therapeutic alliance positively predicted rapport, emotional breakthrough, and mystical-type experiences.
- Therapeutic alliance directly impacted final depression scores, independent of the acute psychedelic experience.
- A weaker alliance before the second psilocybin session predicted higher depression scores at endpoint.
Conclusions:
- Therapeutic alliance is a significant predictor of outcomes in psilocybin therapy for depression.
- The quality of the therapeutic relationship influences both the psychedelic experience and clinical results.
- Future research should explore therapist factors, participant characteristics, and adaptive therapeutic approaches for weaker alliances.
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The Therapeutic Alliance
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Psychodynamic Therapy
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