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Lindsay Billingsley

2 papers in the library · 2 citations · publishing 2025-2026

Papers

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Group Retreat Psilocybin Therapy for People with Metastatic Cancer with Symptoms of Anxiety and Depression: Safety and Efficacy Outcomes of a Phase 1/2 Study

Psychedelic Medicine January 18, 2026 Anthony L. Back, Bonnie A. Mcgregor, Leslie Lazar Thorn et al. 1 citation

Background: Psilocybin is a promising therapy for cancer-related distress, but existing individual treatment models are resource intensive. In this study, we designed and tested a group model of psilocybin therapy for people with metastatic cancer and cancer-related anxiety and depression. Method: Eligibility criteria included metastatic cancer, moderate-to-severe symptoms of anxiety or...

Group Retreat Psilocybin Therapy for People with Metastatic Cancer with Anxiety and Depression: A Rite of Passage Facilitation Model for a Phase 1/2 Study

Psychedelic Medicine December 23, 2025 Anthony L. Back, Bonnie A. Mcgregor, Lindsay Billingsley et al. 1 citation

Background: Psilocybin therapy is an emerging treatment for cancer-related anxiety, depression, and existential distress. Most clinical trials to date have studied individual models of psilocybin therapy, but group models may offer increased access and benefits of community. Purpose: This technical report describes a group facilitation model developed for an food and drug administration...