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Heather Zwickey

Helfgott Research Institute, National University of Natural Medicine, Portland, OR USA.

4 papers in the library · 10 citations · publishing 2024-2026

Papers

Virtually delivered Mindfulness-Oriented Recovery Enhancement (MORE) reduces daily pain intensity in patients with lumbosacral radiculopathy: a randomized controlled trial.

Pain reports April 1, 2024 Ryan S Wexler, Devon J Fox, Danielle Zuzero et al. 6 citations

A virtual 8-week mindfulness-based program (MORE) reduced daily pain intensity in people with lumbosacral radiculopathy (sciatica) compared with usual care, but did not improve disability, depression, or quality of life. Participants in the mindfulness group also reported greater increases in mindful reinterpretation of pain and trait mindfulness. The authors suggest that fear-avoidance behaviors may explain why pain relief did not translate into reduced disability in this long-duration chronic pain sample.

Low-income group psilocybin assisted therapy for depression: An Oregon feasibility study

Journal of Psychedelic Studies February 12, 2026 Matthew Hicks, Olivia Hicks, Ryan Bradley et al. 2 citations

Group psilocybin therapy is feasible for low-income adults with depression in Oregon's regulated psilocybin program. In an open-label study, 20 participants began treatment and 19 completed two psilocybin administration sessions one week apart, with preparation and integration sessions online. No severe adverse events occurred; participants rated satisfaction 4.8 out of 5, reporting moderate to high benefit and no harm. Exploratory outcomes showed a significant decrease in Hamilton Depression scores with a strong effect size (Cohen's d = 1.89), and all eight domains of the PROMIS-29 significantly improved with effect sizes from 0.667 to 1.774. Further research with comparator groups is warranted.

Ketamine-Assisted Psychotherapy for Antisocial Personality Disorder: A Case Report.

Journal of psychoactive drugs January 7, 2025 Matthew R Hicks, Heather Zwickey, Ryan Bradley 2 citations

A 43-year-old man seeking treatment for alcoholism and depression was diagnosed with antisocial personality disorder. Over three years, a series of low-dose ketamine therapy sessions combined with integrative approaches led to resolution of severe alcoholism, a reduction in violent thoughts, and decreased depression symptoms. The case suggests that, with additional precautions, ketamine-assisted psychotherapy can produce clinical improvements in depression, alcohol abuse, and antisocial personality traits.

Gut-Mind Interactions in Psychedelic Healing: A Case Study Assessing the Effects of Huachuma and Ayahuasca on the Mind and Microbiome.

Journal of restorative medicine January 1, 2025 Payton Follestad, Patricia Filbin, Brice Thompson et al.

A 35-year-old woman with prior psychedelic experience took Ayahuasca and Huachuma (San Pedro cactus) in separate ceremonies. Both medicines sharply reduced her depression scores (Ayahuasca: from 18 to 6; Huachuma: from 12 to 2 on the Hamilton Depression Rating Scale) and increased her feelings of connectedness (Ayahuasca: from 62.3% to 95.37%; Huachuma: from 58.32% to 84.65% on the Watts Connectedness Scale). Stool samples showed that each medicine shifted the gut microbiome differently, but both reduced pro-inflammatory bacteria, normalized inflammation-linked species, and increased beneficial butyrate-producing bacteria. These microbial changes aligned with improved mood and reduced inflammation, suggesting that psychedelics may improve mental health partly through the microbiota-gut-brain axis.