Treatments for addressing psychiatric mental health issues in vulnerable patients with cancer are established. Yet, many patients persist with unrelenting psychological difficulties despite intervention. There is growing interest in the role of psilocybin-assisted psychotherapy for managing treatment-resistant mental health challenges in patients with cancer. Psilocybin is a naturally occurring compound derived from certain mushroom species that can induce entheogenic experiences or an altered state of consciousness. Reed's Self-Transcendence Theory provides a holistic lens to examine existential concerns and mental health in individuals who perceive their illness as potentially life threatening, such as those with cancer. This scoping literature review used Arksey and O’Malley's template to evaluate research examining psilocybin-assisted psychotherapy for patients with cancer. Eight articles met inclusion/exclusion criteria (four quantitative, two mixed methods, and two qualitative). Review findings indicated that the majority of patient experiences were positive, centering on themes of death acceptance, reflection, and broadened spirituality. Although psilocybin-assisted psychotherapy is in early stages of clinical testing, it thus shows promise for carefully screened patients with cancer who have persistent existential suffering. It will be critical for investigators to tailor this emerging intervention to select patients and for clinicians to be engaged in assessment of outcomes and efficacy.
Home-based informal caregiving by friends and family members of patients with cancer is becoming increasingly common globally with rates continuing to rise. Such caregiving is often emotionally and cognitively demanding, resulting in mental exhaustion and high perceived burden. Support for caregivers may be fostered by engagement with the natural environment. Interaction with nature is associated with mental health benefits such as stress reduction and improved wellbeing. The purpose of this paper was to evaluate the state of the science regarding the use of natural environment interventions to support caregivers of cancer patients in the community. A comprehensive scoping review using the Arksey and O’Malley framework and the Preferred Reporting Items for Systematic Reviews and Meta-analyses assessed natural environment therapies and mental health outcomes among cancer caregivers. Databases searched included CINAHL, PubMed, Scopus, Cochrane, and Alt HealthWatch. Findings recovered a total of five studies over a 10-year period that met criteria, demonstrating a lack of empirical evidence addressing this potential resource to support caregivers. Often, study appraisal was not on nature exposure, but rather other aspects of the projects such as program evaluation, exercise, or complementary therapies. Both qualitative and quantitative designs were used but sample sizes were small. Caregivers experienced beneficial results across the various studies and future work could enhance these findings.
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