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The PEARL Pilot is a phase II open-label trial. Participants will receive a single high-dose (25 mg) of psilocybin in the context of Psilocybin-assisted Existential, Attachment and RelationaL (PEARL) therapy.
Full description
Individuals with advanced cancer often experience high levels of distress due to physical suffering, difficult treatment decisions, social isolation, and fear of death. While there are many treatment options for the management of physical symptoms associated with cancer, there are relatively few standard treatment approaches to help patients deal with psychological and existential suffering. Over the past decade, research has shown that psychotherapies incorporating existential, attachment and relational approaches can address the specific needs and challenges of the advanced cancer population and thus help to reduce distress. Simultaneously, recent research has shown that psilocybin-assisted psychotherapy, in which, an individual ingests the psychoactive drug within the carefully monitored therapeutic setting, can reduce end-of-life distress and greatly benefit those with advanced disease. The multidisciplinary team has combined these two evidence-based approaches into what the team calls Psilocybin-assisted Existential, Attachment and RelationaL (PEARL) therapy. PEARL therapy combines elements from psilocybin-assisted psychotherapy, including preparatory therapy sessions, a high-dose drug session, and integration sessions, with important elements from manualized individual psychotherapies designed for patients with advanced cancer. This study will assess the feasibility, acceptability, and safety of PEARL therapy among patients with advanced cancer. This study will yield important information about the feasibility of this type of therapy and contribute to the growing research around the efficacy of psychedelic-assisted therapies. This type of therapy has the potential to improve quality of life among those with advanced disease and careful research is needed to build upon previous findings to outline the necessary components of therapy and guide public policy, legislation, and clinical guidelines.
Enrollment
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Inclusion criteria
>18 years of age.
Ability to speak and read English (patient to provide written informed consent and participate in PEARL intervention, as determined by study personnel).
Resident of Ontario.
No cognitive impairment indicated in medical record or by attending oncologist or palliative care physician.
Confirmed diagnosis of stage IV solid tumour cancers, sarcoma, endocrine, melanoma cancers, or stage 4 lymphoma with expected survival of greater than 6 months as determined by their oncologist or palliative care physician.
At least mild depressive symptoms, defined as >8 on the Patient Health Questionnaire-9 (PHQ-9) (Kroenke et la., 2001).
Interest in and ability to participate in and complete the PEARL intervention and protocol as outlined.
Participants who are sexually active and could become pregnant must be using effective birth control (per their physician), prior to study entry, during study participation, and for the duration of the study. Participants who are sexually active and could inseminate a partner must agree to use effective birth control after psilocybin administration until the end of study. For participants of child-bearing potential, a negative serum pregnancy test result is required at screening. A urine pregnancy test will be administered on the morning of psilocybin administration for applicable participants. Participants cannot be pregnant or nursing through the duration of the study.
If using prescribed medications or other substances, participants must agree to refrain from taking them if instructed by study investigators. These include:
Participants must have someone drive them after the session to where they are staying (home, hotel or another location), because psilocybin may affect their alertness and concentration on the evening of the dosing session.
Exclusion criteria
Of note, in suitable patients, these medications may be paused or tapered between study enrolment and prior to the start of the intervention when it is deemed safe to do so. A safe and appropriate tapering regimen will then be developed based on the particular medication, on a case-by-case basis. If taking an MAO inhibitor, the psilocybin session will not be conducted until at least 5 half-lives of the agent have elapsed after the last dose. Patients prescribed opioids will be allowed to take their usual dose regimen for analgesia, including the use of as needed analgesic medications on psilocybin session days.
Primary purpose
Allocation
Interventional model
Masking
15 participants in 1 patient group
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Central trial contact
Sarah Hales, MD
Data sourced from clinicaltrials.gov
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