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Assessing the Efficacy of Micro-dosed Psilocybin on Reducing Anxiety & Depression Levels in Adults

Randomized Double Blind Placebo Controlled Assessing the Efficacy of Micro-dosed Psilocybin in Reducing Anxiety and or Depression Levels in Adults

Status
Withdrawn
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04989972
Enrollment
0
Registered
2021-08-04
Start date
2022-09-15
Completion date
2023-08-31
Last updated
2022-06-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anxiety and Depression

Brief summary

To investigate the efficacy of a 16 week treatment with PSIL428 patient reported anxiety levels in otherwise healthy individuals suffering from depression and or anxiety symptoms.

Detailed description

Randomized, double-blind, placebo-controlled study assessing the efficacy of micro-dosed psilocybin on reducing anxiety and/or depression levels in adults Study summary: The Institute for Health Metrics and Evaluation reported that Anxiety disorders currently affect an estimated 275 million people worldwide, about one in 13 people (7.3 percent). COVID-19 has accelerated the rate of new anxiety diagnoses and exacerbated pre-existing diagnoses of anxiety in individuals worldwide. The effectiveness of full dose psilocybin for treatment of anxiety and depression has been shown in a number of clinical trials. While there is a significant evidence of clinical efficacy of full dose psilocybin, acute effects of the dose result in a significant impairment - perceptual and sensory distortions incapacitating the patient for the duration of drug activity. Recent work suggests while not producing perceptual changes, micro-dosing may indeed be associated with improved mood and enhanced well-being. The practice of micro-dosing is gaining popularity in the general population, while clinical data on its safety and efficacy is lacking. This will be a novel randomized, double-blind, placebo-controlled study aimed at establishment of safety and anxiolytic efficacy of psilocybin PSIL428 administered in a micro-dosing regimen (2-5% of a full therapeutic dose) to adults suffering from depression or anxiety. The primary outcome of this study is the change in anxiety and/or depression levels from screening to week 16. Participant anxiety levels will be monitored through Beck Anxiety inventory, depression levels - through Beck Depression Inventory forms on a bi-weekly basis across the course of the study. Study Drug PSIL428 is an experimental intervention and the active ingredient psilocybin is botanically derived. Similar interventions are currently undergoing Phase IIb/III clinical trials in international jurisdictions. It is being assessed for treatment of depressive disorders. Typically psilocybin used in full therapeutic doses associated with significant acute adverse effects. The proposed trial would utilize psilocybin in different dosing regimen - as micro-dosing - ingesting of sub-perceptual doses of the drug equal to 2-10% of the full dose. The micro-dosing practice is gaining significant popularity world-wide, however evidence-based data around it is minimal. Risks and benefits associated with the trial are not definitively established, however existing pre-clinical and clinical data around full-dose use of the drug carries a favorable risk-benefit potential. The trial will be conducted in accordance with the most recently acceptable version of the Declaration of Helsinki, Good Clinical Practice (GCP) according to International Conference on Harmonization (ICH) guidelines, and applicable Standard Operating Procedures (SOPs). The trial will be conducted under a protocol reviewed and approved by an IRB; the trial will be conducted by scientifically and medically qualified persons; the benefits of the study are in proportion to the risks; the rights and welfare of the subjects will be respected; each subject will give his or her written informed consent before any protocol-driven tests or evaluations are performed. The investigators are responsible for obtaining informed consent in adherence to GCP and according to applicable regulations prior to entering the subject into the trial. A positive change in Beck Anxiety and/or Beck Depression numeric levels between PSIL428 and placebo groups will mark our primary outcome achievement of confirming beneficial effects of micro-dose-administered psilocybin on study participants' overall anxiety and/or depression levels

Interventions

DRUGPSIL428

1 mg of psilocybin

DIETARY_SUPPLEMENTOyster mushroom

1 mg of oyster mushroom

Sponsors

Professor Roger Gibson Section of Psychiatry Faculty of Medical Sciences UWI
CollaboratorUNKNOWN
Wake Network, Inc.
Lead SponsorNETWORK

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Masking description

double blind

Intervention model description

The research design has a parallel design for the first 8 weeks and a open label single group study for the last 8 weeks

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* Experiencing persistent anxiety and/or depression symptoms * Scoring between 10-20 on BAI and/or between 15-25 on BDI-II * Females and males with the minimum age of 18 at screening; * Not of child bearing potential, which is defined as females who have had hysterectomy or oophorectomy, bilateral tubal ligation or are post-menopausal (natural or surgically with 1 year since last menstruation) OR * Female participants of childbearing potential must agree to use a medically approved method of birth control and have a negative urine pregnancy test result, prior to enrollment. All hormonal birth controls require a minimum stability of three months and remain consistent throughout the study. Acceptable methods of birth control include: * Hormonal contraceptives; oral, hormone patch (Ortho Evra), vaginal ring (NuvaRing), injectable (Depo-Provera, Lunelle), or hormone implant (Norplant System) * Double-barrier method * Intrauterine devices * Non-heterosexual lifestyle or agrees to use contraception if planning on changing to heterosexual partner(s) * Vasectomy of partner (shown successful as per appropriate follow-up); * Willing to maintain current levels of activity throughout the study; * Healthy as determined by self-report and medical history; * Willingness to complete all study visits and requirements associated with the study; * Has access to a computer, tablet, or smart phone with internet connection; sufficiently comfortable with using app-based technology for data gathering; * Has given voluntary, written, informed consent to participate in the study.

Exclusion criteria

* Individuals who are pregnant, breastfeeding, or planning to become pregnant. * Individuals with psychotic disorders including schizophrenia; bipolar disorder. personality disorder. Participants with 1st-degree relatives with related psychotic disorders. * Alcohol or drug abuse within the last 6 months that meets the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) criteria. * Participation in a clinical research study within 30 days of enrollment. * Allergy or sensitivity to study product ingredients. * Clinically significant abnormal laboratory results at screening. * Unstable medical conditions as assessed by the Principal Investigator. * Individuals who are cognitively impaired and/or unable to give informed consent. * Any other condition which in the Principal Investigator's opinion may adversely affect the participant's ability to complete the study or its measures or which may pose significant risk to the participant. * Individuals who have taken a psychedelic drug (Psilocybin, DMT, Peyote, Ayahuasca, Ibogaine, LSD, Ketamine) within 60 days of screening.

Design outcomes

Primary

MeasureTime frameDescription
Changes in Beck Anxiety Inventory BAIScreening to week 16Measures 21 items in physical and cognitive anxiety ranges 0-7 mild, to 26-63 severe Questionnaire BDI-11
Changes in Beck Depression Inventory 02 - BDI-IIscreening to week 16Measures 21 items in the presence and severity of depressive symptoms 0-9 no depression, 10 -18 mild depression, 19-29 moderate to severe depression

Secondary

MeasureTime frameDescription
Changes in resilience using the Brief Resiliency ScaleScreening to 16 weeksassesses the ability of the individual to bounce back or recover from stress a score of one means low resiliency and a score of 5 means high resiliency
Measurement of higher level cognitive processes using the Wisconsin Card Sorting Testscreen to 16 weeksUses two card packs, having 4 stimulus cards and 64 response cards measures attention, perseverance , abstract thinking and set shifting.
The incidence of adverse eventsScreening to 16 weeksThe number of reported cases of adverse events
The severity of adverse eventsScreening to 16 weeksAdverse events which range from mild,moderate, severe and lethal
Incidence of abnormal blood pressureScreening to 16 weeksBlood pressure which is consistently above and below120/80
Incidence of abnormal heart rateScreening to 16 weeksThe incidence of atrial fibrillation, supraventricular tachycardia or bradycardia
incidence of irregular heart rateScreening to 16 weeksincidence of arrhythmias
incidence of suicidal ideation using the Columbian Suicide Severity Rating ScaleScreening to 16 weeksMeasures Suicidal Ideation items 1-5; Suicidal Behavior 6-10 and both Suicidal Ideation and Behavior Items 1-10
Change in the number of stepsScreening to Week 16Wearable and or mobile devices
Changes in concomitant medicationScreening to 16 weeksRecently prescribed medication
Changes in volume of Alcoholscreening to 16 weeksself reports
Change in the European Quality of life 5 dimensions- EQ-5Dscreening to week 16changes between the intervention PSIL-428 and placebo groups for mobility, self-care, pain & discomfort, usual activities and anxiety & depression
Changes in the number of cannabis jointsScreening to 16 weeksSelf reports
Changes in other over the counter medicationScreening to 16 weeksSelf Reports
Changes in EstradiolScreening to 16 weeksSalivary panel profile values
Changes in TestosteroneScreening to 16 weeksSalivary panel profile vales
Changes in CortisolScreening to 16 weeksSalivary panel profile values
Changes in ProgesteroneScreening to 16 weeksSalivary panel profiles values
Changes in MelatoninScreening to 16 weeksSalivary panel profile values
Changes in DHEA (Dehydroepiandrosterone)Screening to 16 weeksSalivary panel profile values
Changes in DHT(Dihydrotestosterone)Screening to 16 weeksSalivary panel profile values
Changes in AndrostenedioneScreening to 16 weeksSalivary panel profile values
Changes in EstroneScreening to 16 weeksSalivary panel profile values
Changes in the number of cigarettesscreening to 16 weeksself reports
Cognitive flexibility, using the Stroop Color & Word Test (SCWT)Screening to week 16Changes in cognition between the PSIL-428 and placebo groups in the reading of words as compared to identifying & naming colors. A stopwatch is used and the test-taker reads color words or names ink colors from different pages as quickly as possible. An interference score, cognitive flexibility, creativity and reaction to cognitive pressure are measured

Countries

Jamaica

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026