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Psychedelic

Psilocybin therapy for Anxiety (PDP Trial)

Phase 2
Waitlist Available
Research Sponsored by Joshua Woolley, MD/PhD
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Age 40 to 75
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up baseline to 3 months following last drug dose
Awards & highlights

PDP Trial Summary

This trial will test whether psilocybin is safe and tolerable for people with Parkinson's disease, and whether it can help relieve their depression and anxiety.

Who is the study for?
This trial is for English-speaking adults aged 40-75 with early-stage Parkinson's Disease (stages 1-3) who are experiencing depression or anxiety. Participants must be able to attend visits at UCSF, have a support person, and an established healthcare provider. Those with severe health conditions, cognitive impairments, psychotic symptoms, or on certain medications like dopamine agonists and MAO inhibitors cannot join.Check my eligibility
What is being tested?
The study is examining the safety and effectiveness of psilocybin therapy as a treatment for depression and anxiety in individuals with Parkinson's disease. It aims to understand if this therapy can be tolerated well by patients and how feasible it is as a treatment option.See study design
What are the potential side effects?
While not explicitly listed here, potential side effects may include temporary changes in perception, mood swings, dizziness, nausea or headaches during the immediate period following psilocybin administration.

PDP Trial Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I am between 40 and 75 years old.

PDP Trial Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~baseline to 3 months following last drug dose
This trial's timeline: 3 weeks for screening, Varies for treatment, and baseline to 3 months following last drug dose for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Recruitment rate
Retention rate
Safety and tolerability of psilocybin therapy for depression and anxiety in people with PD
+1 more
Secondary outcome measures
Effects of psilocybin therapy on anxiety in people with PD (exploratory)
Effects of psilocybin therapy on depression in people with PD (exploratory)
Effects of psilocybin therapy on self-reported Cognitive Function (exploratory)
+8 more

PDP Trial Design

1Treatment groups
Experimental Treatment
Group I: Psilocybin therapyExperimental Treatment1 Intervention
Participants will receive one or two doses of psilocybin in a monitored setting approximately two weeks apart, with preparation sessions before and integration sessions after.

Find a Location

Who is running the clinical trial?

Joshua Woolley, MD/PhDLead Sponsor
1 Previous Clinical Trials
30 Total Patients Enrolled
Ellen Bradley, MDStudy DirectorUniversity of California, San Francisco

Media Library

Psilocybin Therapy (Psychedelic) Clinical Trial Eligibility Overview. Trial Name: NCT04932434 — Phase 2
Anxiety Research Study Groups: Psilocybin therapy
Anxiety Clinical Trial 2023: Psilocybin Therapy Highlights & Side Effects. Trial Name: NCT04932434 — Phase 2
Psilocybin Therapy (Psychedelic) 2023 Treatment Timeline for Medical Study. Trial Name: NCT04932434 — Phase 2
Anxiety Patient Testimony for trial: Trial Name: NCT04932434 — Phase 2

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Who else is applying?

What state do they live in?
Colorado
Texas
Other
California
How old are they?
18 - 65
65+
What site did they apply to?
University of California, San Francisco
What portion of applicants met pre-screening criteria?
Met criteria
Did not meet criteria
How many prior treatments have patients received?
0
3+

Why did patients apply to this trial?

anxiety is a major component of my parkinson's and I have. When my anxiety is under control my symptoms are almost non-existent.
PatientReceived no prior treatments
I've tried several anti-depressants but nothing worked for longer than 3-4 weeks.
PatientReceived 1 prior treatment
I believe that all of my medical records point to me having a early onset of a movement disorder syndrome.
PatientReceived 2+ prior treatments
As I face the challenges of aging, I want more stable moods, a more spiritual orientation and self-awareness.
PatientReceived 2+ prior treatments

What questions have other patients asked about this trial?

would we be able to do a zoom screening? How many visits, of what length, to the research site are required?
PatientReceived 1 prior treatment

How responsive is this trial?

Typically responds via
Email
Most responsive sites:
  1. University of California, San Francisco: < 48 hours
Average response time
  • < 2 Days
Recent research and studies
~3 spots leftby Apr 2025