Psilocybin Assisted Psychotherapy for Depression and Drug Addiction

Not yet recruiting at 1 trial location
HC
SK
Overseen BySusan K Conroy, MD
Age: 18+
Sex: Any
Trial Phase: Phase 1 & 2
Sponsor: Indiana University
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests whether a single dose of psilocybin, combined with therapy, can safely treat depression and drug addiction in veterans and first responders. Researchers will administer one of three psilocybin doses (5mg, 10mg, or 25mg) to participants to observe its effects on depression and substance use over six weeks. They also aim to understand how psilocybin impacts the brain. Veterans or first responders with treatment-resistant depression and substance use issues may be suitable candidates. As a Phase 1 and Phase 2 trial, this study seeks to understand how the treatment works and measure its effectiveness in an initial group, offering participants a chance to contribute to groundbreaking research.

Do I need to stop my current medications for the trial?

You may not need to stop your current medications if they are not contraindicated (unsafe to use) with psilocybin and your dose has been stable for 6 months. The study physician will determine if your medications are safe to continue.

Is there any evidence suggesting that this trial's treatments are likely to be safe?

Research has shown that psilocybin, when combined with therapy, is generally safe for most people. A study of 117 individuals, many with serious illnesses, found that psilocybin with therapy may be safe. Some studies have reported side effects, usually mild or moderate, while serious side effects remain rare.

Another study involving individuals with Alcohol Use Disorder showed promising results, with many reducing or stopping alcohol use after taking psilocybin. This suggests the treatment is manageable for many.

In tests for depression, a single 25 mg dose of psilocybin significantly reduced depression scores. Although there were some safety concerns, the treatment was still considered tolerable for most participants.

Overall, psilocybin has demonstrated potential benefits with a manageable safety profile, especially when used in a controlled setting with therapy.12345

Why are researchers excited about this trial's treatments?

Unlike traditional treatments for depression and addiction, which often rely on antidepressants or behavioral therapy, psilocybin offers a novel approach by using a naturally occurring psychedelic compound. Psilocybin works by targeting serotonin receptors in the brain, potentially leading to profound changes in mood and perception with just a single dose. This rapid action contrasts with many current treatments that require weeks to show benefits. Researchers are particularly excited about its potential to provide long-lasting effects with minimal doses, offering hope for more effective and efficient management of these challenging conditions.

What evidence suggests that this trial's treatments could be effective for treatment-resistant depression and substance use disorder?

Research has shown that therapy using psilocybin, a compound found in certain mushrooms, can significantly reduce symptoms of depression and substance use disorder (SUD). One study found that a single dose of psilocybin, combined with psychological support, quickly reduced depression symptoms within eight days. Another study discovered that psilocybin helped 67% of participants remain free from depression for at least five years. Additionally, psilocybin-assisted therapy has produced positive results for individuals dealing with addiction, improving their symptoms in several clinical trials. These findings suggest that psilocybin may be an effective treatment for both depression and SUD. Participants in this trial will receive varying doses of psilocybin to further explore its potential benefits.23567

Who Is on the Research Team?

SK

Susan K Conroy, PhD

Principal Investigator

Indiana University

Are You a Good Fit for This Trial?

This trial is for veterans or first responders aged 18-70 who have major depression that hasn't improved with at least two antidepressants, and also have moderate to severe problems with alcohol, cocaine, opioids/heroin, or cannabis. Participants must be in good health and able to undergo MRI scans.

Inclusion Criteria

I am a veteran or first responder, aged 18-70, with treatment-resistant depression and moderate to severe use of one main substance.

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2 weeks
2 visits (in-person)

Preparatory Psychotherapy

Participants undergo three preparatory psychotherapy sessions with a certified psilocybin counselor

3 weeks
3 visits (in-person)

Psilocybin Administration

Participants receive a single dose of psilocybin (5mg, 10mg, or 25mg) during an 8 to 10 hour session

1 day
1 visit (in-person)

Integrative Psychotherapy

Participants engage in three weekly integrative psychotherapy sessions following psilocybin administration

3 weeks
3 visits (in-person)

Follow-up

Participants are monitored for safety and effectiveness after treatment, including daily assessments and brain scans

6 weeks
Daily assessments (remote), 2 brain scans (in-person)

What Are the Treatments Tested in This Trial?

Interventions

  • Psilocybin

Trial Overview

The study tests if a single dose of psilocybin (5mg, 10mg, or 25mg) combined with psychotherapy can safely reduce depression and substance use symptoms over six weeks. All participants receive therapy sessions before and after the psilocybin session.

How Is the Trial Designed?

3

Treatment groups

Experimental Treatment

Group I: Psilocybin Dose - ModerateExperimental Treatment1 Intervention
Group II: Psilocybin Dose - LowExperimental Treatment1 Intervention
Group III: Psilocybin Dose - HighExperimental Treatment1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

Indiana University

Lead Sponsor

Trials
1,063
Recruited
1,182,000+

Citations

Therapeutic effect of psilocybin in addiction: A systematic review

All four clinical trials indicated a beneficial effect of psilocybin-assisted therapy on SUD symptoms. Larger RCTs in patients with SUDs need to evaluate ...

Efficacy and Safety of Psilocybin in Treatment-Resistant ...

Importance Psilocybin shows promise in treating depression, although limitations of previous research warrant further research. Objective To ...

Psychedelics Research and Psilocybin Therapy

Previous studies by Johns Hopkins Medicine researchers showed that psychedelic treatment with psilocybin relieved major depressive disorder symptoms in adults ...

Efficacy and Safety of a Single Dose of Psilocybin for ...

A single psilocybin dose with psychological support was associated with rapid, large, and durable reductions in suicidal ideation and ...

A systematic review and meta-analysis of psilocybin therapy

The meta-analysis results indicate that psilocybin has an outstanding capacity to reduce the symptoms of anxiety/MDD (SMD = −1.438, 95 % CI: − ...

Psilocybin for Mental Health and Addiction: What You ...

A 2020 analysis of 4 small studies in 117 people, most with life-threatening cancer, concluded that psilocybin combined with psychotherapy may be safe and ...

Real-world effectiveness and safety of psychedelic ...

Psychedelic treatment data from 115 compassionate use patients were reported. •. Psychedelic-assisted psychotherapy significantly reduced depression and anxiety ...