Effects of Psilocybin in Post-Treatment Lyme Disease

NCT ID: NCT05305105

Last Updated: 2025-08-20

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: PHASE1
• Total Enrollment: 20 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2022-07-01
• Study Completion Date: 2025-04-07

Brief Summary

This study will examine the effects of psilocybin on Lyme disease symptom burden and quality of life in people with Post-Treatment Lyme Disease (PTLD).

Detailed Description

This pilot study will evaluate the therapeutic potential of psilocybin in people with well-documented current Post-Treatment Lyme Disease (PTLD). Study measures will assess the impact of psilocybin-assisted treatment on overall symptom burden and quality of life in 20 people with PTLD. This is an open-label proof-of-concept trial in which participants will complete an 8-week course of study treatment including two psilocybin sessions (15mg in week 4 and 15 or 25mg in week 6) with psychological support, and follow-up assessments 1, 3, and 6 months after the final psilocybin session.

Conditions

Post-Treatment Lyme Disease; Chronic Lyme Disease; Lyme Disease, Chronic

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Psilocybin

Participants will complete an 8-week course of study treatment including two doses of psilocybin with psychological support administered approximately 2 weeks apart.

Group Type: EXPERIMENTAL

Psilocybin

Intervention Type: DRUG

Dosing at the first session will be 15mg. For the second session participants will either remain at the initial dose, or increase to 25mg.

Interventions

Psilocybin

Dosing at the first session will be 15mg. For the second session participants will either remain at the initial dose, or increase to 25mg.

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

• ≥ 18 years of age.
• Capable of providing written informed consent for participation into the study.
• Willingness to allow the study team to review past medical records.
• At least one current PTLD-defining symptom (widespread pain, fatigue, or neurocognitive dysfunction) following completion of standard, recommended antibiotic therapy for treatment of Lyme disease, and that appeared in the first two years following first evidence of Lyme disease.
• Medical record documentation of meeting the Centers for Disease Control (CDC) case definition for clear diagnosis and treatment of early or late Lyme disease while living in a Lyme-endemic area. In other words, a history of physician-documented single or disseminated erythema migrans rash, late Lyme arthritis, or late Lyme neuropathy, OR Medical record documentation of meeting the CDC case definition for probable early or late Lyme disease. In other words, a history of abrupt onset of flu-like symptoms with or without a misdiagnosed rash, and concurrent positive serology while living in a Lyme-endemic area.
• Received treatment with a recommended course of antibiotics.
• Be medically stable as determined by screening for medical problems via a personal interview, a medical questionnaire, a physical examination, an electrocardiogram (ECG), and routine medical blood and urinalysis laboratory tests.
• Concurrent pharmacotherapy with selective serotonin reuptake inhibitors (SSRI), serotonin and norepinephrine reuptake inhibitors (SNRI), and/or bupropion is allowed if the type and frequency of the therapy has been stable for at least two months prior to screening. Allowable bupropion doses for participants will be ≤300mg/day.

Exclusion Criteria

• Meeting Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for moderate or severe substance use disorder (excluding tobacco) within the past 5 years.
• Currently taking antipsychotics, monoamine oxidase (MAO) inhibitors, or antidepressant medications other than SSRIs, SNRIs, or bupropion. Allowable bupropion doses for participants will be ≤300mg/day.
• Currently taking lithium or other primary centrally-acting serotonergic medications, whether over-the-counter or prescription (e.g., efavirenz, 5-hydroxytryptophan, St. John's wort).
• Cardiovascular conditions: angina, a clinically significant ECG abnormality (e.g. atrial fibrillation or corrected QT interval (QTc) >450msec), transient ischaemic attack (TIA) in the last 6 months, stroke, artificial heart valves, or uncontrolled hypertension with resting blood pressure systolic >139 or diastolic >89, or heart rate >90 bpm.
• Renal disease (creatinine clearance < 40 ml/min using the Cockcroft-Gault equation).
• Current or past history of meeting DSM-5 criteria for Schizophrenia, Psychotic Disorder (unless substance-induced or due to a medical condition), or Bipolar I or II Disorder.
• Family (i.e., 1st degree relative) history of Schizophrenia, Psychotic Disorder (unless substance-induced or due to a medical condition), or Bipolar I Disorder.
• Past-year hallucinogen use
• Received the Lyme vaccine when it was available (1998-2002).
• Development of unexplained chronic pain, chronic fatigue syndrome, fibromyalgia, autoimmune disease, or unexplained neurologic symptoms before first evidence of Lyme disease.
• Cancer or malignancy in the past 2 years.
• Epilepsy with history of seizures.
• Insulin-dependent diabetes; if taking oral hypoglycemic agent, then no history of hypoglycemia.
• Current dementia or related disorders including but not limited to, Alzheimer's Disease, vascular dementia, Lewy body dementia, and frontotemporal disorders.
• Current or past major immunosuppressive illness or medications.
• Currently pregnant or nursing.
• Currently of childbearing potential and not using effective methods of contraception.
• Not fluent in English.
• High risk for suicidal ideation or behavior (i.e., individuals who report suicidal ideation with intent or behavior on the Columbia-Suicide Severity Rating Scale (C-SSRS) at screening, or individuals with a suicide attempt within the past 3 years).

• Minimum Eligible Age: 18 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Steven & Alexandra Cohen Foundation

OTHER

Sponsor Role: collaborator

Usona Institute

OTHER

Sponsor Role: collaborator

Johns Hopkins University

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Albert Garcia-Romeu, PhD

Role: PRINCIPAL_INVESTIGATOR

Johns Hopkins University

Locations

Behavioral Pharmacology Research Unit

Baltimore, Maryland, United States

Countries

United States

References

Fallon BA, Zubcevik N, Bennett C, Doshi S, Rebman AW, Kishon R, Moeller JR, Octavien NR, Aucott JN. The General Symptom Questionnaire-30 (GSQ-30): A Brief Measure of Multi-System Symptom Burden in Lyme Disease. Front Med (Lausanne). 2019 Dec 6;6:283. doi: 10.3389/fmed.2019.00283. eCollection 2019.

Reference Type: BACKGROUND

PMID: 31867334 (View on PubMed)

Rebman AW, Bechtold KT, Yang T, Mihm EA, Soloski MJ, Novak CB, Aucott JN. The Clinical, Symptom, and Quality-of-Life Characterization of a Well-Defined Group of Patients with Posttreatment Lyme Disease Syndrome. Front Med (Lausanne). 2017 Dec 14;4:224. doi: 10.3389/fmed.2017.00224. eCollection 2017.

Reference Type: BACKGROUND

PMID: 29312942 (View on PubMed)

Related Links

http://hopkinspsychedelic.org/lyme

Online Study Screener

Other Identifiers

132642

Identifier Type: OTHER

Identifier Source: secondary_id

IRB00281685

Identifier Type: -

Identifier Source: org_study_id