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Soothing Pain After ChEmotherapy: Psilocybin As INtervention (SPACE-PAIN) — a randomized controlled pilot trial

Phase 2
Not yet recruiting
Conditions
chemotherapy-induced peripheral neuropathy, chronic neuropathic pain
Registration Number
2024-516936-93-02
Lead Sponsor
Amsterdam UMC
Brief Summary

Our primary objective is to assess feasibility and preliminary efficacy of psilocybin as a novel therapy for patients with chemotherapy-induced chronic neuropathic pain, specifically to improve pain-related interference with daily functioning.

Detailed Description

Not available

Recruitment & Eligibility

Status
Authorised, recruitment pending
Sex
Not specified
Target Recruitment
50
Inclusion Criteria

Adult (at least 18 years old)

Chronic neuropathic pain after chemotherapy

Inclusion at least six months after diagnosis of chemotherapy-induced peripheral neuropathy, as determined by the clinical investigator

A self-reported average pain intensity of at least 4 on the 11-point Numeric Rating Scale (0=no pain to 10=worst pain imaginable) the week before assessment of inclusion criteria

A stable pain treatment regimen before inclusion (no changes in pain medication for at least two weeks prior)

Able to read/write/understand Dutch

Availability of a friend or family member who can accompany the patient home after treatment

Exclusion Criteria

A personal or first-degree relative history of schizophrenia spectrum or other psychotic disorders including bipolar disorders

Incapacitated without decision-making capacity according to the treating physician

Probable post-traumatic stress disorder (PTSD), defined by a score>33 on the PTSD Checklist for the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (PCL-5)

Active suicidal intent, defined by a score>3 on the C-SSRS

Any doubt on active drugs or alcohol use at the day of the intervention as judged by the supervising therapist

Any doubts about patient alcohol or drugs abuse or increased risk of relapse as judged by the supervising therapist after the psychological safety evaluation

Any doubts about patient safety as judged by the supervising therapist after the psychological safety evaluation

Use of a monoamine oxidase inhibitor and/or lithium

Use of clinically relevant known UDP-glucuronosyltransferase (UGT) enzyme modulators. This includes anti-epileptics (such as valproate, phenytoin, and lamotrigine, but specifically not including pregabalin) and rifampicin.

Pregnancy and/or breastfeeding

A psychedelic experience with a classic psychedelic (psilocybin, LSD, mescaline, or DMT/ayahuasca) in the past year

Known allergy or intolerance to psilocybin

Documented alcohol or drugs abuse and/or based on clinical opinion of the treating physician

Uncontrolled hypertension with a documented systolic blood pressure >180 mmHg

Planned surgery during the trial period

Study & Design

Study Type
Not specified
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Patient recruitment and retention rates, and completeness of outcome data. We will also assess which factors impact participation. Based on this, barriers to recruitment can be identified and addressed.

Patient recruitment and retention rates, and completeness of outcome data. We will also assess which factors impact participation. Based on this, barriers to recruitment can be identified and addressed.

Patient expectancy, measured with the 6-item Dutch Stanford Expectations of Treatment Scale (SETS).

Patient expectancy, measured with the 6-item Dutch Stanford Expectations of Treatment Scale (SETS).

Assessment of mystical experience, measured with the 30-item Mystical Experience Questionnaire (MEQ).

Assessment of mystical experience, measured with the 30-item Mystical Experience Questionnaire (MEQ).

Assessment of emotional breakthrough, measured with the 6-item Emotional Breakthrough Inventory (EBI).

Assessment of emotional breakthrough, measured with the 6-item Emotional Breakthrough Inventory (EBI).

Assessment of psychological insight, measured with the 7-item Psychological Insight Scale (PIS).

Assessment of psychological insight, measured with the 7-item Psychological Insight Scale (PIS).

Blinding success.

Blinding success.

Adverse events, reported by patient or observed by study staff.

Adverse events, reported by patient or observed by study staff.

Secondary Outcome Measures
NameTimeMethod
Health-related quality of life, measured with the 5-item EQ5D.

Health-related quality of life, measured with the 5-item EQ5D.

Cancer-related quality of life, measured with the 30-item EORTC-QLQ-C30.

Cancer-related quality of life, measured with the 30-item EORTC-QLQ-C30.

Pain interference, measured with the 8-item PROMIS Pain Interference Short Form v1.1 8a.

Pain interference, measured with the 8-item PROMIS Pain Interference Short Form v1.1 8a.

Current pain intensity, measured with the single-item Numeric Rating Scale (NRS).

Current pain intensity, measured with the single-item Numeric Rating Scale (NRS).

Average pain intensity in the last 24 hours, measured with the single-item Numeric Rating Scale (NRS).

Average pain intensity in the last 24 hours, measured with the single-item Numeric Rating Scale (NRS).

Pain catastrophizing, measured with the 13-item Pain Catastrophizing Scale (PCS).

Pain catastrophizing, measured with the 13-item Pain Catastrophizing Scale (PCS).

Current pain medication use, including opioids in morphine-equivalents. Extracted from the electronic health record or collected via interview.

Current pain medication use, including opioids in morphine-equivalents. Extracted from the electronic health record or collected via interview.

Physical function, measured with the 6-item PROMIS Physical Function Short Form v2.0 6b.

Physical function, measured with the 6-item PROMIS Physical Function Short Form v2.0 6b.

Sleep disturbance, measured with the 6-item PROMIS Sleep Disturbance Short Form v1.0 6a.

Sleep disturbance, measured with the 6-item PROMIS Sleep Disturbance Short Form v1.0 6a.

Depression, measured with the 6-item PROMIS Depression Short Form v1.0 6a.

Depression, measured with the 6-item PROMIS Depression Short Form v1.0 6a.

Anxiety, measured with the 6-item PROMIS Anxiety Short Form v1.0 6a.

Anxiety, measured with the 6-item PROMIS Anxiety Short Form v1.0 6a.

Fatigue, measured with the 6-item PROMIS Fatigue Short Form v1.0 6a.

Fatigue, measured with the 6-item PROMIS Fatigue Short Form v1.0 6a.

Satisfaction with social roles, measured with the 6-item PROMIS Satisfaction with Social Roles Short Form v2.0 6a.

Satisfaction with social roles, measured with the 6-item PROMIS Satisfaction with Social Roles Short Form v2.0 6a.

CIPN-related quality of life, measured with the 20-item EORTC-QLQ-CIPN20.

CIPN-related quality of life, measured with the 20-item EORTC-QLQ-CIPN20.

Global perceived effect, measured with the 2-item Global Perceived Effect (GPE).

Global perceived effect, measured with the 2-item Global Perceived Effect (GPE).

Trial Locations

Locations (1)

VUmc Stichting

🇳🇱

Amsterdam, Netherlands

VUmc Stichting
🇳🇱Amsterdam, Netherlands
Markus Hollmann
Site contact
+31205669111
m.w.hollmann@amsterdamumc.nl

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