CBD for Individuals at Risk for Alzheimer's Disease

NCT ID: NCT05822362

Last Updated: 2024-10-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

236 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-01-19

Study Completion Date

2029-04-30

Brief Summary

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This is a double-blind, randomized controlled trial designed to test the effects of cannabidiol (CBD) on validated biomarkers of Alzheimer's disease (AD) progression, and behavioral, neurocognitive, and clinical measures, with putative mechanisms of action.

Detailed Description

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To better understand the effects of hemp-derived CBD with and without a small amount of THC, we propose a Phase II randomized clinical trial (RCT) to examine the clinical effects of Full Spectrum CBD (fsCBD, contains less than 0.3% THC) vs. Broad Spectrum CBD (bsCBD, does not contain THC), vs. a matching placebo in a population of individuals diagnosed with mild cognitive impairment (MCI).

This is a double-blind, placebo-controlled, parallel group study designed to assess the efficacy of fsCBD and bsCBD, compared to a placebo control, on biomarkers of Alzheimer's disease progression, cognitive function, pain, sleep quality, anxiety, oxidative stress, and inflammation. If eligible for the study, subjects will be randomized to receive one of the conditions for 24 weeks.

The current study will test the hypothesis that a moderate dose of CBD will improve measures of Alzheimer's disease progression, cognitive function, pain, sleep quality, anxiety, oxidative stress, and inflammation as compared to placebo. The study will also test whether endocannabinoids mediate the effects of CBD on these outcomes.

Conditions

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Mild Cognitive Impairment

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

This is a double-blind, placebo-controlled, parallel group study.
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Full Spectrum Cannabidiol

200mg/day of full-spectrum cannabidiol, containing less than 0.3% THC.

Group Type ACTIVE_COMPARATOR

Cannabidiol

Intervention Type DRUG

The current study will directly test the hypothesis that a moderate dose of CBD improves markers of Alzheimer's progression, cognitive function, sleep, pain, anxiety, oxidative stress, and inflammation.

Broad Spectrum Cannabidiol

200mg/day of broad-spectrum cannabidiol, containing 0.0% THC.

Group Type ACTIVE_COMPARATOR

Cannabidiol

Intervention Type DRUG

The current study will directly test the hypothesis that a moderate dose of CBD improves markers of Alzheimer's progression, cognitive function, sleep, pain, anxiety, oxidative stress, and inflammation.

Hemp Seed Oil

200mg/day of hemp seed oil with no cannabinoids present.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Placebo arm.

Interventions

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Cannabidiol

The current study will directly test the hypothesis that a moderate dose of CBD improves markers of Alzheimer's progression, cognitive function, sleep, pain, anxiety, oxidative stress, and inflammation.

Intervention Type DRUG

Placebo

Placebo arm.

Intervention Type OTHER

Other Intervention Names

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CBD

Eligibility Criteria

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Inclusion Criteria

1. Must be between the ages of 55 - 85 and provide valid informed consent.
2. Participant must receive a diagnosis of Mild Cognitive Impairment after a careful cognitive and functional evaluation by a clinician.
3. Functional Activities Questionnaire (FAQ) score of 8 or less and self-reported ability to function independently
4. Montreal Cognitive Assessment (MoCa) score is between 18-25
5. Participant must have a CDR score of .5 on the Clinical Dementia Rating scale (CDR), which includes an assessment of function and is often used to distinguish MCI from dementia.
6. Must have an informant that will be utilized over the course of the 24 week study (must be the same person throughout study)
7. Participant must pass a test of consent comprehension
8. Must be interested in using CBD to help with cognitive function
9. Must plan on living in the Denver metro area over the next 6 months
10. Able to attend in-person visits at the study site

Exclusion Criteria

1. Any other central nervous system (CNS) disease that would be expected to affect cognition, Parkinson's disease, multiple sclerosis.
2. Any history of brain injury (e.g., concussion with significant loss of consciousness)
3. Any significant systemic illness or unstable medical condition
4. Current use of Parkinson's medications, antipsychotic medications, anti-seizure medications, or anticholinergic medications
5. Current or lifetime diagnosis of a schizophrenia spectrum disorder, psychotic disorder, bipolar disorder type I \& II, cluster B personality disorders (antisocial, borderline, narcissistic, histrionic), eating disorders, as defined by the DSM-5-TR
6. Participation in other clinical studies involving neuropsychological measures being collected more than one time per year.
7. Reported use of other drugs (cocaine, opiates, methamphetamine, MDMA) in the past 60 days or test positive on a urine test for those drugs of abuse at baseline.
8. Report using cannabis, including products with or without CBD, more than four times per month.
9. Recent history of, or meets criteria for major depression with suicidal ideation.
10. Reports use of medical CBD.
11. Liver function enzymes (AST, ALT) that are greater than 2x normal.
12. Currently taking medications known to be contraindicated with Epidiolex (buprenorphine, leflunomide, levomethadyl acetate, lomitapide, mipomersen, pexidartinib, propoxyphene, sodium oxybate, teriflunomide, clobazam, lamotrigine, valproate).
13. Pregnant at the time of study enrollment or unwilling to use contraception through the duration of the study (if not yet post-menopausal)
14. Individuals with potentially reversible causes of mild cognitive impairment (hypothyroidism, Vitamin B12 deficiency).
Minimum Eligible Age

55 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Colorado, Denver

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of Colorado - Anschutz Medical Campus

Aurora, Colorado, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Raeghan Mueller, PhD

Role: CONTACT

3037242210

Facility Contacts

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Raeghan Mueller, PhD

Role: primary

Mariah N Brown, MPH

Role: backup

Other Identifiers

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23-0619

Identifier Type: -

Identifier Source: org_study_id

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