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Short Term Sirolimus Treatment and MRI of the Brain

University of Missouri (MU) logo

University of Missouri (MU)

Status and phase

Enrolling
Phase 1

Conditions

Healthy Volunteers
Genetic Predisposition to Disease

Treatments

Drug: Sirolimus

Study type

Interventional

Funder types

Other

Identifiers

NCT05386914
2091042

Details and patient eligibility

About

Alzheimer's disease is a devastating neurodegenerative disease characterized by accumulation of clumps (also called plaques) and bundles of fibers (also called tangles) in the brain, for which there is currently no cure. Sirolimus is an FDA-approved medication which may improve the blood flow to the brain. This study is designed to see if sirolimus treatment improves MRI blood flow to the brain in individuals with and without a genetic predisposition to Alzheimer's disease.

Enrollment

105 estimated patients

Sex

All

Ages

45 to 65 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

    1. Age 45-65 y/o
    1. Male or female, all ethnic groups
    1. Montreal Cognitive Assessment (MoCA) score greater than or equal to 26
    1. Clinical Dementia Rating (CDR) Staging Instrument = 0
    1. Carrier Cohort: APOE4 homozygous or heterozygous
    1. Non-Carrier cohort: no APOE4 gene identified

Exclusion criteria

    1. Diagnosis of mild cognitive impairment (MCI) or dementia, including Alzheimer's disease
    1. BMI ≥35 (based on MRI feasibility)
    1. Diabetes (HBA1c≥6.5% or antidiabetic medications)
    1. History of skin ulcers or poor wound healing
    1. Current tobacco or illicit drug use or alcohol abuse (defined as ≥4 per day or ≥14 per week for men and ≥3 per day or ≥7 per week for women) (Per NIAAA guidelines)
    1. Use of anti-platelet or anti-coagulant medications other than aspirin
    1. Current medications that affect cytochrome P450 3A4 (CYP3A4)
    1. Immunosuppressant therapy within the last year
    1. Chemotherapy or radiation treatment within the last year
    1. Current or chronic history of liver or kidney disease or known hepatic or biliary abnormalities
    1. Untreated hypertriglyceridemia (fasting triglycerides < 300 mg/dl)
    1. Current or chronic significant history of pulmonary disease
    1. Chronic heart failure
    1. Pregnancy or lactation
    1. Recent history (past six months) of myocardial infarction, active coronary artery disease, intestinal disorders, stroke, or transient ischemic attack
    1. Poorly controlled blood pressure (systolic BP>160 or diastolic BP>100 mmHg)
  • 17.Active inflammatory, Coronavirus (COVID-19), autoimmune, infectious, hepatic, gastrointestinal, malignant, and/or severe mental illness
    1. History of, or MRI, or CT positive for, any space occupying brain lesion, including mass effect or abnormal intracranial pressure
    1. Organ transplant recipients
    1. History of Stroke
    1. History of ruptured intracranial aneurysm
    1. Any condition for which a MRI procedure is contraindicated. Some examples include: metallic material in the body, such as pacemakers, metallic clips, etc.
    1. Likelihood of claustrophobia

Trial design

Primary purpose

Basic Science

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

105 participants in 2 patient groups

Carrier APOE4
Experimental group
Treatment:
Drug: Sirolimus
Non-Carrier APOE4
Other group
Treatment:
Drug: Sirolimus

Trial contacts and locations

1

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Central trial contact

Jessica Overschmidt; Joanne Cassani

Data sourced from clinicaltrials.gov

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