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Rapamycin - Effects on Alzheimer's and Cognitive Health

Active Not RecruitingPhase 2

Sponsor: The University of Texas Health Science Center at San Antonio

Conditions: Mild Cognitive Impairment, Alzheimer Disease

Interventions: Rapamycin, Placebo

Countries: United States

This study will evaluate the safety, tolerability, and feasibility of 12 month oral rapamycin treatment in older adults with amnestic mild cognitive impairment (aMCI) and early stage Alzheimer's disease (AD).

Eligibility overview

Sex: ALL

Age: 55 Years to 89 Years

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

1. Both genders and all ethnic groups
2. Ages 55 to 89 years
3. Diagnosis of MCI or AD (Mini Mental Status Examination (MMSE): 18-30; Clinical Dementia Rating Scale (CDR) = 0.5 - 1; California Verbal Learning Test III (CVLT-III) Delayed Recall ≤16% based on age-adjusted norms, clinician approval)
4. Amyloid positivity based on Amyloid PET Imaging
5. Labs: Normal blood cell counts without clinically significant excursions; normal liver and renal function; and glucose control (HbA1c \< 6.5%). Fasting lipid panel and prothrombin time/prothrombin time test/international normalized ration (PT/PTT/INR) within normal limits
6. A legally authorized representative (LAR) designated to sign informed consent (if necessary) must attend the Screening visit and accompany the participant to all remaining visits to provide reported outcomes
7. Stable dose of AD medications (Donepezil, rivastigmine, Memantine, galantamine) for at least three months is allowed

Exclusion Criteria:

1. Diabetes (HBA1c≥6.5% or antidiabetic medications)
2. History of skin ulcers or poor wound healing
3. Current tobacco or illicit drug use or alcohol abuse
4. Use of anti-platelet or anti-coagulant medications other than aspirin
5. Current medications that affect cytochrome 450 3A4 (CYP3A4)
6. Immunosuppressant therapy within the last year
7. Chemotherapy or radiation treatment within the last year
8. Current or chronic history of liver or kidney disease or known hepatic or biliary abnormalities
9. Untreated hypertriglyceridemia (fasting triglycerides \< 250 mg/dl)
10. Current or chronic history of pulmonary disease or abnormal pulse oximetry (\<90%)
11. Chronic heart failure
12. Pregnancy or lactation
13. Recent history (past six months) of myocardial infarction, active coronary artery disease, intestinal disorders, stroke, or transient ischemic attack
14. Significant neurological conditions other than AD or MCI
15. Poorly controlled blood pressure (systolic BP\>160, diastolic BP\>90 mmHg - based on two readings)
16. Active inflammatory, COVID-19, autoimmune, infectious, hepatic, gastrointestinal, malignant, and/or severe mental illness
17. History of, or MRI, or CT positive for, any space occupying lesion, including mass effect or abnormal intracranial pressure, which would indicate contraindications to lumbar puncture
18. Organ transplant recipients

Locations (1)

San Antonio, Texas, United States