Cedars-Sinai Medical Center
The study aims to evaluate the safety, feasibility, and preliminary efficacy of the fasting-mimicking diet (FMD) or low-dose daily rapamycin treatment relative to a matched placebo control group when administered over 8 weeks in middle-aged adults at elevated risk for Alzheimer's disease due to the apolipoprotein (APOE) ε4 allele. Participants randomly assigned to the FMD intervention will adhere to FMD for 5-days over three cycles for a period of approximately 8 weeks. Participants randomly assigned to the rapamycin and placebo groups will take 1 mg of rapamycin or a matched placebo pill daily for approximately 8 weeks.
Participants assigned to the FMD arm will adhere to the diet for 5 days over three cycles for a period of 8 weeks. The FMD diet is produced by L-Nutra and provides 1100 kcals on day 1 and 800 kcals on days 2-5. The diet consists of ingredients which are Generally Regarded As Safe (GRAS) selected for their fasting mimicking properties. Participants randomized to the rapamycin group will receive 1 mg rapamycin daily for 8 weeks and those in the placebo arm will take one matched placebo pill daily for 8 weeks.
Inclusion Criteria: 1. Provision of signed and dated informed consent form 2. Stated willingness to comply with all study procedures and availability for the duration of the study 3. Male or female, aged 45-65 years at screening 4. Carrier of at least one copy of the APOE e4 allele 5. BMI 20-39kg/m2 (inclusive) at screening 6. On a stable medication regimen for at least 3 months. 7. For females: Post-menopausal status or use of highly effective contraception. Exclusion Criteria: * Has any medical disease or condition that, in the opinion of the principal investigator (PI) or appropriate stu…
FMD is a plant-based ketogenic diet that provides essential nutrients while maintaining hypo-caloric content. FMD is administered cyclically with 3-5 consecutive days of the diet followed by resumption of normal eating.
Participants randomly assigned to the rapamycin arm will take 1 mg of rapamycin daily for approximately 8 weeks..
Participants randomly assigned to the placebo arm will take one placebo pill daily for approximately 8 weeks.
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