๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-02-04

A Nutritional Intervention for Body, Brain, and Longevity Effects (NIBBLE) (NCT06682767)

๐ŸŸก Not Yet Recruiting Observational / Diagnostic ๐Ÿง  Behavioral & Psychological Program Sponsor: Cedars-Sinai Medical Center

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

The study aims to evaluate the safety, feasibility, and preliminary efficacy of six-month fasting-mimicking (FMD) relative to Dietary Guidance intervention in middle-aged adults at elevated risk for Alzheimer's disease due to the apolipoprotein (APOE) ฮต4 allele. Participants randomly assigned to the FMD intervention will consume a FMD for 5-days each month over a period of 6-months.

Who can join: To join this study, participants generally need to meet the listed inclusion criteria (6 items) and avoid the listed exclusions (21 items).

Location: Cedars Sinai Medical Center โ€” Los Angeles, California

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Check every box below. If you can check all of them, you may meet the study's basic screening requirements (final eligibility is confirmed by the site team).

Usually NOT eligible if any of the following apply:

  • Exclusion Criteria:
  • Has any medical disease or condition that, in the opinion of the principal investigator (PI) or appropriate study personnel, precludes study participation\* (\*Including acute, subacute, intermittent or chronic medical disease or condition that would place the subject at an unacceptable risk of injury, render the subject unable to meet the requirements of the protocol, or may interfere with the evaluation of responses or the subject's successful completion of this trial);
  • Significant depression (PHQ-9\>9) or generalized anxiety (GAD-7\>9)
  • Diagnosis of a significant neurological condition such as multiple sclerosis, epilepsy, Parkinson's disease, major stroke
  • Contraindications to MRI such as claustrophobia, cardiac pacemaker, etc.
  • Current adherence or adherence within the past 3 months to a specialized diet (e.g. ketogenic, paleo, intermittent fasting, raw food, vegan)
  • Food allergies (e.g. dairy, eggs, fish/shellfish, peanuts, tree nuts, soy, wheat, sesame, corn)
  • Diagnosis of mild cognitive impairment or dementia; use of an FDA-approved medication for Alzheimer's disease; MoCA\<23
  • Diabetes (hbA1c \>6.5%) or anti-diabetic medications
  • History of gastric bypass;
  • Inflammatory bowel disease
  • Small or large bowel resection

๐Ÿ” Extracted verbatim from the official NIH eligibility criteria. Always confirm with the study coordinator.

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • Cedars Sinai Medical Center โ€” Los Angeles, California

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
๐Ÿ›๏ธ View Official NIH Record โ†—