Pragmatic Evaluation of Events And Benefits of Lipid-lowering in Older Adults

  • End date
    Jul 26, 2026
  • participants needed
  • sponsor
    Duke University
Updated on 26 March 2021
Samantha Wrenn
Primary Contact
Washington DC VA Medical Center (4.5 mi away) Contact
+86 other location
cognitive impairment
hmg-coa reductase inhibitor
mild cognitive impairment
primary prevention


PREVENTABLE is a multi-center, randomized, parallel group, placebo-controlled superiority study. Participants will be randomized 1:1 to atorvastatin 40 mg or placebo. This large study conducted in community-dwelling older adults without cardiovascular disease (CVD) or dementia will demonstrate the benefit of statins for reducing the primary composite of death, dementia, and persistent disability and secondary composites including mild cognitive impairment (MCI) and cardiovascular events.


PREVENTABLE will randomly assign atorvastatin 40 mg daily or matching placebo daily to 20,000 community-dwelling adults 75 years of age or older without clinically evident cardiovascular disease, significant disability, or dementia, and follow them for up to 5 years (estimated median of 3.8 years). The study will enroll participants from approximately 100 US sites. Community engagement efforts will leverage community groups and practices as collaborators for recruitment. We plan to partner with participants, caregivers, and clinicians in all aspects of the study. The enrolling sites are non-VA and VA sites. Each site will apply a study-specific cohort identification algorithm to their electronic health record to create a list of eligible participants based on study inclusion and exclusion criteria. The cohort identification will exclude individuals with clinically evident cardiovascular disease, significant disability, or dementia and other exclusions obtainable from data queries to define a potential cohort. Sites will screen potential participants to confirm eligibility and consent and randomize those interested in joining the study. Specifically related to dementia, the qualifying exclusion is a clinical diagnosis in the chart or clinician's assessment that dementia may be present. Sites will enter contact information, mailing address for study drug, demographic information, height, weight, statin history (if any), Social Security Number, and aspects of the medical history not obtainable from EHR. In addition, a Short Physical Performance Battery (SPPB) and Activities of Daily Living (ADL) screen will be site-performed at baseline. SPPB will provide an objective assessment of function for understanding frailty and physical function of the enrolled population. Baseline lipid panel (core lab) and biospecimen samples will be obtained using the same blood draw for 20cc of blood. Blinded lipid testing will be performed at baseline on all participants (n=20,000) and repeated at 3 months in a random subset (n=2,000). Lipid panels will be sent to the PREVENTABLE Core Lab to maintain study blind. Future testing of lipid panels during routine clinical care will be actively discouraged, but other laboratory testing as indicated by clinical care is permitted.Sites will have the option for telehealth enrollment. Baseline SPPB and Biorepository Labs are not required, but encouraged.

As part of the study operations, with the rationale of providing patient centricity, ease of participation, and access for vulnerable and at risk participants, follow up will be performed by a combination of central and distributed research teams. This includes a call center as well as a nationwide system of decentralized research staff trained on the protocol able to meet the patient in their home or other desired location. The baseline and annual assessments performed centrally will include a phone screen for cognitive function (TICS-M) and physical function (Patient-reported Outcome Measurement Information System-Physical Function [PROMIS-PF]). After year 1, If baseline calls indicated by crossing pre-specified cutpoints, in-person assessments will be completed by trained and certified research staff at a mutually agreed upon time and a standardized interview of a knowledgeable informant. Cardiovascular event ascertainment will be via a systematic approach to data curation from the EHR, Medicare, and National Death Index. For convenience and compliance, the study pharmacy will mail a supply of study drug, sufficient for 90 days, directly to participants. This will start immediately after randomization and continue as long as the participant is on study drug.

Condition Dementia, Cardiovascular Disease, Alzheimer's Disease, Cognitive Impairment, Mild, Cognitive Impairment, Mild, Cognitive Impairment, Mild, Cognitive Impairment, Mild, cardiovascular diseases, cardiovascular disease (cvd), cardiovascular system diseases, cardiovascular disorders, Cognitive Impairment, Mild, Cognitive Impairment, Mild, Cognitive Impairment, Mild, Cognitive Impairment, Mild, Cognitive Impairment, Mild
Treatment Placebo Oral Tablet, Atorvastatin 40 Mg Oral Tablet
Clinical Study IdentifierNCT04262206
SponsorDuke University
Last Modified on26 March 2021


Yes No Not Sure

Inclusion Criteria

Community-dwelling adults
Age 75 years or older

Exclusion Criteria

Clinically evident CVD, defined as prior MI, prior stroke, prior revascularization procedure, or a secondary prevention indication for a statin as determined by their clinician
Hospitalization for a primary diagnosis of heart failure in the prior 12 months (Note: History of heart failure without clinically evident cardiovascular disease is not an exclusion)
Dementia (clinically evident and/or previously diagnosed)
Dependence in any Katz Basic Activities of Daily Living [ADL] (with the exception of urinary or bowel continence)
Severe hearing impairment (preventing phone follow up)
Severe visual impairment (preventing cognitive testing)
Statin use in the past year or for longer than 5 years previously (participant reported)
Ineligible to take atorvastatin 40 mg (clinician determined)
Documented intolerance to statins
Active liver disease
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