The Swedish BioFINDER - Preclinical AD Study

Recruiting now

Conditions studied: Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia

In brief

This research study aims to examine biomarkers of Alzheimer's disease (AD) as early as possible which could potentially be a screening tool for the general population. This observational study will take place at the Skåne University Hospital in Sweden. The study will enroll up to 600 cognitively healthy subjects aged 50 to 80 years with 3/4 having preclinical Alzheimer's disease. Recruitment and enrollment will be ongoing for 2-3 years, and subject participation will be lasting approximately 4 years. Disclosure of AD risk assessments will be an optional procedure.

Key facts

Study ID

NCT06121544

Run by

Skane University Hospital

People needed

800

Starts

2022-04-01

Expected to finish

2026-12-31

Last updated by the study team

2026-04-06

Who can join

Age: 50 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 50-80
• Individuals aged 50-60 require at least one of the following risk factors for AD:
• Known apolipoprotein E (APOE) -ε4 carrier
• Known 1st degree family history of dementia or severe memory loss with onset prior to 75.
• Known amyloid brain pathology by either CSF or PET scan.
• Mini-Mental State Examination (MMSE) ≥26 (aged >65); MMSE ≥27 (aged 50-65).
• Score of 12 or above on the Montreal Cognitive Assessment (MoCA) telephone version.
• Speaks and understands Swedish to the extent that an interpreter is not necessary to fully understand the study information and cognitive tests.
• 6a. Preclinical Alzheimer's disease subgroup (n=450): Amyloid pathology according to cerebrospinal fluid Alzheimer's disease and amyloid PET scans.
• 6b. Non-Preclinical Alzheimer's disease subgroup (n=150): No sign of preclinical Alzheimer's disease using cerebrospinal fluid Alzheimer's disease biomarkers or Aβ-PET scans.

You may not qualify if…

• Fulfils the criteria for minor or major neurocognitive disorder according to The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5).
• History of significant brain injury or other known neurologic disease or insult, resulting in lasting cognitive sequelae that would confound the assessment and staging of potential neurodegenerative disease.
• Major depression, bipolar disorder, or recurrent psychotic disorders within the past year.
• History of alcohol and/or substance abuse or dependence within the past year.
• Significant unstable systemic illness or organ failure, such as terminal cancer, that makes it difficult to participate in the study.
• Refusing or unable to complete baseline cognitive and biomarker assessments (i.e., cognitive testing, blood draw, MRI and PET).

Where it is running

• Skåne University Hospital — Malmö, Sweden (enrolling)

Full record on ClinicalTrials.gov

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