Brain Imaging Biomarkers of Pathological Brain Aging in Late-life Depression

  • STATUS
    Recruiting
  • End date
    Oct 19, 2023
  • participants needed
    128
  • sponsor
    Universitaire Ziekenhuizen Leuven
Updated on 19 June 2022
depressed mood
electroconvulsive therapy
Accepts healthy volunteers

Summary

This study investigates the relationships and differences in PET-MRI brain imaging biomarkers of abnormal aging and behavioral measures in late life depression compared to healthy controls, and evaluates relationships and differences in the same imaging and behavioral measures following electroconvulsive therapy. The study tests the hypotheses that late-life depression will be associated with higher levels of accelerated aging and brain disease biomarkers, and that electroconvulsive therapy works by stimulating the reorganization of brain tissue.The data collected with contribute to improved knowledge about the neurobiology of late-life psychopathology and its treatment.

Description

This clinical study is a combined single-center, cohort study with a (1) cross-sectional arm evaluating relationships and differences in PET-MR imaging and behavioral measures in 64 patients with late life depression (LLD) compared to 64 healthy controls, and (2) a longitudinal arm evaluating relationships and differences in imaging and behavioral measures in 20 patients receiving ECT as part of their normal clinical management. The study will utilise three PET tracers: (1) [11C]UCB-J, which targets the Synaptic Vesicle Glycoprotein 2A receptor, to estimate synaptic density (2) [18F]MK-6240, which targets tau associated with neurofibrillary tangles, to assess the presence of tau pathology and (3) [18F]-Flutemetamol, which targets beta-amyloid neuritic plaques in the brain, to assess the presence of cerebral amyloidosis. The main aim of the study is to clarify how hippocampal synaptic density, tau, amyloid and white matter lesions, relate to neuropsychological function, stress and ECT in late life depression.

Details
Condition Depression
Treatment ECT
Clinical Study IdentifierNCT03849417
SponsorUniversitaire Ziekenhuizen Leuven
Last Modified on19 June 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Diagnosis of late-life depression according to DSM 5 (patients only)
Age over 60 years old
Judged to be in good physical health by the investigator on the basis of medical history

Exclusion Criteria

history or evidence of psychiatric disease, as assessed by clinical interview (healthy controls only)
history of major other neurological disorder, or major internal pathology that may make him/her unfit for participation according to the interpretation by the investigator (including cardiac, lung, haematological, gastro-intestinal disorders or cancer)
current user (including ''recreational use'') of any illicit drugs,including cannabis, or has a history of drug or alcohol abuse
had exposure to ionizing radiation (> 1 mSv) in other research studies within the last 12 months
has a contra-indication for MRI scanning
suffers from claustrophobia or cannot tolerate confinement during PET-MRI scanning procedures; cannot lie still for 60 minutes inside the scanner
does not understand the study procedures
unwilling or unable to perform all of the study procedures, or is considered unsuitable in any way by the principal investigator
underwent ECT within the last 3 months before enrollment (patients)
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