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Characterizing Cognitive Decline in Late Life Depression: The ADNI Depression Project

Characterizing Cognitive Decline in Late Life Depression: The Alzheimer's Disease Neuroimaging Initiative - Depression Project

Who can join

Ages 65 and older · All sexes

Inclusion Criteria:

1\. Individual participated in original Characterizing Cognitive Decline in Late Life Depression study or Multimodal MRI Characteristics of Psychotherapy Response in Late Life Depression Study.

Exclusion Exceptions:

1. Antidepressant medication treatment is allowed only if the medication dose is stable for 4 weeks prior to the MRI scan.
2. Psychotherapy interventions is allowed only if they have completed at least 4 weeks of individual or group psychotherapy intervention prior to the MRI scan.
3. Participants taking cognitive enhancing medications will be able to enter the study.

About the study

The purpose of this research study is to characterize the mechanisms contributing to cognitive impairment and accelerated cognitive decline in Late Life Depression (LLD).

This is a non-randomized, observational, non-treatment study that originally launched in 2015, enrolling 133 participants. From the originally enrolled participants, the continuation of the ADNI-D study will enroll 120 participants which will include following participants from the original (parent) protocol and enrollment of new participants for a period of 30 months. Data from an additional 300 non-depressed subjects will be used from ADNI studies for comparison.

Depression history, symptom severity and health information will be collected at the initial visit to determine eligibility. An magnetic resonance imaging (MRI) scan, as well as amyloid (florbetapir) and tau (flortaucipr) positron emission tomography (PET) imaging will be conducted at San Francisco VA. Collection of plasma and serum for biomarkers, clinical assessments and cognitive assessments will be conducted at two time points. Blood samples will also be collected for genetic analysis.

Sponsor: University of Southern California · Participants: 120 · Started: Mar 4, 2015

Contact the study team

• Nithya Ganesh · Phone: (415) 300-0582

Official record on ClinicalTrials.gov — NCT02434393

Locations in the U.S.

Conditions

• Major Depressive Disorder
• Depression

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.