# Longitudinal Study for the Characterization of the Phases of Subjective Perception of Cognitive Decline and Mild Cognitive Impairment of Alzheimer's Disease.

> **NCT03851523** · — · RECRUITING · sponsor: **Barcelonabeta Brain Research Center, Pasqual Maragall Foundation** · enrollment: 400 (estimated)

## Conditions studied

- Alzheimer Disease
- Mild Cognitive Impairment
- Subjective Cognitive Decline

## Interventions

- **OTHER:** No intervention

## Key facts

- **NCT ID:** NCT03851523
- **Lead sponsor:** Barcelonabeta Brain Research Center, Pasqual Maragall Foundation
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2018-02-12
- **Primary completion:** 2026-12-31
- **Final completion:** 2027-12-31
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2025-05-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03851523

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03851523, "Longitudinal Study for the Characterization of the Phases of Subjective Perception of Cognitive Decline and Mild Cognitive Impairment of Alzheimer's Disease.". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT03851523. Licensed CC0.

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