Detection of AD Biomarkers in Tear Fluid (SmartTears)

November 3, 2020 updated by: Maastricht University Medical Center
Detection of AD biomarkers in tear fluid

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

69

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Netherlands
      • Maastricht, Netherlands
        • Academic Hospital Maastricht

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

A total of 60 patients and nine cognitively healthy age-matched controls (HC) were enrolled in this study.

Description

Inclusion Criteria:

  • . Inclusion criteria were an MMSE score ≥ 20 and a CDR score from 0 to 1, thereby including patients across the whole clinical spectrum (i.e. from subjective cognitive disorder to (mild) dementia).

Exclusion Criteria:

  • Exclusion criteria at baseline were neurological diseases (such as Normal Pressure Hydrocephalus, Morbus Huntington, brain tumor, epilepsy, encephalitis, recent Transient Ischemic Attack (TIA) or cerebrovascular accident (CVA) (< 2 years), or TIA/CVA with concurrent (within three months) cognitive decline) and a history of psychiatric disorders (such as schizophrenia, bipolar disorder or psychotic problems, current major depressive disorder (within 12 months), or alcohol abuse).

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Dementia
Other: Tear sampling
Tear sampling using Schirmer's strips
MCI
Mild cognitive impairment
Other: Tear sampling
Tear sampling using Schirmer's strips
SCD
Subjective cognitive decline
Other: Tear sampling
Tear sampling using Schirmer's strips
HC
Cognitively healthy control
Other: Tear sampling
Tear sampling using Schirmer's strips

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Level of AD biomarkers in tear fluid
Time Frame: Baseline
Baseline

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Maastricht University Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2018

Primary Completion (Actual)

January 1, 2020

Study Completion (Actual)

January 1, 2020

Study Registration Dates

First Submitted

November 3, 2020

First Submitted That Met QC Criteria

November 3, 2020

First Posted (Actual)

November 9, 2020

Study Record Updates

Last Update Posted (Actual)

November 9, 2020

Last Update Submitted That Met QC Criteria

November 3, 2020

Last Verified

November 1, 2020

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 15-4-100

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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