Development of a Home Test for Measuring Blood P-tau217 in Alzheimer's Disease Using the Tasso Lancet Device

July 8, 2026 updated by: Neurogen Biomarking LLC
This study compares p-tau217 concentrations in blood collected via the Tasso device versus standard venipuncture in subjects with and without Alzheimer's disease, including a subset with confirmed amyloid pathology.

Study Overview

Status

Recruiting

Conditions

Study Type

Observational

Enrollment (Estimated)

1000

Contacts and Locations

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

Study Contact

Study Contact Backup

Study Locations

  • United States
    • Illinois
    • Michigan
      • Dearborn, Michigan, United States, 48126
        • Active, not recruiting
        • Insight Hospital and Medical Center Dearborn
      • Flint, Michigan, United States, 48507
        • Active, not recruiting
        • Insight Institute of Neurology and Neurosurgery
      • Owosso, Michigan, United States, 48867
        • Active, not recruiting
        • Memorial Healthcare Hospital
    • North Carolina
      • Winston-Salem, North Carolina, United States, 27157
        • Active, not recruiting
        • Wake Forest Baptist Medical Center

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

Adults aged 40-90 recruited through clinical records review, advertising, and community outreach, including AD patients, cognitively healthy controls, and non-AD cognitively impaired individuals with confirmed amyloid-negative status. A subset has amyloid pathology confirmed via PET or CSF.

Description

Inclusion Criteria:

  • AD Amyloid PET/CSF confirmed, healthy control, or amyloid-negative non-AD cognitive impairment Age 40-90 Able to complete Tasso and venipuncture collection Caregiver consent/assistance available if needed

Exclusion Criteria:

  • Uncontrolled systemic conditions Recent surgery/hospitalization (3 months) Other dementia drug trial (2 months) Pregnancy Prior Donanemab or Lecanemab use

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
AD subjects
Amyloid PET/CSF confirmed and clinically diagnosed
Healthy Controls
No history of cognitive impairment
Non-AD cognitively impaired (amyloid-negative)
Cognitive impairment not due to AD, confirmed amyloid-negative via PET/CSF

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Agreement between p-tau217 concentration in Tasso device capillary blood and venipuncture blood
Time Frame: Baseline
Mean, mean fold-change, and effect size of p-tau217 in Tasso samples between AD and non-AD groups.
Baseline

Collaborators and Investigators

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

Sponsor

Neurogen Biomarking LLC

Investigators

  • Principal Investigator: Rany Aburashed, Insight Health Systems

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 13, 2025

Primary Completion (Actual)

March 20, 2026

Study Completion (Estimated)

August 1, 2026

Study Registration Dates

First Submitted

July 8, 2026

First Submitted That Met QC Criteria

July 8, 2026

First Posted (Actual)

July 14, 2026

Study Record Updates

Last Update Posted (Actual)

July 14, 2026

Last Update Submitted That Met QC Criteria

July 8, 2026

Last Verified

July 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Neurogen-12951

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

product manufactured in and exported from the U.S.

Yes

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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