A Study Evaluating the Impact of P-tau217 Blood Biomarker Testing on Early Evaluation and Management of Patients Presenting With Cognitive Complaint
A Prospective Diagnostic Study Evaluating the Impact of P-tau217 Blood Biomarker Testing on Early Evaluation and Management of Patients Presenting With Cognitive Complaint in Primary and Secondary/Tertiary Care
2 other identifiers
interventional
7,000
1 country
1
Brief Summary
The purpose of the study is to measure the difference in the proportion of participants with prespecified patient management actions between a tested interventional group and a control group.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Aug 2025
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 22, 2025
CompletedStudy Start
First participant enrolled
August 22, 2025
CompletedFirst Posted
Study publicly available on registry
August 26, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
October 1, 2027
November 3, 2025
October 1, 2025
2.1 years
August 22, 2025
October 30, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Difference in Proportion of Participants Between the Primary Care Physician (PCP) Tested Group and the PCP Control Group with at Least 1 Management Action
Difference in proportion of participants with a least 1 management action, referral to Secondary or Tertiary Care Physician (S/TCP); counseling; Alzheimer's Disease (AD) drug therapy related to cognitive complaint, or Non-AD drug therapy related to cognitive complaint.
6 Months
Secondary Outcomes (10)
Difference in Proportion of Participants Between the S/TCP Tested Group and the S/TCP Control Group with at Least 1 Management Action
6 and 12 Months
Time from Cognitive Complaint to Date of Referral to a S/TCP Between the PCP Tested Group and the PCP Control Group:
6 and 12 Months
Time from Cognitive Complaint to Date of Counseling Between the PCP Tested Group and the PCP Control Group
6 and 12 Months
Time from Cognitive Complaint to Date of Initiating AD Therapy Between the PCP Tested Group and the PCP Control Group
6 and 12 Months
Time from Cognitive Complaint to Date of Initiating Non-AD Therapy Between the PCP Tested Group and the PCP Control Group
6 and 12 Months
- +5 more secondary outcomes
Study Arms (2)
Interventional Group
OTHERStratified by Primary Care Physician (PCP) versus Secondary/Tertiary Physician (S/TCP) Patient participants in the interventional group will undergo P-tau217 testing.
Standard of Care Group
OTHERStratified by PCP versus S/TCP Patient participants in the standard of care group (SOC) will not undergo sponsor-provided P-tau217 testing.
Interventions
Eligibility Criteria
You may qualify if:
- Health Care Provider (HCP) Definitions
- Primary care physician (PCPs): physicians such as family medicine practitioners and internists who do not specialize in neurological care.
- Secondary care physicians (SCPs): physicians such as geriatricians or neurologists who see patients for specific reasons.
- Tertiary care physicians (TCPs): specialty neurologists who focus on certain neurological conditions.
- HCP Participant Selection Criteria
- Group 1: PCPs who routinely evaluate and manage patients over the age of 50 in a family practice or internist setting.
- Group 2: SCPs and TCPs with experience diagnosing and treating patients with cognitive impairment and dementia.
- Must be willing to review educational materials provided by the study sponsor, before enrolling patients.
- Patient Participant Criteria
- Participants in the interventional group are eligible to be included in the study only if all the following criteria apply:
- Are capable of giving, and have given, signed informed consent.
- Have venous access sufficient to allow the protocol-required blood sampling.
- Are reliable, willing, and able to make themselves available for the duration of the study and are willing to follow study procedures.
- Disease-specific Characteristics
- Present to the HCP with 1 or more subjective cognitive impairment complaints (SCIC) in the 4 weeks prior to identification: for example, worsening of memory, misplacing items, difficulty concentrating, or new challenges with problem solving.
You may not qualify if:
- In the 18 months prior to identification have prior or associated HCP-ordered referral or prior prescription of drug therapies, for the SCIC
- Participants with previous amyloid- or tau-specific tests, defined as
- Amyloid position emission tomography (PET)
- Tau PET
- Cerebral spinal fluid (CSF) tests for amyloid beta (Aβ) and/or tau biomarkers, or
- Blood tests for Aβ and/or tau biomarkers
- Has a current serious or unstable illness that in the enrolling investigator's opinion could interfere with completion of the study or have a life expectancy of less than 1 year.
- Has a known brain lesion, pathology, or prior alternative diagnosis that could explain the participant's clinical presentation.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
SiteRx Virtual Site
New York, New York, 10013, United States
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 8 AM - 8 PM Eastern time (UTC/GMT - 5 hours, EST)
Eli Lilly and Company
Central Study Contacts
Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or
CONTACT
Physicians interested in becoming principal investigators please contact
CONTACT
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 22, 2025
First Posted
August 26, 2025
Study Start
August 22, 2025
Primary Completion (Estimated)
October 1, 2027
Study Completion (Estimated)
October 1, 2027
Last Updated
November 3, 2025
Record last verified: 2025-10
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP, CSR
- Time Frame
- Data are available 6 months after the primary publication and approval of the indication studied in the US and EU, whichever is later. Data will be indefinitely available for requesting.
- Access Criteria
- A research proposal must be approved by an independent review panel and researchers must sign a data sharing agreement.
Anonymized individual patient level data will be provided in a secure access environment upon approval of a research proposal and a signed data sharing agreement.