deltatrials
Active Not Recruiting OBSERVATIONAL NCT03189485

Tau PET Imaging in the NACC Study Cohort (TPI)

Tau PET Imaging in the NACC Study Cohort: Modulators of MTL Subregion Structure and Function in Normal and Pathological Aging

Sponsor: National Institute on Aging (NIA)

Updated 18 times since 2017 Last updated: Oct 27, 2025 Started: Nov 22, 2017 Primary completion: Oct 8, 2025 Completion: May 31, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03189485, this observational or N/A phase trial focuses on MCI and Normal Controls and remains ongoing. Sponsored by National Institute on Aging (NIA), it has been updated 18 times since 2017, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jul 2017 – ~Nov 2017 · 4 months · monthly snapshot~Nov 2017 – ~Jun 2018 · 7 months · monthly snapshot~Jun 2018 – ~Mar 2019 · 9 months · monthly snapshot~Mar 2019 – ~Jan 2020 · 10 months · monthly snapshot~Jan 2020 – ~Feb 2020 · 31 days · monthly snapshot~Feb 2020 – ~Jun 2020 · 4 months · monthly snapshot~Jun 2020 – ~Jul 2020 · 30 days · monthly snapshot~Jul 2020 – ~Oct 2020 · 3 months · monthly snapshot~Oct 2020 – ~Jan 2021 · 3 months · monthly snapshot~Jan 2021 – ~Apr 2021 · 3 months · monthly snapshot~Apr 2021 – ~Jun 2022 · 14 months · monthly snapshot~Jun 2022 – ~Jun 2023 · 12 months · monthly snapshot~Jun 2023 – ~Jun 2024 · 12 months · monthly snapshot~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Dec 2024 · 3 months · monthly snapshot~Dec 2024 – ~Nov 2025 · 11 months · monthly snapshot~Nov 2025 – present · 8 months · monthly snapshot

Change History

18 versions recorded
  1. Nov 2025 — Present [monthly]

    Active Not Recruiting

    Status: RecruitingActive Not Recruiting

  2. Dec 2024 — Nov 2025 [monthly]

    Recruiting

  3. Sep 2024 — Dec 2024 [monthly]

    Recruiting

  4. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  5. Jun 2024 — Jul 2024 [monthly]

    Recruiting

Show 13 earlier versions
  1. Jun 2023 — Jun 2024 [monthly]

    Recruiting

  2. Jun 2022 — Jun 2023 [monthly]

    Recruiting

  3. Apr 2021 — Jun 2022 [monthly]

    Recruiting

  4. Jan 2021 — Apr 2021 [monthly]

    Recruiting

  5. Oct 2020 — Jan 2021 [monthly]

    Recruiting

    Status: Active Not RecruitingRecruiting

  6. Jul 2020 — Oct 2020 [monthly]

    Active Not Recruiting

  7. Jun 2020 — Jul 2020 [monthly]

    Active Not Recruiting

    Status: Enrolling By InvitationActive Not Recruiting

  8. Feb 2020 — Jun 2020 [monthly]

    Enrolling By Invitation

  9. Jan 2020 — Feb 2020 [monthly]

    Enrolling By Invitation

    Phase: EARLY_PHASE1None

  10. Mar 2019 — Jan 2020 [monthly]

    Enrolling By Invitation EARLY_PHASE1

  11. Jun 2018 — Mar 2019 [monthly]

    Enrolling By Invitation EARLY_PHASE1

  12. Nov 2017 — Jun 2018 [monthly]

    Enrolling By Invitation EARLY_PHASE1

  13. Jul 2017 — Nov 2017 [monthly]

    Enrolling By Invitation EARLY_PHASE1

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute on Aging (NIA)
  • National Institutes of Health (NIH)
  • University of Pennsylvania
Data source: University of Pennsylvania

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations