deltatrials
Completed OBSERVATIONAL NCT00942981

Functional Relevance of Dopamine Receptors in Healthy Controls and Patients With Schizophrenia: Characterization Through [11C]NNC-112 and [18F]Fallypride Positron Emission Tomography

Sponsor: National Institute of Mental Health (NIMH)

Interventions PET
Updated 60 times since 2017 Last updated: Jan 15, 2026 Started: Nov 13, 2009
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Schizoaffective Disorder and Schizophrenia and is currently completed. National Institute of Mental Health (NIMH) leads this study, which shows 60 recorded versions since 2009 — indicating substantial longitudinal coverage. This study adds to the longitudinal dataset for psychiatric treatment development.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshot~Feb 2017 – ~Apr 2018 · 14 months · monthly snapshot~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshot~Jun 2018 – ~Aug 2018 · 2 months · monthly snapshot~Aug 2018 – ~Sep 2018 · 31 days · monthly snapshot~Sep 2018 – ~Oct 2018 · 30 days · monthly snapshot~Oct 2018 – ~Jan 2019 · 3 months · monthly snapshot~Jan 2019 – ~Mar 2019 · 59 days · monthly snapshot~Mar 2019 – ~May 2019 · 2 months · monthly snapshot~May 2019 – ~Aug 2019 · 3 months · monthly snapshot~Aug 2019 – ~Oct 2019 · 2 months · monthly snapshot~Oct 2019 – ~Feb 2020 · 4 months · monthly snapshot~Feb 2020 – ~Jun 2020 · 4 months · monthly snapshot~Jun 2020 – ~Jul 2020 · 30 days · monthly snapshot~Jul 2020 – ~Aug 2020 · 31 days · monthly snapshot~Aug 2020 – ~Sep 2020 · 31 days · monthly snapshot~Sep 2020 – ~Oct 2020 · 30 days · monthly snapshot~Oct 2020 – ~Nov 2020 · 31 days · monthly snapshot~Nov 2020 – ~Dec 2020 · 30 days · monthly snapshot~Dec 2020 – ~Jan 2021 · 31 days · monthly snapshot~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshot~Feb 2021 – ~Mar 2021 · 28 days · monthly snapshot~Mar 2021 – ~Apr 2021 · 31 days · monthly snapshot~Apr 2021 – ~May 2021 · 30 days · monthly snapshot~May 2021 – ~Jun 2021 · 31 days · monthly snapshot~Jun 2021 – ~Sep 2021 · 3 months · monthly snapshot~Sep 2021 – ~Jan 2022 · 4 months · monthly snapshot~Jan 2022 – ~Feb 2022 · 31 days · monthly snapshot~Feb 2022 – ~Mar 2022 · 28 days · monthly snapshot~Mar 2022 – ~Apr 2022 · 31 days · monthly snapshot~Apr 2022 – ~May 2022 · 30 days · monthly snapshot~May 2022 – ~Jun 2022 · 31 days · monthly snapshot~Jun 2022 – ~Jul 2022 · 30 days · monthly snapshot~Jul 2022 – ~Sep 2022 · 2 months · monthly snapshot~Sep 2022 – ~Jan 2023 · 4 months · monthly snapshot~Jan 2023 – ~Feb 2023 · 31 days · monthly snapshot~Feb 2023 – ~Mar 2023 · 28 days · monthly snapshot~Mar 2023 – ~Apr 2023 · 31 days · monthly snapshot~Apr 2023 – ~Nov 2023 · 7 months · monthly snapshot~Nov 2023 – ~Dec 2023 · 30 days · monthly snapshot~Dec 2023 – ~Feb 2024 · 2 months · monthly snapshot~Feb 2024 – ~Mar 2024 · 29 days · monthly snapshot~Mar 2024 – ~Apr 2024 · 31 days · monthly snapshot~Apr 2024 – ~May 2024 · 30 days · monthly snapshot~May 2024 – ~Jun 2024 · 31 days · monthly snapshot~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Oct 2024 · 30 days · monthly snapshot~Oct 2024 – ~Dec 2024 · 2 months · monthly snapshot~Dec 2024 – ~Jan 2025 · 31 days · monthly snapshot~Jan 2025 – ~Mar 2025 · 59 days · monthly snapshot~Mar 2025 – ~Apr 2025 · 31 days · monthly snapshot~Apr 2025 – ~May 2025 · 30 days · monthly snapshot~May 2025 – ~Jul 2025 · 2 months · monthly snapshot~Jul 2025 – ~Sep 2025 · 2 months · monthly snapshot~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – ~Dec 2025 · 2 months · monthly snapshot~Dec 2025 – ~Feb 2026 · 2 months · monthly snapshot~Feb 2026 – present · 5 months · monthly snapshot

Change History

60 versions recorded
  1. Feb 2026 — Present [monthly]

    Completed

  2. Dec 2025 — Feb 2026 [monthly]

    Completed

  3. Oct 2025 — Dec 2025 [monthly]

    Completed

  4. Sep 2025 — Oct 2025 [monthly]

    Completed

  5. Jul 2025 — Sep 2025 [monthly]

    Completed

Show 55 earlier versions
  1. May 2025 — Jul 2025 [monthly]

    Completed

  2. Apr 2025 — May 2025 [monthly]

    Completed

  3. Mar 2025 — Apr 2025 [monthly]

    Completed

  4. Jan 2025 — Mar 2025 [monthly]

    Completed

    Status: RecruitingCompleted

  5. Dec 2024 — Jan 2025 [monthly]

    Recruiting

  6. Oct 2024 — Dec 2024 [monthly]

    Recruiting

  7. Sep 2024 — Oct 2024 [monthly]

    Recruiting

  8. Aug 2024 — Sep 2024 [monthly]

    Recruiting

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    Recruiting

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    Recruiting

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    Recruiting

  15. Dec 2023 — Feb 2024 [monthly]

    Recruiting

  16. Nov 2023 — Dec 2023 [monthly]

    Recruiting

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  18. Mar 2023 — Apr 2023 [monthly]

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  20. Jan 2023 — Feb 2023 [monthly]

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  21. Sep 2022 — Jan 2023 [monthly]

    Recruiting

  22. Jul 2022 — Sep 2022 [monthly]

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  24. May 2022 — Jun 2022 [monthly]

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  27. Feb 2022 — Mar 2022 [monthly]

    Recruiting

  28. Jan 2022 — Feb 2022 [monthly]

    Recruiting

  29. Sep 2021 — Jan 2022 [monthly]

    Recruiting

  30. Jun 2021 — Sep 2021 [monthly]

    Recruiting

  31. May 2021 — Jun 2021 [monthly]

    Recruiting

  32. Apr 2021 — May 2021 [monthly]

    Recruiting

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    Recruiting

  34. Feb 2021 — Mar 2021 [monthly]

    Recruiting

  35. Jan 2021 — Feb 2021 [monthly]

    Recruiting

  36. Dec 2020 — Jan 2021 [monthly]

    Recruiting

  37. Nov 2020 — Dec 2020 [monthly]

    Recruiting

  38. Oct 2020 — Nov 2020 [monthly]

    Recruiting

  39. Sep 2020 — Oct 2020 [monthly]

    Recruiting

  40. Aug 2020 — Sep 2020 [monthly]

    Recruiting

  41. Jul 2020 — Aug 2020 [monthly]

    Recruiting

  42. Jun 2020 — Jul 2020 [monthly]

    Recruiting

  43. Feb 2020 — Jun 2020 [monthly]

    Recruiting

  44. Oct 2019 — Feb 2020 [monthly]

    Recruiting

  45. Aug 2019 — Oct 2019 [monthly]

    Recruiting

  46. May 2019 — Aug 2019 [monthly]

    Recruiting

  47. Mar 2019 — May 2019 [monthly]

    Recruiting

  48. Jan 2019 — Mar 2019 [monthly]

    Recruiting

  49. Oct 2018 — Jan 2019 [monthly]

    Recruiting

  50. Sep 2018 — Oct 2018 [monthly]

    Recruiting

  51. Aug 2018 — Sep 2018 [monthly]

    Recruiting

  52. Jun 2018 — Aug 2018 [monthly]

    Recruiting

  53. Apr 2018 — Jun 2018 [monthly]

    Recruiting

    Phase: NANone

  54. Feb 2017 — Apr 2018 [monthly]

    Recruiting NA

  55. Jan 2017 — Feb 2017 [monthly]

    Recruiting NA

    First recorded

Nov 2009

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute of Mental Health (NIMH)
Data source: National Institutes of Health Clinical Center (CC)

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

Study Locations