deltatrials
Completed OBSERVATIONAL NCT03071913

Blood Brain Barrier Differences in Patients with Brain Tumors Undergoing Surgery

Pilot Study to Assess Heterogeneity of the Blood Brain Barrier in Patients with CNS Malignancy

Sponsor: Mayo Clinic

Updated 20 times since 2017 Last updated: Sep 26, 2024 Started: Sep 20, 2017 Primary completion: Jan 11, 2023 Completion: Jan 12, 2023
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 Central Nervous System Neoplasm and Localized Brain Neoplasm and is currently completed. Mayo Clinic leads this study, which shows 20 recorded versions since 2017 — indicating substantial longitudinal coverage. As an oncology study, it adds to the longitudinal record of treatment development for this indication.

Status Flow

~May 2017 – ~Oct 2017 · 5 months · monthly snapshot~Oct 2017 – ~Mar 2018 · 5 months · monthly snapshot~Mar 2018 – ~Apr 2018 · 31 days · monthly snapshot~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshot~Jun 2018 – ~May 2019 · 11 months · monthly snapshot~May 2019 – ~Jun 2019 · 31 days · monthly snapshot~Jun 2019 – ~Jun 2020 · 12 months · monthly snapshot~Jun 2020 – ~Jan 2021 · 7 months · monthly snapshot~Jan 2021 – ~May 2021 · 4 months · monthly snapshot~May 2021 – ~Dec 2021 · 7 months · monthly snapshot~Dec 2021 – ~Oct 2022 · 10 months · monthly snapshot~Oct 2022 – ~Jun 2023 · 8 months · monthly snapshot~Jun 2023 – ~Jul 2023 · 30 days · monthly snapshot~Jul 2023 – ~Dec 2023 · 5 months · monthly snapshot~Dec 2023 – ~Mar 2024 · 3 months · monthly snapshot~Mar 2024 – ~May 2024 · 2 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Oct 2024 · 30 days · monthly snapshot~Oct 2024 – present · 21 months · monthly snapshot

Change History

20 versions recorded
  1. Oct 2024 — Present [monthly]

    Completed

  2. Sep 2024 — Oct 2024 [monthly]

    Completed

  3. Jul 2024 — Sep 2024 [monthly]

    Completed

  4. May 2024 — Jul 2024 [monthly]

    Completed

    Status: Active Not RecruitingCompleted

  5. Mar 2024 — May 2024 [monthly]

    Active Not Recruiting

    Status: RecruitingActive Not Recruiting

Show 15 earlier versions
  1. Dec 2023 — Mar 2024 [monthly]

    Recruiting

  2. Jul 2023 — Dec 2023 [monthly]

    Recruiting

  3. Jun 2023 — Jul 2023 [monthly]

    Recruiting

  4. Oct 2022 — Jun 2023 [monthly]

    Recruiting

  5. Dec 2021 — Oct 2022 [monthly]

    Recruiting

  6. May 2021 — Dec 2021 [monthly]

    Recruiting

  7. Jan 2021 — May 2021 [monthly]

    Recruiting

  8. Jun 2020 — Jan 2021 [monthly]

    Recruiting

    Status: SuspendedRecruiting

  9. Jun 2019 — Jun 2020 [monthly]

    Suspended

    Status: RecruitingSuspended

  10. May 2019 — Jun 2019 [monthly]

    Recruiting

    Status: SuspendedRecruiting

  11. Jun 2018 — May 2019 [monthly]

    Suspended

  12. Apr 2018 — Jun 2018 [monthly]

    Suspended

    Phase: NANone

  13. Mar 2018 — Apr 2018 [monthly]

    Suspended NA

    Status: RecruitingSuspended

  14. Oct 2017 — Mar 2018 [monthly]

    Recruiting NA

    Status: Not Yet RecruitingRecruiting

  15. May 2017 — Oct 2017 [monthly]

    Not Yet Recruiting NA

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Mayo Clinic
  • National Cancer Institute (NCI)
Data source: Mayo Clinic

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

Study Locations