deltatrials
Completed NA INTERVENTIONAL 2-arm NCT00838695

Variability in Adrenergic Response

Sponsor: National Center for Research Resources (NCRR)

Interventions Phenylephrine
Updated 12 times since 2017 Last updated: Oct 25, 2018 Started: Jan 31, 2009 Primary completion: Dec 31, 2010 Completion: Dec 31, 2011
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Vascular Reaction to Medications and is currently completed. National Center for Research Resources (NCRR) leads this study, which shows 12 recorded versions since 2009 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotActive Not Recruiting~Feb 2017 – ~Dec 2017 · 10 months · monthly snapshotActive Not Recruiting~Dec 2017 – ~Jun 2018 · 6 months · monthly snapshotCompleted~Jun 2018 – ~Nov 2018 · 5 months · monthly snapshotCompleted~Nov 2018 – ~Nov 2020 · 24 months · monthly snapshotCompleted~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotCompleted~Dec 2021 – ~Dec 2022 · 12 months · monthly snapshotCompleted~Dec 2022 – ~Jan 2023 · 31 days · monthly snapshotCompleted~Jan 2023 – ~Jul 2024 · 18 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

12 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed NA

  2. Jul 2024 — Sep 2024 [monthly]

    Completed NA

  3. Jan 2023 — Jul 2024 [monthly]

    Completed NA

  4. Dec 2022 — Jan 2023 [monthly]

    Completed NA

  5. Dec 2021 — Dec 2022 [monthly]

    Completed NA

Show 7 earlier versions
  1. Jan 2021 — Dec 2021 [monthly]

    Completed NA

  2. Nov 2020 — Jan 2021 [monthly]

    Completed NA

  3. Nov 2018 — Nov 2020 [monthly]

    Completed NA

  4. Jun 2018 — Nov 2018 [monthly]

    Completed NA

  5. Dec 2017 — Jun 2018 [monthly]

    Completed NA

    Status: Active Not RecruitingCompleted

  6. Feb 2017 — Dec 2017 [monthly]

    Active Not Recruiting NA

  7. Jan 2017 — Feb 2017 [monthly]

    Active Not Recruiting NA

    First recorded

Jan 2009

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Center for Research Resources (NCRR)
  • National Heart, Lung, and Blood Institute (NHLBI)
  • Vanderbilt University
Data source: Vanderbilt University Medical Center

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

Study Locations