deltatrials
Terminated PHASE2 INTERVENTIONAL 2-arm NCT04378426

Nitrous Oxide for PTSD (N2OP)

Nitrous Oxide for Posttraumatic Stress Disorder (PTSD): A Phase IIa Trial

Sponsor: VA Office of Research and Development

Conditions PTSD
Interventions Midazolam Nitrogen Nitrous Oxide Oxygen Saline
Updated 9 times since 2020 Last updated: Mar 1, 2023 Started: Oct 7, 2021 Primary completion: Aug 31, 2022 Completion: Aug 31, 2022
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Terminated

Use of VA hospital research space is indefinitely delayed due to prioritization of clinical cases delayed by COVID

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A PHASE2 clinical study on PTSD, this trial is terminated or withdrawn. The trial is conducted by VA Office of Research and Development and has accumulated 9 data snapshots since 2021. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Jun 2020 – ~Jul 2020 · 30 days · monthly snapshotNot Yet Recruiting~Jul 2020 – ~Jan 2021 · 6 months · monthly snapshotNot Yet Recruiting~Jan 2021 – ~Jun 2021 · 5 months · monthly snapshotNot Yet Recruiting~Jun 2021 – ~Dec 2021 · 6 months · monthly snapshotNot Yet Recruiting~Dec 2021 – ~Nov 2022 · 11 months · monthly snapshotRecruiting~Nov 2022 – ~Apr 2023 · 5 months · monthly snapshotTerminated~Apr 2023 – ~Jul 2024 · 15 months · monthly snapshotTerminated~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotTerminated~Sep 2024 – present · 23 months · monthly snapshotTerminated

Change History

9 versions recorded

  1. Sep 2024 — Present [monthly]

    Terminated PHASE2

  2. Jul 2024 — Sep 2024 [monthly]

    Terminated PHASE2

  3. Apr 2023 — Jul 2024 [monthly]

    Terminated PHASE2

  4. Nov 2022 — Apr 2023 [monthly]

    Terminated PHASE2

    Status: Recruiting → Terminated

  5. Dec 2021 — Nov 2022 [monthly]

    Recruiting PHASE2

    Status: Not Yet Recruiting → Recruiting

▶ Show 4 earlier versions

  1. Jun 2021 — Dec 2021 [monthly]

    Not Yet Recruiting PHASE2

  2. Jan 2021 — Jun 2021 [monthly]

    Not Yet Recruiting PHASE2

  3. Jul 2020 — Jan 2021 [monthly]

    Not Yet Recruiting PHASE2

  4. Jun 2020 — Jul 2020 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • VA Office of Research and Development
Data source: VA Office of Research and Development

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

Study Locations