deltatrials
Completed PHASE2 INTERVENTIONAL 5-arm NCT00000255

Differential Acute Tolerance Development to Effects of Nitrous Oxide - 7

Differential Acute Tolerance Development to Effects of Nitrous Oxide

Sponsor: National Institute on Drug Abuse (NIDA)

Conditions Opioid-Related Disorders Substance-Related Disorders
Interventions Nitrous oxide
Updated 5 times since 2017 Last updated: May 26, 2015 Started: Apr 30, 1995 Primary completion: May 31, 1996 Completion: May 31, 1996
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates Opioid-Related Disorders and Substance-Related Disorders and is currently completed. National Institute on Drug Abuse (NIDA) leads this study, which shows 5 recorded versions since 1995 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Jun 2018 · 17 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

5 versions recorded

  1. Sep 2024 — Present [monthly]

    Completed PHASE2

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  3. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE2

  4. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE2

  5. Jan 2017 — Jun 2018 [monthly]

    Completed PHASE2

    First recorded

Apr 1995

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • National Institute on Drug Abuse (NIDA)
  • University of Chicago
Data source: University of Chicago

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

Study Locations