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NCT03502915 · ClinicalTrials.gov registry record · Phase 3
Nitrous Oxide for External Cephalic Version
A Phase 3 study, sponsored by University of North Carolina, Chapel Hill.
- Completed
- Registry status
- Phase 3
- Development phase
- 48
- Enrollment target
NCT03502915: Completed Phase 3 study, sponsored by University of North Carolina, Chapel Hill.
NCT03502915 is a Phase 3 study that has completed, run by University of North Carolina, Chapel Hill. The registered enrollment target is 48 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (94% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03502915, a Phase 3 study, has completed, sponsored by University of North Carolina, Chapel Hill.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 48 participants
- Enrollment target
Study Summary
This study seeks to determine the effectiveness of nitrous oxide in reducing the anxiety and pain associated with external cephalic version (ECV); a maneuver to turn the fetus from breech to cephalic position.
Primary Outcome
Pain scores will be collected following each version attempt using an 11 point scale (with 0 being no pain at all; 10 being worst pain imaginable), ranging from 0 to 10. Higher scores indicate more pain, lower scores indicate less pain. If more than one attempt, pain scores will be averaged to obtain a single score for the entire procedure.
Interventions
- OTHER Placebo
- DRUG Nitrous Oxide
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 48 participants |
| Start Date | 2017-01-30 |
| Est. Completion | 2019-02-14 |
| Phase | Phase 3 |
What the finished NCT03502915 record still lists
NCT03502915 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 48 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (94% lower).
The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.
NCT03502915 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03502915 about?
NCT03502915 is a clinical study titled "Nitrous Oxide for External Cephalic Version". This study seeks to determine the effectiveness of nitrous oxide in reducing the anxiety and pain associated with external cephalic version (ECV); a maneuver to turn the fetus from breech to cephalic position.
What is the current status of trial NCT03502915?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 48 participants. The study started on 2017-01-30. Estimated completion is 2019-02-14.
What interventions are being tested in trial NCT03502915?
The interventions under investigation include: Placebo (OTHER), Nitrous Oxide (DRUG).
Who is sponsoring clinical trial NCT03502915?
This trial is sponsored by University of North Carolina, Chapel Hill, which has 1,109 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03502915's enrollment target sits among peer trials
48 1862nd of 2000 higher than 134 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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