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NCT01133873 · ClinicalTrials.gov registry record · Phase 4
Multiple-Ascending-Dose Study to Evaluate the Safety of Propoxyphene Napsylate In Healthy Adult Subjects
A Phase 4 study, sponsored by Xanodyne Pharmaceuticals.
- Terminated
- Registry status
- Phase 4
- Development phase
- 48
- Enrollment target
NCT01133873: Clinical Trial Phase 4 study, sponsored by Xanodyne Pharmaceuticals.
NCT01133873 is a Phase 4 study that was terminated before completion, run by Xanodyne Pharmaceuticals. The registered enrollment target is 48 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (91% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01133873, a Phase 4 study, was terminated before completion, sponsored by Xanodyne Pharmaceuticals.
- TERMINATED
- Registry status
- Phase 4
- Development phase
- 48 participants
- Enrollment target
Study Summary
The purpose of this study is to determine the daily maximum tolerated dose of propoxyphene napsylate in healthy subjects.
Interventions
- DRUG Placebo
- DRUG Propoxyphene napsylate (XP20C)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 48 participants |
| Start Date | 2010-06 |
| Est. Completion | 2010-11 |
| Phase | Phase 4 |
Why NCT01133873 stopped before completion
NCT01133873 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 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (91% lower).
The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.
NCT01133873 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01133873 about?
NCT01133873 is a clinical study titled "Multiple-Ascending-Dose Study to Evaluate the Safety of Propoxyphene Napsylate In Healthy Adult Subjects". The purpose of this study is to determine the daily maximum tolerated dose of propoxyphene napsylate in healthy subjects.
What is the current status of trial NCT01133873?
This trial is currently terminated. It is a Phase 4 study. The enrollment target is 48 participants. The study started on 2010-06. Estimated completion is 2010-11.
What interventions are being tested in trial NCT01133873?
The interventions under investigation include: Placebo (DRUG), Propoxyphene napsylate (XP20C) (DRUG).
Who is sponsoring clinical trial NCT01133873?
This trial is sponsored by Xanodyne Pharmaceuticals, which has 4 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01133873's enrollment target sits among peer trials
48 1331st of 2000 higher than 653 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 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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