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NCT07515664 · ClinicalTrials.gov registry record · Phase 4
Vitamin K for Perioperative Warfarin Management
A Phase 4 study, sponsored by University of Michigan.
- Recruiting
- Registry status
- Phase 4
- Development phase
- 20
- Enrollment target
NCT07515664: Recruiting Phase 4 study, sponsored by University of Michigan.
NCT07515664 is a Phase 4 study that is actively recruiting participants, run by University of Michigan. The registered enrollment target is 20 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT07515664, a Phase 4 study, is actively recruiting participants, sponsored by University of Michigan.
- RECRUITING
- Registry status
- Phase 4
- Development phase
- 20 participants
- Enrollment target
Study Summary
This is a feasibility study of uninterrupted warfarin with a one time dose of Vitamin K before a surgical procedure.
Primary Outcome
Percentage of recruited patients among those initially screened
Interventions
- DRUG Vitamin K
- DRUG Warfarin (standard without loading)
- DRUG Warfarin (standard with loading)
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 20 participants |
| Start Date | 2025-07-03 |
| Est. Completion | 2026-08 |
| Phase | Phase 4 |
What NCT07515664 shows while recruiting
NCT07515664 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 20 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (96% lower).
The record links to 0 conditions, and to 3 interventions - of which Vitamin K is the first listed.
NCT07515664 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT07515664 about?
NCT07515664 is a clinical study titled "Vitamin K for Perioperative Warfarin Management". This is a feasibility study of uninterrupted warfarin with a one time dose of Vitamin K before a surgical procedure.
What is the current status of trial NCT07515664?
This trial is currently recruiting. It is a Phase 4 study. The enrollment target is 20 participants. The study started on 2025-07-03. Estimated completion is 2026-08.
What interventions are being tested in trial NCT07515664?
The interventions under investigation include: Vitamin K (DRUG), Warfarin (standard without loading) (DRUG), Warfarin (standard with loading) (DRUG).
Who is sponsoring clinical trial NCT07515664?
This trial is sponsored by University of Michigan, which has 1,327 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT07515664's enrollment target sits among peer trials
20 1753rd of 2000 higher than 167 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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