Does Low Dose Oral Vitamin K Improve International Normalized Ratio (INR) Stability? (OVWAC VII)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00990158
Recruitment Status : Completed
First Posted : October 6, 2009
Last Update Posted : May 21, 2015
McMaster University
University of Western Ontario, Canada
Information provided by (Responsible Party):
Mark Crowther, St. Joseph's Healthcare Hamilton

No Study Results Posted on for this Study
  Recruitment Status : Completed
  Actual Primary Completion Date : April 2014
  Actual Study Completion Date : April 2014
Crowther MA, Ageno W, Garcia D, Wang L, Witt DM, Clark NP, et al. Effectiveness of low dose oral vitamin K for patients with elevated INR values: results of a randomized trial examining clinical outcomes. Journal of Thrombosis & Haemostasis 5[S2], PS 219. 2008.
Proportion Difference Power / Sample Size Calculation. 8-7-2008.

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