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Completed Phase 3 Interventional Results available

Once - Daily Oral Direct Factor Xa Inhibitor Rivaroxaban In The Long-Term Prevention Of Recurrent Symptomatic Venous Thromboembolism In Patients With Symptomatic Deep-Vein Thrombosis Or Pulmonary Embolism. The Einstein-Extension Study

ClinicalTrials.gov ID: NCT00439725

Public ClinicalTrials.gov record NCT00439725. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 4:18 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Once-daily Oral Direct Factor Xa Inhibitor Rivaroxaban in the Long-term Prevention of Recurrent Symptomatic Venous Thromboembolism in Patients With Symptomatic Deep-vein Thrombosis or Pulmonary Embolism. The Einstein-Extension Study

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a multicenter, randomized, double-blind, placebo-controlled, event-driven, superiority study for efficacy. Patients with confirmed symptomatic DVT (deep vein thrombosis) or PE (pulmonary embolism) who completed 6 or 12 months of treatment with rivaroxaban or VKA (vitamin K antagonist) are eligible for this trial (Einstein-Extension study).

Study identification

NCT ID
NCT00439725
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Bayer
Industry
Enrollment
1,197 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 2007 (Type not available)
Primary completion
Aug 2009 (Actual)
Completion
Sep 2009 (Actual)
Last update posted
Nov 4, 2014

2007 – 2009

United States locations

U.S. sites
25
U.S. states
17
U.S. cities
23
Facility City State ZIP Site status
Not listed Little Rock Arkansas 72205 —
Not listed Los Angeles California 90095 —
Not listed Redlands California 92373 —
Not listed Bay Pines Florida 33744 —
Not listed Melbourne Florida 32901 —
Not listed Miami Florida 33136-1096 —
Not listed Miami Florida 33136 —
Not listed Decatur Georgia 30033 —
Not listed Idaho Falls Idaho 83404 —
Not listed Covington Louisiana 70433 —
Not listed Baltimore Maryland 21215-5271 —
Not listed Boston Massachusetts 02215 —
Not listed Albuquerque New Mexico 87108 —
Not listed Chapel Hill North Carolina 27599-7035 —
Not listed Greensboro North Carolina 27401 —
Not listed Greensboro North Carolina 27403 —
Not listed Oklahoma City Oklahoma 73104 —
Not listed Pittsburgh Pennsylvania 15224 —
Not listed Corsicana Texas 75110 —
Not listed San Antonio Texas 78229 —
Not listed Murray Utah 84107 —
Not listed Salt Lake City Utah 84132 —
Not listed Burlington Vermont 05401 —
Not listed Fredericksburg Virginia 22401 —
Not listed Spokane Washington 99204 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 297 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00439725, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 4, 2014 · Synced Oct 24, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00439725 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →