Status:

COMPLETED

Evaluation of the Duration of Therapy for Thrombosis in Children

Lead Sponsor:

Johns Hopkins All Children's Hospital

Collaborating Sponsors:

National Heart, Lung, and Blood Institute (NHLBI)

Conditions:

Venous Thrombosis

Eligibility:

All Genders

Up to 20 years

Phase:

PHASE3

Brief Summary

The Kids-DOTT trial is a randomized controlled clinical trial whose primary objective is to evaluate non-inferiority of shortened-duration (6 weeks) versus conventional-duration (3 months) anticoagula...

Detailed Description

Children (birth to 21 years of age, inclusive) with first-episode venous thrombosis in association with a reversible clinical trigger (key exclusions: history of cancer; severe thrombophilia state dis...

Eligibility Criteria

Inclusion

  • Children (birth to \<21 years of age) with radiologically-confirmed acute deep venous thrombosis in the past 30 days
  • In the opinion of the investigator, the venous thrombosis was a provoked (i.e., non-spontaneous) event (e.g.: hospitalization; Central venous catheterization; infection; dehydration; surgery; trauma; immobility; use of estrogen-containing oral contraceptive pills; flare of autoimmune/rheumatologic condition).

Exclusion

  • Prior episode of VTE
  • Malignancy that, in the opinion of the treating oncologist, is not in remission (note: remission may exist on or off anti-neoplastic therapy)
  • Systemic lupus erythematosus
  • Pulmonary embolism that is not accompanied by DVT or is more proximal than segmental branches of the pulmonary artery
  • Use of, or intent to use, thrombolytic therapy
  • Chronic anticoagulant at prophylactic dosing is being or will be administered beyond 6 months post VTE diagnosis
  • Moderate/severe anticoagulant deficiency (defined by any one of the following):
  • protein C \<20 IU/dL if patient is ≥3 months of age, or protein C below lower limit of detection if patient is \<3 months of age;
  • antithrombin \<30 IU/dL if patient is ≥3 months of age, or antithrombin below lower limit of detection if patient is \<3 months of age;
  • protein S (free antigen or activity) \<20 IU/dL.

Key Trial Info

Start Date :

March 1 2008

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 15 2022

Estimated Enrollment :

532 Patients enrolled

Trial Details

Trial ID

NCT00687882

Start Date

March 1 2008

End Date

February 15 2022

Last Update

June 18 2025

Active Locations (63)

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Page 1 of 16 (63 locations)

1

University of Alabama Birmingham

Birmingham, Alabama, United States, 35233

2

Phoenix Children's Hospital

Phoenix, Arizona, United States, 85016

3

Arkansas Children's Hospital

Little Rock, Arkansas, United States, 72202

4

Children's Hospital Los Angeles

Los Angeles, California, United States, 90027