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Completed

NCT Number: NCT00329238

Secondary Prevention of Venous Thrombo Embolism (VTE).

The general aim of this study is to determine the comparative safety and efficacy of dabigatran etexilate administered orally and warfarin (International Normalized Ratio (INR) of 2.0-3.0) for the long-term treatment and secondary prevention of symptomatic venous thromboembolism in patients who have been successfully treated with standard doses of an approved anticoagulant for three to twelve months for confirmed acute symptomatic Venous Thrombo-embolism.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

1160.47.54017 Boehringer Ingelheim Investigational Site, Adrogué, Argentina

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Inclusion_Criteria

  • Acute symptomatic deep vein thrombosis (DVT)
  • Pulmonary embolism (PE) 3-12 months prior to screening, which has been documented by objective testing

Exclusion criteria

Exclusion_Criteria

  • Symptomatic DVT or PE at screening Interruption of anticoagulant therapy for 2 or more weeks during the 3-12 months of treatment for the prior VTE.
  • Patients who in the investigators judgement are perceived as having an excessive risk of bleeding Elevated Aspartate aminotransferase (AST) or Alanine tranminase (ALT) > 2x ULN
  • Severe renal impairment (estimated creatinine clearance <= 30 ml/min)

Treatment and study plan

dabigatran

Drug

Dabigatran 150 mg BID (twice daily)

Warfarin

Drug

Warfarin dosed individually to maintain INR 2.0-3.0

Primary outcomes

  1. Composite of Recurrent VTE or VTE Death at 36 Months

    Time frame: 36 months

    Endpoint is a composite of recurrent Venous Thromboembolic Event (VTE) and death related to VTE. VTE was defined as the composite of symptomatic Deep Vein Thrombosis (DVT) of the leg and Pulmonary embolism (PE). All recurrent VTEs required objective verification by definitive diagnostic evaluation. In case of death, autopsy was an additional way to confirm VTE.

  2. Composite of Recurrent VTE or VTE Death at 18 Months

    Time frame: 18 months

    Endpoint is a composite of recurrent Venous Thromboembolic Event (VTE) and death related to VTE. VTE was defined as the composite of symptomatic Deep Vein Thrombosis (DVT) of the leg and Pulmonary embolism (PE). All recurrent VTEs required objective verification by definitive diagnostic evaluation. In case of death, autopsy was an additional way to confirm VTE.

Secondary outcomes

  1. Composite of Recurrent VTE or All Cause Death at 36 Months

    Time frame: 36 months

    Endpoint is a composite of recurrent Venous Thromboembolic Event (VTE) and all cause death. VTE was defined as the composite of symptomatic Deep Vein Thrombosis (DVT) of the leg and Pulmonary embolism (PE). All recurrent VTEs required objective verification by definitive diagnostic evaluation.

  2. Composite of Recurrent VTE or All Cause Death at 18 Months

    Time frame: 18 months

    Endpoint is a composite of recurrent Venous Thromboembolic Event (VTE) and all cause death. VTE was defined as the composite of symptomatic Deep Vein Thrombosis (DVT) of the leg and Pulmonary embolism (PE). All recurrent VTEs required objective verification by definitive diagnostic evaluation.

  3. Deep Vein Thrombosis (DVT) at 36 Months

    Time frame: 36 months

    Symptomatic Deep vein thrombosis (DVT). All DVT events required objective verification through definitive diagnostic evaluation.

  4. DVT at 18 Months

    Time frame: 18 months

    Symptomatic Deep vein thrombosis (DVT). All DVT events required objective verification through definitive diagnostic evaluation.

  5. Symptomatic Pulmonary Embolism (PE) at 36 Months

    Time frame: 36 months

    Symptomatic pulmonary embolism (PE) at 36 Months (fatal or non-fatal). All suspected PEs required confirmation by one of the following: ventilation-perfusion (V-Q) lung scan, pulmonary angiography, or spiral (helical) Computed tomography.

  6. Symptomatic Pulmonary Embolism (PE) at 18 Months

    Time frame: 18 months

    Symptomatic pulmonary embolism (PE) at 18 Months (fatal or non-fatal). All suspected PEs required confirmation by one of the following: ventilation-perfusion (V-Q) lung scan, pulmonary angiography, or spiral (helical) Computed tomography.

  7. Deaths Related to VTE at 36 Months

    Time frame: 36 months

    Deaths related to VTE (i.e. fatal PE) at 36 Months. Deaths related to VTE (i.e. fatal PE) at 18 Months. All deaths were centrally adjudicated by the Independent Central Adjudication Committee for VTE and death in a treatment-blinded way.

  8. Deaths Related to VTE at 18 Months

    Time frame: 18 months

    Deaths related to VTE (i.e. fatal PE) at 18 Months. All deaths were centrally adjudicated by the Independent Central Adjudication Committee for VTE and death in a treatment-blinded way.

  9. Deaths of All Causes at 36 Months

    Time frame: 36 months

    Deaths of all causes at 36 Months. All components of the primary efficacy endpoint and all deaths were centrally adjudicated by the Independent Central Adjudication Committee for VTE and death without knowledge of any individual treatment assignments.

  10. Deaths of All Causes at 18 Months

    Time frame: 18 months

    Deaths of all causes at 18 Months. All components of the primary efficacy endpoint and all deaths were centrally adjudicated by the Independent Central Adjudication Committee for VTE and death without knowledge of any individual treatment assignments.

  11. Number of Participants With Bleeding Events

    Time frame: first intake of study drug until 6 days following last intake of study drug

    MBE (major bleeding event) if it fulfilled at least one of the following criteria

    • Fatal bleeding
    • Symptomatic bleeding in a critical area or organ.
    • Bleeding causing a fall in haemoglobin level of 20 g/L (1.24 mmol/L) or more, or leading to transfusion of 2 or more units of whole blood or red cells.

    Minor bleeding event was any bleeding that did not fulfil any of the criteria for MBEs

    CRBE (clinically relevant bleeding event) if it is a minor bleeding events which fulfilled at least one of the following criteria

    • Spontaneous skin haematoma ≥25 cm2
    • Spontaneous nose bleed >5 min duration
    • Macroscopic haematuria, either spontaneous or, if associated with an intervention, lasting >24 h
    • Spontaneous rectal bleeding
    • Gingival bleeding >5 min
    • Bleeding leading to hospitalisation or requiring surgical treatment
    • Bleeding leading to a transfusion of <2 units of whole blood or red cells
    • Any other bleeding event considered clinically relevant by the investigator
  12. Laboratory Analysis

    Time frame: 18 months + 30 days follow up

    Patients with LFT (liver function tests) increases of possible clinical significance during treatment. Increases of possible clinical significance were defined as: ≥3 x ULN (AST, ALT), ≥2 x ULN (AP), and ≥2 mg/dL (total bilirubin). Only patients with a baseline value which was not of possible clinical significance (or without any baseline value) could have a PCSA (Possible clinically significant abnormality).

  13. Number of Participants With Definite Acute Coronary Syndrome (ACS)

    Time frame: day of first study drug intake until last day of study drug intake; from the day after last intake of study drug until trial termination

    All suspected ACS occurring during the trial were to be recorded on the CRF and were to be centrally adjudicated by an independent ACS/AC in a treatment-blinded manner.

Sponsors and collaborators

Lead sponsor

Boehringer Ingelheim

Industry

Registry information

Official study title

A Phase III, Randomised, Multicenter, Double-blind, Parallel-group, Active Controlled Study to Evaluate the Efficacy and Safety of Oral Dabigatran Etexilate (150 mg Bid) Compared to Warfarin (INR 2.0-3.0) for the Secondary Prevention of Venous Thromboembolism.

Acronym: RE-MEDY

Important dates

Study start
2006
Primary completion
2010
First posted
May 24, 2006
Registry last updated
May 19, 2014

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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