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Completed

NCT Number: NCT02596230

RE-COVERY DVT/PE: Global Study on Treatment Secondary Prevention of Acute Venous Thromboembolism

RE-COVERY is a large, multi-national, multi-center observational study based on new data collection. The study will enroll and characterize patients within 30 days of being diagnosed with an acute DVT and/or PE. The study has two main objectives. Objective 1 will characterize the DVT / PE patient population. All patients with a DVT and/or PE will be enrolled for cross-sectional characterization of the VTE patient population. Objective 2 will compare the safety and effectiveness of dabigatran etexilate regimens for treatment of VTE in comparison to VKA regimens. Patients treated with dabigatran etexilate or VKA will be followed up for the occurrence of outcome events for up to one year.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Hospital Universitario Austral, Buenos Aires, 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

  • Written informed consent provided by the patient in accordance with local regulations
  • Diagnosis of an acute DVT and/or PE (For objective 1, assessment of patient for study participation should be done ideally within 14 days but not more than 6 months after diagnosis of the acute VTE. For Objective 2, patient assessment should occur ideally within 14 days but not more than 30 days from diagnosis)
  • Age >= 18 years
  • For Objective 2, the planned anticoagulation therapy should be for at least 3 months
  • For Objective 2, dabigatran and vitamin K antagonist patients should be available for follow-up data collection

Exclusion criteria

  • Need for anticoagulation therapy for conditions other than venous thromboembolism (VTE)
  • Current participation in a clinical trial for VTE indication or current use of an unapproved drug

Treatment and study plan

Primary outcomes

  1. Objective 1: Age

    Time frame: Baseline collected within 14 days but not more than 6 months after diagnosis of acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Age in years of eligible patients collected for Objective 1 during baseline at the time of index event. Aim of Objective 1 was to characterize the Venous Thromboembolism (VTE) patient population including the initial acute event phase, i.e. all patients regardless of treatment. Patients who enrolled in Objective 1 and were treated with VKA or dabigatran were also eligible for Objective 2. The aim of objective 2 was to analyze the safety and effectiveness of dabigatran regimens in the treatment of DVT and PE over 1 year of follow-up in comparison to a VKA regimen.

    The arm presented in this endpoint was separated into three arms in the participant flow tables ("Not assigned to Dabigatran etexilate or Vitamin K antagonist","Dabigatran etexilate (1)" and "Vitamin K antagonist (1)") in order to distinguish patients participating in both objectives from patients only in objective 2.

  2. Objective 1: Sex

    Time frame: Baseline collected within 14 days but not more than 6 months after diagnosis of acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Sex of eligible patients collected for Objective 1 during baseline at the time of index event. Aim of Objective 1 was to characterize the Venous Thromboembolism (VTE) patient population including the initial acute event phase, i.e. all patients regardless of treatment. Patients who enrolled in Objective 1 and were treated with VKA or dabigatran were also eligible for Objective 2. The aim of objective 2 was to analyze the safety and effectiveness of dabigatran regimens in the treatment of DVT and PE over 1 year of follow-up in comparison to a VKA regimen.

    The arm presented in this endpoint was separated into three arms in the participant flow tables ("Not assigned to Dabigatran etexilate or Vitamin K antagonist","Dabigatran etexilate (1)" and "Vitamin K antagonist (1)") in order to distinguish patients participating in both objectives from patients only in objective 2.

  3. Objective 1: Index Event

    Time frame: Baseline collected within 14 days but not more than 6 months after diagnosis of acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Type of index event (e.g., DVT or PE or DVT and PE) diagnosed at the time of acute Venous Thromboembolism (VTE) event of eligible patients collected for Objective 1 during baseline at the time of index event. Aim of Objective 1 was to characterize the Venous Thromboembolism (VTE) patient population including the initial acute event phase, i.e. all patients regardless of treatment. Patients who enrolled in Objective 1 and were treated with VKA or dabigatran were also eligible for Objective 2. The aim of objective 2 was to analyze the safety and effectiveness of dabigatran regimens in the treatment of DVT and PE over 1 year of follow-up in comparison to a VKA regimen.

    The arm presented in this endpoint was separated into three arms in the participant flow tables ("Not assigned to Dabigatran etexilate or Vitamin K antagonist","Dabigatran etexilate (1)" and "Vitamin K antagonist (1)") in order to distinguish patients participating in both objectives from patients only in objective 2.

  4. Objective 1: Anticoagulant Treatment

    Time frame: Baseline collected within 14 days but not more than 6 months after diagnosis of acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Type of treatment received following acute Venous Thromboembolism (VTE) event of eligible patients collected for Objective 1 during baseline at the time of index event. Aim of Objective 1 was to characterize the Venous Thromboembolism (VTE) patient population including the initial acute event phase, i.e. all patients regardless of treatment. Patients who enrolled in Objective 1 and were treated with VKA or dabigatran were also eligible for Objective 2. The aim of objective 2 was to analyze the safety and effectiveness of dabigatran regimens in the treatment of DVT and PE over 1 year of follow-up in comparison to a VKA regimen.

    The arm presented in this endpoint was separated into three arms in the participant flow tables ("Not assigned to Dabigatran etexilate or Vitamin K antagonist","Dabigatran etexilate (1)" and "Vitamin K antagonist (1)") in order to distinguish patients participating in both objectives from patients only in objective 2.

  5. Objective 2: Incidence Rate of ISTH (International Society on Thrombosis and Haemostasis) Major Bleeding and CRNMB (Clinically Relevant Non Major Bleeding) Per 100 Patient-years (Pt-yrs)

    Time frame: 12 months following acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Incidence rate of ISTH (International Society on Thrombosis and Haemostasis) major bleeding and CRNMB (clinically relevant non major bleeding) per 100 patient-years (1/(100*patient-years)). Each patient in the two treatment groups was weighted proportionally to the probability of that patient being assigned to the opposite treatment group, conditional on relevant observed baseline variables. The propensity scores were estimated using the multivariable logistic regression model.

    For the restricted patient set, as a sensitivity analysis, the calculation of incidence rates and cumulative risks was performed without censoring at permanent discontinuation.

  6. Objective 2: Symptomatic Recurrent VTE (Venous Thromboembolism) Including VTE Related Mortality

    Time frame: 12 months following acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Incidence rate of Symptomatic Recurrent VTE (Venous Thromboembolism) including VTE related mortality per 100 patient-years (1/(100*patient-years)). Each patient in the two treatment groups was weighted proportionally to the probability of that patient being assigned to the opposite treatment group, conditional on relevant observed baseline variables. The propensity scores were estimated using the multivariable logistic regression model.

    For the restricted patient set, as a sensitivity analysis, the calculation of incidence rates and cumulative risks was performed without censoring at permanent discontinuation.

Secondary outcomes

  1. Objective 2: Incidence Rate of Recurrent DVT and/or PE

    Time frame: 12 months following acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Incidence rate of Recurrent Deep Vein Thrombosis (DVT) and/or Pulmonary Embolism (PE) per 100 patient-years (1/(100*patient-years)). Each patient in the two treatment groups was weighted proportionally to the probability of that patient being assigned to the opposite treatment group, conditional on relevant observed baseline variables. The propensity scores were estimated using the multivariable logistic regression model.

    For the restricted patient set, as a sensitivity analysis, the calculation of incidence rates and cumulative risks was performed without censoring at permanent discontinuation.

  2. Objective 2: Incidence Rate of VTE-related Mortality

    Time frame: 12 months following acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Incidence rate of VTE-related Mortality per 100 patient-years (1/(100*patient-years)). Each patient in the two treatment groups was weighted proportionally to the probability of that patient being assigned to the opposite treatment group, conditional on relevant observed baseline variables. The propensity scores were estimated using the multivariable logistic regression model.

    For the restricted patient set, as a sensitivity analysis, the calculation of incidence rates and cumulative risks was performed without censoring at permanent discontinuation.

  3. Objective 2: Incidence Rate of All-cause Mortality

    Time frame: 12 months following acute deep vein thrombosis (DVT) and/or pulmonary embolism (PE).

    Incidence rate of all-cause mortality per 100 patient-years (1/(100*patient-years)). Each patient in the two treatment groups was weighted proportionally to the probability of that patient being assigned to the opposite treatment group, conditional on relevant observed baseline variables. The propensity scores were estimated using the multivariable logistic regression model.

    For the restricted patient set, as a sensitivity analysis, the calculation of incidence rates and cumulative risks was performed without censoring at permanent discontinuation.

Sponsors and collaborators

Lead sponsor

Boehringer Ingelheim

Industry

Registry information

Official study title

Characterization of Patients Following Acute Venous Thromboembolism (VTE) and Safety and Effectiveness of Dabigatran Etexilate (DE) in the Treatment and Secondary Prevention of Acute Deep Vein Thrombosis (DVT) and Pulmonary Embolism (PE) in Comparison to Vitamin K Antagonist (VKA) in Routine Clinical Practice - RE-COVERY DVT/PE

Important dates

Study start
2015
Primary completion
2019
Study completion
2019
First posted
Nov 4, 2015
Registry last updated
Apr 29, 2020

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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