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Assessment of Adherence to New Oral anTicoagulants in Atrial Fibrillation patiEnts Within the Outpatient registrY (ANTEY)

Assessment of Adherence to New Oral anTicoagulants in Atrial Fibrillation patiEnts Within the Outpatient registrY Profile. Prospective Observational Study. ANTEY Study

A prospective non-interventional single-centre study aimed to evaluate actual adherence of AF patients using the validated adherence Scale.

Primary Study Objective(s) Primary study objective The aim of the present study is to assess adherence to therapy and factors associated with adherence in patients with CV disease complicated by non-valvular atrial fibrillation requiring OAC treatment within the outpatient registry PROFILE (prospective, observational study).

  1. Data collection in patients with non-valvular atrial fibrillation requiring OAC treatment included in the registry
  2. Evaluation of actual patient adherence to OACs

Secondary Study Objective(s)

  1. Evaluation of potential patient adherence to OACs
  2. Determination of the most significant factors associated with adherence to OACs in patients with non-valvular AF
  3. Validation of new original 5-item Questionnaire
  4. Evaluation of doctor's adherence to OAC prescription according to Guidelines (ESC). Management of atrial fibrillation,2016)

調査の概要

状態

完了

条件

詳細な説明

AF patients from ongoing PROFILE registry will be invited to visit the scientific center.

2 visits with a 6-month interval are expected for each patient as part of routine clinical practice and phone contact is scheduled for each patient 1 year from the first visit to the scientific center (follow-up period).

研究の種類

観察的

入学 (実際)

201

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

      • Moscow、ロシア連邦、101990
        • National Research Center for Preventive Medicine

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

18年歳以上 (大人、高齢者)

健康ボランティアの受け入れ

いいえ

受講資格のある性別

全て

サンプリング方法

非確率サンプル

調査対象母集団

Primary patients with non-valvular atrial fibrillation included in the outpatient registry PROFILE during the period 01.01.2011-31.08.2015.

説明

Inclusion Criteria:

  • Men and women above 18 years of age who were included in the PROFILE registry by the start of the observational study
  • Presence of written informed consent to participate in the study, fill in the study questionnaires and have personal data analyzed
  • Presence of any form of non-valvular atrial fibrillation with CHA2DS2-VASc score of ≥1 or patients with CHA2DS2-VASc score = 0, who are already taking OAK

Exclusion Criteria:

  • Patients with high bleeding risk, including patients with:

    • Congenital or acquired bleeding disorders
    • Uncontrolled resistant hypertension
    • Exacerbation of gastric and duodenal ulcer
    • Vascular retinopathy
    • Recent history of intracranial or intracerebral hemorrhage
    • Pathology of the brain and spinal cord vessels
    • Recent history of brain, spinal cord or eye surgery
    • History of bronchiectasis or pulmonary hemorrhage
    • A CHA2DS2-VASc score of 0 (OACs are not indicated)
    • Pregnancy, lactation
    • Planned surgery
    • Known hypersensitivity to ingredients of medications used in the study

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 観測モデル:コホート
  • 時間の展望:見込みのある

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Proportions of Adherent, Partially Adherent, Partially Non-adherent and Completely Non-adherent Patients (NSEPh During V1)
時間枠:6 months

The study consisted of two visits half a year apart (V0, V1) and a phone contact (PC) one year after V0. During V0 all patients were recommended to start therapy with one of the NOACs.

Adherence to therapy was assessed during V1 with the use of the original questionnaire - National society of evidence-based pharmacotherapy (NSEPh) adherence scale.

6 months
Proportions of Adherent, Partially Adherent, Partially Non-adherent and Completely Non-adherent Patients (NSEPh During Phone Contact)
時間枠:1 year

The study consisted of two visits half a year apart (V0, V1) and a phone contact (PC) one year after V0. During V0 all patients were recommended to start therapy with one of the NOACs.

Adherence to therapy was assessed during phone contact with the use of the original questionnaire - National society of evidence-based pharmacotherapy (NSEPh) adherence scale.

Out of 201 participants of the study 4 patients died and 197 patients completed the study.

1 year

二次結果の測定

結果測定
メジャーの説明
時間枠
Proportion of Potentially Adherent Patients
時間枠:Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)
Specifically designed 5-item questionnaire was used for assessment of potential adherence to OACs. According to results patients were divided into groups: completely adherent, partially adherent, completely non-adherent to OACs.
Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)
Proportion of OACs Prescribed by Doctors According to Guidelines
時間枠:Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)

Prescription of OACs according to guidelines was considered "positive" if it matched the key points of 2016 ESC Guidelines for the management of atrial fibrillation.

  1. Oral anticoagulation therapy to prevent thromboembolism is recommended for all male AF patients with a CHA2DS2-VASc score of 2 or more.
  2. Oral anticoagulation therapy to prevent thromboembolism is recommended in all female AF patients with a CHA2DS2-VASc score of 3 or more.
  3. Antiplatelet monotherapy is not recommended for stroke prevention in AF patients, regardless of stroke risk.
  4. NOACs (apixaban, dabigatran, edoxaban, and rivaroxaban) are not recommended in patients with mechanical heart valves (Level of evidence B) or moderate-to-severe mitral stenosis (Level of evidence C).
  5. In male or female AF patients without additional stroke risk factors, anticoagulant or antiplatelet therapy is not recommended for stroke prevention.
Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)
The Main Reasons for Refusing to Start NOAC Therapy
時間枠:Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)
The study consisted of two visits half a year apart (V0, V1) and a phone contact (PC) one year after V0. During V0 all patients were recommended to start therapy with one of the NOACs. Patients refusing to start NOAC treatmet were asked about the reasons to refuse NOAC treatment.
Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)
Reasons for Stopping Oral Anticoagulants (Data From Visit 1)
時間枠:Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC))
The study consisted of two visits half a year apart (V0, V1) and phone contact (PC) one year after V0. During V0 all patients were recommended to start therapy with one of the NOACs. Patients who stopped or didn't start NOAC treatment were asked about the reasons for non-adherence to anticoagulants use during visit 1 (6 months) and at PC (1 year).
Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC))
Reasons for Stopping Oral Anticoagulants (Data From the Phone Contact)
時間枠:Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)
The study consisted of two visits half a year apart (V0, V1) and a phone contact (PC) one year after V0. During V0 all patients were recommended to start therapy with one of the NOACs. Patients who stopped NOAC treatmet were asked about the reasons for stopping oral anticoagulants (NOAC and warfarin) use during the phone contact.
Total - 1 year (two timepoints - 6 months (V1) and 1 year (PC)

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

捜査官

  • 主任研究者:Sergey Martsevich, MD,PhD、National Research Center of Preventive Medicine

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2017年9月5日

一次修了 (実際)

2018年12月28日

研究の完了 (実際)

2018年12月28日

試験登録日

最初に提出

2018年12月28日

QC基準を満たした最初の提出物

2018年12月29日

最初の投稿 (実際)

2019年1月2日

学習記録の更新

投稿された最後の更新 (実際)

2020年7月16日

QC基準を満たした最後の更新が送信されました

2020年6月30日

最終確認日

2020年5月1日

詳しくは

本研究に関する用語

その他の研究ID番号

  • ANTEY

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