関連する実験動画
Updated: May 10, 2026

23:33
The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
大動脈細動患者のダビガトラン治療に関する長期多センター観察研究 (RELY-ABLE)
Stuart J Connolly1, Lars Wallentin, Michael D Ezekowitz
1Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Canada.connostu@phri.ca
Circulation
|June 18, 2013
まとめ
動脈動患者におけるダビガトランの長期使用は,両方の用量で同様の脳卒中と死亡率を示した. しかし,150 mgの投与量は,110 mgの投与量と比較して重度の出血のリスクが高いと関連していました.
科学分野:
- 心臓病学 心臓病学
- 薬理学 薬理学とは
- クリニック・トライアル 臨床試験
背景:
- 長期抗凝固療法 (RE-LY) のランダム化評価試験は,心房細動患者の脳卒中予防のためのダビガトランエテキサートの有効性と安全性を以前確立しました.
- ダビガトランの延長フォローアップデータと,2つの投与レジームの直接比較が必要でした.
研究 の 目的:
- 心房細動患者におけるダビガトランエテキサート2用 (150mgと110mg2回/日) の長期的な安全性と有効性を評価する.
- ダビガトランの治療を継続している患者の初期RE-LY試験を超えてフォローアップ期間を延長するために.
主な方法:
- 大動脈細動 (RELY-ABLE) 患者におけるダビガトラン治療の長期マルチセンター延長試験には,RE-LY試験の患者で,割り当てられたダビガトランの投与量を継続した患者が登録されました.
- RE-LY後のフォローアップは最大28ヶ月まで延長され,5851人の登録患者で,フォローアップ期間の中央値は2.3年であった.
- 脳卒中,全身栓塞,大出血,死亡の発生率は,ダビガトランの両方の投与量で分析されました.
主要な成果:
- 脳卒中または全身性血栓塞栓の発生率は,2つの投与量間で比較可能であった:150 mgの年間1.46%および110 mgの年間1.60% (HR 0.91; 95% CI, 0.69-1.20).
- 大出血の発生率は,ダビガトランの150 mg (3.74%/年) が110 mg (2.99%/年) に比べて高かった (HR 1.26; 95% CI, 1.04-1.53).
- 死亡率は2つのグループで類似した: 150 mgでは3.02%/年,110 mgでは3.10%/年 (HR 0.97; 95% CI, 0.80-1.19).
結論:
- 2.3年間延長されたダビガトランの治療は,150mgと110mgの2回1日1回の投与で,同様の脳卒中と死亡率を示しました.
- 重度の出血の発生率は,110mgの投与量と比較して,150mgの投与量で著しく高かった.
関連する概念動画
Acute Coronary Syndrome III: Diagnostic Studies
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Pharmacovigilance
Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
Bioavailability Study Design: Single Versus Multiple Dose Studies
Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
Bioavailability Study Design: Healthy Subjects Versus Patients
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
Clinical Trials: Overview
Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
