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Clinical Trials01:16

Clinical Trials

6.6K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
6.6K
Hazard Ratio01:12

Hazard Ratio

67
The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
67
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

106
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,...
106
Randomized Experiments01:13

Randomized Experiments

6.6K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
6.6K
Blinding01:11

Blinding

2.3K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.3K
Types of Reports III: Telephone and Verbal Reports01:26

Types of Reports III: Telephone and Verbal Reports

686
Telephone and Verbal Reports in healthcare settings are two communication methods for conveying therapeutic instructions from healthcare providers to nurses or other healthcare staff.
Here's an overview of each type:
Telephone Orders
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CONSORT 2025の声明:ランダム化試験の報告に関する最新ガイドライン

Sally Hopewell1, An-Wen Chan2, Gary S Collins3

  • 1Oxford Clinical Trials Research Unit, Centre for Statistics in Medicine, University of Oxford, Oxford UK.

Lancet (London, England)
|April 17, 2025
PubMed
まとめ

報告試験の統合基準 (CONSORT) 2025の更新された声明は,ランダム化試験の報告品質を改善します. 新しい項目,改訂,より明確で透明な試験出版のためのオープンサイエンスセクションが含まれています.

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A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
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科学分野:

  • 臨床試験の方法論
  • 科学的報告基準
  • 証拠 に 基づく 医学

背景:

  • ランダム化試験は医療介入の証拠に不可欠ですが,報告の質はしばしば最適ではありません.
  • 試験報告の統合基準 (CONSORT) の声明は,ランダム化試験の報告の質を向上させることを目的としています.
  • CONSORTの以前のバージョンは,1996年,2001年,2010年に発表された.

研究 の 目的:

  • 最近の方法論的進歩とユーザーからのフィードバックを取り入れ,更新されたCONSORT 2025声明を提示する.
  • ランダム化試験の報告のための修正された最低限の項目セットを提供すること.
  • ランダム化試験の結果の報告の明確性と透明性を確保する.

主な方法:

  • CONSORTに関連する証拠のプロジェクト特有のデータベースを開発しました.
  • 潜在的なチェックリストの変更は,CONSORT拡張の著者からの勧告と他の報告ガイドラインで補足されました.
  • 国際オンライン調査 (317名の参加者) と専門家のコンセンサス会議 (30名の専門家) を通じて,提案された変更を評価した.

主要な成果:

  • CONSORTのチェックリストには,新しい項目が7つ追加され,3つの項目が修正され,1つの項目が削除され,重要な拡張項目が統合されました.
  • CONSORT 2025 ステートメントには30項目のチェックリストと参加者のフロー図が含まれています.
  • 再構成されたチェックリストにオープンサイエンスに関する新しいセクションが組み込まれました.

結論:

  • CONSORT 2025 ステートメントは,ランダム化試験の報告のための最新の枠組みを提供します.
  • チェックリストの拡張版は,支援の実施に利用できます.
  • 著者,編集者,査読者は,ランダム化試験の原稿の明確性と透明性を向上させるためにCONSORT 2025を使用すべきである.