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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.
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The scientific method provides the foundation for any research. It is the most reliable and objective of all forms of gaining knowledge and guides in applying research-based evidence in practice and conducting future research.
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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...
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Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
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Methodological approaches for developing, reporting, and assessing evidence-based clinical practice guidelines: a

Xiaomei Yao1, Jun Xia2, Yinghui Jin3

  • 1Department of Oncology, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada; Center for Clinical Practice Guideline Conduction and Evaluation, Children's Hospital of Fudan University, Shanghai, China.

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Summary

This study maps 46 tools for developing, reporting, and assessing clinical practice guidelines (CPGs). The findings aim to enhance user understanding and guide the selection of appropriate CPG methodologies.

Keywords:
AssessmentClinical practice guidelinesDevelopmentMethodologyReportSystematic survey

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Area of Science:

  • Health Services Research
  • Medical Informatics
  • Guideline Development Methodologies

Background:

  • Clinical practice guidelines (CPGs) are crucial for evidence-based healthcare.
  • A variety of CPG types exist, including standard, rapid, adapted, and updated guidelines.
  • The development, reporting, and assessment of CPGs require specific methodologies and tools.

Purpose of the Study:

  • To systematically map and summarize available approaches and tools for developing, reporting, and assessing four types of clinical practice guidelines.
  • To provide a comprehensive overview for the CPG community to facilitate informed decision-making.

Main Methods:

  • A systematic literature search was performed in Embase and PubMed (January 2010–October 2020).
  • Searches were supplemented by examining the Guidelines International Network and Equator Network websites.
  • Methodological papers detailing approaches/tools for CPG development, reporting, or assessment were included.

Main Results:

  • A total of 46 papers reporting 46 distinct approaches/tools were identified from 10,581 citations.
  • The majority of tools (33) focused on CPG development, with fewer for reporting (7) and assessment (6).
  • Usability or validity information was lacking for 26 of the 33 development tools, contrasting with 9 reporting/assessment tools.

Conclusions:

  • This review offers a comprehensive summary of current CPG development, reporting, and assessment tools.
  • The findings aim to improve user comprehension and support the informed selection and application of these resources.
  • Further clarity on the usability and validity of development tools is warranted.