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Related Concept Videos

Clinical Trials01:16

Clinical Trials

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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.
There are four phases in a clinical trial. A phase one...
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Clinical Trials: Overview01:11

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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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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,...
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Study Designs in Epidemiology01:20

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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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The Scientific Method in Nursing Process01:18

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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.
When using research findings to change practice, one must understand the process used to guide a study. The scientific method is a systematic, step-by-step process that supports the data's validity, reliability, and generalizability. As a result, findings can be...
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Nursing Clinical Information System (NCIS)
A Nursing Clinical Information System (NCIS) is a specialized type of healthcare information system tailored to meet the unique needs of nursing practice. It incorporates the principles of nursing informatics to streamline information management and improve the quality of care delivery.
Critical attributes of NCIS include:
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Updated: Jul 14, 2025

How to Administer Near-Infrared Spectroscopy in Critically ill Neonates, Infants, and Children
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Clinical systematic reviews - a brief overview.

Mayura Thilanka Iddagoda1,2, Leon Flicker3,4

  • 1University of Western Australia, Stirling Hwy, Crawley, Perth, WA, 6009, Australia. Mayura.Iddagoda@health.wa.gov.au.

BMC Medical Research Methodology
|October 10, 2023
PubMed
Summary

This article simplifies the complex process of conducting a systematic review by outlining seven manageable steps. It provides a single-paper guide for researchers needing to perform systematic reviews or meta-analyses.

Keywords:
Certainty of evidenceEffect measureHeterogeneityMeta-analysisRisk of biasSytematic review

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Area of Science:

  • Medical Research Methodology
  • Evidence-Based Practice

Background:

  • Systematic reviews are crucial for answering research questions using defined methodologies.
  • Conducting systematic reviews requires synthesizing knowledge from multiple articles, a complex undertaking.
  • A clear, consolidated guide is needed to navigate the systematic review process effectively.

Purpose of the Study:

  • To consolidate the entire process of conducting a systematic review into a single, accessible paper.
  • To provide a clear, step-by-step guide for researchers undertaking systematic reviews or meta-analyses.

Main Methods:

  • Examination of statistical concepts and sequential steps for systematic reviews and meta-analyses.
  • Description of the systematic review process structured into seven distinct, manageable steps.
  • Inclusion of practical examples to illustrate each step of the methodology.

Main Results:

  • A seven-step process for conducting clinical systematic reviews is detailed.
  • Each step is elucidated with examples for enhanced understanding.
  • The article presents a simplified approach to a complex research methodology.

Conclusions:

  • The article successfully simplifies the intricate process of conducting a systematic review.
  • It serves as a comprehensive, single-resource guide for researchers.
  • The presented methodology aids in the efficient execution of systematic reviews.