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Related Concept Videos

Clinical Trials: Overview01:11

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...
Clinical Trials01:16

Clinical Trials

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...
Preclinical Development: Overview01:28

Preclinical Development: Overview

Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
Clinically Relevant Drug Product Specifications: Methods of Establishment01:29

Clinically Relevant Drug Product Specifications: Methods of Establishment

Product specifications define the acceptable quality of a pharmaceutical product by ensuring identity, purity, potency, and strength. These specifications serve as benchmarks during development, manufacturing, and post-approval quality control. Clinically relevant specifications are particularly important because they directly relate to a drug's safety and efficacy in clinical use.Dissolution studies are critical biopharmaceutic tools that link in vitro behavior to in vivo performance. They...
Study Designs in Epidemiology01:20

Study Designs in Epidemiology

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.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and case-control studies.
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

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...

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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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Developing core outcome sets for clinical trials: issues to consider.

Paula R Williamson1, Douglas G Altman, Jane M Blazeby

  • 1Department of Biostatistics, University of Liverpool, Shelley's Cottage, Brownlow Street, Liverpool, L69 3GS, UK. prw@liv.ac.uk

Trials
|August 8, 2012
PubMed
Summary
This summary is machine-generated.

Standardizing outcomes in clinical trials is essential for reducing bias and ensuring relevance. Developing a core outcome set provides a minimum standard for measurement and reporting across trials in specific clinical areas.

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Area of Science:

  • Clinical Trial Design and Methodology
  • Health Outcomes Research
  • Evidence-Based Medicine

Background:

  • Appropriate outcome selection in clinical trials is critical for minimizing bias and enabling direct intervention comparisons.
  • There is increasing recognition of the need for greater attention to outcomes measured in clinical trials.
  • Outcomes must be relevant and important to stakeholders, including patients, the public, and healthcare professionals, to influence policy and practice.

Purpose of the Study:

  • To address the insufficient attention paid to outcomes measured in clinical trials.
  • To propose the development and use of standardized collections of outcomes, known as core outcome sets.
  • To provide general guidance on the development of core outcome sets for specific clinical areas.

Main Methods:

  • Identifying key issues for consideration in core outcome set development.
  • Considering the scope of the core outcome set.
  • Involving relevant stakeholder groups in the consensus process.

Main Results:

  • Accumulating work highlights the need for standardized core outcome sets in clinical trials.
  • Key development issues include scope, stakeholder involvement, consensus methods, and achieving consensus.

Conclusions:

  • Core outcome sets are crucial for standardizing minimum outcome reporting in clinical trials.
  • Development requires careful consideration of scope, stakeholder engagement, and consensus-building methodologies.
  • Standardized core outcome sets will improve the quality and comparability of clinical trial evidence.