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Related Concept Videos

Clinical Trials01:16

Clinical Trials

7.0K
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...
7.0K
Clinical Trials: Overview01:11

Clinical Trials: Overview

3.2K
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...
3.2K
Preclinical Development: Overview01:28

Preclinical Development: Overview

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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...
4.7K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

162
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,...
162
Blinding01:11

Blinding

2.5K
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.
2.5K
Bioequivalence: Overview01:16

Bioequivalence: Overview

1.2K
Pharmaceutical equivalents, by definition, are drug products with the same active ingredient in the same quantities, encapsulated in identical dosage forms, and intended for the same administration routes. These pharmaceutical equivalents are deemed bioequivalent if the bioavailability of the active entity in the drug preparations is similar. Moreover, pharmaceutical equivalents demonstrating bioequivalence are also regarded as therapeutically equivalent. This means that when used as directed,...
1.2K

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Related Experiment Video

Updated: Aug 28, 2025

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
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A value proposition for pragmatic clinical trials.

Lorella Palazzo1, Leah Tuzzio, Greg E Simon

  • 1Kaiser Permanente Washington Health Research Institute, 1730 Minor Ave, Ste 1600, Seattle, WA 98101.

The American Journal of Managed Care
|September 19, 2022
PubMed
Summary

Pragmatic clinical trials offer significant benefits for research but face implementation challenges. Understanding their origin and value is key to optimizing this research design.

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Area of Science:

  • Clinical Research Methodology
  • Health Services Research

Background:

  • Pragmatic clinical trials (PCTs) are designed to evaluate interventions in real-world settings.
  • Assessing the value of PCTs requires understanding their historical context and inherent complexities.

Purpose of the Study:

  • To examine the origins of pragmatic clinical trials.
  • To outline the benefits and challenges associated with PCTs.
  • To evaluate the overall value and utility of this research design.

Main Methods:

  • Literature review and synthesis of existing research on pragmatic clinical trials.
  • Analysis of case studies and examples of PCTs.
  • Discussion of the practical implications and limitations of PCTs.

Main Results:

  • PCTs have evolved to address the need for research generalizability.
  • Key benefits include enhanced external validity and relevance to clinical practice.
  • Significant challenges involve logistical complexities, stakeholder engagement, and data standardization.

Conclusions:

  • Pragmatic clinical trials are a valuable research design for bridging the gap between efficacy and effectiveness.
  • Addressing the identified challenges is crucial for maximizing the impact and value of PCTs.
  • Further research and methodological refinement are needed to optimize PCTs.