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Related Concept Videos

Clinical Trials01:16

Clinical Trials

11.0K
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...
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Clinical Trials: Overview01:11

Clinical Trials: Overview

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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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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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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,...
515
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...
6.3K
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs01:15

Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs

354
Bioequivalence experimental study designs play a pivotal role in testing the effectiveness of various treatments. Key among these are the repeated measures, cross-over, carry-over, and Latin square designs. In the repeated measures design, each subject receives all treatments, allowing for temporal comparisons. This type of design is useful in reducing variability but requires careful planning to avoid bias.The cross-over design, an economical method, involves sequential administration of...
354
Randomized Experiments01:13

Randomized Experiments

9.2K
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
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Related Experiment Video

Updated: Mar 10, 2026

The Participant-Reported Implementation Update and Score PRIUS: A Novel Method for Capturing Implementation-Related Data Over Time
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The Participant-Reported Implementation Update and Score PRIUS: A Novel Method for Capturing Implementation-Related Data Over Time

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Methods and processes for development of a CONSORT extension for reporting pilot randomized controlled trials.

Lehana Thabane1, Sally Hopewell2, Gillian A Lancaster3

  • 1Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario Canada.

Pilot and Feasibility Studies
|December 15, 2016
PubMed
Summary

New guidelines are proposed to improve the reporting of pilot and feasibility randomized controlled trials (RCTs). This aims to enhance transparency and quality in planning future definitive RCTs.

Keywords:
CONSORT extensionPilot randomized controlled trialReporting guideline

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Area of Science:

  • Clinical Trials Methodology
  • Research Reporting Standards

Background:

  • Pilot and feasibility studies are crucial for planning larger randomized controlled trials (RCTs).
  • Current reporting of these studies is often inadequate due to unclear definitions and lack of explicit publication policies.
  • There is a significant need for improved guidelines to enhance the reporting of pilot and feasibility studies.

Purpose of the Study:

  • To develop an extension of the Consolidated Standards of Reporting Trials (CONSORT) Statement specifically for pilot and feasibility RCTs.
  • To provide clear guidance for reporting studies conducted in preparation for definitive RCTs.

Main Methods:

  • A multi-stage project involving literature review, stakeholder engagement (CONSORT group, editors, funders, researchers), and expert consultation.
  • Utilized a Delphi process to establish expert consensus on definitions and a reporting checklist.
  • Conducted a consensus meeting to refine checklist items and developed a guideline document with explanations and examples.

Main Results:

  • Development of a comprehensive guideline document for reporting pilot and feasibility RCTs.
  • The guideline is based on the 2010 CONSORT statement extension and expert consensus.
  • Includes an explanation and elaboration (E&E) document with practical advice and examples.

Conclusions:

  • Implementation of the new guideline is expected to improve the completeness, transparency, and quality of pilot RCT reporting.
  • Benefits are anticipated for authors, funding agencies, educators, researchers, and end-users of trial data.
  • This will ultimately enhance the successful execution of future definitive RCTs.