Related Concept Videos
01:16Clinical Trials
6.9K
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...
There are four phases in a clinical trial. A phase one...
6.9K
01:11Clinical 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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01:16Crossover Experiments
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Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
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01:28Preclinical 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...
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01:23Types 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,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
151
01:11Blinding
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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.
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Related Experiment Video
Updated: Jul 31, 2025
09:09
In Silico Clinical Trials for Cardiovascular Disease
Published on: May 27, 2022
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Clinical trials reimagined.
1Department of Medicine, Stanford University School of Medicine, Palo Alto, California, USA.
Hepatology (Baltimore, Md.)
|May 4, 2023
Summary
Clinical trials are crucial for advancing liver disease therapies. Future hepatology trials will integrate technology and inclusive designs to meet unmet needs and improve patient outcomes.
Area of Science:
- Hepatology
- Clinical Trial Design
- Medical Technology
Background:
- Clinical trials are fundamental to developing evidence-based therapies for liver diseases.
- The COVID-19 pandemic necessitated adaptations in clinical trial operations, highlighting areas for innovation.
Conclusions:
- Evolving clinical trial methodologies offer significant opportunities to advance novel therapeutics for liver diseases.
- The integration of technology and patient-centric approaches will accelerate therapeutic development.
- Improved trial conduct will ultimately enhance the quality of life for patients with liver disease.