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Related Concept Videos

Clinical Trials01:16

Clinical Trials

10.9K
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...
10.9K
Clinical Trials: Overview01:11

Clinical Trials: Overview

5.1K
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...
5.1K
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...
6.1K
Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

190
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
190
Bioequivalence studies: Biowaivers01:13

Bioequivalence studies: Biowaivers

329
Body:In certain scenarios, in vitro dissolution tests can replace in vivo bioequivalence studies. This is particularly true when a drug product, though available in varying strengths, maintains proportional similarity in its active and inactive ingredients. In such cases, the need for in vivo bioequivalence studies for lower strength variants may be waived, provided dissolution tests and in vivo studies on the highest strength yield satisfactory results.Bioequivalence can be indicated through...
329
Blinding01:11

Blinding

4.0K
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.
4.0K

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Related Experiment Video

Updated: Feb 25, 2026

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
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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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Clinical trials. A pending subject.

B Gil-Extremera1, P Jiménez-López1, J D Mediavilla-García1

  • 1Departamento de Medicina, Universidad de Granada, Granada, España.

Revista Clinica Espanola
|August 5, 2017
PubMed
Summary
This summary is machine-generated.

Physician participation in clinical trials benefits patients and advances medical knowledge. Engaging in research enhances medical practice and offers significant career advantages.

Keywords:
Clinical trialDiabetesDislipidemiasDyslipidaemiaEnsayo clínicoHipertensiónHypertension

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Area of Science:

  • Clinical Medicine
  • Medical Research

Background:

  • Clinical trials are fundamental to advancing medical diagnostics and therapeutics.
  • Over 150,000 clinical trials have been conducted since 1948 across diverse medical fields.

Purpose of the Study:

  • To emphasize the critical importance of physician involvement in clinical trials.
  • To synthesize nearly three decades of clinical trial experience in key areas.
  • To provide insights into Phase I unit operations and ongoing research.

Main Methods:

  • Review of clinical trial data and experiences spanning almost 30 years.
  • Synthesis of research findings in hypertension, diabetes, dyslipidemia, and ischemic heart disease.
  • Description of Phase I unit characteristics and current research projects.

Main Results:

  • Physician participation in clinical trials yields substantial benefits for patients.
  • Clinical trials drive medical progress and enhance physicians' academic standing.
  • Extensive experience has been gathered in managing trials for major chronic diseases.

Conclusions:

  • Physicians are encouraged to participate in clinical trials throughout their careers.
  • Active involvement in clinical research is crucial for medical advancement.
  • The article serves as a guide and testament to the value of clinical research participation.