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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...
11.0K
Clinical Trials: Overview01:11

Clinical Trials: Overview

5.2K
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...
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Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

196
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,...
196
Bioequivalence studies: Biowaivers01:13

Bioequivalence studies: Biowaivers

357
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...
357
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

511
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,...
511
Preclinical Development: Overview01:28

Preclinical Development: Overview

6.3K
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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A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
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When clinical trials compete: prioritising study recruitment.

Luke Gelinas1, Holly Fernandez Lynch2, Barbara E Bierer3

  • 1Petrie-Flom Center at Harvard Law School and Harvard Catalyst, Cambridge, Massachusetts, USA.

Journal of Medical Ethics
|January 22, 2017
PubMed
Summary

Institutions should prioritize clinical trial recruitment to ethically manage competition for limited patient populations. This approach minimizes incomplete studies and participant risks, ensuring fairness for all involved stakeholders.

Keywords:
Clinical trialsEthicsPhilosophical EthicsResearch EthicsResource Allocation

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Area of Science:

  • Clinical research ethics
  • Healthcare management
  • Medical trial recruitment

Background:

  • Multiple clinical trials often recruit from the same limited patient pool, leading to competition.
  • This competition is linked to lower study accrual and recruitment shortfalls.
  • There is no established institutional policy to address this recruitment competition.

Purpose of the Study:

  • To argue for the ethical permissibility and preference of institutional policies for prioritizing clinical trial recruitment.
  • To address the ethical challenges posed by concurrent recruitment from limited patient populations.
  • To propose a framework for developing criteria for prioritizing clinical trials.

Main Methods:

  • Ethical argumentation based on minimizing study incompletion and participant risk.
  • Analysis of fairness to stakeholders including participants, investigators, and funders.
  • Proposal of key questions for developing prioritization criteria.

Main Results:

  • An institutional prioritization policy is ethically permissible and preferable to alternative methods.
  • Prioritization can mitigate risks associated with incomplete studies and participant burden.
  • A framework for fair prioritization can be established.

Conclusions:

  • Prioritizing clinical trials is an ethically sound strategy to manage recruitment competition.
  • Such policies protect participants from unnecessary risks and burdens.
  • Further discussion is needed to establish substantive ethical criteria for trial prioritization.