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Related Concept Videos

Clinical Trials01:16

Clinical Trials

11.1K
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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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...
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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
Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

201
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,...
201
Drug Administration and Therapy Phases: Overview01:26

Drug Administration and Therapy Phases: Overview

1.6K
Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
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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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Physicians' perspectives regarding pragmatic clinical trials.

Rachel Topazian1, Juli Bollinger1, Kevin P Weinfurt2,3

  • 1Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD, USA.

Journal of Comparative Effectiveness Research
|July 16, 2016
PubMed
Summary

Physicians are willing to join pragmatic clinical trials (PCTs) if benefits are clear and burdens are minimal. Ensuring patient rights and high-quality care are key motivators for physician participation in research.

Keywords:
comparative effectiveness researchethicsqualitative research

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Area of Science:

  • Clinical Research
  • Health Services Research
  • Comparative Effectiveness Research

Background:

  • Physicians frequently participate in pragmatic clinical trials (PCTs) and comparative effectiveness research.
  • Understanding physician perspectives is crucial for optimizing trial design and recruitment.

Purpose of the Study:

  • To explore physicians' views and attitudes towards participating in PCTs.
  • To identify factors influencing physician engagement in clinical trials.

Main Methods:

  • Conducted in-depth, semistructured interviews with 20 physicians in the USA.
  • Qualitative research methodology to gather detailed insights.

Main Results:

  • Physicians express general willingness to participate in PCTs.
  • Key factors influencing participation include perceived benefits, reduced time and workflow disruption, and active engagement.
  • Physicians prioritize patient rights, interests, and maintaining high standards of care.

Conclusions:

  • Physician support for PCTs is contingent on clear benefits and manageable burdens.
  • Further research should assess the ethical implications and clinician-accepted burdens in PCTs.