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Related Concept Videos

Ethics in Research01:56

Ethics in Research

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Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

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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.
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Ethical Dilemmas II01:30

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Resolving an ethical dilemma in healthcare involves a systematic approach that considers every aspect of the issue, respecting both the patient's needs and values and the healthcare professional's ethical obligations. Here are potential steps to resolve an ethical dilemma:
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Ethical Issues01:27

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Nurses are essential in patient care, upholding the ethical principles of their profession and effectively navigating ethical dilemmas. Neglecting ethical issues can lead to inadequate patient care, compromised therapeutic relationships, and moral distress among healthcare workers.
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Ethical Dilemmas I01:17

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Ethical dilemmas in nursing are of utmost importance, as they often arise from the tension between adhering to core ethical principles and the practical realities of healthcare delivery. These dilemmas require nurses to navigate complex situations where competing ethical considerations pull them in different directions.
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Ethics and Bioethics01:22

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Ethics is a philosophical study of moral actions. Ethics attempts to determine what is valuable for individuals and society. It examines the rational justification of moral judgments and analyzes what is morally just, fair, and right. Bioethics is a sub-discipline of applied ethics that analyzes the philosophical, social, and legal issues in life sciences and medicine. Ethical theories serve as a foundation for decision-making and represent the viewpoints from which people seek direction. They...
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Related Experiment Video

Updated: Dec 7, 2025

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SARS-CoV-2 challenge studies: ethics and risk minimisation.

Susan Bull1, Euzebiusz Jamrozik2, Ariella Binik3

  • 1The Ethox Centre & Wellcome Centre for Ethics and the Humanities, Nuffield Department of Population Health, University of Oxford, Oxford, Oxfordshire, UK susan.bull@ethox.ox.ac.uk.

Journal of Medical Ethics
|September 26, 2020
PubMed
Summary

Conducting controlled human infection studies (CHIs) for COVID-19 vaccine development requires careful ethical review. Rigorous risk assessment, considering treatment availability and site selection, is crucial for ethical acceptability of SARS-CoV-2 challenge studies.

Keywords:
clinical trialsethicsresearch ethicsscientific research

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Area of Science:

  • Public Health
  • Infectious Diseases
  • Bioethics

Background:

  • COVID-19 presents a significant global health challenge.
  • Accelerated vaccine development necessitates ethical research pathways, including controlled human infection studies (CHIs).
  • SARS-CoV-2 CHIs raise ethical, legal, and clinical concerns regarding volunteer safety.

Purpose of the Study:

  • To critically review criteria for ethical acceptability of SARS-CoV-2 CHIs.
  • To evaluate the necessity of effective treatment for ethical SARS-CoV-2 CHIs.
  • To assess the influence of COVID-19 incidence on study site selection for CHIs.

Main Methods:

  • Systematic review of ethical criteria for research risk.
  • Critical analysis of proposed criteria for SARS-CoV-2 CHIs.
  • Evaluation of factors influencing ethical acceptability of challenge studies.

Main Results:

  • Differing criteria exist for assessing research risks in a dynamic epidemiological context.
  • The necessity of effective treatment as a condition for ethical acceptability is examined.
  • The impact of COVID-19 incidence on study site selection is evaluated.

Conclusions:

  • Ethical evaluations of SARS-CoV-2 CHIs demand rigorous, consultative, and holistic risk assessment.
  • Systematic risk evaluations are critical for informing the ethics of proposed challenge studies.
  • A comprehensive approach to risk assessment is essential for responsible scientific advancement.