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Related Concept Videos

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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Clinical Trials: Overview01:11

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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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Microorganisms in Medicine and Therapeutics01:29

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Drug Discovery: Overview01:26

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Expression and Purification of Virus-like Particles for Vaccination
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Key steps in vaccine development.

Peter L Stern1

  • 1Manchester Cancer Research Centre, University of Manchester, UK.

Annals of Allergy, Asthma & Immunology : Official Publication of the American College of Allergy, Asthma, & Immunology
|February 12, 2020
PubMed
Summary
This summary is machine-generated.

This review covers the development of safe and effective vaccines, detailing pathogen epidemiology, immune response, and formulation. It emphasizes the importance of preclinical and clinical trials for ensuring vaccine safety and efficacy.

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Area of Science:

  • Immunology and Vaccinology
  • Infectious Disease Prevention

Background:

  • Vaccines prime the immune system to create memory for rapid pathogen control and disease prevention.
  • Understanding vaccine development is crucial in an era of increasing vaccine hesitancy.

Purpose of the Study:

  • To review the essential elements for developing safe and effective vaccines.
  • To discuss vaccine formulation, preclinical, and clinical trial requirements.

Main Methods:

  • Literature review of target pathogen epidemiology and immune response.
  • Analysis of vaccine types (live, inactivated, attenuated, fractional) and adjuvant use.
  • Examination of preclinical (animal models) and clinical trial designs.

Main Results:

  • Vaccine development involves balancing reactogenicity and immunogenicity.
  • Three phases (preclinical, clinical, post-licensure) ensure product safety, immunogenicity, and efficacy.
  • Post-licensure monitoring is vital for sustained confidence in vaccination programs.

Conclusions:

  • A widespread understanding of immunization benefits is needed to counter vaccine hesitancy.
  • Vaccination is a critical medical intervention that has saved numerous lives.
  • Societal responsibility includes educating the public on the benefits of vaccination.