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Related Concept Videos

Preclinical Development: Overview01:28

Preclinical Development: Overview

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...
Clinical Trials: Overview01:11

Clinical Trials: Overview

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...
Pharmacovigilance01:19

Pharmacovigilance

Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
Clinical Trials01:16

Clinical Trials

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

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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, controlled...
Drug Discovery: Overview01:26

Drug Discovery: Overview

Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...

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High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)
11:38

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Published on: May 10, 2016

Preclinical safety evaluation.

Jonathon D S Holt1, Jeremy P Nuttall

  • 1International Partnership for Microbicides, 8401 Colesville Road, Suite 200, Silver Spring, MD, 20910, USA, jholt@ipmglobal.org.

Current Topics in Microbiology and Immunology
|April 25, 2013
PubMed
Summary
This summary is machine-generated.

This chapter outlines critical preclinical safety assessments for microbicides, addressing regulatory ambiguities and guiding study design for effective drug development and human trials.

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High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents (HPHC)
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Human Pluripotent Stem Cell Based Developmental Toxicity Assays for Chemical Safety Screening and Systems Biology Data Generation
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Area of Science:

  • Pharmacology and Toxicology
  • Drug Development
  • Infectious Disease Prevention

Background:

  • Pharmaceutical products require rigorous preclinical safety evaluation before human trials.
  • Regulatory guidelines exist but present ambiguities for microbicide development.
  • Specific challenges include study design, test relevance, and appropriate assays for microbicides.

Purpose of the Study:

  • To provide an overview of key issues in microbicide preclinical development.
  • To describe the purpose of essential safety tests.
  • To highlight considerations for designing individual safety studies and overall preclinical programs.

Main Methods:

  • Review of existing regulatory guidelines for preclinical safety testing.
  • Identification of specific challenges and ambiguities related to microbicides.
  • Discussion of in vitro and in vivo study designs relevant to microbicide safety.

Main Results:

  • Key issues in microbicide preclinical development are identified.
  • The purpose and considerations for various safety studies are described.
  • Guidance is provided for designing robust preclinical safety programs.

Conclusions:

  • Clearer application of regulatory guidelines is needed for microbicide safety assessment.
  • Careful consideration of study design and assay relevance is crucial.
  • This chapter offers a framework for optimizing preclinical microbicide development.