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Related Concept Videos

Drug toxicity: Idiosyncratic Reactions01:16

Drug toxicity: Idiosyncratic Reactions

Idiosyncratic drug reactions represent abnormal chemical responses that vary significantly among individuals, ranging from extreme sensitivity to low doses to insensitivity to high doses. These reactions often occur due to the drug's covalent binding with serum proteins, forming a foreign hapten that triggers an immunotoxicological response. The variability in drug reactions has a strong pharmacogenetic foundation, with genetic differences crucial in how individuals metabolize drugs. For...
Toxicity Testing in Animals01:23

Toxicity Testing in Animals

Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
Drug Toxicity: Risk factors01:24

Drug Toxicity: Risk factors

Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
Drug Toxicity: Overview01:00

Drug Toxicity: Overview

Drug toxicity quantifies the harm a compound causes to an organism, varying by dose and potentially impacting whole systems or specific organs like the liver. Toxic reactions may arise from venomous insect or spider bites, with effects ranging from mild symptoms to severe outcomes such as brain damage or death. Common forms of acute poisoning include ethanol intoxication and overdose of pain or fever medications, with substances like GHB and heroin being particularly lethal at doses close to...
Toxic Reactions: Overview01:26

Toxic Reactions: Overview

When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Drug Toxicity: Dose-Dependent Reactions01:24

Drug Toxicity: Dose-Dependent Reactions

Drug toxicities can be stratified into pharmacological, pathological, or genotoxic based on their mechanisms. The incidence and severity of these toxicities generally increase with the drug's concentration in the body and exposure time.Pharmacological toxicity is evident when the therapeutic effects of drugs overshoot into adverse reactions in a predictable, dose-dependent manner. Central nervous system (CNS) depression from barbiturates is a classic example, with effects escalating from...

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Toxicologic pathology in a multicultural world--India.

A Eric Schultze1, Vijayapal R Reddy, Kevin B Donnelly

  • 1Department of Pathology, Lilly Research Laboratories, Division of Eli Lilly and Company, Indianapolis, Indiana 46225, USA.

Toxicologic Pathology
|August 24, 2011
PubMed
Summary
This summary is machine-generated.

India is becoming a major hub for global drug development, offering significant opportunities for pharmaceutical companies. Careful evaluation of research partners ensures successful collaborations and cost-effective drug discovery.

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Area of Science:

  • Pharmaceutical Sciences
  • Global Health
  • Biotechnology

Background:

  • The global drug development landscape is expanding internationally.
  • India is emerging as a significant economic player in pharmaceutical research and development.
  • Factors contributing to India's growth include advancements in higher education and recent patent law reforms.

Purpose of the Study:

  • To highlight the growing opportunities for international pharmaceutical companies in India.
  • To identify key factors driving India's emergence in drug development.
  • To provide guidance on establishing successful research partnerships in India.

Main Methods:

  • Analysis of socioeconomic factors influencing pharmaceutical market expansion in India.
  • Review of recent legislative changes impacting intellectual property and investment.
  • Assessment of the capabilities and services offered by Indian contract research organizations.

Main Results:

  • India presents expanding opportunities for pharmaceutical market entry and drug development collaborations.
  • Enhanced patent laws and a strong educational foundation are attracting international investment.
  • A growing number of competent contract research organizations offer cost-effective services and access to skilled professionals.

Conclusions:

  • India offers a promising environment for mutually beneficial drug development partnerships.
  • Due diligence is essential when selecting Indian laboratory services, focusing on facilities, personnel, and practices.
  • Strategic collaborations in India can help mitigate rising drug development costs and access new markets.