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Pharmacogenetics and Pharmacogenomics: Overview

Pharmacogenetics and pharmacogenomics examine how genetic factors influence an individual's response to drugs. While pharmacogenetics focuses on the impact of specific genetic variants on drug effects, pharmacogenomics takes a broader approach, studying how genetic variation across populations contributes to differences in drug responses. These fields aim to explain why individuals may experience varying levels of efficacy or adverse reactions to the same medication.Variability in drug...
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Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
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Published on: February 24, 2023

Pharmacogenetics in obstetric anesthesia.

Ruth Landau1, John C Kraft

  • 1Department of Anesthesiology and Pain Medicine, University of Washington Medical Center, Seattle, Washington 98195-6540, USA. rulandau@u.washington.edu

Current Opinion in Anaesthesiology
|May 5, 2010
PubMed
Summary
This summary is machine-generated.

Genetic variations impact pain perception and response to analgesics during childbirth. Understanding these genetic profiles may help identify individuals at risk for persistent post-cesarean pain.

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Last Updated: Jun 13, 2026

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Published on: February 24, 2023

Area of Science:

  • Pharmacogenetics
  • Obstetric Anesthesia
  • Pain Management

Background:

  • Genomic research offers potential for personalized pain management in anesthesia.
  • Limited studies explore genetic polymorphism effects on labor and post-cesarean pain.
  • Persistent post-delivery pain risk highlights the need for early acute pain susceptibility identification.

Purpose of the Study:

  • Evaluate the impact of genetic polymorphisms on labor pain perception.
  • Assess the influence of genetic factors on analgesic response in obstetric anesthesia.
  • Investigate genetic predisposition to persistent pain after cesarean delivery.

Main Methods:

  • Review of current literature on genetic polymorphisms in obstetric pain.
  • Analysis of studies examining mu-opioid receptor gene variations.
  • Correlation of genetic profiles with pain perception and analgesic efficacy.

Main Results:

  • Common mu-opioid receptor gene polymorphism influences neuraxial labor analgesia.
  • This polymorphism also affects response to systemic opioids for post-cesarean pain.
  • A specific genetic profile may be associated with persistent pain risk after cesarean delivery.

Conclusions:

  • Genetic variability significantly influences pain perception during childbirth.
  • Response to analgesics and predisposition to chronic pain are affected by genetic factors.
  • While clinical applications are emerging, genetic insights are crucial for understanding obstetric pain.