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Related Concept Videos

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...
Analysis of Population Pharmacokinetic Data01:12

Analysis of Population Pharmacokinetic Data

Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
Dosage Regimens: Partial Pharmacokinetic Parameters01:01

Dosage Regimens: Partial Pharmacokinetic Parameters

It is not uncommon for complete drug pharmacokinetic profiles to remain elusive in pharmacokinetics. This necessitates certain educated assumptions by pharmacokineticists to determine appropriate dosage regimens without comprehensive pharmacokinetic data from animal or human studies. One prevalent assumption is setting the bioavailability factor, denoted as F, to 1 or 100%. This assumption caters to the scenario where a drug doesn't achieve full systemic absorption, resulting in the patient...
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...
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...

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Related Experiment Videos

Pharmacovigilance in pregnancy using population-based linked datasets.

Lyn Colvin1, Linda Slack-Smith, Fiona J Stanley

  • 1Centre for Child Health Research, Telethon Institute for Child Health Research, The University of Western Australia, Australia. lync@ichr.uwa.edu.au

Pharmacoepidemiology and Drug Safety
|January 29, 2009
PubMed
Summary

Linking prescription medicine dispensing data to pregnancy records in Western Australia is feasible. This study found that 28% of pregnancies involved dispensed medicines, with links to increased smoking and birth defects.

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Area of Science:

  • Reproductive Health
  • Pharmacoepidemiology
  • Public Health Surveillance

Background:

  • National dispensing data for subsidized prescription medicines are now linkable to population-based health datasets in Western Australia (WA).
  • This linkage enables the study of medication use and its impact on pregnancy outcomes.
  • Previous research has been limited by the lack of integrated data.

Purpose of the Study:

  • To assess the feasibility of linking dispensing data to pregnancy events in Western Australia.
  • To investigate patterns of medication use during pregnancy.
  • To explore potential associations between medication use and adverse pregnancy outcomes.

Main Methods:

  • Pregnancy events (2002-2005) were identified from the Hospital Morbidity Data System and linked to multiple registries, including the pharmaceutical benefit scheme.
  • Dispensing records (N = 1,276,084) were extracted for linked pregnancy events (N = 98,265 women).
  • Data linkage included the midwives' notification system, birth/death registry, and birth defects registry.

Main Results:

  • Dispensed medicines were linked to 28.0% of pregnancy events.
  • Medication dispensing was more likely in multiple births and with increasing parity.
  • Women dispensed medication were more likely to smoke and had a higher risk of registered birth defects; 2.1% received Category D/X drugs in the first trimester.

Conclusions:

  • Linking dispensing data to pregnancy events is a feasible method for post-marketing surveillance.
  • This approach enhances Australia's resources for investigating prescribed medicine safety in pregnancy.
  • Further research can utilize this linkage to improve understanding of medication safety during pregnancy.