Related Experiment Video
Updated: Apr 7, 2026
06:55
Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
Published on: January 8, 2020
15.5K
Methodological framework to identify possible adverse drug reactions using population-based administrative data.
Brian Sauer1, Jonathan Nebeker1, Shuying Shen1
1Informatics, Decision Enhancement, and Surveillance (IDEAS) Center, VA Salt Lake City Health Care System, Salt Lake City, UT, UT 84148, USA.
F1000Research
|July 17, 2015
Summary
This study found acetylcholinesterase inhibitors (AChEIs) are linked to gastrointestinal issues and potentially hematological adverse drug reactions (ADRs) in dementia patients. Further research is needed to confirm these drug safety signals.
Area of Science:
- Pharmacovigilance
- Clinical Epidemiology
- Health Services Research
Background:
- Dementia treatment often involves acetylcholinesterase inhibitors (AChEIs).
- Identifying adverse drug reactions (ADRs) is crucial for patient safety.
- Administrative data offers a valuable resource for pharmacovigilance.
Purpose of the Study:
- To develop and apply a framework for detecting ADRs using administrative data.
- To investigate ADRs associated with AChEI use in dementia patients.
- To examine known, potential, and novel ADRs, including death.
Main Methods:
- A cohort design linked drug utilization and medical claims data from Utah Medicaid.
- Analysis included beneficiaries aged 50+ diagnosed with dementia.
- Propensity-score matching and Cox-proportional-hazard regression were used to control for confounding.
Main Results:
- AChEI treatment was associated with gastrointestinal episodes (HR: 2.02).
- A higher risk of hematological episodes was observed with AChEI exposure (HR: 2.32).
- No significant association was found for psychological disturbances, respiratory issues, hepatic episodes, or death.
Conclusions:
- AChEI treatment is associated with gastrointestinal disturbances.
- A potential signal for hematological ADRs emerged from this pilot study.
- The developed framework can generate hypotheses for future drug safety investigations.
Related Concept Videos
01:19Pharmacovigilance
2.0K
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...
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...
2.0K
01:12Analysis of Population Pharmacokinetic Data
932
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...
932
01:24Drug Toxicity: Risk factors
184
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...
184
01:26Pharmaceutical Poisoning: Potential Scenarios
81
Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...
81
01:01Dosage Regimens: Partial Pharmacokinetic Parameters
265
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...
265
01:20Measurement of Bioavailability: Pharmacodynamic Methods
967
Pharmacodynamic methods provide insights into a drug's effects on physiological processes over time and play a crucial role in understanding bioavailability and therapeutic efficacy. These methods can be broadly classified into acute pharmacological and therapeutic response approaches, each with distinct mechanisms and applications.The acute pharmacological response method directly correlates a drug's physiological effects, such as ECG or pupil diameter changes, to its time course in the body.
967