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Related Concept Videos

Pharmacovigilance01:19

Pharmacovigilance

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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...
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Drug Regulation01:25

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Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
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Quantitative Aspects of Drug-Receptor Interaction01:30

Quantitative Aspects of Drug-Receptor Interaction

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The receptor occupancy theory connects a drug's response to the number of occupied receptors. With higher drug concentrations, more receptors are occupied, leading to increased responses. The formation of drug-receptor complexes involves association and dissociation rates, which reach equilibrium when the forward and backward reactions are equal. The equilibrium association constant (Ka) and its inverse, the equilibrium dissociation constant (Kd), indicate drug affinity. Higher Ka and lower...
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Allergic Drug Reactions01:27

Allergic Drug Reactions

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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
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Structure-Activity Relationships and Drug Design01:28

Structure-Activity Relationships and Drug Design

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Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
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Factors Affecting Drug Response: Overview01:21

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When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...
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Related Experiment Video

Updated: Aug 26, 2025

Using Reference Reagents to Confirm Robustness of Cytokine Release Assays for the Prediction of Monoclonal Antibody Safety
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Using Reference Reagents to Confirm Robustness of Cytokine Release Assays for the Prediction of Monoclonal Antibody Safety

Published on: September 15, 2023

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A Data-Driven Reference Standard for Adverse Drug Reaction (RS-ADR) Signal Assessment: Development and Validation.

Suehyun Lee1, Jeong Hoon Lee2, Grace Juyun Kim2

  • 1Department of Biomedical Informatics, College of Medicine, Konyang University, Daejeon, Republic of Korea.

Journal of Medical Internet Research
|October 6, 2022
PubMed
Summary

This study developed a reference standard for adverse drug reactions (ADRs) using real-world data from electronic health records. This standard helps validate drug-ADR signals, improving pharmacovigilance and patient safety.

Keywords:
ADRPVRWDRWEadverse drug reactiondrug reactionpharmacologypharmacovigilancereal-world datareal-world evidencereference standard

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Area of Science:

  • Pharmacovigilance and Drug Safety
  • Real-World Data Analysis
  • Computational Epidemiology

Background:

  • Real-world data (RWD), including multicenter electronic health records (EHRs), generate numerous adverse drug reaction (ADR) signals.
  • Lack of a validated reference standard hinders the assessment of computationally detected ADR signals.

Purpose of the Study:

  • To develop a comprehensive reference standard for ADRs (RS-ADR).
  • To facilitate systematic detection, assessment, and understanding of drug-ADR associations from RWD.

Main Methods:

  • Integrated established drug-ADR reference sets (e.g., Side Effect Resource, OMOP, EU-ADR).
  • Developed a pharmacovigilance dictionary and annotated EHR data.
  • Utilized MetaLAB, MetaNurse, and FDA Adverse Event Reporting System (FAERS) data for cross-institutional validation.

Main Results:

  • The RS-ADR includes 1344 drugs, 4485 ADRs, and over 6 million drug-ADR pairs with consensus votes.
  • Successfully validated novel ADR signals, such as famotidine-related hepatic dysfunction.
  • A web-based interface is available for querying RS-ADRs.

Conclusions:

  • The RS-ADR, enhanced by pharmacovigilance dictionaries and RWD, can streamline ADR signal detection and evaluation.
  • This standard is crucial for improving the causality assessment of ADRs identified through computational methods.
  • Future iterations will improve with increased RWD participation and advanced algorithms.