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Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
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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...
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Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
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Evaluating Online Consumer Medication Information Systems: Comparative Online Usability Study.

Stefan Sigle1,2,3, Pilar Barriga2, Francisco Javier Correa Fernández4

  • 1Department of Telemedicine, University Clinic Münster, University of Münster, Münster, Germany.

JMIR Mhealth and Uhealth
|June 4, 2020
PubMed
Summary
This summary is machine-generated.

A new reference implementation for online medication information systems improved usability for patients and physicians, and exceeded satisfaction for pharmacists. This interoperable model empowers users in the pharmaceutical sector.

Keywords:
implementation scienceinformation managementinteroperabilityonline consumer medication informationonline usability studysociotechnical system

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Area of Science:

  • Health Informatics
  • Pharmaceutical Sciences
  • Human-Computer Interaction

Background:

  • Online consumer medication information systems (OCMIS) are increasing but can create information asymmetry.
  • Usability of OCMIS is crucial for effective healthcare information exchange.

Purpose of the Study:

  • To quantify and compare the usability of an OCMIS against a reference implementation.
  • To evaluate the system for patients, physicians, and pharmacists.

Main Methods:

  • Online usability study with 137 patients, 81 physicians, and 68 pharmacists.
  • Administered 3 use cases and post hoc questionnaires.
  • Collected quantitative (task success, task time, System Usability Scale) and qualitative data.

Main Results:

  • Task success rates varied across user groups and systems.
  • Pharmacists showed significant improvements in satisfaction (P<.001) and task time (P=.007) with the reference implementation.
  • Patients showed significant differences in satisfaction (P=.02) and task time (P=.03).

Conclusions:

  • A vendor-neutral reference implementation using an interoperable information model is a promising approach for OCMIS.
  • This model demonstrated comparable or superior usability and satisfaction for patients and physicians, and superior satisfaction for pharmacists.
  • The approach fosters data democratization and empowers pharmaceutical stakeholders through user-tailored features.