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Related Concept Videos

Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

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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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Study Designs in Epidemiology01:20

Study Designs in Epidemiology

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Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
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Bioavailability Study Design: Single Versus Multiple Dose Studies01:11

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Bioavailability studies are essential for understanding how a drug is absorbed, distributed, metabolized, and excreted in the body. These studies assess the extent and rate at which the active pharmaceutical agent becomes available at the site of action. The design of bioavailability studies can involve single-dose or multiple-dose regimens, each with distinct advantages and limitations.Single-dose studies are the preferred approach due to their simplicity and reduced drug exposure for...
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Bioavailability Study Design: Absolute Versus Relative Bioavailability01:27

Bioavailability Study Design: Absolute Versus Relative Bioavailability

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Bioavailability is a crucial pharmacokinetic parameter that quantifies the proportion of an administered drug that reaches the systemic circulation and is available for therapeutic action. Regulatory agencies mandate the assessment of bioavailability, typically measured as the area under the drug plasma concentration-versus-time curve (AUC), to ensure the efficacy and safety of pharmaceutical products. These evaluations are categorized as absolute and relative bioavailability studies.Absolute...
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Bioequivalence studies: Biowaivers01:13

Bioequivalence studies: Biowaivers

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In certain scenarios, in vitro dissolution tests can replace in vivo bioequivalence studies. This is particularly true when a drug product, though available in varying strengths, maintains proportional similarity in its active and inactive ingredients. In such cases, the need for in vivo bioequivalence studies for lower strength variants may be waived, provided dissolution tests and in vivo studies on the highest strength yield satisfactory results.Bioequivalence can be indicated through...
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Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

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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.
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Related Experiment Video

Updated: Mar 7, 2026

Biobank for Translational Medicine: Standard Operating Procedures for Optimal Sample Management
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Overview of the BioBank Japan Project: Study design and profile.

Akiko Nagai1, Makoto Hirata2, Yoichiro Kamatani3

  • 1Department of Public Policy, Institute of Medical Science, The University of Tokyo, Tokyo, Japan.

Journal of Epidemiology
|February 13, 2017
PubMed
Summary

The BioBank Japan (BBJ) Project established a large biobank for personalized medicine research. This infrastructure supports genomic studies on common diseases, aiding future medical advancements.

Keywords:
BioBank Japan ProjectBiobankGenomic researchPersonalized medicine

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Area of Science:

  • Genomics
  • Personalized Medicine
  • Biobanking

Background:

  • The BioBank Japan (BBJ) Project, initiated in 2003, aimed to build a comprehensive patient-based biobank.
  • The project sought to gather evidence supporting the implementation of personalized medicine.

Purpose of the Study:

  • To describe the study design and participant profile of the BioBank Japan (BBJ) Project during its initial 5-year phase.
  • To establish infrastructure for genomic research on common diseases.

Main Methods:

  • Enrolled patients with 47 target common diseases across 12 Japanese medical institutes (June 2003-March 2008).
  • Collected annual clinical data via interviews and medical records until 2013.
  • Gathered baseline DNA and annual serum samples, with survival data for 32 specific diseases.

Main Results:

  • Registered 200,000 participants, with 199,982 available for baseline analysis (53.1% male).
  • Average age at entry was 62.7 years for men and 61.5 years for women.
  • Survival data for 141,612 participants were analyzed.

Conclusions:

  • The BBJ Project successfully created essential infrastructure for genomic research on common diseases.
  • Integrated clinical and genomic data from BBJ are crucial for advancing personalized medicine.