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Related Concept Videos

Bioavailability Study Design: Single Versus Multiple Dose Studies01:11

Bioavailability Study Design: Single Versus Multiple Dose Studies

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...
Bioequivalence of Drugs: Drugs with Multiple Indications01:09

Bioequivalence of Drugs: Drugs with Multiple Indications

The concept of therapeutic equivalence (TE) in drugs with multiple indications is complex. A generic drug may be therapeutically equivalent to a brand-name product for one specific indication, but this doesn't necessarily mean it's equivalent for all other indications. Evidence of TE in one patient group and bioequivalence shown in healthy volunteers can support—but not confirm—TE for other indications. However, definitive proof requires individual clinical studies for each indication due to...
Measurement of Bioavailability: Pharmacodynamic Methods01:20

Measurement of Bioavailability: Pharmacodynamic Methods

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.
Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

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,...
Drug Products: Biologics, Biosimilars and Interchangeables01:28

Drug Products: Biologics, Biosimilars and Interchangeables

Biologics, derived from living sources such as humans, animals, or microorganisms, represent a significant category of pharmaceuticals. These complex molecules, developed through advanced biotechnological methods or purified from natural sources, include essential medical treatments like insulin and growth hormones. The complexity of biologics arises from their large molecular structures and the intricate processes required for their production, making them distinct from conventional...
Therapeutic Drug Monitoring: Drug Analysis Methods01:26

Therapeutic Drug Monitoring: Drug Analysis Methods

Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...

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In Vitro Methods for Comparing Target Binding and CDC Induction Between Therapeutic Antibodies: Applications in Biosimilarity Analysis
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Biotherapeutic bioanalysis: a multi-indication case study review.

Heather A Myler1, Allison Given, Karen Kolz

  • 1Bristol-Myers Squibb, Route 206 & Province Line Rd., Princeton, NJ 08540, USA. heather.myler@bms.com

Bioanalysis
|March 23, 2011
PubMed
Summary
This summary is machine-generated.

Understanding biotherapeutic structure is key for pharmacokinetic characterization across diverse models and patient populations. This review details strategies and technologies for over 50 biotherapeutics, enhancing bioanalytical workflow efficiency.

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Area of Science:

  • Pharmacokinetics
  • Bioanalytical Chemistry
  • Biotherapeutics

Background:

  • Biotherapeutic development requires robust pharmacokinetic (PK) characterization.
  • Diverse therapeutic modalities and evolving landscapes necessitate adaptable bioanalytical strategies.

Purpose of the Study:

  • To summarize key parameters influencing bioanalytical strategy for PK characterization of biotherapeutics.
  • To review various therapeutic modalities and their implications for bioanalysis.
  • To highlight efficient workflow management and new technologies in biotherapeutic bioanalysis.

Main Methods:

  • Review of parameters impacting bioanalytical strategy for over 50 biotherapeutics.
  • Analysis of diverse therapeutic modalities including monoclonal antibodies, fusion proteins, and antibody-drug conjugates.
  • Evaluation of new technologies for enhanced throughput and characterization.

Main Results:

  • Identified critical parameters for PK characterization across preclinical models and patient populations.
  • Covered a wide range of biotherapeutic types and their specific bioanalytical considerations.
  • Discussed the impact of workflow efficiency and emerging technologies like Meso Scale Discovery, Gyrolab, and affinity MS.

Conclusions:

  • A comprehensive understanding of biotherapeutic structure and biology is essential for effective PK strategy.
  • Efficient bioanalytical workflow management and adoption of new technologies are crucial for modern biotherapeutic development.