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Explore the concept of PK/PD models, which integrate pharmacokinetics and pharmacodynamics to optimize drug dosing and efficacy.
A drug in blood exists in two forms: bound and unbound. Depending on a specific drug's affinity for plasma proteins, a proportion of the drug may become bound to the proteins, with the remainder being unbound.
The receptor occupancy model, which describes agonist and competitive antagonists, was built on the work of Langley, Hill, and Clark.The occupancy model was the first model put forward by Clark to explain the activity of drugs at receptors and quantified the relationship between drug concentration and observed effect.
Topics of pharmacodynamics. Pharmacodynamics (PD) is the study of the biochemical and physiologic effects of drugs (especially pharmaceutical drugs).The effects can include those manifested within animals (including humans), microorganisms, or combinations of organisms (for example, infection).
Pharmacokinetics (from Ancient Greek pharmakon "drug" and kinetikos "moving, putting in motion"; see chemical kinetics), sometimes abbreviated as PK, is a branch of pharmacology dedicated to describing how the body affects a specific substance after administration. [1]
The Compendium of Pharmaceuticals and Specialties: The Canadian Drug Reference for Health Professionals, more commonly known by its abbreviation CPS, [1] is a reference book that contains drug monographs and numerous features which help healthcare professionals prescribe and use drugs safely and appropriately.
Molecular pharmacology – the discipline of studying drug actions at the molecular level; it is a branch of pharmacology in general. Pharmacogenomics – the study of the human genome in order to understand the ways in which genetic factors determine the actions of medicines. [6] [7]
In biochemistry and pharmacology, a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose. The etymology stems from Latin ligare, which means 'to bind'. In protein-ligand binding, the ligand is usually a molecule which produces a signal by binding to a site on a target protein.
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