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  2. Pharmacokinetics - Wikipedia

    en.wikipedia.org/wiki/Pharmacokinetics

    Pharmacokinetics is based on mathematical modeling that places great emphasis on the relationship between drug plasma concentration and the time elapsed since the drug's administration. Pharmacokinetics is the study of how an organism affects the drug, whereas pharmacodynamics (PD) is the study of

  3. Drug metabolism - Wikipedia

    en.wikipedia.org/wiki/Drug_metabolism

    Drug metabolism is the metabolic breakdown of drugs by living organisms, usually through specialized enzymatic systems. More generally, xenobiotic metabolism (from the Greek xenos "stranger" and biotic "related to living beings") is the set of metabolic pathways that modify the chemical structure of xenobiotics, which are compounds foreign to an organism's normal biochemistry, such as any drug ...

  4. ADME - Wikipedia

    en.wikipedia.org/wiki/ADME

    ADME is the four-letter abbreviation (acronym) for absorption, distribution, metabolism, and excretion, and is mainly used in fields such as pharmacokinetics and pharmacology. The four letter stands for descriptors quantifying how a given drug interacts within body over time.

  5. Pharmacology - Wikipedia

    en.wikipedia.org/wiki/Pharmacology

    Drug metabolism is assessed in pharmacokinetics and is important in drug research and prescribing. Pharmacokinetics is the movement of the drug in the body, it is usually described as 'what the body does to the drug' the physico-chemical properties of a drug will affect the rate and extent of absorption, extent of distribution, metabolism and ...

  6. Drug action - Wikipedia

    en.wikipedia.org/wiki/Drug_action

    The action of drugs on the human body (or any other organism's body) is called pharmacodynamics, and the body's response to drugs is called pharmacokinetics. The drugs that enter an individual tend to stimulate certain receptors, ion channels, act on enzymes or transport proteins. As a result, they cause the human body to react in a specific way.

  7. Distribution (pharmacology) - Wikipedia

    en.wikipedia.org/wiki/Distribution_(pharmacology)

    Distribution in pharmacology is a branch of pharmacokinetics which describes the reversible transfer of a drug from one location to another within the body. Once a drug enters into systemic circulation by absorption or direct administration, it must be distributed into interstitial and intracellular fluids.

  8. Lipinski's rule of five - Wikipedia

    en.wikipedia.org/wiki/Lipinski's_Rule_of_Five

    Lipinski's rule of five, also known as Pfizer's rule of five or simply the rule of five (RO5), is a rule of thumb to evaluate druglikeness or determine if a chemical compound with a certain pharmacological or biological activity has chemical properties and physical properties that would likely make it an orally active drug in humans.

  9. Clinical pharmacology - Wikipedia

    en.wikipedia.org/wiki/Clinical_pharmacology

    Pharmacokinetics – what happens to the drug while in the body. This involves the body systems for handling the drug, usually divided into the following classification: Absorption – the processes by which the drug move into the bloodstream from the site of administration (e.g. the gut)

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