Lecture

Identifying Correct Target in Medical Chemistry

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In course

CH-332: Medicinal chemistry

Sitting at the crossroad of organic chemistry and medicine, this course outlines how an initial hit compound transitions into a lead candidate, and ultimately a drug, in the modern drug discovery world. Note: the course is held only during 2nd half of spr ...

Description

This lecture focuses on identifying the correct target, efficacy, and safety in medical chemistry. It covers topics such as the correlation between in vitro enzyme inhibition data and cell-based efficacy outcomes, the role of genetic knockdown or knockout in determining on-target specificity, and the importance of stereochemistry in drug action. Case studies, including the discovery of imatinib mesylate (Gleevec®), are discussed to illustrate key concepts in medicinal chemistry. The lecture also delves into the rules of drug-likeness, structural alerts to avoid in drug design, and the factors influencing differences in in vitro versus in vivo efficacy. Overall, it provides insights into the critical aspects of medicinal chemistry related to target identification and drug safety.

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Instructor

Yimon Aye

Official source

Related concepts (32)

Drug delivery

Drug delivery refers to approaches, formulations, manufacturing techniques, storage systems, and technologies involved in transporting a pharmaceutical compound to its target site to achieve a desired therapeutic effect. Principles related to drug preparation, route of administration, site-specific targeting, metabolism, and toxicity are used to optimize efficacy and safety, and to improve patient convenience and compliance. Drug delivery is aimed at altering a drug's pharmacokinetics and specificity by formulating it with different excipients, drug carriers, and medical devices.

Drug

A drug is any chemical substance that causes a change in an organism's physiology or psychology when consumed. Drugs are typically distinguished from food and substances that provide nutritional support. Consumption of drugs can be via inhalation, injection, smoking, ingestion, absorption via a patch on the skin, suppository, or dissolution under the tongue. In pharmacology, a drug is a chemical substance, typically of known structure, which, when administered to a living organism, produces a biological effect.

Drug design

Drug design, often referred to as rational drug design or simply rational design, is the inventive process of finding new medications based on the knowledge of a biological target. The drug is most commonly an organic small molecule that activates or inhibits the function of a biomolecule such as a protein, which in turn results in a therapeutic benefit to the patient. In the most basic sense, drug design involves the design of molecules that are complementary in shape and charge to the biomolecular target with which they interact and therefore will bind to it.

Drug development

Drug development is the process of bringing a new pharmaceutical drug to the market once a lead compound has been identified through the process of drug discovery. It includes preclinical research on microorganisms and animals, filing for regulatory status, such as via the United States Food and Drug Administration for an investigational new drug to initiate clinical trials on humans, and may include the step of obtaining regulatory approval with a new drug application to market the drug.

Drug liberalization

Drug liberalization is a drug policy process of decriminalizing or legalizing the use or sale of prohibited drugs. Variations of drug liberalization include: drug legalization, drug re-legalization and drug decriminalization. Proponents of drug liberalization may favor a regulatory regime for the production, marketing, and distribution of some or all currently illegal drugs in a manner analogous to that for alcohol, caffeine and tobacco.

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