Drug metabolism - PowerPoint PPT Presentation

The Age-Friendly app addresses the crucial issue of drug-drug interactions between current prescriptions and over-the-counter analgesics in the geriatric population. With a significant percentage of OTC sales attributed to older adults, there is an increased risk of adverse drug events due to polyph

1 views • 25 slides

Pharmacokinetics, as explained in a lecture by Oula Mohammed Sami, M.B.Ch.B/MSc in clinical pharmacology, delves into how the body processes drugs, contrasting with pharmacodynamics which focuses on drug actions. Key topics covered include properties influencing treatment outcomes, the significance

6 views • 45 slides

Digestion and metabolism of protein in both ruminants and non-ruminants involve enzymatic breakdown of proteins into polypeptides and amino acids in the stomach and intestines. Key enzymes such as pepsin, trypsin, and chymotrypsin play important roles in protein digestion. Gastric digestion in the s

3 views • 14 slides

Drug regulation involves controlling drug use through international agreement authorities like the FDA, EMA, and PMDA. The FDA plays a crucial role in drug evaluation and research, biologic evaluation, devices, and food safety. There are various types of applications for drug approval, along with a

0 views • 28 slides

Nitrogen metabolism is crucial in the biosynthesis of amino acids such as glutamate and glutamine, incorporating ammonia for various physiological processes. Ammonia is efficiently transported and stored using compounds like alanine and glutamate, playing a key role in the urea cycle. Glutamate, a v

0 views • 22 slides

Polymeric controlled drug delivery systems play a crucial role in regulating drug release through diffusion, solvent penetration, and chemical mechanisms. These systems include diffusion-controlled, solvent-controlled, and chemically-controlled devices, each operating based on specific principles. S

0 views • 33 slides

This comprehensive set of questions and answers covers topics related to drug excretion and renal pharmacology. It includes information on glomerular filtration, drug excretion mechanisms, dosage adjustments in renal impairment, factors influencing drug excretion, and the effects of long-term NSAID

0 views • 55 slides

Metabolism of xenobiotics, foreign chemicals like drugs, food additives, and pollutants, is crucial for pharmacology, toxicology, and disease management. Knowledge allows for beneficial applications such as antioxidant research, pollutant conversion, and drug biosynthesis using transgenic organisms.

0 views • 11 slides

Nasopulmonary drug delivery system, utilizing the nasal route for drug administration, offers advantages such as hepatic first-pass metabolism avoidance and rapid drug absorption. This system is beneficial for pharmacologically active compounds with poor stability in gastrointestinal fluids. While i

0 views • 35 slides

Exploring the metabolic processes in seeds, this study aims to compare carbon dioxide production before and during germination. Students will hypothesize and verify using a carbon dioxide SensorLab sensor. Theoretical aspects of plant metabolism, including photosynthesis and cellular respiration, wi

1 views • 22 slides

The physicochemical properties of drugs play a crucial role in their pharmacological effects. These properties include physical and chemical characteristics that influence interactions with biomolecules. Solubility, partition coefficient, and dissociation constant are key factors affecting drug beha

1 views • 46 slides

A formulary is a dynamic list of medications curated by healthcare professionals to guide drug selection based on efficacy, safety, cost, and patient acceptability. It plays a vital role in promoting evidence-based and cost-effective drug therapy, improving communication between prescribers and phar

0 views • 17 slides

Understanding the reasons behind drug usage among teens, this lesson provides valuable resources and strategies to stay drug-free. It emphasizes the importance of making healthy decisions and offers alternatives to drug use. Additionally, it highlights the significance of saying no to drugs, provide

0 views • 17 slides

The Hatch-Waxman Act, also known as The Drug Price Competition and Patent Term Restoration Act, was enacted in 1984 to amend patent laws and the Federal Food, Drug, and Cosmetic Act. It aims to reduce costs associated with generic drug approval, allow early experimental use, compensate branded drug

0 views • 49 slides

Therapeutic Drug Monitoring (TDM) utilizes pharmacokinetic principles to optimize drug therapy by balancing efficacy and toxicity levels. Historical background reveals a shift from empirical dosing to precise pharmacokinetic analysis, aiming to minimize toxicity risks and maximize therapeutic benefi

0 views • 47 slides

Inborn Errors of Metabolism (IEM) are genetic disorders that disrupt metabolic pathways, leading to substrate accumulation or product deficiency. These disorders can be classified based on toxic accumulation, protein metabolism, carbohydrate intolerance, lysosomal storage issues, energy production d

0 views • 29 slides

Decarboxylation is a crucial reaction in amino acid metabolism where CO2 is removed to form biogenic amines, catalyzed by decarboxylase enzymes. Important biogenic amines include tyramine, tryptamine, and histamine, each impacting physiological functions like blood pressure regulation. Aromatic amin

0 views • 25 slides

Biopharmaceutics explores how drug properties and administration methods impact drug absorption. Factors affecting oral absorption include membrane physiology and drug partitioning based on pH levels. The pH partition theory, explained by Brodie et al., highlights the role of drug lipid solubility a

0 views • 9 slides

In drug development, in-vitro dissolution testing plays a crucial role in evaluating drug release from tablets when in-vivo bioavailability studies are limited. By ensuring drug release is close to 100% and uniform batch to batch, these tests help assess drug availability and effectiveness. Regulato

11 views • 10 slides

Explore the intricate processes of oxidative decarboxylation and the Krebs Cycle, essential pathways in cellular energy metabolism. Learn about the conversion of pyruvate to acetyl-CoA, regulatory mechanisms, clinical implications, and more. Discover the fates of pyruvate, allosteric regulation, and

6 views • 19 slides

Pharmacodynamics explores how drugs interact with receptors in the body, affecting the magnitude of drug effects based on concentration. Graded dose-response relationships, potency, and efficacy play key roles in determining drug efficiency. Potency reflects the amount of drug needed for a specific

0 views • 21 slides

Carbohydrates play a vital role in energy production through processes like glycolysis and gluconeogenesis. Glucose metabolism involves pathways like aerobic glycolysis and anaerobic lactate production. In diabetes mellitus, there is a disruption in carbohydrate metabolism leading to elevated blood

1 views • 14 slides

Explore the quantitative aspects of drug action, including drug receptor binding, concentration binding curves, dose-response curves, and types of antagonism. Learn to relate drug concentration to receptor binding capacity and response produced. Discover how concentration binding curves and dose-res

0 views • 29 slides

The World Drug Report 2020 highlights the strong correlation between socioeconomic factors and drug use disorders. Studies reveal that communities facing poverty, violence, and social inequality are at a higher risk of drug overdoses and addiction. Factors like income inequality, lack of social capi

1 views • 17 slides

This lecture discusses the various amino acidopathies, including phenylketonuria, albinism, alkaptonuria, maple syrup urine disease, and homocystinuria. It covers the metabolic defects in amino acid metabolism, symptoms, causes, and treatment methods for these disorders. Emphasizing the importance o

0 views • 19 slides

Targeted clinical investigation plays a crucial role in pharmacovigilance by further evaluating significant risks identified in pre-approval clinical trials. This involves conducting pharmacokinetic and pharmacodynamic studies, genetic testing, interaction studies, and large simplified trials to ass

0 views • 12 slides

Developmental pharmacology in children involves unique considerations such as drug metabolism, urine concentration, and muscle relaxant dosing. The field faces challenges with limited drug testing in pediatric populations, emphasizing the importance of age-appropriate pharmacotherapy. Factors like d

0 views • 39 slides

This content discusses the difference between background/endogenous and exogenous methanol, how metabolism of endogenous methanol affects exogenous metabolism, and the impact of exposure to different levels of methanol on blood concentrations. It highlights EPA PBPK models and assumptions regarding

0 views • 16 slides

Bilirubin, a key pigment in bile, is derived from heme breakdown and plays a crucial role in the liver's detoxification process. This article explores the metabolism of bilirubin, its relationship with heme and globin, as well as its excretion steps involving enzymatic reactions and conjugation in h

0 views • 31 slides

This content explores various advanced ophthalmic drug delivery systems including erodible ophthalmic inserts, soluble ocular drug inserts, new ophthalmic drug delivery systems, and bioadhesive ophthalmic drug inserts. These innovative systems aim to provide accurate dosing, prolonged drug release,

0 views • 8 slides

Ocular pharmacology faces challenges in effective drug delivery due to blood-retinal, blood-aqueous, and blood-vitreous barriers that impede high drug concentrations in the eye. Various routes of administration, including topical and local injections, are employed to overcome these barriers. Pharmac

0 views • 27 slides

Center for Court Innovation has introduced a new National Drug Court Online Learning System aimed at assisting drug court professionals. This system offers free access to web-based training, expert video lessons, virtual site visits to drug treatment courts, practitioner interviews, and a resource l

0 views • 8 slides

The Drug-Free Workplace Act of 1988 mandates federal grant recipients to implement zero-tolerance drug policies to maintain a drug-free environment. Employers must establish clear policies, conduct awareness programs, offer counseling and rehabilitation services, and impose penalties for violations.

0 views • 19 slides

Drug metabolism is a crucial process in the body that transforms drugs into forms easily excreted, affecting their efficacy and toxicity. This involves different sites such as the liver, kidney, and plasma, with enzymes in cellular organelles like cytoplasm and mitochondria playing key roles. First-

0 views • 13 slides

Pharmacokinetics and pharmacology, focused on ADME processes, play a crucial role in drug development and delivery. Absorption, distribution, metabolism, and excretion determine how drugs interact within the body. Absorption involves transfer into the bloodstream, while distribution entails the spre

0 views • 12 slides

Drug metabolism involves the biotransformation of pharmaceutical substances in the body, primarily in the liver, to facilitate their elimination. This process helps convert drugs into less active forms for enhanced elimination through various reactions in Phase I and Phase II metabolism. Factors suc

0 views • 20 slides

In the realm of pharmacology, the process of eliminating drugs from the body involves hepatic metabolism, biliary elimination, and urinary excretion. Once a drug is introduced into the system, these routes of elimination come into play, highlighting the crucial role they play in drug clearance and e

0 views • 11 slides

This presentation covers the functions of calcium, calcium metabolism, bone physiology, and hormonal regulation of calcium metabolism focusing on parathyroid hormone, calcitonin, and Vitamin D. It discusses hypo and hyperparathyroidism in detail, including clinical manifestations and treatment optio

0 views • 15 slides

Chronic angina is a condition marked by impaired quality of life and decreased life expectancy, primarily due to myocardial ischemia. It is characterized by symptoms like tightness, heaviness, and pressure sensation, often located retrosternally. The pathophysiology involves a mismatch between oxyge

0 views • 73 slides

The content highlights significant events related to international drug control efforts, emphasizing the launch of the INCB Annual Reports, the UNGASS session at the United Nations, and the focus on health, welfare, and challenges in combating drug abuse. It discusses issues such as new psychoactive

0 views • 13 slides