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Pharmacokinetics & Pharmacodynamics
Pharmacokinetics & Pharmacodynamics

... Metabolites that are poorly reabsorbed by kidney are excreted in urine. Some drugs have active (lipid soluble) metabolites that are reabsorbed into circulation (e.g., pro-drugs) Other routes of elimination: lungs, bile, skin ...
Classification and mechanisms of drug reaction
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... Urticaria and anaphylaxis. Immune complexes may activate the complement cascade, with resultant formation of anaphylaToxins Serum sickness. Serum sickness-like reactions and other immune complex-mediated conditions necessitate a drug antigen to persist in the circulation for long enough for antibody ...
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NPS - NHS Ayrshire and Arran.

... not known, and because they have not been available for very long, there is no understanding of the long-term risks of taking them. In 2015, 100 NPS were notified to the European Monitoring Centre for Drugs and Drug Addiction. This compares to 101in 2014, 81 in 2013, 74 in 2012 and 48 in 2011. The m ...
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Drug Misuse, Abuse and Addiction

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A. 4 Variability in drug response a. Define tachyphylaxis

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... National Institute on Drug Abuse (NIDA), surveyed over 48,000 students concerning teenage drug abuse. The study shows there has been a dramatic increase in the use of prescription drugs for nonmedical purposes. Of 12th graders surveyed, an alarming 15% reported using a prescription drug non-medicall ...
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... There are three main mechanisms of drug interaction. Pharmaceutical interactions often occur before a drug is given to the patient. Chemical interactions can occur because of acid base rxns, oxidation-reduction, salt formation, hydrolysis, or epimerization (change in the conformation of a compound). ...
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NIMESULIDE - Pediatric Oncall

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Pharmacology - New Caney ISD
Pharmacology - New Caney ISD

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... "[S]upports healthy cholesterol and cardiovascular system." In the preamble to the January 6,2000 final rule on structure/fknction claims (see 65 FR 1000 at 1018), FDA stated that claims about the maintenance of normal cholesterol levels did not necessarily constitute implied disease claims. We stat ...
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FACTORS MODIFYING DRUG EFFECTS
FACTORS MODIFYING DRUG EFFECTS

... liver micsrosomal enzymes are induced by a wide variety of drugs and these affect the metabolism of other drugs reducing their concentration and hence effect. e.g oral contraceptive metabolism is enhanced if Phenytoin is coadministered ,leading to unplanned pregnancy eg loss of anticougulant effect ...
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Orphan drug

An orphan drug is a pharmaceutical agent that has been developed specifically to treat a rare medical condition, the condition itself being referred to as an orphan disease.In the US and EU it is easier to gain marketing approval for an orphan drug, and there may be other financial incentives, such as extended exclusivity periods, all intended to encourage the development of drugs which might otherwise lack a sufficient profit motive. The assignment of orphan status to a disease and to any drugs developed to treat it is a matter of public policy in many countries, and has resulted in medical breakthroughs that may not have otherwise been achieved due to the economics of drug research and development.According to Thomson Reuters in their 2012 publication ""The Economic Power of Orphan Drugs"", there has been increased investing in orphan drug Research and Development partly due to the U. S. Orphan Drug Act (ODA) 1983 and similar Acts in other regions of the world and also driven by ""high-profile philanthropic funding."" The period between 2001 to 2011 was the ""most productive period in the history of orphan drug development, in terms of average annual orphan drug designations and orphan drug approvals."" For the same decade the compound annual growth rate (CAGR) of the orphan drugs was an ""impressive 25.8 percent, compared to only 20.1 percent for a matched control group of non-orphan drugs."" By 2012 the market for orphan drugs was worth USD$637 million compared to the USD$638 million matched control group of non-orphan drugs, Thomson Reuters.By 2012, ""the revenue-generating potential of orphan drugs [was] as great as for non-orphan drugs, even though patient populations for rare diseases are significantly smaller. Moreover, we suggest that orphan drugs have greater profitability when considered in the full context of developmental drivers including government financial incentives, smaller clinical trial sizes, shorter clinical trial times and higher rates of regulatory success.""
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