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Acute use (1–3 days) yields a potency about 1.5× stronger than that of morphine and chronic use (7 days+) yields a potency about 2.5 to 5× that of morphine. Similarly, the effect of tramadol increases after consecutive dosing due to the accumulation of its active metabolite and an increase of the oral bioavailability in chronic use.
The relative potency of pitavastatin has not yet been fully established, but preliminary studies indicate a potency similar to rosuvastatin. [175] The oyster mushroom, a culinary mushroom, naturally contains lovastatin. Some types of statins are naturally occurring, and can be found in such foods as oyster mushrooms and red yeast rice.
Type 2 statins Statins that are fully synthetic and have larger groups linked to the HMG-like moiety are often referred to as type 2 statins. One of the main differences between the type 1 and type 2 statins is the replacement of the butyryl group of type 1 statins by the fluorophenyl group of type 2 statins.
The drug was billed as a "super-statin" during its clinical development; the claim was that it offered high potency and improved cholesterol reduction compared to rivals in the class. The main competitors to rosuvastatin are atorvastatin and simvastatin .
In pharmacology, potency or biological potency [1] is a measure of a drug's biological activity expressed in terms of the dose required to produce a pharmacological effect of given intensity. [2]
Variation in potency of certain effects may exist amongst individual benzodiazepines. Some benzodiazepines produce active metabolites. Active metabolites are produced when a person's body metabolizes the drug into compounds that share a similar pharmacological profile to the parent compound and thus are relevant when calculating how long the ...
Pravastatin, sold under the brand name Pravachol among others, is a statin medication, used for preventing cardiovascular disease in those at high risk and treating abnormal lipids. [5] It is suggested to be used together with diet changes, exercise, and weight loss. [ 5 ]
It is commonly used as a measure of a drug's potency, although the use of EC 50 is preferred over that of 'potency', which has been criticised for its vagueness. [3] EC 50 is a measure of concentration, expressed in molar units (M), where 1 M is equivalent to 1 mol / L .