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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.
The procedure is to take the child's weight in pounds, divide by 150 lb, and multiply the fractional result by the adult dose to find the equivalent child dosage.For example, if an adult dose of medication calls for 30 mg and the child weighs 30 lb, divide the weight by 150 (30/150) to obtain 1/5 and multiply 1/5 times 30 mg to get 6 mg.
For oral drugs, a LogP value comprised between 2 and 3 is often considered optimal to achieve a compromise between permeability and first-pass clearance. LiPE allows capturing both values in a single parameter, and empirical evidence suggest that quality drug candidates have a high LiPE (>6); this value corresponds to a compound with a pIC 50 ...
K is the clearance [mL/min] or [m 3 /s] C is the concentration [mmol/L] or [mol/m 3 ] (in the United States often [mg/mL]) From the above definitions it follows that d C d t {\displaystyle {\frac {dC}{dt}}} is the first derivative of concentration with respect to time, i.e. the change in concentration with time.
Credit - Getty Images. D avid Bonderman, the founder of private equity firm TPG, and the founding owner of the Seattle Kraken, died on Dec. 11. Bonderman was my mentor, and his passing has led me ...
An example for a simple case (mono-compartmental) would be to administer D=8 mg/kg to a human. A human has a blood volume of around V b l o o d = {\displaystyle V_{blood}=} 0.08 L/kg . [ 7 ] This gives a C 0 = {\displaystyle C_{0}=} 100 μg/mL if the drug stays in the blood stream only, and thus its volume of distribution is the same as V b l o ...
Currently there are 3.6 million cases pending before immigration judges, the largest number of such cases in the history of the American immigration system. That is a 44% increase from the 2.5 ...
1. Take regular breaks. Just like we humans need regular breaks to stretch our legs and go to the bathroom, so too do our canine companions. If you’re going on a long road trip with your dog ...