Search results
Results from the WOW.Com Content Network
Peak-to-trough ratio in pharmacokinetics is the ratio of peak (C max) and trough (C min) levels of a drug over its dosing interval (τ) at steady state.. Peak-to-trough ratio (PTR), also known as peak-to-trough variation or peak-to-trough fluctuation, is a parameter in pharmacokinetics which is defined as the ratio of C max (peak) concentration and C min (trough) concentration over a dosing ...
[9] [135] The average elimination half-life in plasma is 6.2 hours. [9] Metformin is distributed to (and appears to accumulate in) red blood cells, with a much longer elimination half-life: 17.6 hours [9] (reported as ranging from 18.5 to 31.5 hours in a single-dose study of nondiabetics). [135]
Small cell lung cancer has a five-year survival rate of 4% according to Cancer Centers of America's Website. [5] The American Cancer Society reports 5-year relative survival rates of over 70% for women with stage 0-III breast cancer with a 5-year relative survival rate close to 100% for women with stage 0 or stage I breast cancer.
A new cell study has shown the common type 2 diabetes medication metformin alters levels of microRNAs that target genes to slow down the growth and multiplication of colorectal cancer cells. The ...
At a practical level, a drug's bioavailability can be defined as the proportion of the drug that reaches the systemic circulation. From this perspective the intravenous administration of a drug provides the greatest possible bioavailability, and this method is considered to yield a bioavailability of 1 (or 100%).
Extend health span by reducing the risk of disease at the end of life. ... GLP-1s suppress appetite and have been shown to improve blood sugar levels for those with type 2 diabetes. They may also ...
Caesium in the body has a biological half-life of about one to four months. Mercury (as methylmercury) in the body has a half-life of about 65 days. Lead in the blood has a half life of 28–36 days. [29] [30] Lead in bone has a biological half-life of about ten years. Cadmium in bone has a biological half-life of about 30 years.
The ED50 is commonly used as a measure of the reasonable expectancy of a drug effect, but does not necessarily represent the dose that a clinician might use. This depends on the need for the effect, and also the toxicity. The toxicity and even the lethality of a drug can be quantified by the TD 50 and LD 50 respectively. Ideally, the effective ...