potency ratio

potency ratio

Pharmacology The ratio of the effect of a member of a particular family of drugs–eg, corticosteroids or analgesics, to that of
a benchmark agent
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10) Furthermore, they have generally used hyperbaric forms (11,12) and potency ratio between levobupivacaine and ropivacaine was not taken into consideration.
Therefore, the potency ratio found in these studies, (33,34) is only valid for the median effective analgesic concentrations (EC50) which does not permit conclusions about the potency ratio for the ED95.
5] Potency ratio of sufentanil/fentanyl has been reported to be 5-7:1 for intravenous administration, but we cannot extrapolate this data in case of epidural route.
Table 5: Mean Performance of Parental Lines, Hybrids and Estimation of Percent Heterosis, Heterobeltiosis and Potency Ratio for Flag Leaf Area in Wheat
For example, Hodgson and Darnton (2000) found a potency ratio of 1:100:500 for chrysotile, amosite, and crocidolite, respectively, and Berman and Crump (2008a) reported estimates in the same range.
Whether the addition of fentanyl to local anaesthetic changes the potency ratio or the characteristics of blockade has not been examined, and most studies have involved orthopaedic surgery, with few involving lower abdominal surgery.
A potency ratio of 1:3 was safe and provided good pain control over a wide morphine dose, and that's our recommendation," he said.
50] of mephentermine and allow calculation of a potency ratio with ephedrine in this setting.
The ability to estimate with any accuracy the juvenile to adult cancer potency ratio depends on the experimental design used.
Another trial with a lower starting dose and smaller dose interval of mephentermine is required to determine the potency ratio of mephentermine and ephedrine
Basically, they compared exposure scenarios for individual industrial compounds with those of endocrine modulators of natural origin, under consideration of the respective relative potency ratios in vivo.