Linked Life Data

2277717

Source:http://linkedlifedata.com/resource/pubmed/id/2277717

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1991-3-5
pubmed:abstractText
We report a method for controlling and adjusting plasma opioid concentration to preselected target values in individual human subjects in order to study analgesic and other effects of opioids at steady state. The method employs a computer-controlled infusion pump and an algorithm that utilizes individual subject pharmacokinetic parameters predetermined with tailoring bolus opioid doses. We used this approach to produce 3-step increases in plasma concentrations of alfentanil, fentanyl and morphine in each of 15 subjects. We maintained each plasma concentration plateau for 70 min, measured plasma opioid concentrations achieved during the infusions and analyzed the results for bias and precision of the individually tailored infusions. Our results show that pharmacokinetically tailored opioid infusions produce stable plasma opioid concentrations within 10 min for alfentanil and morphine; with each drug overall prediction error was 20% or less. Fentanyl was somewhat more difficult to control by this method than were the other 2 opioids. We conclude that individual tailoring of opioid infusions minimizes the impact of individual pharmacokinetic differences on achieving preselected plasma opioid concentrations and provides an accurate means of controlling steady-state drug concentrations for studies of concentration-effect relationships and comparisons of side-effect intensities produced by equianalgesic plasma opioid concentrations.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0304-3959
pubmed:author
pubmed:issnType
Print
pubmed:volume
43
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
57-67
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
Steady-state infusions of opioids in human volunteers. I. Pharmacokinetic tailoring.
pubmed:affiliation
Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98104.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't