Week 10 - Opioids Flashcards
What are opioids?
A large variety of drugs that play a major role in analgesia (ie. pain relief).
What are naturally occurring opioids?
Morphine and codeine.
How are these natural versions extracted?
They are extracted from plants.
What is one of the primary prodrugs of codeine?
Morphine
What are some of the semisynthetic versions of opioids?
Vitolin, Oxycodeine, ——
From what are semisynthetic versions of opioids produced?
They are produced from naturally occurring opioids????
What are some examples of fully synthetic versions of opioids?
fentanyl, heroin, ummmmm
What is the source of the fully synthetic opioids?
it was another synthetic drug that was used as a source.
What is more potent and why - fentanyl or morphine?
F is more potent and
How are opioids generally administered?
The preferred route depends on the particular drug and the purpose of using the drug. Can be taken in through IV, orally, inhalation.
Why heroin preferred over morphine for recreational purposes?
Heroin is able to pass through the BBB much more quickly (it is more lipid soluble).
How are opioids generally metabolized?
In the liver, they are metabolized and many of the metabolites themselves act as opioids.
What are the metabolites of morphine?
a
What are the metabolites of codeine?
a
What are the metabolites of heroin?
a
What are the metabolites of acetylcodeine?
a
What is the endogeneous opioid system?
The system involving neuropeptide transmitters and their receptors and site of actions????
What are neuropeptide transmitters?
a
What are propeptides and how do the neuropeptides form from these propeptides?
a
What are the different propeptides?
a
What are the endogenous opioid peptides (opiopeptins)?
a
What are the different families of opiopeptins?
a
What are the precursor and the peptides of the enkephalins?
a
What are the precursor and the peptides of the endorphins?
a