Buprenorphine is a partial mu
opioid agonist.
Breastfeeding should be encouraged in women who are stable on
their opioid agonist, who are not using illicit drugs, and who have no other contraindications, such as HIV infection (73, 74).
And in a paper out this week in Cell, a veteran opioid researcher and her colleagues unveil new biased
opioid agonists that could surpass oliceridine, though they haven't been tested in people yet.
A method for conducting functional MRI studies in alert nonhuman primates: initial results with
opioid agonists in male cynomolgus monkeys.
Not exact matches
Fentanyl is actually a better
agonist (bind more efficiently) to the
opioid receptors in the CNS and has less nonspecific binding so it actually causes less general side effects.
Indeed, our bodies use endo - cannabinoids in much the same way as they use
opioids in the central nervous system: as synapse
agonists and antagonists.
«Countries using these measures should instead increase the availability of proven
opioid -
agonist therapies, such as methadone, and ensure there is adequate access to voluntary treatment programs in community settings and facilitate people with
opioid addiction to seek treatment.»
Dr. Bohn's team has identified several molecules considered to be «biased
agonists» because they act at the
opioid receptor to stimulate pain relief, but cause less stimulation of the pathway that leads to respiratory suppression.
While biased
agonists may be able to be used more safely at higher doses than other
opioids, it remains to be seen how other side effect profiles will be affected.
Sex differences in sensitivity to the depressive - like effects of the kappa
opioid receptor
agonist U-50488 in rats.
She envisions that chronic pain patients may benefit from the combined pain relief of a CB2
agonist and a low - dose
opioid.
Characterization of Neuroprotective Effects of Biphalin, an
Opioid Receptor
Agonist, in a Model of Focal Brain Ischemia.
Wang D, Sun X, Sadee W. Different effects of antagonists on mu -, delta -, and kappa -
opioid receptors with and without
agonist pretreatment.
When an
opioid binds to a receptor, it may cause increased receptor activity with a maximum effect (
agonist), increased receptor activity that plateaus at an effect lower than maximum (partial
agonist), or decreased receptor activity (antagonist).6
Common pharmaceuticals range from
opioids and nonsteroidal anti-inflammatory drugs (NSAIDs) to α2 -
agonists, gabapentin, amantadine, ketamine, and local anesthetics.
Recommended combinations for such injections include α2 - adrenoceptor
agonists,
opioids, and dissociative drugs.
Agonists of the µ -
opioid receptor also have antidepressant effects (Berrocoso et al., 2009).