opioid antagonists

o·pi·oid an·tag·o·nists

agents such as naloxone and naltrexone that have high affinity for opiate receptors but do not activate these receptors. These drugs block the effects of exogenously administered opioids such as morphine, heroin, meperidine, and methadone, or of endogenously released endorphins and enkephalins.

o·pi·oid an·tag·o·nists

(ōpē-oyd an-tagŏ-nists)
Agents with a high affinity for opiate receptors but do not activate them.
References in periodicals archive ?
MorphaBond is an abuse-deterrent formulation of ER-morphine using physical and chemical barriers, without the use of aversive agents or opioid antagonists.
Opioid antagonists save lives by reversing the sedation and respiratory suppression commonly experienced during an opiate overdose with minimal risk of serious side effects.
Lightlake") (OTCQB: LLTP), a biopharmaceutical company developing addiction treatments based on its expertise in opioid antagonists, announced today that the March 5th presentation from Dr.
I think that's a really important finding and provides a new understanding of how opioid antagonists work.
The most serious side effect of the opioid antagonists is respiratory depression, which is mediated by decreased sensitivity of the respiratory center to elevations in arterial carbon dioxide pressure (PaCO2).
The guidelines discourage accelerated withdrawal techniques using opioid antagonists in combination with heavy sedation because of safety concerns.
An opening description of the history behind the clinical development of the classic opioid antagonist naltrexone is followed by sections on opioid receptors; the chemistry and pharmacology of opioid antagonists; the therapeutic areas of opioid antagonists for substance abuse, alcohol and ingestive behaviors, behavioral disorders, and medical indications, supported by nonclinical and clinical evidence; and the development of exciting and innovative drug-delivery approaches.
Traditional treatment with antihistamines is only useful for the sedative effect, however recent advances in understanding the neurophysiology of itch have led to new therapies targeted at different pruritogenic mechanisms including opioid antagonists (e.
In principle, opioid antagonists can help clients achieve periods of abstinence from alcohol during which newly learned skills can be consolidated.
Other opioid antagonists include naloxone, nalmefene, nalbuphine, and diprenorphine.
Herman, who presented her work onopioid levels in autistic children at last fall's meeting of the Society for Neuroscience, told SCIENCE NEWS that the Pennsylvania results may help explain the link between studies suggesting abnormal opioid system development as a possible cause of autism, and her preliminary success in treating autistic children with opioid antagonists.
Management of respiratory depression may include close observation, supportive measures, and use of opioid antagonists, depending on the patient's clinical status.