Abstract
Morphine and the other alkaloids found in the opium poppy plant still represent the preferred therapeutic tools to treat severe pain in first aid protocols, as well as chronic pain. The use of the opiate alkaloids is accompanied by several unwanted side effects; additionally, some forms of pain are resistant to standard treatments (e.g. neuropathic pain from cancer). For these reasons, there is currently renewed interest in the design and assay of modified versions of the potent endogenous opioid peptides endomorphin-1 and endomorphin-2. This review presents a selection of the strategies directed at preparing highly stable peptidomimetics of the endomorphins, and of the strategies aimed at improving central nervous system bioavailability, for which increased in vivo antinociceptive efficacy was clearly demonstrated.
Keywords: Blood brain barrier, Endomorphins, Enzymatic stability, Lipophilicity, Opioid, Peptidomimetic.
Graphical Abstract
Current Topics in Medicinal Chemistry
Title:Strategies to Improve Bioavailability and In Vivo Efficacy of the Endogenous Opioid Peptides Endomorphin-1 and Endomorphin-2
Volume: 16 Issue: 2
Author(s): Rossella De Marco and Anna Janecka
Affiliation:
Keywords: Blood brain barrier, Endomorphins, Enzymatic stability, Lipophilicity, Opioid, Peptidomimetic.
Abstract: Morphine and the other alkaloids found in the opium poppy plant still represent the preferred therapeutic tools to treat severe pain in first aid protocols, as well as chronic pain. The use of the opiate alkaloids is accompanied by several unwanted side effects; additionally, some forms of pain are resistant to standard treatments (e.g. neuropathic pain from cancer). For these reasons, there is currently renewed interest in the design and assay of modified versions of the potent endogenous opioid peptides endomorphin-1 and endomorphin-2. This review presents a selection of the strategies directed at preparing highly stable peptidomimetics of the endomorphins, and of the strategies aimed at improving central nervous system bioavailability, for which increased in vivo antinociceptive efficacy was clearly demonstrated.
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Cite this article as:
De Marco Rossella and Janecka Anna, Strategies to Improve Bioavailability and In Vivo Efficacy of the Endogenous Opioid Peptides Endomorphin-1 and Endomorphin-2, Current Topics in Medicinal Chemistry 2016; 16 (2) . https://dx.doi.org/10.2174/1568026615666150817103635
DOI https://dx.doi.org/10.2174/1568026615666150817103635 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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