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Restrict the search for
naldemedine
to a specific field?
Status:
US Approved Rx
(2017)
Source:
NDA208854
(2017)
Source URL:
First approved in 2017
Source:
NDA208854
Source URL:
Class (Stereo):
CHEMICAL (ABSOLUTE)
Targets:
Naldemedine (Symproic) is an opioid antagonist indicated for the treatment of opioid-induced
constipation (OIC) in adult patients with chronic non-cancer
pain. Naldemedine is an opioid antagonist with binding affinities for mu-, delta-, and kappa-opioid receptors.
Naldemedine functions as a peripherally-acting mu-opioid receptor antagonist in tissues such as the
gastrointestinal tract, thereby decreasing the constipating effects of opioids. Naldemedine is a derivative of naltrexone to which a side chain has been added that increases the molecular
weight and the polar surface area, thereby reducing its ability to cross the blood-brain barrier (BBB).
Naldemedine is also a substrate of the P-glycoprotein (P-gp) efflux transporter. Based on these properties, the
CNS penetration of naldemedine is expected to be negligible at the recommended dose levels, limiting the
potential for interference with centrally-mediated opioid analgesia. Naldemedine was approved in 2017 in both the US and Japan for the treatment of Opioid-induced Constipation.
