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Papers of the Week

Human Studies, Pharmacology/Drug Development

2020 Feb

Drugs Today (Barc)



Mirogabalin besylate in the treatment of neuropathic pain.


Burgess J, Javed S, Frank B, Malik RA, Alam U
Drugs Today (Barc). 2020 Feb; 56(2):135-149.
PMID: 32163529.


Neuropathic pain (NeP) is a global cause of suffering and debilitation leading to significant morbidity and reduced quality of life. New treatments are needed to address the growing prevalence of NeP and its impact on sleep, mood and functionality. Mirogabalin besylate (mirogabalin, Tarlige) is a gabapentinoid therapy developed by Daiichi Sankyo which is approved in Japan for the treatment of postherpetic neuralgia and painful diabetic peripheral neuropathy. Mirogabalin has a potent pain-modulating effect with a unique high affinity and prolonged dissociation rate for the a2delta-1 subunit of voltage-gated calcium (Ca2+) channels (VGCCs) on the dorsal root ganglion resulting in more sustained analgesia compared with traditional gabapentinoids. Additionally, mirogabalin has a superior adverse events (AEs) profile due to a rapid dissociation from the a2delta-2 subunit of VGCCs potentially implicated in central nervous system-specific AEs. The most common AEs for mirogabalin are dizziness (approximately 8-16%), somnolence (approximately 6-24%) and headache (approximately 6-14%), with a lower incidence of constipation, nausea, diarrhea, vomiting, edema, fatigue and weight gain. Postmarketing studies are required to evaluate its analgesic durability and efficacy when combined with other antineuropathic agents such as tricyclics, duloxetine and tramadol/tapentadol.