Aticaprant
Investigational antidepressant compound / From Wikipedia, the free encyclopedia
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Aticaprant, also known by its developmental codes JNJ-67953964, CERC-501, and LY-2456302, is a κ-opioid receptor (KOR) antagonist which is under development for the treatment of major depressive disorder.[2][3][4] A regulatory application for approval of the medication is expected to be submitted by 2025.[2] Aticaprant is taken by mouth.[1]
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Other names | JNJ-67953964; CERC-501; LY-2456302 |
Routes of administration | By mouth[1] |
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Bioavailability | 25%[1] |
Elimination half-life | 30–40 hours[1] |
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Formula | C26H27FN2O2 |
Molar mass | 418.512 g·mol−1 |
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Side effects of aticaprant include itching, among others.[4][5] Aticaprant acts as a selective antagonist of the KOR, the biological target of the endogenous opioid peptide dynorphin.[3] The medication has decent selectivity for the KOR over the μ-opioid receptor (MOR) and other targets, a relatively long half-life of 30 to 40 hours, and readily crosses the blood–brain barrier to produce central effects.[4][6]
Aticaprant was originally developed by Eli Lilly, was under development by Cerecor for a time, and is now under development by Janssen Pharmaceuticals.[2] As of July 2022, it is in phase 3 clinical trials for major depressive disorder.[2] Like other kappa opioid antagonists currently under clinical investigation for the treatment of major depression, its efficacy may be compromised by the countervailing activation of pro-inflammatory cytokines in microglia within the CNS.[7]
Aticaprant was also under development for the treatment of alcoholism, cocaine use disorder, and smoking withdrawal, but development for these indications was discontinued.[2]