Lasmiditan
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By mouth, intravenous |
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| Formula | C19H18F3N3O2 |
| Molar mass | 377.36 g/mol |
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Lasmiditan (COL-144) is an investigational drug for the treatment of acute migraine. It is being developed by Eli Lilly and is in phase III clinical trials. It is a first-in-class "neurally acting anti-migraine agent" ditan.
Mechanism of action[edit]
Lasmiditan is a serotonin receptor agonist that, like the unsuccessful LY-334,370, selectively binds to the 5-HT1F receptor subtype. A number of triptans have been shown to act on this subtype as well, but only after their affinity for 5-HT1B and 5-HT1D has been made responsible for their anti-migraine activity. The lack of affinity for these receptors might result in fewer side effects related to vasoconstriction compared to triptans in susceptible patients, such as those with ischemic heart disease, Raynaud's phenomenon or after a myocardial infarction,[1] although a 1998 review has found such side-effects to rarely occur in patients taking triptans.[2][3]
Discovery and development[edit]
Lasmiditan was discovered by Eli Lilly and Company and was out-licensed to CoLucid Pharmaceuticals in 2006, until CoLucid was bought by Eli Lilly in 2017 to reacquire the drug.[4] The drug is protected by patents until 2031.[5]
Phase II clinical trials for dose finding purposes were completed in 2007 for an intravenous form[6] and in early 2010 for an oral form.[7] Two separate Phase III clinical trials for the oral version are currently ongoing under special protocol agreements with the US Food and Drug Administration (FDA). Eli Lilly has stated that they intend to submit a new drug application to the FDA in early 2018.[5]
As of 2017, three phase III clinical trials have been completed or are in progress. The SPARTAN trial compares placebo with 50, 100, and 200 mg of lasmiditan.[8] SAMURAI compared placebo with 100 and 200 mg doses of lasmidatin. In 2016, CoLucid announced that the trial had met its primary and secondary endpoints of patients being pain-free two hours after dosing.[5] GLADIATOR is an open-label study comparing 100 and 200 mg doses of lasmidatin in patients that received the drug as part of a prior trial.[9]
References[edit]
- ^ "Molecule of the Month July 2010: Lasmiditan hydrochloride". Prous Science. Retrieved 2011-08-03.
- ^ Dahlöf, CG; Mathew, N (1998). "Cardiovascular safety of 5HT1B/1D agonists--is there a cause for concern?". Cephalalgia : an international journal of headache. 18 (8): 539–45. doi:10.1046/j.1468-2982.1998.1808539.x. PMID 9827245.
- ^ Mutschler, Ernst; Geisslinger, Gerd; Kroemer, Heyo K.; Schäfer-Korting, Monika (2001). Arzneimittelwirkungen (in German) (8th ed.). Stuttgart: Wissenschaftliche Verlagsgesellschaft. p. 265. ISBN 978-3-8047-1763-3. OCLC 47700647.
- ^ http://www.fiercebiotech.com/biotech/lilly-buys-migraine-biotech-colucid-for-960m-and-drug-it-out-licensed
- ^ a b c http://adisinsight.springer.com/drugs/800028519
- ^ Clinical trial number NCT00384774 for "A Placebo-Controlled Adaptive Treatment Assignment Study of Intravenous COL-144 in the Acute Treatment of Migraine" at ClinicalTrials.gov
- ^ Clinical trial number NCT00883051 for "Dose-ranging Study of Oral COL-144 in Acute Migraine Treatment" at ClinicalTrials.gov
- ^ Clinical trial number NCT02605174 for "Three Doses of Lasmiditan (50 mg, 100 mg and 200 mg) Compared to Placebo in the Acute Treatment of Migraine (SPARTAN)" at ClinicalTrials.gov
- ^ Clinical trial number NCT02565186 for "An Open-label, Long-term, Safety Study of Lasmiditan for the Acute Treatment of Migraine (GLADIATOR)" at ClinicalTrials.gov
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