Wiktionary
eplivanserin
n. An experimental drug formerly being developed for the treatment of insomnia.
Wikipedia
Eplivanserin
Eplivanserin (SR-46,349; planned trade name Ciltyri) was an experimental drug for the treatment of insomnia which was being developed by Sanofi Aventis.
Sanofi Aventis announced in December 2009 that it was withdrawing its application for approval of eplivanserin from both the U.S. Food and Drug Administration and the European Medicines Agency.