207
Participants
Start Date
October 22, 2020
Primary Completion Date
December 23, 2022
Study Completion Date
December 23, 2022
Suvorexant
Suvorexant administered at a dose of 15 mg QD via oral tablet
Placebo
Suvorexant-matching placebo administered QD via oral tablet
Yokohama City University Hospital ( Site 8515), Yokohama
Okayama University Hospital ( Site 8510), Okayama
Kohnodai Hospital, National Center for Global Health and Medicine ( Site 8522), Ichikawa
Iizuka Hospital ( Site 8540), Iizuka
Tokyo Medical and Dental University Hospital ( Site 8503), Tokyo
Kokura Memorial Hospital ( Site 8537), Kitakyushu
Maebashi Red Cross Hospital ( Site 8548), Maebashi
Fukuyama City Hospital ( Site 8528), Fukuyama
Tonan Hospital ( Site 8512), Sapporo
Kansai Rosai Hospital ( Site 8550), Amagasaki
Kanazawa Medical University Hospital ( Site 8514), Kahoku-gun
National Hospital Organization Kanazawa Medical Center ( Site 8554), Kanazawa
Kagawa University Hospital ( Site 8519), Kita-gun
TAKAMATSU Red Cross Hospital ( Site 8547), Takamatsu
Nippon Medical School Musashi Kosugi Hospital ( Site 8502), Kawasaki
Showa University Northern Yokohama Hospital ( Site 8534), Yokohama
Yokohama City University Medical Center ( Site 8516), Yokohama
Saiseikai Yokohamashi Nanbu Hospital ( Site 8541), Yokohama
National Hospital Organization Yokohama Medical Center ( Site 8531), Yokohama
National Hospital Organization Maizuru Medical Center ( Site 8535), Maizuru-shi
Aizawa Hospital ( Site 8542), Matsumoto
Matsushita Memorial Hospital ( Site 8556), Moriguchi
Osaka University Hospital ( Site 8524), Suita
Toyonaka Municipal Hospital ( Site 8521), Toyonaka
Shimane Prefectural Central Hospital ( Site 8530), Izumo
Kamitsuga General Hospital ( Site 8546), Kanuma
SANO KOSEI GENERAL HOSPITAL ( Site 8551), Sano
Jichi Medical University Hospital ( Site 8525), Shimotsuke
Yamaguchi University Hospital ( Site 8517), Ube
National Hospital Organization Kyushu Medical Center ( Site 8532), Fukuoka
Gifu Municipal Hospital ( Site 8555), Gifu
Hiroshima City Hiroshima Citizens Hospital ( Site 8505), Hiroshima
National Hospital Organization Kumamoto Medical Center ( Site 8511), Kumamoto
Japanese Red Cross Kyoto Daini Hospital ( Site 8533), Kyoto
Kyoto Katsura Hospital ( Site 8539), Kyoto
Miyazaki Prefectural Miyazaki Hospital ( Site 8543), Miyazaki
Niigata City General Hospital ( Site 8544), Niigata
Okayama Saiseikai General Hospital ( Site 8549), Okayama
Osaka City General Hospital ( Site 8518), Osaka
National Hospital Organization Osaka National Hospital ( Site 8536), Osaka
Japanese Red Cross Osaka Hospital ( Site 8523), Osaka
Nippon Life Hospital ( Site 8552), Osaka
Japan Community Health care Organization Osaka Hospital ( Site 8545), Osaka
Osaka General Medical Center ( Site 8538), Osaka
Saga-Ken Medical Centre Koseikan ( Site 8526), Saga
Tokushima Prefectural Central Hospital ( Site 8509), Tokushima
National Cancer Center Hospital ( Site 8520), Tokyo
National Hospital Organization Tokyo Medical Center ( Site 8529), Tokyo
Tokyo Women's Medical University Hospital ( Site 8527), Tokyo
Juntendo University Nerima Hospital ( Site 8501), Tokyo
Merck Sharp & Dohme LLC
INDUSTRY