New sleep aid YZJ-1139 put to the test in large trial
NCT ID NCT05525637
First seen Jun 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time
Summary
This phase 3 study tests whether YZJ-1139 tablets help adults with insomnia fall asleep faster and sleep more efficiently. Participants receive either 20 mg, 40 mg, or a placebo daily for two weeks. Sleep is measured using both sleep diaries and overnight lab tests.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
YZJ-1139
What this could lead to
If successful, this could provide a new medication option for people with insomnia, improving sleep quality and reducing time to fall asleep.
What could go wrong
This is a phase 3 trial, but results may not show significant benefit over placebo. Side effects are possible, and the drug may not work for everyone.
Disclaimer
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the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Affiliated HangZhou First People's Hospital
Hangzhou, China
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Affiliated Hospital Of Jiangnan University
Wuxi, China
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Affiliated NanHua Hospital,University Of South China
Hengyang, China
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Affiliated ZhongShan Hospital,University Of FuDan
Shanghai, China
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Air Force Medical University
Xi'an, China
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Army Medical Center of PLA
Chongqing, China
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Beijing Chao-Yang Hospital, Capital Medical University
Beijing, China
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Beijing Hui Long Guan Hospital, Capital Medical University
Beijing, China
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Beijing Tiantan Hospital, Capital Medical University
Beijing, China
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Beijing Tsinghua Changgung Hospital
Beijing, China
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Binzhou Medical University Hospital
Binzhou, China
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Chaohu hospital of anhui medical university
Hefei, China
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China-Japan Friendship Hospital
Beijing, China
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ChongQing Eleventh People's Hospital
Chongqing, China
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ChongQing Mental Health Center
Chongqing, China
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ChongQing Traditional Chinese Medical Hospital
Chongqing, China
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ChongQing University Three Gorges Hospital
Chongqing, China
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First Hospital Of ShanXi Medical University
Taiyuan, China
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First People's Hospital of Yunnan Province
Kunming, China
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Guangdong Provincial People's Hospital
Guangzhou, China
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HanDan Central Hospital
Handan, China
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HeNan Mental Hospital
Xinxiang, China
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HeNan University Of Science &Technology
Luoyang, China
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HuaShan Hospital Fudan University
Shanghai, China
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JiangMen Central Hospital
Jiangmen, China
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JiangXi Provincial People's Hospital
Nanchang, China
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Jilin Neuropsychiatric Hospital
Siping, China
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Jingjiang People's Hospital
Jingjiang, China
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Jiujiang University Affiliated Hospital
Jiujiang, China
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LiaoCheng People's Hospital
Liaocheng, China
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NanTong First People's Hospital
Nantong, China
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Nanfang Hospital Southern Medical University
Guangzhou, China
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NingBo KangNing Hospital
Ningbo, China
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NingBo Medical Center LiHuiLi Hospital
Ningbo, China
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Peking University BinHai Hospital
Tianjin, China
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Peking University First Hospital
Beijing, China
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Peking University People's Hospital
Beijing, China
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People's Hospital Of DeYang City
Deyang, China
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QingDao Center Medical Group
Qingdao, China
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QingDao Municipal Hospital
Qingdao, China
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ShanDong Provincial QianFoShan Hospital
Jinan, China
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Shandong Daizhuang Hospital
Jining, China
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ShenZhen People's Hospital
Shenzhen, China
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ShengJing Hospital Of China Medical University
Shenyang, China
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Sir Run Run Shaw hospital
Hangzhou, China
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SuZhou GuangJi Hospital
Suzhou, China
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The 2nd Affiliated Hospital Of FuJan Medical University
Quanzhou, China
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The 2nd Affiliated Hospital Of Harbin Medical University
Ha’erbin, China
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The Affiliated Hospital Of GuiZhou Medical University
Guiyang, China
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The Affiliated Hospital Of Southwest Medical University
Luzhou, China
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The Affiliated Hospital Of XuZhou Medical University
Xuzhou, China
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The Center Hospital of WuHan
Wuhan, China
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The First Affiliated Hospital Of FuJan Medical University
Fuzhou, China
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The First Affiliated Hospital Of NanChang University
Nanchang, China
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The First Affiliated Hospital Of ZhenZhou University
Zhengzhou, China
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The First Affiliated Hospital of Jinan University
Guangzhou, China
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The First Bethune Hospital Of Jilin University
Changchun, China
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The First Hospital of ChangSha
Changsha, China
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The First Hospital of Hebei Medical University
Shijiazhuang, China
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The First People's Hospital Of KunShan
Suzhou, China
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The First affiliated hospital of bengbu medical college
Bengbu, China
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The Fourth People's Hospital Of ChengDu
Chengdu, China
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The Second Affiliated Hospital Of NanChang University
Nanchang, China
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The Second Affiliated Hospital of Soochow University
Suzhou, China
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The Second Hospital Of AnHui Medical University
Hefei, China
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The Second XiangYa Hospital Of Central University
Changsha, China
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The Secong People's Hospital Of HeFei
Hefei, China
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The Secong People's Hospital Of HuNan Province
Changsha, China
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The Third Hospital of Hebei Medical University
Shijiazhuang, China
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The affilated hospital of qingdao university
Qingdao, China
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Tianjin Huanhu Hospital
Tianjin, China
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Tianjin Mental Health Center
Tianjin, China
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WuXi People's Hospital
Wuxi, China
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Wuhan Mental Health Centre
Wuhan, China
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XianYang Hospital OF Yan'an University
Xianyang, China
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Xiangya Hospital Central South University
Changsha, China
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XuZhou Central Hospital
Xuzhou, China
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Xuanwu Hospital Capital Medical University
Beijing, China
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ZhenJiang Mental Health Center
Zhenjiang, China
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ZhenZhou Central Hospital
Zhengzhou, China
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Zhongda Hospital Southeast Unveristy
Nanjing, China
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ZhuMaDian Second People's Hospital
Zhumadian, China
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ZiGong First People's Hospital
Zigong, China