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ClinicalTrials.gov public records Last synced May 22, 2026, 1:42 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Transient Insomnia Clear all
Completed Phase 3 Interventional
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
Ramelteon
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
1,213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
122
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 119 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2012 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
5
States / cities
Glendale, California • San Diego, California • Overland Park, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 22, 2026, 1:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Delayed Sleep Phase Disorder, Jet-lag, Shift-work Disorder
Interventions
Low Dose Melatonin, Placebo, High Dose Melatonin
Biological
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
3
States / cities
Glendale, California • San Diego, California • Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Insomnia
Interventions
20 mg VEC-162, 50 mg VEC-162, 100 mg VEC-162, Placebo
Drug
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
21 Years to 50 Years
Enrollment
411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
19
States / cities
Birmingham, Alabama • Phoenix, Arizona • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2014 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Transient Insomnia
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 64 Years
Enrollment
289 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
12
States / cities
Palm Springs, California • San Diego, California • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2012 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
12 Years and older
Enrollment
2,105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
23
States / cities
Mobile, Alabama • Phoenix, Arizona • Beverly Hills, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 22, 2026, 1:42 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Transient Insomnia
Interventions
SM-1, Active Comparator
Drug
Lead sponsor
Sequential Medicine Ltd
Industry
Eligibility
25 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
377 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
4
States / cities
Miami, Florida • Atlanta, Georgia • Overland Park, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
773 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
10
States / cities
San Diego, California • Ocala, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
784 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
8
States / cities
Anaheim, California • San Diego, California • Orlando, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
35
States / cities
Anaheim, California • Bonita, California • Fallbrook, California + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced May 22, 2026, 1:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Insomnia, Sleeplessness, Transient Insomnia
Interventions
Electric stimulation of the Vestibular Nerve - "VirtuSom", Electric stim of the Vestibular Nerve - "VirtuSom" - SHAM
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
21 Years to 50 Years
Enrollment
349 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
6
States / cities
Atlanta, Georgia • New York, New York • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2019 · Synced May 22, 2026, 1:42 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Transient Insomnia
Interventions
SM-1, D+Z, D+L, Placebo
Drug
Lead sponsor
Sequential Medicine Ltd
Industry
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced May 22, 2026, 1:42 AM EDT
Suspended Not applicable Interventional
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Anemia, Insomnia, Sleeplessness, Transient Insomnia, Nonorganic Insomnia, Chronic Insomnia
Interventions
ACT Intervention, Waitlist
Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced May 22, 2026, 1:42 AM EDT