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ClinicalTrials.gov public records Last synced Sep 30, 2026, 7:39 AM EDT

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Showing 25–34 of 34 matching trials from the live ClinicalTrials.gov search.
Conditions
Major Depressive Disorder, Insomnia
Interventions
Escitalopram, Ramelteon, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Chronic Insomnia
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 64 Years
Enrollment
848 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
70
States / cities
Birmingham, Alabama • Mobile, Alabama • Mesa, Arizona + 67 more
Conditions
Chronic Insomnia
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
55 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
72
States / cities
Alabaster, Alabama • Huntsville, Alabama • Phoenix, Arizona + 69 more
Conditions
Chronic Insomnia
Interventions
Ramelteon and Placebo (9 possible combinations total)
Drug
Lead sponsor
Takeda
Industry
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
18
States / cities
Hot Springs, Arkansas • Irvine, California • Palm Springs, California + 15 more
Conditions
Chronic Insomnia
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
19
States / cities
Birmingham, Alabama • Hot Springs, Arkansas • Los Angeles, California + 16 more
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Ramelteon and Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
40 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • Santa Monica, California + 5 more
Conditions
Bipolar Disorder
Interventions
Ramelteon SL, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 75 Years
Enrollment
642 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
138
States / cities
Birmingham, Alabama • Dothan, Alabama • Muscle Shoals, Alabama + 134 more
Conditions
Bipolar Disorder
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Lehigh Valley Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Allentown, Pennsylvania
Conditions
Chronic Insomnia
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 64 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
25
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Hot Springs, Arkansas + 22 more
Conditions
Chronic Insomnia
Interventions
Ramelteon and zolpidem, Placebo and zolpidem
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
41
States / cities
Hot Springs, Arkansas • Anaheim, California • Fountain Valley, California + 38 more