Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE2
66 participants
INTERVENTIONAL
2002-05-31
2003-12-31
Brief Summary
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Detailed Description
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Ramelteon is a melatonin-1 receptor agonist under global development by Takeda Chemical Industries, Ltd., Osaka, Japan, for the treatment of transient and chronic insomnia and for the treatment of Circadian Rhythm Sleep Disorders.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
QUADRUPLE
Study Groups
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Ramelteon QD and Placebo QD (25 possible combinations total)
Ramelteon and Placebo (25 possible combinations total)
Randomized sequence over two consecutive nights for a total of five treatment periods to include the following:
Ramelteon 4 mg, tablets, orally over two nights
Ramelteon 8 mg, tablets, orally over two nights
Ramelteon 16 mg, tablets, orally over two nights
Ramelteon 32 mg, tablets, orally over two nights
Ramelteon placebo-matching tablets, orally over two nights
Interventions
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Ramelteon and Placebo (25 possible combinations total)
Randomized sequence over two consecutive nights for a total of five treatment periods to include the following:
Ramelteon 4 mg, tablets, orally over two nights
Ramelteon 8 mg, tablets, orally over two nights
Ramelteon 16 mg, tablets, orally over two nights
Ramelteon 32 mg, tablets, orally over two nights
Ramelteon placebo-matching tablets, orally over two nights
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Has a mean latency of greater than or equal to 20 minutes on 2 consecutive polysomnography screening nights with no night less than 15 minutes, and has a mean of at least 60 minutes of wake time across 2 nights with no night less than 45 minutes.
* Has a habitual bedtime between 8:30 PM and 12:00 AM.
* Has a body mass index that is not less than 17, but less than 34.
* Females of childbearing potential who are sexually active must agree to use a medically accepted means of contraception, and can neither be pregnant nor lactating from Screening throughout the duration of the study.
Exclusion Criteria
* Has a history of alcohol abuse within the previous 2 years.
* Has a hepatic disease, and a significant neurological, renal, endocrine, cardiovascular, gastrointestinal, pulmonary, hematological or metabolic disease.
* Has a known hypersensitivity to ramelteon or related compounds, including melatonin.
* Has a positive hepatitis panel including hepatitis A, hepatitis B or hepatitis C.
* Has any clinically abnormal findings as determined by a medical history, physical examination, electrocardiogram or clinical laboratory tests by the investigator or sub investigator.
* Has experienced 3 hours or more of jet lag within 7 days preceding the polysomnography screening.
* Has an apnea-hypopnea index (per hour of sleep) greater than or equal to 10 as seen on the first night of polysomnography screening.
* Has periodic limb movement with arousal index (per hour o sleep) greater than or equal to 10 as seen on the first night of polysomnography screening.
* Has participated in an excessive weight loss program that may have given influence on the evaluation of this study, or altered the participant's exercise routine within 30 days prior to double-blind study medication administration.
* Has had a clinically significant illness within 30 days prior to double-blind study medication administration.
* Has had sleep schedule changes required by employment (e.g., shift worker) within 3 months prior to double-blind study medication administration.
* The investigator or sub investigator judges the study subject inappropriate for participation because it is considered difficult to complete the study, or participating in the study will not be in the best interest of the subject.
20 Years
65 Years
ALL
No
Sponsors
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Takeda
INDUSTRY
Responsible Party
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Japan Development Center, Pharmaceutical Development Division
Principal Investigators
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Medical Director
Role: STUDY_DIRECTOR
Takeda
Related Links
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Other Identifiers
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U1111-1115-2062
Identifier Type: REGISTRY
Identifier Source: secondary_id
TAK-375-CCT-001
Identifier Type: -
Identifier Source: org_study_id
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