Efficacy and Safety of Ramelteon on Chronic Insomnia
A Double-Blind, Dose-Response, Cross-Over Study of TAK-375 With Chronic Insomnia (Phase II Study) -- Polysomnographic Evaluation
2 other identifiers
interventional
66
0 countries
N/A
Brief Summary
The purpose of this study is to determine the dose response of Ramelteon, once daily (QD), in Japanese subjects with Chronic Insomnia
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started May 2002
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2002
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2003
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2003
CompletedFirst Submitted
Initial submission to the registry
June 3, 2009
CompletedFirst Posted
Study publicly available on registry
June 5, 2009
CompletedJune 2, 2010
May 1, 2010
1.6 years
June 3, 2009
May 31, 2010
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Mean Latency to Persistent Sleep
Mean of Nights 1 and 2.
Secondary Outcomes (11)
Mean Total Sleep Time
Mean of Nights 1 and 2.
Sleep Efficiency
Mean of Nights 1 and 2
Awake Time after Persistent Sleep
Mean of Nights 1 and 2.
Percent of Total Sleep Time in NREM sleep Stage 1
Mean of Nights 1 and 2.
Percent of Total Sleep Time in NREM sleep Stage 2
Mean of Nights 1 and 2.
- +6 more secondary outcomes
Study Arms (1)
Ramelteon QD and Placebo QD (25 possible combinations total)
EXPERIMENTALInterventions
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
Eligibility Criteria
You may qualify if:
- Has primary chronic insomnia for at least 3 months.
- 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.
You may not qualify if:
- Has a history of psychiatric disorder (including depression and anxiety), seizures, drug addiction, sleep apnea, nocturnal myoclonus and/or mental retardation as defined by the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition.
- 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.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Takedalead
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Medical Director
Takeda
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
June 3, 2009
First Posted
June 5, 2009
Study Start
May 1, 2002
Primary Completion
December 1, 2003
Study Completion
December 1, 2003
Last Updated
June 2, 2010
Record last verified: 2010-05