NCT00915135

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

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
66

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started May 2002

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2002

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2003

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2003

Completed
5.5 years until next milestone

First Submitted

Initial submission to the registry

June 3, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

June 5, 2009

Completed
Last Updated

June 2, 2010

Status Verified

May 1, 2010

Enrollment Period

1.6 years

First QC Date

June 3, 2009

Last Update Submit

May 31, 2010

Conditions

Keywords

InsomniaSleep Initiation and Maintenance DisordersDrug Therapy

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)

EXPERIMENTAL
Drug: Ramelteon and Placebo (25 possible combinations total)

Interventions

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

Also known as: Ramelteon, Rozerem, TAK-375
Ramelteon QD and Placebo QD (25 possible combinations total)

Eligibility Criteria

Age20 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Related Links

MeSH Terms

Conditions

Sleep Initiation and Maintenance Disorders

Interventions

ramelteon

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental Disorders

Study Officials

  • Medical Director

    Takeda

    STUDY DIRECTOR

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