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Ramelteon and doxepin

Phase 3

Sleep Initiation and Maintenance Disorders | Small molecule | Psychiatry |Takeda Pharmaceutical Company Limited|Last Updated: Feb 28, 2012

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials4
Total Enrollment2,322

FDA Designations

No designations recorded

Clinical trial landscape

Ramelteon and doxepin · 4 trials · 1 indication

Phase 3 2Phase 2 2
NCT00756002Safety and Efficacy Study of Ramelteon in Subjects With Chronic InsomniaSleep Initiation and Maintenance Disorders
COMPLETED259 Analytics
NCT00671086Efficacy of Ramelteon in Subjects With Chronic InsomniaSleep Initiation and Maintenance Disorders
COMPLETED1,213 Analytics
PHASE3COMPLETED
Safety and Efficacy Study of Ramelteon in Subjects With Chronic Insomnia
Sleep Initiation and Maintenance DisordersUnlock trial analytics
PHASE3COMPLETED
Efficacy of Ramelteon in Subjects With Chronic Insomnia
Sleep Initiation and Maintenance DisordersUnlock trial analytics

Study Endpoints

Primary Endpoints

Mean Latency to Persistent Sleep Via Polysomnography (Nights 1-2).
Nights 1-2

Elapsed time from the beginning of the Polysomnography recording to the onset of the first 10 minutes of continuous sleep was measured over 2 nights and the average time to sleep was calculated.

Adverse Events.
Week 1, Months 1, 2, 3, 4, 6, 8, 10, and 12 or Final Visit.
Change from Baseline in Vital Signs.
Week 1, Months 1, 2, 3, 4, 6, 8, 10, and 12 or Final Visit
Change from Baseline in Hematology Laboratory Tests.
Week 1, Months 1, 2, 4, 6, 8, 10, and 12 or Final Visit.
Change from Baseline in Chemistry Laboratory Tests.
Week 1, Months 1, 2, 4, 6, 8, 10, and 12 or Final Visit.
Change from Baseline in Urinalysis Laboratory Tests.
Week 1, Months 1, 2, 4, 6, 8, 10, and 12 or Final Visit.
Electrocardiograms.
Month 6 and 12 or Final Visit.
Menstrual Diary Results.
Week 1, Months 1, 2, 4, 6, 8, 10, and 12 or Final Visit.
Physical Examinations.
Months 2, 4, 8, 10, and 12 or Final Visit.
Mean wake time after persistent sleep onset during the double-blind Treatment Period, as measured by polysomnography
Weeks 1, 3, and 5 or Final Visit
Mean objective wake time after persistent sleep onset in sleep lab.
Nights: 1 and 2.

Secondary Endpoints

Mean Latency to Persistent Sleep Via Polysomnography (Nights 15-16).
Nights 15-16
Mean Latency to Persistent Sleep Via Polysomnography (Nights 29-30).
Nights 29-30
Subjective Sleep Latency, Per Post-sleep Questionnaire (Nights 1-2).
Nights 1-2
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Ramelteon 4 mg QDEXPERIMENTAL -
Placebo QDPLACEBO_COMPARATOR -
Ramelteon 8 mg QDEXPERIMENTAL -
Ramelteon 16 mg QDEXPERIMENTAL -
Ramelteon 8 mg QD and Doxepin 3 mg QDEXPERIMENTAL -
Ramelteon 8 mg QD and Doxepin Placebo QDEXPERIMENTAL -
Ramelteon Placebo QD and Doxepin 3 mg QDACTIVE_COMPARATOR -
PlaceboPLACEBO_COMPARATOR -
Ramelteon 4 mg QD and Gabapentin 400 mg QDEXPERIMENTAL -
Ramelteon 8 mg QD and Gabapentin 800 mg QDEXPERIMENTAL -
Ramelteon 8 mg QD and Gabapentin Placebo QDEXPERIMENTAL -
Gabapentin 800 mg QDACTIVE_COMPARATOR -

Interventions

NameTypeDescription
RamelteonDRUGRamelteon 4 mg, tablets, orally, once daily for up to 5 weeks.
PlaceboDRUGRamelteon placebo-matching tablets, orally, once daily for up to 5 weeks.
Ramelteon and doxepinDRUGRamelteon 8 mg, tablets, orally, once daily and doxepin 3 mg, liquid, orally, once daily for up to five weeks.
DoxepinDRUGRamelteon placebo-matching tablets, orally, once daily and doxepin 3 mg, liquid, orally, once daily for up to five weeks.
Ramelteon and gabapentinDRUGRamelteon 4 mg, tablets, orally, once daily and gabapentin 400 mg, capsules, orally, once daily for up to one week.
GabapentinDRUGRamelteon placebo-matching tablets, orally, once daily and gabapentin 800 mg, capsules, orally, once daily for up to one week.
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Eligibility Criteria

Age Range18 Years to 64 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * A female subject of childbearing potential who is sexually active agrees to use adequate contraception from Screening throughout the duration of the study. * Has a body mass index between 18 and 34, inclusive. * Based on sleep history, the subject has had chronic insomnia for ...

Countries:United States
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Frequently asked questions about Ramelteon and doxepin

What is Ramelteon used for?

Ramelteon is an investigational small molecule being developed for sleep-related conditions, including transient insomnia, chronic insomnia, sleep initiation and maintenance disorders, and circadian rhythm sleep disorders. It has been studied in Phase 2 and Phase 3 clinical trials for these indications.

Who makes Ramelteon?

Ramelteon is being developed by Takeda Pharmaceutical Company Limited, which trades under the ticker TAK. The company has conducted multiple clinical trials for the drug across various countries, including the United States, Australia, and several European nations.

What phase is Ramelteon in?

Ramelteon has completed Phase 3 clinical trials for chronic insomnia, with a total of five trials completed and no active trials currently ongoing. The drug remains investigational and has not been reported as FDA approved based on the available clinical trial data.

What clinical trials is Ramelteon in?

Ramelteon has been studied in five completed trials, including NCT00247390, a Phase 3 study in adults with chronic insomnia, and NCT00325728, a Phase 2 trial in subjects with mild to moderate Alzheimer's disease. Other trials include NCT00593736 for delayed sleep phase syndrome and NCT00671190 in healthy subjects.

Is Ramelteon the same as Rozerem?

Ramelteon is also known by the brand name Rozerem, which is a melatonin receptor agonist used for insomnia. The clinical trials listed for Ramelteon, such as NCT00247390, evaluate the drug's efficacy and safety in conditions like chronic insomnia and circadian rhythm disorders.