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Ramelteon

Phase 3

Insomnia | Small molecule | Other |Takeda Pharmaceutical Company Limited|Last Updated: Apr 4, 2012

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindACTIVE_CONTROLLEDBiomarker
Total Trials3
Total Enrollment208
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00656994Long-Term Efficacy of Ramelteon on Endocrine Function in Adult Subjects With Chronic InsomniaPHASE3 COMPLETED 122Jan 1, 2003Jul 1, 2004Feb 28, 201229 United States
NCT00319215Effects of Ramelteon on Driving AbilityPHASE1 COMPLETED 30Mar 1, 2006Jul 1, 2006Apr 25, 20071 Netherlands
NCT00914862Pharmacokinetic and Safety of Ramelteon Between Adolescents With Insomnia and Healthy AdultsPHASE1 COMPLETED 56Nov 1, 2009Apr 1, 2011Apr 4, 20122 United States
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Study Endpoints
Primary Endpoints
Change from baseline in Total Serum Thyroxine.
Months 1, 2, 3, 4, 5, and 6 or Final Visit
Standard Deviation of Lateral Position (SDLP); i.e. the weaving of the car.
Standard Deviation of Speed (SDS)
Maximum Observed Serum Concentration (Cmax)
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

Maximum observed serum concentration (Cmax) is the peak serum concentration of ramelteon and its metabolite (M-II) after administration, obtained directly from the serum concentration-time curve.

Time to Reach Maximum Serum Concentration (Tmax)
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

Tmax: Time to reach the maximum serum concentration (Cmax) of ramelteon and its metabolite M-II, equal to time (hours) to Cmax.

Area Under the Serum Concentration-time Curve From Time 0 to Time of the Last Quantifiable Concentration (AUC[0-tlqc])
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

Area under the serum concentration-time curve from time 0 to time of last quantifiable concentration (tlqc) of ramelteon and its metabolite M-II, calculated using the linear trapezoidal rule.

Area Under the Serum Concentration-time Curve From Time 0 to Infinity (AUC[0-inf])
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

Area under the serum concentration-time curve from time zero extrapolated to infinity for ramelteon and its metabolite M-II. The terminal area from the last quantifiable concentration (lqc) to infinity is calculated by approximation: lqc / terminal elimination rate constant (λz).

Apparent Clearance After Oral Administration (CL/F)
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

Apparent oral clearance of drug from the serum calculated as: CL/F = Dose / Area under the serum concentration-time curve from time 0 extrapolated to infinity (AUC\[0-inf\]).

Terminal Elimination Rate Constant (λz)
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

The rate at which ramelteon and its metabolite M-II are eliminated from the body, calculated as the negative of the slope of the log-linear regression of the natural logarithm concentration-time curve during the terminal phase.

Terminal Elimination Half-life (T1/2)
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

Terminal phase elimination half-life (T1/2) for ramelteon and its metabolite M-II is the time required for half of the drug to be eliminated from the serum, calculated as T1/2 = natural logarithm of 2 (ln\[2\]) / Terminal elimination rate constant (λz).

Apparent Volume of Distribution (Vz/F)
Day 1: predose (within 1 hour prior to dose) and at 0.5, 1, 2, 3, 4, 6, 8, 12, and 16 hours post-dose.

Vz/F is the distribution of a drug between plasma and the rest of the body following oral administration, calculated as Vz/F = Apparent oral clearance (CL/F) / Terminal elimination rate constant (λz).

Secondary Endpoints
Change from baseline in free thyroxine.
Months 1, 2, 3, 4, 5, and 6 or Final Visit
Change from baseline in thyroid stimulating hormone.
Months 1, 2, 3, 4, 5, and 6 or Final Visit
Change from baseline in triiodothyronine.
Months 1, 2, 3, 4, 5, and 6 or Final Visit
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Ramelteon 16 mg QDEXPERIMENTAL -
PlaceboPLACEBO_COMPARATOR -
Children Ramelteon 4 mgEXPERIMENTALChildren 6 to 11 years of age who had insomnia associated with ADHD received a single 4 mg oral dose of ramelteon.
Children Ramelteon 8 mgEXPERIMENTALChildren 6 to 11 years of age who had insomnia associated with ADHD received a single oral 8 mg dose of ramelteon.
Adolescents Ramelteon 4 mgEXPERIMENTALAdolescents 12 to 17 years of age with insomnia received a single oral dose of 4 mg ramelteon.
Adolescents Ramelteon 8 mgEXPERIMENTALAdolescents 12 to 17 years of age with insomnia received a single oral dose of 8 mg ramelteon.
Healthy Adult Ramelteon 8 mgACTIVE_COMPARATORHealthy adults (18 to 50 years old) received a single oral dose of 8 mg ramelteon.
Interventions
NameTypeDescription
RamelteonDRUGRamelteon 16 mg, tablets, orally, once nightly for up to 6 months.
PlaceboDRUGRamelteon placebo-matching tablets, orally, once nightly for up to 6 months
Ramelteon 8 mgDRUG -
Zopiclone 7.5 mgDRUG -
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Eligibility Criteria
Age Range18 Years — 45 Years
SexALL
Healthy VolunteersNo
Study Sites29

Inclusion Criteria * Females of childbearing potential who are sexually active must agree to use adequate contraception, and can neither be pregnant nor lactating from Screening throughout the duration of the study. * Has had primary insomnia as defined by the Diagnostic and Statistical Manual of M...

Countries:United StatesNetherlands
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