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niacin laropiprant

Phase 3

Dyslipidemia | Small molecule | Metabolic |Merck & Company, Inc.|Last Updated: Feb 17, 2017

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 Enrollment1,915
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00961636A Long-term Study of ERN/LRPT (Extended Release Niacin/Laropiprant [MK0524A]) in Patients With Dyslipidemia (0524A-102)PHASE3 COMPLETED 1,152Oct 1, 2009Jan 1, 2011Feb 16, 2015 -
NCT00111891An Investigational Drug Study Evaluating a Novel Approach to Treat Dyslipidemia (0524A-032)PHASE2 COMPLETED 575Jun 1, 2005Aug 1, 2005Feb 17, 2017 -
NCT00944645MK0524A Bioequivalence Study (0524A-059)PHASE1 COMPLETED 188Oct 1, 2006Jan 1, 2007Jun 19, 2015 -
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Study Endpoints
Primary Endpoints
Number Participants With Days Per Week With Global Flushing Severity Score (GFSS) ≥4 Partitioned Into 6 Categories During the Postwithdrawal Period
Week 21 to Week 32

Flushing symptoms were recorded using participant's response to the Global Flushing Severity Score (GFSS), which assessed the overall severity of the flushing experience, using a scale of 0 (no symptom) to 10 (extreme). The number of days/week was derived as: 7\*(total number of days with GFSS ≥4 across Weeks 21-32 divided by the total number of days with nonmissing GFSS across the same period). The number of days/week with a GFSS ≥4 for each participant was listed in 1 of the following 6 categories: 0, \>0 to 0.5, \>0.5 to 1, \>1 to 2, \>2 to 3, and \>3 days per week.

Acute cutaneous symptoms induced by niacin for 7 days.
7 days
Maximum Plasma Concentration (Cmax) of Nicotinuric Acid
Predose and up to 24 hours postdose

Measure of rate of absorption of ER niacin

Total Amount of Urinary Excretion of Niacin and Its Metabolites
Predose and up to 96 hours postdose

Measure of extent of absorption of ER niacin

Area Under Curve (AUC 0-infinity) of Laropiprant
Predose and up to 48 hours postdose

Measure of extent of absorption of laropiprant

Maximum Concentration (Cmax) of Laropiprant
Predose and up to 48 hours postdose

Measure of rate of absorption of laropiprant

Secondary Endpoints
Number of Participants With Maximum GFSS ≥4 During the Post-withdrawal Period
Week 21 to Week 32
Tolerability
7 days
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
ERN/LRPTEXPERIMENTALOne 1g/20 mg tablet ERN/LRPT once daily for 4 weeks, then two 1g/20 mg tablets daily (2g/40 mg total) for 28 weeks
ERN/LRPT then ERNEXPERIMENTALOne 1g/20mg tablet ERN/LRPT once daily for 4 weeks, then two 1g/20 mg tablets daily (2g/40 mg total) for 16 weeks then Two 1g tablets ERN (2g total) once daily for 12 weeks.
PlaceboPLACEBO_COMPARATOROne tablet placebo to ERN/LRPT once daily for 4 weeks, then two tablets placebo to ERN/LRPT daily for 28 weeks.
AACTIVE_COMPARATORMK0524A Source 1 (Phase III manufacturing site)
BACTIVE_COMPARATORMK0524A Source 2 (commercial manufacturing site)
Interventions
NameTypeDescription
ER niacin (+) laropiprant (ERN/LRPT)DRUGOne 1g/20 mg tablet ERN/LRPT once daily for 4 weeks, then two 1g/20 mg tablets daily (2g/40 mg total) for 28 weeks
Extended-release niacin (ERN)DRUGTwo 1g tablets ERN (2g total) once daily for 12 weeks.
Placebo to ERN/LRPTDRUGOne tablet placebo to ERN/LRPT once daily for 4 weeks, then two tablets placebo to ERN/LRPT daily for 28 weeks
niacin (+) laropiprantDRUG -
Comparator: placebo (unspecified)DRUG -
niacin (+) laropiprant (Source 1)DRUGSingle dose of MK0524A (ER Niacin/laropiprant 1000/20 mg) from Source 1 in one of two treatment periods.
Comparator: niacin (+) laropiprant (Source 2)DRUGSingle dose of MK0524A (ER Niacin/laropiprant 1000/20 mg) from Source 2 in one of two treatment periods.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Patient is a male, or a female who is unlikely to conceive, as indicated by meeting at least one of the following conditions: (a) Patient is a male.(b) Patient is a female of reproductive potential and either agrees to remain abstinent (if this form of birth control is accepte...

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