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niacin laropiprant

Phase 3

Dyslipidemia | Small molecule | Cardiovascular |Merck & Company, Inc.|Trials Updated: Aug 31, 2018

niacin laropiprant development status

Highest phase Phase 3
Registered trials 4 across 1 sponsor since Sep 2007

niacin laropiprant target and mechanism

ModalitySmall molecule

Also known as Tredaptive, MK0524A

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials13
Total Enrollment9,118

FDA Designations

No designations recorded

niacin laropiprant clinical trials

niacin laropiprant · 13 trials · 10 indications

Phase 3 6Phase 2 4Phase 1 3
NCT00961636A Long-term Study of ERN/LRPT (Extended Release Niacin/Laropiprant [MK0524A]) in Patients With Dyslipidemia (0524A-102)Dyslipidemia
COMPLETED1,152 Analytics
NCT00533611Effect of MK0524A on Flushing Caused by Niacin (0524A-056)Flushing
COMPLETED330 Analytics
NCT00378833Tolerability of MK0524A Versus Niacin Extended-Release (0524A-054)Hypercholesterolemia
COMPLETED1,300 Analytics
NCT00376584Effect of an Investigational Compound on Tolerability of Extended Release Niacin (0524A-023)(COMPLETED)Hypercholesteremia
COMPLETED825 Analytics
NCT00289900Lipid Efficacy and Safety in Participants With Mixed Hyperlipidemia (MK-0524B-024)Mixed Hyperlipidemia
COMPLETED2,340 Analytics
NCT00269204Lipid Efficacy/Tolerability Study (0524A-020)Primary Hypercholesterolaemia
COMPLETED1,620 Analytics
PHASE3COMPLETED
A Long-term Study of ERN/LRPT (Extended Release Niacin/Laropiprant [MK0524A]) in Patients With Dyslipidemia (0524A-102)
DyslipidemiaUnlock trial analytics
PHASE3COMPLETED
Effect of MK0524A on Flushing Caused by Niacin (0524A-056)
FlushingUnlock trial analytics
PHASE3COMPLETED
Tolerability of MK0524A Versus Niacin Extended-Release (0524A-054)
HypercholesterolemiaUnlock trial analytics
PHASE3COMPLETED
Effect of an Investigational Compound on Tolerability of Extended Release Niacin (0524A-023)(COMPLETED)
HypercholesteremiaUnlock trial analytics
PHASE3COMPLETED
Lipid Efficacy and Safety in Participants With Mixed Hyperlipidemia (MK-0524B-024)
Mixed HyperlipidemiaUnlock trial analytics
PHASE3COMPLETED
Lipid Efficacy/Tolerability Study (0524A-020)
Primary HypercholesterolaemiaUnlock trial analytics

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.

MK-0524A produces less flushing during the acute dosing period than niacin extended-release as measured by maximum Global Flushing Severity Score (GFSS) categorized as none/mild, moderate, severe, extreme.
Over 1 week
Global Flushing Severity Score (GFSS) over 16 weeks
Global Flushing Severity Score (GFSS) during 7 days of treatment
during 7 days of treatment
Percentage Change From Baseline in the LDL-C/HDL-C Ratio
Baseline and Week 12

Blood samples taken at baseline and after 12 weeks of treatment to determine the LDL-C and HDL-C levels. The LDL-C/HDL-C ratio was then calculated for baseline and Week 12 and the change from baseline at Week 12 was recorded.

Reductions of LDL-C concentrations at 24 weeks and better tolerability
at 24 weeks
Acute cutaneous symptoms induced by niacin for 7 days.
7 days
To assess the HDL-C raising efficacy of MK-0524A when compared with niacin extended release (NIASPAN) and placebo.
After 4 weeks
To determine the most effective daily dose and measurements to assess acute and chronic (long-lasting) Niacin Induce Flushing (NIF).
8 weeks
To determine the effect of MK0524A on lipids and blood glucose
17 Weeks
Cutaneous Bleeding Time (BT)
Day 8

Cutaneous bleeding Time (BT) on Day 8 after daily administration of laropiprant with aspirin and clopidogrel for 7 days versus BT on Day 8 after daily administration of placebo with aspirin and clopidogrel for 7 days. The model used included treatment, period and sequence as fixed effect variables and subjects as the random effect variable. Period 3 was not analyzed as bleeding time was not an objective for this part of the study.

Urinary 11-Dehydrothromboxane B2 (11-dTxB2)
On Day 7 across the 24-hour urinary collection period.

The creatinine-normalized urine levels of 11-dTxB2 on Day 7 following a 7 day course of daily dosing in the overall 24 hour collection interval

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
MK-0524A produces less flushing during the acute dosing period than niacin extended-release as measured by (a) maximum daily GFSS; and (b) percentage of patients with a maximum GFSS =4 (moderate or greater).
Daily
Safety/tolerability
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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.
Placebo → MK-0524A 2gPLACEBO_COMPARATORFollowing an 8-week active run-in (MK-0524A 1g (4 Weeks) then MK-0524A 2g (4 weeks) participants will be administered MK-0524A Placebo for 5 days (drug holiday) followed by MK-0524A 2 g for the remainder of the study (7 days).
Placebo → Extended Release (ER)-Niacin 2gACTIVE_COMPARATORFollowing an 8-week active run-in (MK-0524A 1g (4 Weeks) then MK-0524A 2g (4 weeks) participants will be administered MK-0524A Placebo for 5 days (drug holiday) followed by ER-Niacin 2g for the remainder of the study (7 days)
MK-0524A 2gEXPERIMENTALFollowing an 8-week active run-in (MK-0524A 1g (4 Weeks) then MK-0524A 2g (4 weeks) participants will be administered MK-0524A 2g for the remainder of the study (approximately 2 weeks).
MK-0524B 2g/20 mgEXPERIMENTALCo-administration of one tablet of MK-0524A (Extended Release \[ER\] niacin/laropiprant \[LRPT\] 1g + one tablet of simvastatin 10 mg for 4 weeks, then co-administration of two tablets of MK-0524A 1g + simvastatin 20 mg for 8 weeks
MK-0524B 2g/40mgEXPERIMENTALCo-administration of one tablet of MK-0524A 1g + one tablet of simvastatin 20 mg for 4 weeks, then co-administration of two tablets of MK-0524A 1g + simvastatin 40 mg for 8 weeks
Atorvastatin 10 mgACTIVE_COMPARATORAtorvastatin 10 mg, orally, once daily for 12 weeks
Atorvastatin 20 mgACTIVE_COMPARATORAtorvastatin 20 mg, orally, once daily for 12 weeks
Atorvastatin 40 mgACTIVE_COMPARATORAtorvastatin 40 mg, orally, once daily for 12 weeks
Atorvastatin 80 mgACTIVE_COMPARATORAtorvastatin 80 mg, orally, once daily for 12 weeks
Period 1EXPERIMENTALIn Periods 1 and 2 each participant will receive one of the following treatments in a randomized crossover fashion: Treatment A (aspirin 81 mg, clopidogrel 75 mg and laropiprant 40 mg once daily for 7 days) or Treatment B (aspirin 81 mg, clopidogrel 75 mg and placebo to laropiprant 40 mg once daily for 7 days).
Period 2EXPERIMENTALIn Periods 1 and 2 each participant will receive one of the following treatments in a randomized crossover fashion: Treatment A (aspirin 81 mg, clopidogrel 75 mg and laropiprant 40 mg once daily for 7 days) or Treatment B (aspirin 81 mg, clopidogrel 75 mg and placebo to laropiprant 40 mg once daily for 7 days).
Period 3EXPERIMENTAL -
AEXPERIMENTALArm A: ER niacin/laropiprant + Placebo to laropiprant
BEXPERIMENTALArm B: ER niacin + Placebo to laropiprant
CEXPERIMENTALArm C: laropiprant + Placebo to ER Niacin/laropiprant
DPLACEBO_COMPARATORArm D: Placebo

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
MK0524A, /Duration of Treatment : 4 WeeksDRUG -
Comparator : niacin /Duration of Treatment : 1 WeeksDRUG -
niacin (+) laropiprantDRUGDuration of Treatment: 18 Weeks
niacinDRUGDuration of Treatment: 18 Weeks
MK-0524ADRUG -
ER NiacinDRUG -
PlaceboDRUG -
AtorvastatinDRUG -
SimvastatinDRUG -
ER-niacinDRUGDuration of Treatment - 24 weeks
Comparator: placebo (unspecified)DRUG -
Comparator : placebo (unspecified) / Duraton of Treatment: 4 WeeksDRUG -
MK0524A, niacin (+) laropiprant / Duration of Treatment : 4 WeeksDRUG -
Comparator : niacin / Duraton of Treatment: 4 WeeksDRUG -
MK0524A, /Duration of Treatment : 8 WeeksDRUG -
Comparator : placebo (unspecified) /Duration of Treatment : 8 WeeksDRUG -
Comparator: niacin / Duration of Treatment: 17 WeeksDRUG -
MK0524A, niacin (+) laropiprant / Duration of Treatment: 17 WeeksDRUG -
Comparator: placebo (unspecified) / Duration of Treatment: 17 WeeksDRUG -
Comparator: aspirinDRUG81 mg oral tablet once daily for 7 days
Comparator: clopidogrelDRUG75 mg oral tablet once daily for 7 days
Comparator: laropiprantDRUG40 mg oral tablet once daily for 7 days
Comparator: placeboDRUGplacebo oral tablet once daily for 7 days
Comparator: ER niacin (+) laropiprantDRUGER niacin 2 g/ laropiprant 40 mg daily for 7 days.
Comparator: ER niacinDRUGER niacin 2 g daily for 7 days.
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 to 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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Frequently asked questions about niacin laropiprant

What is niacin laropiprant?

Niacin laropiprant is an investigational small molecule combination developed by Merck & Company, Inc. (MRK) for dyslipidemia and hypercholesterolemia. It pairs extended-release niacin with laropiprant and was studied in Phase 3 clinical development. It is not described as approved and remains an investigational therapy.

What is niacin laropiprant used for?

Niacin laropiprant was developed for dyslipidemia, hypercholesterolemia, primary hypercholesterolemia, and type 2 diabetes mellitus. These are the conditions studied across its clinical program. It is an investigational combination therapy, not a marketed product, and its development focused on lipid management in these patient populations.

Who makes niacin laropiprant?

Merck & Company, Inc., which trades under the ticker MRK, developed niacin laropiprant. The company sponsored the clinical program for the combination, including the Phase 3 dyslipidemia study and the supporting Phase 1 trials. Merck is the developer associated with this asset.

What phase is niacin laropiprant in?

Niacin laropiprant reached Phase 3 clinical development. Its Phase 3 study in dyslipidemia was completed, and the program also included completed Phase 1 trials. The drug is investigational and is not described as FDA approved.

What clinical trials is niacin laropiprant in?

Niacin laropiprant was studied in completed trials including NCT00961636, a Phase 3 long-term study in dyslipidemia with 1,152 patients, and NCT01012219, a Phase 1 study of laropiprant with clopidogrel and aspirin. Other completed trials include NCT00944645 and NCT00618995. All trials in the program are completed.