Trial Outcomes & Findings for Niacin/Laropiprant Tablet for South and Southeast Asians With Low High-Density Lipoprotein Cholesterol (LDL-C) at Risk for Cardiovascular Disease (MK-0524A-108) (NCT NCT01414166)

NCT ID: NCT01414166

Last Updated: 2015-05-13

Results Overview

The percentage change from baseline in the participants' LDL-C was to be evaluated and averaged across treatment Week 12 and Week 16.

Recruitment status

TERMINATED

Study phase

PHASE3

Target enrollment

244 participants

Primary outcome timeframe

Baseline and Weeks 12 to 16

Results posted on

2015-05-13

Participant Flow

This study took place at 37 centers in 2 countries (29 sites in India and 8 sites in Philippines).

Participant milestones

Participant milestones
Measure
ERN/LPRT
Extended-release niacin 1 g in combination with laropiprant 20 mg administered orally once daily for 4 weeks, followed by ERN 2 g LPRT 40 mg administered orally once daily for 12 weeks, to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Placebo
Matching placebo to ERN/LRPT administered orally once daily for 16 weeks to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Overall Study
STARTED
122
122
Overall Study
Treated
120
121
Overall Study
COMPLETED
31
39
Overall Study
NOT COMPLETED
91
83

Reasons for withdrawal

Reasons for withdrawal
Measure
ERN/LPRT
Extended-release niacin 1 g in combination with laropiprant 20 mg administered orally once daily for 4 weeks, followed by ERN 2 g LPRT 40 mg administered orally once daily for 12 weeks, to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Placebo
Matching placebo to ERN/LRPT administered orally once daily for 16 weeks to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Overall Study
Adverse Event
10
2
Overall Study
Lost to Follow-up
4
1
Overall Study
Non-compliance with study drug
2
0
Overall Study
Physician Decision
2
0
Overall Study
Protocol Violation
2
0
Overall Study
Study terminated by Sponsor
68
75
Overall Study
Withdrawal by Subject
3
5

Baseline Characteristics

Niacin/Laropiprant Tablet for South and Southeast Asians With Low High-Density Lipoprotein Cholesterol (LDL-C) at Risk for Cardiovascular Disease (MK-0524A-108)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
ERN/LPRT
n=122 Participants
Extended-release niacin 1 g in combination with laropiprant 20 mg administered orally once daily for 4 weeks, followed by ERN 2 g LPRT 40 mg administered orally once daily for 12 weeks, to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Placebo
n=122 Participants
Matching placebo to ERN/LRPT administered orally once daily for 16 weeks to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Total
n=244 Participants
Total of all reporting groups
Age, Continuous
45.8 Years
STANDARD_DEVIATION 9.30 • n=5 Participants
45.3 Years
STANDARD_DEVIATION 10.18 • n=7 Participants
45.5 Years
STANDARD_DEVIATION 9.73 • n=5 Participants
Sex: Female, Male
Female
93 Participants
n=5 Participants
79 Participants
n=7 Participants
172 Participants
n=5 Participants
Sex: Female, Male
Male
29 Participants
n=5 Participants
43 Participants
n=7 Participants
72 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline and Weeks 12 to 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The percentage change from baseline in the participants' LDL-C was to be evaluated and averaged across treatment Week 12 and Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed

The percentage from baseline in the participants' ration of LDL-C to HDL-C was to be evaluated at study Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The percentage change from baseline in the participants' HDL-C was to be evaluated at study Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The percentage change from baseline in participants' TG level was to be evaluated at study Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The percentage change from baseline in participants' non-HDL-C was to be calculated at study Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The percentage change from baseline in the ratio of TC to HDL-C was to be evaluated at study Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The pecentage change from baseline in participants LP(a) was to be evaluated at study Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The percentage change from baseline in participants' Apo B was to be evaluated at study Week 16.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and Week 16

Population: Due to early study termination, this efficacy endpoint was not analyzed.

The percentage change from baseline in participants' Apo A-I was to be evaluated at study Week 16.

Outcome measures

Outcome data not reported

Adverse Events

ERN/LPRT

Serious events: 1 serious events
Other events: 42 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 17 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
ERN/LPRT
n=120 participants at risk
Extended-release niacin 1 g in combination with laropiprant 20 mg administered orally once daily for 4 weeks, followed by ERN 2 g LPRT 40 mg administered orally once daily for 12 weeks, to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Placebo
n=121 participants at risk
Matching placebo to ERN/LRPT administered orally once daily for 16 weeks to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Infections and infestations
Urinary Tract Infection
0.83%
1/120 • Number of events 1 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
0.00%
0/121 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.

Other adverse events

Other adverse events
Measure
ERN/LPRT
n=120 participants at risk
Extended-release niacin 1 g in combination with laropiprant 20 mg administered orally once daily for 4 weeks, followed by ERN 2 g LPRT 40 mg administered orally once daily for 12 weeks, to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
Placebo
n=121 participants at risk
Matching placebo to ERN/LRPT administered orally once daily for 16 weeks to South and Southeast Asian participants with low HDL-C and low-to-moderate coronary heart disease risk.
General disorders
Pyrexia
8.3%
10/120 • Number of events 10 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
2.5%
3/121 • Number of events 3 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
Infections and infestations
Upper Respiratory Tract Infection
4.2%
5/120 • Number of events 5 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
5.8%
7/121 • Number of events 7 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
Metabolism and nutrition disorders
Impaired Fasting Glucose
5.8%
7/120 • Number of events 8 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
0.83%
1/121 • Number of events 1 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
Skin and subcutaneous tissue disorders
Pruritus
12.5%
15/120 • Number of events 25 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
3.3%
4/121 • Number of events 4 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
Vascular disorders
Flushing
10.0%
12/120 • Number of events 18 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.
2.5%
3/121 • Number of events 11 • Up to Week 20 for Serious Adverse Events; Up to Week 18 for Non-Serious Adverse Events.
The safety population consisted of all participants that received at least one dose of study drug.

Additional Information

Senior Vice President, Global Clinical Development

Merck Sharp & Dohme Corp

Phone: 1-800-672-6372

Results disclosure agreements

  • Principal investigator is a sponsor employee The Sponsor must have the opportunity to review all proposed abstracts, manuscripts, or presentations regarding this study 60 days prior to submission for publication/presentation. Any information identified by the SPONSOR as confidential must be deleted prior to submission.
  • Publication restrictions are in place

Restriction type: OTHER