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A Study to Evaluate the Effects of Extended Release (ER) Niacin/Laropiprant, Laropiprant, ER Niacin, and Placebo on Urinary Prostanoid Metabolites in Subjects With High Cholesterol (0524A-075)(COMPLETED)

Primary Purpose

Hypercholesterolemia

Status
Completed
Phase
Phase 1
Locations
Study Type
Interventional
Intervention
Comparator: niacin + laropiprant
Comparator: niacin
Comparator: laropiprant
Comparator: placebo
Sponsored by
Merck Sharp & Dohme LLC
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Hypercholesterolemia

Eligibility Criteria

18 Years - 65 Years (Adult, Older Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  • Female subjects may not be pregnant and/or will agree to use appropriate method of contraception beginning at least 2 weeks prior to administration of the first dose of study drug in the first treatment period, throughout the study and until at least 2 weeks after administration of the last dose of study drug in the last treatment period.
  • Subject is judged to be in good health based on medical history, physical examination, vital sign measurements, and laboratory safety tests performed at the prestudy (screening) visit and/or prior to administration of the initial dose of study drug.
  • Subject has no clinically significant abnormality on electrocardiogram (ECG) performed at the prestudy (screening) visit and/or prior to administration of the initial dose of study drug.
  • Subject has been a nonsmoker and/or has not used nicotine or nicotine-containing products for at least approximately 6 months; subjects who have discontinued smoking or the use of nicotine/nicotine containing products for at least approximately 3 months may be enrolled in the study at the discretion of the investigator

Exclusion Criteria:

  • Subject is mentally or legally incapacitated, has significant emotional problems at the time of prestudy (screening) visit or expected during the conduct of the study or has a history of a clinically significant psychiatric disorder over the last 5 to 10 years. - Subjects who have had situational depression may be enrolled in the study at the discretion of the investigator.
  • Subject has a history of stroke, chronic seizures, or major neurological disorder.
  • Subject has a history of clinically significant endocrine, gastrointestinal, cardiovascular, hematological, hepatic, immunological, renal, respiratory, or genitourinary abnormalities or diseases.
  • Subject has a history of neoplastic disease (including leukemia, lymphoma, malignant melanoma), or myeloproliferative disease, regardless of the time since treatment.
  • Subject has history of a thrombotic or platelet related disorder including prior deep venous thrombosis. Subject is being treated with coumadin, heparin, clopidogrel has used these agents within 2 weeks of screening. Subject is being treated with aspirin or has used this agent within 3 weeks prior to administration of screening.
  • Subject is unable to refrain from or anticipates the use of any medication, including prescription and non- prescription drugs or herbal remedies beginning approximately 2 weeks prior to administration of the initial dose of study drug, throughout the study until the poststudy visit.
  • Subject consumes excessive amounts of alcohol, defined as greater than 3 glasses, of alcoholic beverages or distilled spirits per day.
  • Subject consumes excessive amounts, defined as greater than 6 servings, of coffee, tea, cola, or other caffeinated beverages per day.
  • Subject has had major surgery, donated or lost 1 unit of blood (approximately 500 mL) or participated in another investigational study within 4 weeks prior to the prestudy (screening) visit.
  • Subject has a history of significant multiple and/or severe allergies, or has had an anaphylactic reaction or significant intolerability to prescription or non-prescription drugs or food.
  • Subject is currently a regular user of any illicit drugs or has a history of drug (including alcohol) abuse within approximately 6 months.

Sites / Locations

    Arms of the Study

    Arm 1

    Arm 2

    Arm 3

    Arm 4

    Arm Type

    Experimental

    Active Comparator

    Experimental

    Placebo Comparator

    Arm Label

    A

    B

    C

    D

    Arm Description

    ER niacin/laropiprant + Placebo to laropiprant

    ER niacin + Placebo to laropiprant

    laropiprant + Placebo to ER niacin/laropiprant

    Placebo

    Outcomes

    Primary Outcome Measures

    Urinary 11-dehydrothromboxane B2 (11-dTxB2)
    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.

    Secondary Outcome Measures

    Prostaglandin I Metabolite (PGI-M)
    The creatinine-normalized urine levels of PGI-M in the overall 24 hour collection interval following administration on Day 7.

    Full Information

    First Posted
    October 7, 2008
    Last Updated
    November 8, 2019
    Sponsor
    Merck Sharp & Dohme LLC
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    1. Study Identification

    Unique Protocol Identification Number
    NCT00769132
    Brief Title
    A Study to Evaluate the Effects of Extended Release (ER) Niacin/Laropiprant, Laropiprant, ER Niacin, and Placebo on Urinary Prostanoid Metabolites in Subjects With High Cholesterol (0524A-075)(COMPLETED)
    Official Title
    A Randomized, Double-Blind, Placebo-Controlled, 4-Period, Crossover Study to Evaluate the Effects of ER Niacin/Laropiprant, Laropiprant, ER Niacin, and Placebo on Urinary Prostanoid Metabolites in Subjects With Hypercholesterolemia
    Study Type
    Interventional

    2. Study Status

    Record Verification Date
    November 2019
    Overall Recruitment Status
    Completed
    Study Start Date
    August 3, 2007 (Actual)
    Primary Completion Date
    October 13, 2007 (Actual)
    Study Completion Date
    November 6, 2007 (Actual)

    3. Sponsor/Collaborators

    Responsible Party, by Official Title
    Sponsor
    Name of the Sponsor
    Merck Sharp & Dohme LLC

    4. Oversight

    5. Study Description

    Brief Summary
    The purpose of this study is to evaluate the potential effects of ER niacin/laropiprant, ER niacin, laropiprant, and placebo over the course of seven days on urinary levels of a metabolite of thromboxane A2 (TxA2), as a marker of in vivo platelet reactivity.

    6. Conditions and Keywords

    Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
    Hypercholesterolemia

    7. Study Design

    Primary Purpose
    Treatment
    Study Phase
    Phase 1
    Interventional Study Model
    Crossover Assignment
    Masking
    ParticipantInvestigator
    Allocation
    Randomized
    Enrollment
    26 (Actual)

    8. Arms, Groups, and Interventions

    Arm Title
    A
    Arm Type
    Experimental
    Arm Description
    ER niacin/laropiprant + Placebo to laropiprant
    Arm Title
    B
    Arm Type
    Active Comparator
    Arm Description
    ER niacin + Placebo to laropiprant
    Arm Title
    C
    Arm Type
    Experimental
    Arm Description
    laropiprant + Placebo to ER niacin/laropiprant
    Arm Title
    D
    Arm Type
    Placebo Comparator
    Arm Description
    Placebo
    Intervention Type
    Drug
    Intervention Name(s)
    Comparator: niacin + laropiprant
    Intervention Description
    ER niacin 2 g/laropiprant 40 mg tablet once daily for 7 days
    Intervention Type
    Drug
    Intervention Name(s)
    Comparator: niacin
    Other Intervention Name(s)
    Niaspan
    Intervention Description
    ER niacin 2 g tablet once daily for 7 days
    Intervention Type
    Drug
    Intervention Name(s)
    Comparator: laropiprant
    Intervention Description
    laropiprant 40 mg once daily for 7 days
    Intervention Type
    Drug
    Intervention Name(s)
    Comparator: placebo
    Intervention Description
    matching placebo tablets for each of the interventions once daily for 7 days
    Primary Outcome Measure Information:
    Title
    Urinary 11-dehydrothromboxane B2 (11-dTxB2)
    Description
    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.
    Time Frame
    On Day 7 across the 24-hour urinary collection period.
    Secondary Outcome Measure Information:
    Title
    Prostaglandin I Metabolite (PGI-M)
    Description
    The creatinine-normalized urine levels of PGI-M in the overall 24 hour collection interval following administration on Day 7.
    Time Frame
    On Day 7 across the 24-hour urinary collection period.

    10. Eligibility

    Sex
    All
    Minimum Age & Unit of Time
    18 Years
    Maximum Age & Unit of Time
    65 Years
    Accepts Healthy Volunteers
    Accepts Healthy Volunteers
    Eligibility Criteria
    Inclusion Criteria: Female subjects may not be pregnant and/or will agree to use appropriate method of contraception beginning at least 2 weeks prior to administration of the first dose of study drug in the first treatment period, throughout the study and until at least 2 weeks after administration of the last dose of study drug in the last treatment period. Subject is judged to be in good health based on medical history, physical examination, vital sign measurements, and laboratory safety tests performed at the prestudy (screening) visit and/or prior to administration of the initial dose of study drug. Subject has no clinically significant abnormality on electrocardiogram (ECG) performed at the prestudy (screening) visit and/or prior to administration of the initial dose of study drug. Subject has been a nonsmoker and/or has not used nicotine or nicotine-containing products for at least approximately 6 months; subjects who have discontinued smoking or the use of nicotine/nicotine containing products for at least approximately 3 months may be enrolled in the study at the discretion of the investigator Exclusion Criteria: Subject is mentally or legally incapacitated, has significant emotional problems at the time of prestudy (screening) visit or expected during the conduct of the study or has a history of a clinically significant psychiatric disorder over the last 5 to 10 years. - Subjects who have had situational depression may be enrolled in the study at the discretion of the investigator. Subject has a history of stroke, chronic seizures, or major neurological disorder. Subject has a history of clinically significant endocrine, gastrointestinal, cardiovascular, hematological, hepatic, immunological, renal, respiratory, or genitourinary abnormalities or diseases. Subject has a history of neoplastic disease (including leukemia, lymphoma, malignant melanoma), or myeloproliferative disease, regardless of the time since treatment. Subject has history of a thrombotic or platelet related disorder including prior deep venous thrombosis. Subject is being treated with coumadin, heparin, clopidogrel has used these agents within 2 weeks of screening. Subject is being treated with aspirin or has used this agent within 3 weeks prior to administration of screening. Subject is unable to refrain from or anticipates the use of any medication, including prescription and non- prescription drugs or herbal remedies beginning approximately 2 weeks prior to administration of the initial dose of study drug, throughout the study until the poststudy visit. Subject consumes excessive amounts of alcohol, defined as greater than 3 glasses, of alcoholic beverages or distilled spirits per day. Subject consumes excessive amounts, defined as greater than 6 servings, of coffee, tea, cola, or other caffeinated beverages per day. Subject has had major surgery, donated or lost 1 unit of blood (approximately 500 mL) or participated in another investigational study within 4 weeks prior to the prestudy (screening) visit. Subject has a history of significant multiple and/or severe allergies, or has had an anaphylactic reaction or significant intolerability to prescription or non-prescription drugs or food. Subject is currently a regular user of any illicit drugs or has a history of drug (including alcohol) abuse within approximately 6 months.
    Overall Study Officials:
    First Name & Middle Initial & Last Name & Degree
    Medical Monitor
    Organizational Affiliation
    Merck Sharp & Dohme LLC
    Official's Role
    Study Director

    12. IPD Sharing Statement

    Citations:
    PubMed Identifier
    19833861
    Citation
    Lauring B, Dishy V, Luo WL, Laterza O, Patterson J, Cote J, Chao A, Larson P, Gutierrez M, Wagner JA, Lai E. Laropiprant in combination with extended-release niacin does not alter urine 11-dehydrothromboxane B2, a marker of in vivo platelet function, in healthy, hypercholesterolemic, and diabetic subjects. J Clin Pharmacol. 2009 Dec;49(12):1426-35. doi: 10.1177/0091270009339593. Epub 2009 Oct 15.
    Results Reference
    result

    Learn more about this trial

    A Study to Evaluate the Effects of Extended Release (ER) Niacin/Laropiprant, Laropiprant, ER Niacin, and Placebo on Urinary Prostanoid Metabolites in Subjects With High Cholesterol (0524A-075)(COMPLETED)

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