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A Study of Extended-release (ER) Niacin/Laropiprant in Adolescents With Heterozygous Familial Hypercholesterolemia (MK-0524A-158)

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ClinicalTrials.gov Identifier: NCT01583647
Recruitment Status : Terminated (In HPS2-THRIVE, MK-0524A did not meet the primary efficacy objective and there was a significant increase in incidence of some types of non-fatal SAEs.)
First Posted : April 24, 2012
Results First Posted : December 4, 2013
Last Update Posted : November 3, 2015
Sponsor:
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp.

Study Description
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Brief Summary:
The purpose of this study is to determine the pharmacokinetics of laropiprant following administration of a single dose of 1 (Panel A) and 2 (Panel B) combination tablets of MK-0524A in adolescents with heterozygous familial hypercholesterolemia.

Condition or disease Intervention/treatment Phase
Hypercholesterolemia, Familial Heterozygous Familial Hypercholesterolemia Drug: MK-0524A Phase 1

Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 10 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Single Dose Study to Evaluate the Safety, Tolerability and Pharmacokinetics of ER Niacin/Laropiprant in Adolescents With Heterozygous Familial Hypercholesterolemia
Study Start Date : June 2012
Actual Primary Completion Date : December 2012
Actual Study Completion Date : December 2012

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: MK-0524A 1 g/20 mg (Panel A)
Single oral dose of 1 tablet of MK-0524A. Each tablet contained Extended Release (ER) Niacin 1g and laropiprant 20 mg
 Drug: MK-0524A
1 tablet of MK-0524A (1g ER niacin/20mg laropripant) orally
Other Name: Extended-release (ER) Niacin/Laropiprant
Experimental: MK-0524A 2 g/40 mg (Panel B)
Single oral dose of 2 tablets of MK-0524A. Each tablet contained Extended Release (ER) Niacin 1g and laropiprant 20 mg
 Drug: MK-0524A
2 tablets of MK-0524A (1g ER niacin/20mg laropripant) orally
Other Name: Extended-release (ER) Niacin/Laropiprant


Outcome Measures
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Primary Outcome Measures :
  1. Plasma Area Under the Concentration Curve From 0 to Infinity (AUC0-∞) of Laropiprant [ Time Frame: Predose Day 1 up to 24 hours postdose ]
  2. Plasma Maximum Concentration (Cmax) of Laropiprant [ Time Frame: Predose on Day 1 up to 48 hours postdose ]
  3. Total Urinary Excretion of Niacin and Niacin Metabolites [ Time Frame: Predose on Day 1 up to 72 hours postdose ]
  4. Plasma Cmax of Nicotinuric Acid (NUA) [ Time Frame: Predose on Day 1 up to 48 hours postdose ]

Eligibility Criteria
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Ages Eligible for Study:   10 Years to 16 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Post-pubescent adolescent age 10 to 16 with heterozygous familial hypercholesterolemia
  • Agree to use (and/or have their partner use) acceptable methods of birth control beginning at the prestudy visit until at least 2 weeks after dosing of study drug
  • Height and weight fall between the 10th and 95th percentile for age with a minimum body weight of 23 kg
  • Receiving appropriate medical care for hypercholesterolemia, such as a statin or other lipid-modifying therapy.

Exclusion Criteria:

  • History of psychiatric or personality disorders that may affect the patient's ability to participate
  • History of stroke, chronic seizures, or major neurological disorder
  • History of clinically significant endocrine, gastrointestinal, cardiovascular, hematological, hepatic, immunological, renal, respiratory, or genitourinary abnormalities or diseases (excluding lipid abnormalities)
  • Poorly controlled or recently diagnosed Type 1 or Type 2 diabetes mellitus
  • History of neoplastic disease within previous 5 years
  • Consumes alcohol or excessive amounts of products that contain caffeine (e.g. cola)
  • Has had major surgery, donated and/or received blood within previous 8 weeks
  • Participated in another investigational study within previous 4 weeks
  • History of significant multiple and/or severe allergies (including latex allergy), or has had an anaphylactic reaction or significant intolerability to prescription or non-prescription drugs or food
  • Positive for hepatitis B surface antigen, hepatitis C antibodies or human immunodeficiency virus (HIV)
  • Cannot swallow large tablets
  • Pregnant or breastfeeding
Contacts and Locations
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No Contacts or Locations Provided
More Information
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Responsible Party: Merck Sharp & Dohme Corp.
ClinicalTrials.gov Identifier: NCT01583647    
Other Study ID Numbers: 0524A-158
2012-001443-49 ( EudraCT Number )
First Posted: April 24, 2012    Key Record Dates
Results First Posted: December 4, 2013
Last Update Posted: November 3, 2015
Last Verified: November 2015
Additional relevant MeSH terms:
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Hyperlipoproteinemia Type II
Hypercholesterolemia
Hyperlipidemias
Dyslipidemias
Lipid Metabolism Disorders
Metabolic Diseases
Lipid Metabolism, Inborn Errors
Metabolism, Inborn Errors
Genetic Diseases, Inborn
Hyperlipoproteinemias
Niacin
 Niacinamide
Nicotinic Acids
Hypolipidemic Agents
Antimetabolites
Molecular Mechanisms of Pharmacological Action
Lipid Regulating Agents
Vasodilator Agents
Vitamin B Complex
Vitamins
Micronutrients
Physiological Effects of Drugs