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Open Label Extension of ISIS 301012 to Treat Familial Hypercholesterolemia
This study is ongoing, but not recruiting participants.
Sponsors and Collaborators: Genzyme
Isis Pharmaceuticals
Information provided by: Genzyme
ClinicalTrials.gov Identifier: NCT00477594
  Purpose

The purpose of this study is to evaluate the safety and efficacy of mipomersen in subjects with familial hypercholesterolemia on lipid-lowering therapy who have completed either the 301012-CS8 or 301012-CS9 clinical drug trials.


Condition Intervention Phase
Lipid Metabolism, Inborn Errors
Hypercholesterolemia, Autosomal Dominant
Hyperlipidemias
Metabolic Diseases
Hyperlipoproteinemia Type II
Metabolism, Inborn Errors
Genetic Diseases, Inborn
Infant, Newborn, Diseases
Metabolic Disorder
Congenital Abnormalities
Hypercholesterolemia
Hyperlipoproteinemias
Dyslipidemias
Lipid Metabolism Disorders
Drug: mipomersen sodium
Phase II

Genetics Home Reference related topics: cholesteryl ester storage disease Farber lipogranulomatosis hypercholesterolemia long-chain 3-hydroxyacyl-coenzyme A dehydrogenase deficiency mitochondrial trifunctional protein deficiency primary carnitine deficiency
MedlinePlus related topics: Cholesterol Metabolic Disorders
Drug Information available for: Mipomersen sodium
U.S. FDA Resources
Study Type: Interventional
Study Design: Treatment, Randomized, Open Label, Uncontrolled, Parallel Assignment, Safety/Efficacy Study
Official Title: An Open-Label Extension Study to Assess the Long-Term Safety and Efficacy of ISIS 301012 in Subjects With Familial Hypercholesterolemia

Further study details as provided by Genzyme:

Primary Outcome Measures:
  • Percent reduction of LDL-C, apo-B, total cholesterol, and non-HDL-C level from baseline to various timepoints [ Time Frame: 2 years of treatment and 24 weeks of follow-up ] [ Designated as safety issue: Yes ]

Estimated Enrollment: 52
Study Start Date: May 2007
Estimated Study Completion Date: June 2010
Estimated Primary Completion Date: March 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
1: Experimental
mipomersen 200 mg per week
Drug: mipomersen sodium
200 mg s.c. once a week.
2: Experimental
mipomersen 200 mg every other week
Drug: mipomersen sodium
200 mg s.c. once every other week

Detailed Description:

Familial Hypercholesterolemia (FH) is an autosomal dominant metabolic disorder characterized by markedly elevated low density lipoprotein (LDL), premature onset of atherosclerosis and development of xanthomata. There are two distinct subpopulations that have a high unmet medical need due to the lack of alternative therapy. These are the homozygotes who have two defective LDL receptor (LDL-R) genes, and heterozygotes with a history of cardiovascular disease (CVD) on maximally tolerated therapy. Treatment for FH is directed at lowering plasma levels of LDL-C.

Mipomersen is an antisense drug targeted to human apoB-100, the principal apolipoprotein of atherogenic LDL-C and its metabolic precursor, VLDL. Mipomersen is complimentary to the coding region of the mRNA for apoB-100. Inhibition of apoB-100 would be expected to impair VLDL synthesis and result in lowered levels of LDL-C.

In early clinical trials, mipomersen has been shown to reduce levels of LDL-C to recommended target levels in some subjects.

The intent of this trial is to gather additional information to evaluate the overall benefit-risk relationship of the drug, and to provide ongoing therapy for FH subjects who participated in two prior mipomersen trials (301012-CS8 and 301012-CS9).

  Eligibility

Ages Eligible for Study:   12 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

- Satisfactory completion of dosing and Week 7 or Week 15 assessments (depending on the treatment and dose received) in their initial study (Protocol 301012-CS8 or 301012-CS9).

Exclusion Criteria:

- Have a new condition or worsening of existing condition which in the opinion of the Investigator would make the subject unsuitable for enrollment, or could interfere with subject's participation in or completion of the study.

  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00477594

Locations
United States, Illinois
Chicago, Illinois, United States, 60610
United States, Maine
Auburn, Maine, United States, 04210
Scarborough, Maine, United States, 04074
United States, Ohio
Cincinnati, Ohio, United States, 45212
Sponsors and Collaborators
Genzyme
Isis Pharmaceuticals
Investigators
Study Chair: Joanne M Donovan, M.D., PhD Genzyme
  More Information

Responsible Party: Genzyme Corporation. ( Medical Monitor )
Study ID Numbers: 301012-CS17
Study First Received: May 22, 2007
Last Updated: August 16, 2008
ClinicalTrials.gov Identifier: NCT00477594  
Health Authority: United States: Food and Drug Administration

Keywords provided by Genzyme:
Familial Hypercholesterolemia
Heterozygous Familial Hypercholesterolemia
Homozygous Familial Hypercholesterolemia
ISIS 301012
mipomersen
Open Label Extension

Study placed in the following topic categories:
Lipid Metabolism, Inborn Errors
Hypercholesterolemia, autosomal dominant
Hyperlipidemias
Metabolic Diseases
Hyperlipoproteinemia Type II
Metabolism, Inborn Errors
Genetic Diseases, Inborn
Infant, Newborn, Diseases
Congenital Abnormalities
Metabolic disorder
Hypercholesterolemia
Dyslipidemias
Hyperlipoproteinemias
Lipid Metabolism Disorders

Additional relevant MeSH terms:
Pathologic Processes
Disease

ClinicalTrials.gov processed this record on January 16, 2009