Trial to Evaluate the Safety of Lovastatin in Individuals With Neurofibromatosis Type I (NF1)

This study is currently recruiting participants. (see Contacts and Locations)
Verified December 2012 by University of California, Los Angeles
Sponsor:
Information provided by (Responsible Party):
Carrie Bearden, University of California, Los Angeles
ClinicalTrials.gov Identifier:
NCT00352599
First received: July 13, 2006
Last updated: December 17, 2012
Last verified: December 2012
  Purpose

Neurofibromatosis type I (NF1) is a genetic disorder that affects approximately 1 in 3500 individuals. Half of people with NF1 inherit the condition from a parent, and half have a new occurrence of the condition. The manifestation of NF1 is highly variable and multiple organ systems are typically affected. Some of the more common symptoms include benign neurofibromas, café au lait spots, Lisch nodules (tan spots on the iris of the eye). Some individuals with NF1 also exhibit more severe associated conditions, such as optic pathway tumors (gliomas) or bones bending or curving. Neurocognitive deficits and specific learning disabilities occur in approximately 30 to 50% of individuals with NF1 and are regarded by some observers and sufferers to be among the most troubling features of a disease. The most commonly reported findings are deficits in visuoperceptual ability, motor coordination, expressive and receptive language, and executive functioning, which requires intact short-term memory and attention. Patients with NF1 also show a slight depression in mean IQ scores compared to healthy adults without the disorder.

While cognitive deficits are now a widely-recognized feature of Neurofibromatosis Type 1 (NF1), the precise cause of these deficits still remain to be determined. Dr. Alcino Silva, a co- investigator on this study, has developed an animal model of NF1 in which mice have a specific mutation of the *NF1* gene. These mice are physically normal but show specific learning impairments. Dr. Silva's lab found that treatment with a medication called lovastatin, a drug typically used for high cholesterol, reversed some of the spatial deficits seen in these animals. Lovastatin is a medication commonly used to treat high cholesterol and has been proven to be relatively safe and tolerable in humans.

The investigators are now conducting a randomized, double-blinded, placebo- controlled, trial of lovastatin in patients with NF1. Participants will be randomly assigned to lovastatin or placebo and treated for approximately 14 weeks with baseline and follow-up assessments to evaluate safety and any effects on neurocognitive test performance.


Condition Intervention Phase
Neurofibromatosis 1
Drug: Lovastatin
Drug: placebo pill
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Trial to Evaluate the Safety of Lovastatin in Individuals With Neurofibromatosis Type I (NF1)

Resource links provided by NLM:


Further study details as provided by University of California, Los Angeles:

Primary Outcome Measures:
  • Non-verbal learning [ Time Frame: 14 weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • attention [ Time Frame: 14 weeks ] [ Designated as safety issue: No ]
  • tolerability of medication [ Time Frame: 14 weeks ] [ Designated as safety issue: Yes ]

Estimated Enrollment: 50
Study Start Date: September 2009
Estimated Study Completion Date: March 2013
Estimated Primary Completion Date: March 2013 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Lovastatin
Lovastatin
Drug: Lovastatin Drug: Lovastatin
Lovastatin capsules daily for 14 weeks (titrated up from 10 mg to 40 mg)
Placebo Comparator: Placebo pill
Placebo pill
Drug: placebo pill

  Eligibility

Ages Eligible for Study:   10 Years to 50 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. a diagnosis of NF1 by NIH criteria
  2. between 10 and 50 years of age
  3. no evidence of a comorbid neurological disorder (e.g., epilepsy, encephalitis)
  4. not currently taking a statin medication
  5. not suffering from hypercholesterolemia based on self-report, collateral information from physician, or initial medical workup using National Cholesterol Education Program (NCEP, JAMA 2001), guidelines accepted by the American College of Cardiology (ACC) and the American Heart Association (AHA)
  6. does not have any of the aforementioned conditions that contraindicates use of statin medications (such as pregnancy, lactation, liver disease, or use of other medication not recommended for use in conjunction with lovastatin). A negative pregnancy test will be required if the patient is a female in reproductive years.
  7. not mentally retardation (i.e., IQ greater than 70)
  8. no evidence of significant and habitual alcohol or drug abuse or dependence
  9. sufficient acculturation and fluency in the English language to avoid invalidating research measures of thought, language, and speech disorder, and verbal abilities.
  10. lives in Southern California area (or can arrange ~5 visits to Los Angeles over 14 weeks)

Exclusion Criteria:

  1. comorbid neurological conditions
  2. significant drug or alcohol abuse
  3. non-fluency in English
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00352599

Contacts
Contact: Nicole Enrique, B.A. (310) 825-3458 nenrique@ucla.edu
Contact: Carrie E Bearden, Ph.D. (310) 206-2983 cbearden@mednet.ucla.edu

Locations
United States, California
Semel Institute for Neuroscience and Human Behavior Recruiting
Los Angeles, California, United States, 90095
Contact: Nicole Enrique, B.A.    310-825-3458    nenrique@ucla.edu   
Contact: Carrie Bearden, Ph.D.    310-206-2983    cbearden@mednet.ucla.edu   
Principal Investigator: Carrie E Bearden, Ph.D.         
Sponsors and Collaborators
University of California, Los Angeles
Investigators
Principal Investigator: Carrie E Bearden, PhD University of California, Los Angeles
  More Information

Publications:
Responsible Party: Carrie Bearden, Principal Investigator, University of California, Los Angeles
ClinicalTrials.gov Identifier: NCT00352599     History of Changes
Other Study ID Numbers: 05-08-069-01
Study First Received: July 13, 2006
Last Updated: December 17, 2012
Health Authority: United States: Institutional Review Board

Keywords provided by University of California, Los Angeles:
Neurofibromatosis Type 1
NF1
Lovastatin
statin

Additional relevant MeSH terms:
Neurofibromatoses
Neurofibromatosis 1
Neurofibroma
Nerve Sheath Neoplasms
Neoplasms, Nerve Tissue
Neoplasms by Histologic Type
Neoplasms
Neoplastic Syndromes, Hereditary
Neurocutaneous Syndromes
Nervous System Diseases
Heredodegenerative Disorders, Nervous System
Neurodegenerative Diseases
Genetic Diseases, Inborn
Peripheral Nervous System Diseases
Neuromuscular Diseases
Lovastatin
Anticholesteremic Agents
Hypolipidemic Agents
Antimetabolites
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Lipid Regulating Agents
Therapeutic Uses
Hydroxymethylglutaryl-CoA Reductase Inhibitors
Enzyme Inhibitors

ClinicalTrials.gov processed this record on August 19, 2014