Clinical trial NCT00661453: CARNIVAL Type I: Valproic Acid and Carnitine in Infants With Spinal Muscular Atrophy (SMA) Type I
Official title: Phase I/II Trial of Valproic Acid and Carnitine in Infants With Spinal Muscular Atrophy Type I (CARNI-VAL Type I)
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE1
PHASE2
Conditions: Spinal Muscular Atrophy Type I
Keywords: Spinal Muscular Atrophy
SMA
Valproic Acid
Lead sponsor: University of Utah
Sponsor class: OTHER
Collaborators: name: Families of Spinal Muscular Atrophy
name: Leadiant Biosciences, Inc.
First posted: 2008-04-18
Enrollment: 40
Sex: ALL
Minimum age (years): 2
Maximum age (years): 12
Standard ages: CHILD
Accepts healthy volunteers: no
Allocation: NA
Intervention model: SINGLE_GROUP
Primary purpose: TREATMENT

Brief summary: This is a multi-center trial to test safety and evaluate early treatment intervention with valproic acid and carnitine in moderating SMA symptoms of Type I infants.

Detailed description: Spinal muscular atrophy (SMA) is a genetic disorder that results in severe muscle weakness. It is one of the most common conditions causing muscle weakness in children. Patients with SMA most often develop weakness as babies or young children. Most people with SMA gradually lose muscle strength and abilities over time. Babies with the severe infantile form of SMA, SMA type I, usually lose abilities and strength quickly over a few weeks or months.

Valproic acid (VPA) is a medicine that has been used for many years to treat patients with epilepsy. Recent research suggests that VPA may be able to upregulate expression of a backup copy of the SMN gene in SMA patient cell lines. In addition, some preliminary data suggests it may prolong survival in animal models of SMA. Because VPA can deplete carnitine in children with SMA Type I, carnitine is added to help prevent possible toxicity.

In this multi-center trial, we will evaluate the effects of VPA/carnitine on infants with SMA type I. A variety of outcome measures, including assessment of safety, will be performed at each study visit to follow the course of the disease. The protocol includes two baseline visits over a period of two weeks, two clinical assessments on medication at 3 and 6 months, and then 6 months additional followup via telephone. Total duration of the study will be approximately 12 months.

Eligibility criteria: Inclusion Criteria:

* Laboratory documentation of SMN mutation/deletion consistent with a genetic diagnosis of SMA
* Clinical diagnosis of SMA type I
* Age 2 weeks to 12 months
* Written informed consent of parents/guardian

Exclusion Criteria:

* Any clinical or laboratory evidence of hepatic or pancreatic insufficiency.
* Laboratory results drawn within 14 days prior to start of study drug demonstrating:

Liver transaminases (AST, ALT), lipase, amylase: \> 1.5 x ULN White Blood Cell Count: \< 3 Neutropenia: \<1 Platelet: \<100K Hematocrit: \<30, persisting over a 30-day period

* Serious illness requiring systemic treatment and/or hospitalization within two weeks prior to study entry.
* Use of medications or supplements within 30 days of study enrollment that interfere with VPA or carnitine metabolism; that increase the potential risks of VPA or carnitine; or that are hypothesized to have a beneficial effect in SMA animal models or human neuromuscular disorders, including riluzole, valproic acid, hydroxyurea, oral use of albuterol, sodium phenylbutyrate, butyrate derivatives, creatinine, growth hormone, anabolic steroids, probenecid, oral or parenteral use of corticosteroids at entry, or agents anticipated to increase or decrease muscle strength or agents with presumed histone deacetylase (HDAC) inhibition.
* Infants who have participated in a treatment trial for SMA within 30 days of study entry or who will become enrollees in any other treatment trial during the course of this study.
* Unwillingness to travel for study assessments.
* Coexisting medical conditions that contradict use of VPA/carnitine or travel to and from study site.

Primary outcomes:
measure: Laboratory Safety Data
timeFrame: -2 weeks, + 2 weeks, 3 months, 6 months
measure: Anthropometric Measures of Nutritional Status (Body Mass Index [BMI] Z-scores, Weight for Length Ratios, Lean/Fat Mass Via DEXA, Growth Parameters, and Triceps Skinfold Measures)
timeFrame: -2 weeks, time 0, 3 months, 6 months
Secondary outcomes:
measure: Time to Death or Ventilator Dependence (Defined as >16 Hours/Day)
timeFrame: monthly
measure: Primary Caregiver Functional Rating Scale for SMA Type I Subjects (PCFRS)
timeFrame: time 0, and monthly for 12 months
measure: Functional Motor Assessments: TIMPSI Scores
timeFrame: -2 weeks, time 0, 3 months, 6 months
measure: Quantitative SMN mRNA and Protein Measures
timeFrame: -2 weeks, time 0 , 3 months, or 6 months
measure: Maximum Ulnar CMAP Amplitude/Area and MUNE
timeFrame: -2 weeks, time 0, 3 months, 6 months
measure: Whole Body DEXA Scanning for Lean Body Mass and Total Bone Mineral Density/ Content
timeFrame: -2 weeks or time 0, 3 months, 6 months
Other outcomes:
Locations:
city: Baltimore
country: United States
facility: Johns Hopkins University
state: Maryland
city: Detroit
country: United States
facility: Children's Hospital of Michigan
state: Michigan
city: Durham
country: United States
facility: Duke University Medical Center
state: North Carolina
city: Columbus
country: United States
facility: Ohio State University Medical Center, Dept. of Neurology
state: Ohio
city: Salt Lake City
country: United States
facility: University of Utah/Primary Children's Medical Center
state: Utah
city: Madison
country: United States
facility: University of Wisconsin Children's Hospital
state: Wisconsin
city: Montreal
country: Canada
facility: Hospital Sainte-Justine
state: Quebec
city: Cologne
country: Germany
facility: Klinikum der Universität zu Köln
Study officials:
affiliation: University of Utah
name: Kathryn Swoboda, M.D.
role: PRINCIPAL_INVESTIGATOR
affiliation: Families of Spinal Muscular Atrophy
name: Sandra P Reyna, M.D.
role: STUDY_DIRECTOR
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