['duchenne muscular dystrophy']
['prednisolone']

        Inclusion Criteria:

          1. Appropriate degree of weakness for age, creatine kinase greater than 20 times the
             upper limit of normal, and genetic mutation known to be causative for Duchenne
             muscular dystrophy .

          2. Appropriate degree of weakness for age, creatine kinase greater than 20 times the
             upper limit of normal and genetic or biopsy confirmation of Duchenne muscular
             dystrophy in a primary relative (e.g. brother or maternal uncle).

          3. De-identified, genetic studies will be reviewed by collaborator Kevin Flanigan, MD
             prior to enrollment of subjects.

          4. Age at entry: one month through 30 months.

        Exclusion Criteria:

          -  Prior treatment with corticosteroids
      