Clinical Trials

Inclusion Criteria

• Children are eligible for this study as cases or controls if they are eligible for and enrolled in the Environmental and Genetic Risk Factors for Pediatric Multiple Sclerosis study

Exclusion Criteria

• Patients are not eligible for study participation if
  • Antibiotics or probiotics have been used within 60 days prior to enrollment
  • Steroids have been used within 45 days prior to enrollment
  • Ongoing treatment includes any disease-modifying therapy other than glatiramer acetate or interferon
  • Disease-modifying therapy treatment agent has changed (including new agent or discontinuation) 90 days or less prior to enrollment
  • Children are not eligible to participate as pediatric controls if:
    • They are 21 years of age or older
    • Antibiotic or probiotics have been used within 60 days prior to enrollment
    • Steroids have been used within 45 days prior to enrollment