Multiple Sclerosis, Multiple Sclerosis, Relapsing-Remitting

- Have no cognitive impairment that may prevent patient from completing questionnaires, as assessed by examining physicians during screening
- Diagnosis of early (<1 year since onset) RRMS, or a first clinical episode suggestive of demyelinating disease (not explained by other conditions) within the last 90 days prior to screening
- Presence of at least 2 typical MS lesions by brain MRI
- Kurtzke Expanded Disability Status Scale (EDSS) score of 0 - 4.0
- Willing to enroll into the MS Pathways support program and by doing so agree to be trained, and have follow-up phone calls, by a B.E.T.A. nurse

- Any disease other than multiple sclerosis that would better explain the patient's neurological signs and symptoms
- Complete transverse myelitis or simultaneous onset of optic neuritis
- Diagnosis of Primary progressive MS, secondary Progressive MS, relapsing progressive MS or a diagnosis of relapsing remitting MS for greater than 12 months
- Clinically significant heart disease such as uncontrolled cardiac dysrhythmias, uncontrolled angina pectoris, cardiomyopathy, or uncontrolled heart failure
- History of severe, uncontrolled, or untreated depression, attempted suicide or suicidal ideation
- Uncontrolled seizure disorder
- History or hypergammaglobulinemia
- Known hypersensitivity to IFNB-1b or other human proteins including albumin
- Known allergy to Gadolinium-DTPA documented prior to study entry
- Known general hypersensitivity to all analgesic / antiinflammatory agents (NSAIDs)
- Participation in any MS clinical study within the past six months
- Pre-treatment with any of the following substances prior to study enrollment within said time period:
 -- At any time: any IFN, glatiramer acetate (Copaxone), total lymphoid irradiation, anti-lymphocyte monoclonal antibody treatment (i.e. anti-CD4, anti-CD52 (alemtuzumab), anti-VLA4 (natalizumab), mitoxantrone, cyclophosphamide, azathioprine, IVIG, cyclosporine A, methotrexate, or any other immunomodulating or immunosuppressive agent including other recombinant or non-recombinant cytokines
 -- 3 months prior to study entry: any other treatment known to be used for putative or experimental MS treatment. Any presumed immunomodulating agent (e.g. statins) not described in this protocol
- History of alcohol or substance abuse (within the past 5 years)
- Inability or unwillingness to administer subcutaneous injections either by self or by caregiver
- Clinically significant hepatic, renal, or bone marrow dysfunction as defined by any of the following laboratory evaluations:
 -- Hepatic dysfunction: AST (SGOT) > 3x the upper limit of normal or total bilirubin > 2x upper limit of normal
 -- Renal dysfunction: creatinine > 1.8 mg/dl
 -- Bone marrow dysfunction: Hb < 8.5 g/dl, WBC < 2.5x10^9/L, or platelet count < 125x10^9/L
- Patients participating in the exploratory substudy should be excluded if they meet any of the following:
 -- Known history of chronic glaucoma, ocular hypertension, ischemic optic neuropathy, temporal arteritis, pseudopapilledema, retinitis pigmentosa, traumatic optic neuropathy, toxic optic neuropathy, pernicious anemia, or Leber's hereditary optic neuritis