Multiple Sclerosis, Relapsing-Remitting

Inclusion Criteria

Diagnosis of RRMS as defined by any of the following McDonald diagnostic criteria (McDonald et al 2001; see Appendix 16.1.1 [(Protocol Appendix 5]):
 - Two relapses and objective clinical evidence (history or present) of at least 2 lesions
 - Two relapses and objective clinical evidence (history or present) of 1 lesion; and dissemination in space, demonstrated by MRI (Barkhof/Tintoré criteria) or 2 MRI T2 lesions consistent with MS plus positive CSF
 - One relapse with objective clinical evidence (history or present) of at least 2 lesions, and dissemination in time, demonstrated signs of disease activity ( new Gd+ lesion or new T2 lesion) in an MRI scan at least 3 months after the onset of that clinical event
 - One relapse and objective clinical evidence (history or present) of 1 lesion, and dissemination in space, demonstrated by MRI (Barkhof/Tintoré criteria); or 2 MRI T2 lesions consistent with MS plus positive CSF, and dissemination in time, demonstrated by signs of disease activity (new Gd+ lesion or new T2 lesion) in an MRI scan at least 3 months after the onset of that clinical event
 -- 18 to 55 years of age
 -- Score of 0-5.5 on the Kurtzke Expanded Disability Status Scale' (EDSS; see Appendix 16.1.1 [Protocol Appendix 4])
 -- Naïve to immunomodulating therapies or previously treated with immunomodulating therapies other than any interferon (IFN) more than 30 days prior to the start of the study
 -- If female of child-bearing potential, agreement to practice adequate contraception methods (IUCD, condoms, oral contraceptives, or other adequate barrier contraception)
 -- Negative serum pregnancy test results
 -- Signed and dated statement of informed consent

Exclusion Criteria

- Clinically significant heart disease such as uncontrolled cardiac dysrhythmia, angina pectoris, cardiomyopathy, or congestive heart failure
 - History of severe depression, suicide attempts, or current suicidal ideations
 - Clinically significant liver, renal, and bone marrow dysfunction as defined by any of the following laboratory evaluations:
 - bone marrow dysfunction:
 -- Hb <8.5 g/dl
 -- WBC <2.5 x 109/L
 -- platelet count <125 x 109/L
 - renal dysfunction: creatinine >1.8 mg/dL
 - liver dysfunction:
 -- ASAT (SGOT) >3xupper limit of normal
 -- bilirubin >2x upper limit of normal
 - Epilepsy not adequately controlled by treatment
 - Any conditions that could interfere with the MRI or any other evaluation in the study
 - Known allergy to human proteins including albumin and IFN, or to mannitol or gadolinium
 - Participation in any clinical study within the past 30 days or use/intake of an investigational drug within the last 3 months prior to study entry
 - Prior treatment with monoclonal antibody therapy, cladribine or total lymphoid irradiation
 - Treatment with cytotoxic or immunosuppressive therapies (except systemic steroid or adrenocorticotropic hormone [ACTH]) within 6 months prior to study entry; or systemic steroid or ACTH within 1 month prior to study entry
 - Presence of monoclonal gammopathy
 - Inability to tolerate both NSAIDs and acetaminophen
 - Pregnancy or lactation
 - History of alcohol or drug abuse
 - Inability to administer subcutaneous injections either by self or by caregiver
 - Medical, psychiatric or other conditions that compromise the patient's ability to give informed consent, to understand the patient information, to comply with the study protocol, or to complete the study