Behavioral: Exercise Training

Inclusion Criteria:

- Definite diagnosis of MS (according to the revised McDonald criteria 2010)

- Expanded Disability Status Scale 3.0 - 6.0

- Age > 21

- Relapsing remitting or secondary progressive MS

- Informed Consent as documented by signature

Exclusion Criteria:

- Contraindications to the class of drugs under study, e.g. known hypersensitivity or
allergy to class of drugs or the investigational product,

- Define drugs not allowed during the study or for specific periods of time prior to the
administration of the test dose,

- Women who are pregnant or breast feeding,

- Intention to become pregnant during the course of the study,

- Lack of safe contraception, defined as: Female participants of childbearing potential,
not using and not willing to continue using a medically reliable method of
contraception for the entire study duration, such as oral, injectable, or implantable
contraceptives, or intrauterine contraceptive devices, or who are not using any other
method considered sufficiently reliable by the investigator in individual cases.

- Female participants who are surgically sterilised / hysterectomised or post-menopausal
for longer than 2 years are not considered as being of child bearing potential.

- Other clinically significant concomitant disease states (e.g., renal failure, hepatic
dysfunction, cardiovascular disease, etc.),

- Known or suspected non-compliance, drug or alcohol abuse,

- Inability to follow the procedures of the study, e.g. due to language problems,
psychological disorders, dementia, etc. of the participant,

- Participation in another study with investigational drug within the 30 days preceding
and during the present study,

- Previous enrolment into the current study,

- Enrolment of the investigator, his/her family members, employees and other dependent
persons