Efficacy of Clean Intermittent Catheterization (CIC) in Multiple Sclerosis (MS) Patients With Bladder Dysfunction

Inclusion Criteria: * Provision of informed consent * Male and female patients aged 18 years and over * MS patients that are already currently treated or eligible for treatment with anticholinergic drugs * Patient with previously confirmed multiple sclerosis according to McDonald Criteria and level of disability less than 6.5 on the Kutzke scale and have been stable for 6 months * The patient has all or any bladder symptoms; urgency, frequency, incontinence, nocturia, PVR * The patient has Frequency symptoms \> 8 voiding per 24 h * The patient has PVR \> 50 ml, measured at two repetitive bladder scan measurements during the screening phase as well as the randomization visit * Adequate mobility to lower limbs, sufficient hand function and ability to practice CIC at least three times daily Exclusion Criteria: * Pregnancy * Ongoing symptomatic Urinary Tract Infection (UTI) as judged by investigator * Involvement in the planning and conduct of the study (applies to both Astra Tech staff or staff at the study site) * The patient practices CIC prior the study * The patient has undergone a sphincterectomy * Progressive "Relapsing- remitting MS" as judged by the investigator * Severe non-compliance to protocol as judged by the investigator and/or Astra Tech * The patient is participating in other study that might have an impact on the outcome of this, as judged by investigator * PVR \> 250 ml, measured at two repetitive bladder scan measurements during the screening phase as well as the randomization visit and or if Bladder Voiding Efficiency (BVE) at visit 2 (randomization) is 50% or less than visit 1 (screening)