
    based on efficacy results from interim analysis
  
['pain', 'cerebral palsy, spastic']
['dysport®', 'normal saline']

        Inclusion Criteria:

          -  Age ≥ 18 years.

          -  Spastic Cerebral Palsy.

          -  Chronic pain, related to spastic muscle. Chronic pain defined as: 1)Recurring regional
             pain for at least three months AND 2)Pain intensity on average for the last 24 hours
             ≥3 on Numerical Rating Scale.

          -  Signed Informed consent.

        Exclusion Criteria:

          -  Allergy/hypersensitivity to Dysport® or any of its components.

          -  Pregnancy.

          -  Women who breastfeed their children.

          -  Treatment with Botulinum toxin-A within the last five months.

          -  If there has been dose changes in any muscle-tone altering medication within two weeks
             of Visit 1.

          -  A clear degenerative cause behind the pain as elucidated by the clinical examination
             (e.g. history of osteoarthritis).

          -  Intellectual disability and/or communication impairment that disable the individual
             from answering the questionnaires and giving informed consent.
      