Conditions: Upper Limb Spasticity
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 216
Healthy volunteers: no

Brief summary:
This study will investigate the efficacy and safety of incobotulinumtoxinA (Xeomin) in the treatment of arm tightness (upper limb spasticity) using two different dilutions of incobotulinumtoxinA (Xeomin).

Detailed description:
IncobotulinumtoxinA (Xeomin) is a botulinum toxin type A preparation free of complexing proteins. Injected into a muscle, incobotulinumtoxinA causes a reversible local weakening of the muscle for several months, and may improve an impaired muscle function by lessening the muscle tightness within few days. IncobotulinumtoxinA is widely used for various severe neurological conditions. There is some evidence that the treatment effect may be influenced by the amount of the solvent in which incobotulinumtoxinA is diluted before injection.

Arms:
arm 1: incobotulinumtoxinA (Xeomin, also known as "NT 201" or "Botulinum toxin type A (150 kD), free from complexing proteins")(active ingredient: Clostridium Botulinum neurotoxin Type A free from complexing proteins) powder for solution for injection; Mode of administration: intramuscular injection; The content of the vial was dissolved in 5.0 mL of sterile sodium chloride \[NaCl\] 0.9% solution without preservatives. Dilution with 5.0 mL resulted in a dose of 20 units per 1.0 mL. arm 2: incobotulinumtoxinA (Xeomin, also known as "NT 201" or "Botulinum toxin type A (150 kD), free from complexing proteins")(active ingredient: Clostridium Botulinum neurotoxin Type A free from complexing proteins) powder for solution for injection; Mode of administration: intramuscular injection; The content of the vial was dissolved in 2.0 mL sterile of NaCl 0.9% solution without preservatives. Dilution with 2.0 mL resulted in a dose of 50 units per 1.0 mL.

Interventions: intervention 1: incobotulinumtoxinA (Xeomin, also known as "NT 201" or "Botulinum toxin type A (150 kD), free from complexing proteins")
Intervention descriptions: intervention 1: active ingredient: Clostridium Botulinum neurotoxin Type A free from complexing proteins; powder for solution for injection; Mode of administration: intramuscular injection; The content of the vial was dissolved in 2.0 or 5.0 mL of sterile sodium chloride \[NaCl\] 0.9% solution without preservatives. Dilution with 2.0 or 5.0 mL resulted in a dose of 50 or 20 units per 1.0 mL.

Protocol document: