Study to Assess the Efficacy and Safety of Dysport® in the Treatment of Chronic Plantar Fasciitis

Double-blind, Placebo-controlled, Randomised, Multicentre Study on the Efficacy and Safety of a Single Injection of Botulinum Toxin A (200 Units Dysport®) in the Treatment of Chronic Plantar Fasciitis

This study will investigate the hypothesis that the analgesic effect of a single injection of Dysport (200 MU) induces a significant reduction of symptoms in chronic cases of plantar fasciitis.

Inclusion Criteria:

• Chronic plantar fasciitis (duration of disorder at least 4 months)
• At least 4 points on the visual analogue scale (0-10) for the most severe pain within the last 48 hours
• At least 2 previous unsuccessful conservative therapies
• Age 18 and older

Exclusion Criteria:

• Rheumatoid diseases (M. Bechterew, chronic polyarthritis, psoriasis-arthritis, para /post-infectious arthritis etc.)
• Previous surgery in the affected area of the foot
• Pre-treatment with Botulinum toxin A (only de novo patients)
• Prohibited concomitant treatment: local injections during the study and 2 weeks prior to start of study