Dysport in Hallux Abducto Valgus (HAV) Phase IIa

The NPRS is a widely used and validated unidimensional measure of pain intensity in adults. Participants were asked to rate the intensity of their foot pain during physical activity (example, walking, standing or running) based on an 11-point scale ranging from 0 to 10, where 0 represents "no pain" and 10 represents "worst possible pain". Higher scores indicate a worse outcome. Daily pain intensities were recorded by the participant using an eDiary for 7 consecutive days prior to each study visit. Baseline was defined as the daily NPRS score averaged over the 7 consecutive days prior to the Baseline visit (Day 1).

The foot function index (FFI) was developed to assess foot-related pain, disability and activity limitations and later revised to include foot-related health and quality of life. A modified version of FFI specific to this study was used. The mFFI consists of a total of 21 items grouped into 3 subscales: pain (7 questions), disability (9 questions) and activity limitation (5 questions). The mFFI disability subscale is rated using numeric rating scale ranging from 0 to 10, where 0 represents "no difficulty" and 10 represents "so difficult unable to do". For each item, the participant was asked to record the number value which best corresponded to effect of the foot complaints. To obtain a subscale score, the item scores for a given subscale (i.e., pain, disability or activity limitation subscales) were totaled and divided by maximum total possible and then multiplied by 100. Each subscale score, as well as the total score, ranged from 0 to 100. Higher scores indicate a worse outcome.

The FFI was developed to assess foot-related pain, disability and activity limitations and later revised to include foot-related health and quality of life. A modified version of the FFI specific to this study was used. The mFFI consists of a total of 21 items grouped into 3 subscales: pain (7 questions), disability (9 questions) and activity limitation (5 questions). The mFFI pain subscale is rated using numeric rating scale ranging from 0 to 10, where 0 represents "no pain" and 10 represents "worst pain imaginable". For each item, the participant was asked to record the number value which best corresponded to the effect of the foot complaints. To obtain a subscale score, the item scores for a given subscale (i.e., pain, disability or activity limitation subscales) were totaled and divided by the maximum total possible and then multiplied by 100. Each subscale score, as well as the total score, ranged from 0 to 100. Higher scores indicate a worse outcome.

The FFI was developed to assess foot-related pain, disability and activity limitations and later revised to include foot-related health and quality of life. A modified version of the FFI specific to this study was used. The mFFI consists of a total of 21 items grouped into three subscales: pain (7 questions), disability (9 questions) and activity limitation (5 questions). The mFFI items are rated using numeric rating scales ranging from 0 to 10, where 0 represents "no pain/no difficulty/none of the time" and 10 represents "worst pain imaginable/so difficult unable to do/all of the time" for pain, disability and activity limitation subscales, respectively. For each item, the participant was asked to record the number value which best corresponded to the effect of the foot complaints. To obtain a total score, the scores of all 3 subscales were totaled and divided by 3. Each subscale score, as well as the total score, ranged from 0 to 100. Higher scores indicate a worse outcome.

The FFI was developed to assess foot-related pain, disability and activity limitations and later revised to include foot-related health and quality of life. A modified version of the FFI specific to this study was used. The mFFI consists of a total of 21 items grouped into 3 subscales: pain (7 questions), disability (9 questions) and activity limitation (5 questions). The mFFI activity limitation subscale is rated using numeric rating scale ranging from 0 to 10, where 0 represents "none of the time" and 10 represents "all of the time". For each item, the participant was asked to record the number value which best corresponded to the effect of the foot complaints. To obtain a subscale score, the item scores for a given subscale (i.e., pain, disability or activity limitation subscales) were totaled and divided by the maximum total possible and then multiplied by 100. Each subscale score, as well as the total score, ranged from 0 to 100. Higher scores indicate a worse outcome.

The HV angle was measured directly on weight-bearing anteriorposterior radiographs, in which the X-ray beam was angled 15° towards the heel centered on the second tarsometatarsal joint with a source to image-receptor distance of 100 centimeters (cm).

The intermetatarsal angle was measured directly on weight-bearing anteriorposterior radiographs, in which the X-ray beam was angled 15° towards the heel centered on the second tarsometatarsal joint with a source to image-receptor distance of 100 cm.

Time to retreatment was calculated as ([Date of retreatment - previous injection date] + 1) / 7 (week). Time to retreatment was calculated for each cycle and the data presented here for the double-blind treatment period.

An assessment of PGI-S of foot pain was conducted by the participant using a 4-point Likert scale ranging from 0= no pain to 3= severe pain. Higher scores indicate a worse outcome. The PGI-S was assessed by the participant by answering the following question: "How severe was your foot pain while performing physical activities (example, standing, walking or running) over the past week?" (0=no pain; 1=mild pain; 2=moderate pain; 3=severe pain).

An assessment of PGI-S of disability was conducted by the participant using a 4-point Likert scale ranging from 0= no disability to 3= severe disability. Higher scores indicate a worse outcome. The PGI-S was assessed by the participant by answering the following question: "How severe was your disability while performing physical activities (example, standing, walking or running) over the past week?" (0=no disability; 1=mild disability; 2=moderate disability; 3=severe disability).

An assessment of PGI-I of foot pain was conducted by the participant using a 7-point Likert scale ranging from -3= very much worse to +3= very much improved. Higher scores indicate a better outcome. The PGI-I was assessed by the participant answering the following question: "Compared to your foot pain prior to the study treatment initiation, your foot pain while performing physical activities (example, standing, walking or running) now is: +3=very much improved; +2=much improved; +1=minimally improved; 0=no change; -1=minimally worse; -2=much worse; -3=very much worse".

An assessment of PGI-I of the participant's disability was conducted by the participant using a 7-point Likert scale ranging from -3= very much worse to +3= very much improved. Higher scores indicate a better outcome. The PGI-I was assessed by the participant answering the following question: "Compared to your disability prior to the study treatment initiation, your disability while performing physical activities (example, standing, walking or running) now is: +3=very much improved; +2=much improved; +1=minimally improved; 0=no change; -1=minimally worse; -2=much worse; -3=very much worse".

The SF-36 is a 36-item questionnaire which measures the extent to which physical health impacts an individual's functional ability and perceived wellbeing in mental, social, and physical aspects of life. The SF-36 has 8 subscales: physical function, role physical, bodily pain, global health, vitality, social function, role emotional and mental health. Each scale ranges from 0-100, where 0= lowest level of health and 100= highest level of health. Scores on these subscales can be aggregated into the physical component summary (physical function, role physical, bodily pain and global health) and mental component summary (mental health, vitality, social function and role emotional). Physical component summary score ranges from 0.65 to 80.73 and mental component summary score ranges from -8.81 to 81.65, where low score indicates lowest level of health and high score indicates highest level of health. Positive change from Baseline indicates an improvement in quality of life.