Product Safety
Safety Assessment in Korea
A six years (2002-2008) continuous safety monitoring of BTXA application was carried out in South Korea [1]. Total 659 cases with blepharospasm, hemifacial spasm and strabismus were studied and the safety of BTXA application was evaluated. The respective Periodic Safety Update Report (PSUR) was also submitted to Korean FDA .
- Only 2.58% of patients (17 out of 659) reported have Adverse Events (AE); Overall AE rate is low
- No serious AE or systemic side effects were reported
- All AE cases recovered in 1-4 weeks
Safety Assessment in Brazil
Another post marketing surveillance was carried in Brazil during 2003 to 2008. About 300,000 cases have been treated with BTXA .Based on the collected data, less than 1% of cases reported had adverse events which was perfectly within the expected range from international literature.

- Data on file [BTXA Inj. Post Marketing Surveillance Study with Case Report (BTXA INJ. Clostridium Botulinum A Toxin), 28 August 2008], Hugh Source (Int'l) Ltd.
- Data on file [(Drug Safety Report, Prosigne® (Botulinum Toxin Type A), January 2009)],Hugh Source (Int'l) Ltd.