New study checks safety of neck spasm injection in 500 patients

NCT ID NCT00702754

First seen May 15, 2026 ยท Last updated May 15, 2026

Summary

This study looked at the safety of MYOBLOC, a botulinum toxin type B injection, in 502 adults with cervical dystonia (neck muscle spasms). Participants received the injection and were monitored for about 12 weeks. The goal was to see how well the body tolerated the treatment and whether it triggered an immune response.

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