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BMC Neurol. 2013 Sep 8;13:118. doi: 10.1186/1471-2377-13-118.

OnabotulinumtoxinA muscle injection patterns in adult spasticity: a systematic literature review.

Author information

1
Epidemiology & Database Analytics, United BioSource Corporation, Lexington, MA, USA. lnalysnyk@aol.com.

Abstract

BACKGROUND:

OnabotulinumtoxinA has demonstrated significant benefit in adult focal spasticity. This study reviews the injection patterns (i.e., muscle distribution, dosing) of onabotulinumtoxinA for treatment of adult spasticity, as reported in published studies.

METHODS:

A systematic review of clinical trials and observational studies published between 1990 and 2011 reporting data on muscles injected with onabotulinumtoxinA in adult patients treated for any cause of spasticity.

RESULTS:

28 randomized, 5 nonrandomized, and 37 single-arm studies evaluating 2,163 adult patients were included. The most frequently injected upper-limb muscles were flexor carpi radialis (64.0% of patients), flexor carpi ulnaris (59.1%), flexor digitorum superficialis (57.2%), flexor digitorum profundus (52.5%), and biceps brachii (38.8%). The most frequently injected lower-limb muscles were the gastrocnemius (66.1% of patients), soleus (54.7%), and tibialis posterior (50.5%). The overall dose range reported was 5-200 U for upper-limb muscles and 10-400 U for lower-limb muscles.

CONCLUSIONS:

The reviewed evidence indicates that the muscles most frequently injected with onabotulinumtoxinA in adults with spasticity were the wrist, elbow, and finger flexors and the ankle plantar flexors. OnabotulinumtoxinA was injected over a broad range of doses per muscle among the studies included in this review, but individual practitioners should be mindful of local regulatory approvals and regulations.

PMID:
24011236
PMCID:
PMC3848723
DOI:
10.1186/1471-2377-13-118
[Indexed for MEDLINE]
Free PMC Article

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