CompletedNot Applicable

Muscle Weakness Duration After Single Botulinum Toxin Injection in Masseter

Sweden32 participantsStarted 2020-03-01

Plain-language summary

This study aimed to evaluate the duration of a reduced maximal voluntary bite force after a botulinum toxin intervention. Methods: In an intervention group, 25 units of Xeomin® (Merz Pharma GmbH \& Co KGaA, Frankfurt am Main, Germany) botulinum neurotoxin type A were injected into the masseter muscles bilaterally (to a total of 50 units).

Who can participate

Age range18 Years – 120 Years

SexFEMALE

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Inclusion Criteria: Healthy subjects seeking aesthetical treatment to reduce masseter muscle volume. Exclusion Criteria: Conditions or drugs affecting the central nervous system.

What they're measuring

Change of bite force

Timeframe: Baseline, 4 weeks, 3 months, 6 months, 12 months.

Trial details

NCT IDNCT05309564

SponsorRegion Västerbotten

Sponsor typeOTHER_GOV

Study typeINTERVENTIONAL

Primary completion2022-01-10

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