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Differences in antibody responses of intradermal and intramuscular injections of botulinum toxin type A

Differences in antibody responses of intradermal and intramuscular injections of botulinum toxin type A

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20211215001
Enrollment
120
Registered
2021-12-15
Start date
2019-09-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy human volunteers Enzyme-Linked Immunosorbent Assay, Botulinum Toxins, Immunoglobulins, Antibodies

Interventions

Intradermal injection of botulinum toxin for 50 units into the subjects&#039
upper face for wrinkle reduction purposes. The blood will be drawn from the subject before botulinum toxin injection and 2 weeks, 1 month, 3 months, and 6 months after botulinum toxin injection. The b
masseter. The blood will be drawn from the subject before botulinum toxin injection and 2 weeks, 1 month, 3 months, and 6 months after botulinum toxin injection. The blood will be examined the level o
Active Comparator Drug,Active Comparator Drug

Sponsors

Dermatologic Surgery, Dermatology department, Siriraj hospital, Thailand
Lead Sponsor
Merz Aesthetics Thailand,Galderma Thailand,Daewong Thailand,Hugel,inc,Aestec pharma
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Healthy male or female volunteers age 18-60 years, 2. No history of botulinum toxin treatment failure, 3. No history of immunodeficiency disease or taking any immunosuppressive drug,

Exclusion criteria

Exclusion criteria: 1. pregnant or lactating woman, 2. Was treated with botulinum toxin during 6 months prior, 3. Having the skin disease around the treated area

Design outcomes

Primary

MeasureTime frame
Botulinum toxin antibody Before and 14 days, 1 month, 3 months, 6 months after the intervention Level of botulinum toxin antibody by ELISA test,Neutralizing antibody against botulinum toxin Before and 14 days, 1 month, 3 months, 6 months after the intervention Percentage of neutralizing antibody by ELISA test

Secondary

MeasureTime frame
Antibody against complexing protein of botulinum toxin Before and 14 days, 1 month, 3 months, 6 months after the intervention Percentage of antibody against complexing protein of botulinum toxin by ELISA test

Countries

Thailand

Contacts

Public ContactSurachet Sirisuthivoranunt

Dermatology department

siri.surachet@gmail.com024199933

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026