NCT05517538

Brief Summary

The aim of this study was to compare between the conventional palpation method of botulinum toxin type A injection and the electromyography-guided method using clinical parameters and electromyography analysis.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
15

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Aug 2021

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 9, 2021

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 2, 2021

Completed
13 days until next milestone

Study Completion

Last participant's last visit for all outcomes

December 15, 2021

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

August 23, 2022

Completed
3 days until next milestone

First Posted

Study publicly available on registry

August 26, 2022

Completed
Last Updated

August 26, 2022

Status Verified

August 1, 2022

Enrollment Period

4 months

First QC Date

August 23, 2022

Last Update Submit

August 24, 2022

Conditions

Keywords

Botulinum ToxinEMG-Guided Botulimun toxin injectionCosmetic Botulinum toxinGlabellar Merz Scale

Outcome Measures

Primary Outcomes (2)

  • Interferance pattern Envelop amplitude (IPEA)

    difference between + and - spikes in the EMG waveform \[microvolt\]

    3 months

  • Muscle activity percentage (MAp)

    percentage difference between the IPEA at follow up and base line \[%\]

    3 months

Secondary Outcomes (1)

  • Glabellar Merz scales

    3 months

Study Arms (2)

Palpation-guided

EXPERIMENTAL

injected with the Palpation Method of neurotoxin adminstration

Drug: Botulinum toxin type A

EMG-guided

EXPERIMENTAL

injected with the EMG-guided Method of neurotoxin adminstration

Device: Electromyography-Needle Intramuscular Drug guidanceDrug: Botulinum toxin type A

Interventions

EMG-guided needle neurotoxin injection

Also known as: Electromyography-guided injection
EMG-guided

Botulinum toxin type A injection into the Corrugator Supercilii muscle

Also known as: Botulinum neurotoxin, BoNT - A, BTX - A
EMG-guidedPalpation-guided

Eligibility Criteria

Age25 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Consent.
  • Patients within age range of 25 - 60 years.
  • Visible corrugator muscle rhytids when frowning by examination.

You may not qualify if:

  • Patients with no, or minimal wrinkles on the studied area.
  • Previous use of botulinum toxin in the previous 6 months.
  • Patients on regular or very occasional antispasmodics.
  • Patients with any neuromuscular disorders, infections or skin problems at the injection site.
  • Patients with any known neurological disease.
  • Patients who undergone surgery involving the glabellar area.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Faculty of medicine

Alexandria, Egypt

Location

MeSH Terms

Conditions

Facial Expression

Interventions

Botulinum Toxins, Type ABotulinum ToxinsincobotulinumtoxinA

Condition Hierarchy (Ancestors)

Nonverbal CommunicationCommunicationBehavior

Intervention Hierarchy (Ancestors)

MetalloendopeptidasesEndopeptidasesPeptide HydrolasesHydrolasesEnzymesEnzymes and CoenzymesMetalloproteasesBacterial ProteinsProteinsAmino Acids, Peptides, and ProteinsBacterial ToxinsToxins, BiologicalBiological Factors

Study Officials

  • Mohamed H Oleish, MB BCh

    University of Alexandria

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Split-Face: comparing two neurotoxin injection techniques, conventional palpation vs. EMG-guided injection. Follow up using EMG analysis and Glabellar Merz Scales
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Masters Student

Study Record Dates

First Submitted

August 23, 2022

First Posted

August 26, 2022

Study Start

August 9, 2021

Primary Completion

December 2, 2021

Study Completion

December 15, 2021

Last Updated

August 26, 2022

Record last verified: 2022-08

Data Sharing

IPD Sharing
Will not share

Locations