Evaluation of the Depth and Duration of Anesthesia From Heated Lidocaine/Tetracaine (Synera®) Patches Compared With 5% Lidocaine (Lidoderm®) Patches Applied to Healthy Adult Volunteers
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
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-
Utah
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Salt Lake City, Utah, United States, 84106
- Lifetree Clinical Research
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion:
- Subject is male or female 18-60 years of age, inclusive.
- Subject is judged by the Investigator to be in generally good health at screening based upon the results of a medical history, physical examination, clinical laboratory profile, and 12-lead electrocardiogram (ECG).
- Subject is willing to refrain from using any local topical preparations on the volar aspect of the forearms for 24 hours prior to each site visit.
- Subject has normal, intact skin bilaterally at the antecubital area.
If female, must be of non-childbearing potential (defined as postmenopausal for at least 1 year or surgically sterile [bilateral tubal ligation, bilateral oophorectomy or hysterectomy]) or must be using adequate contraception (practicing one of the following methods of birth control):
- Total abstinence from sexual intercourse (minimum of one complete menstrual cycle before study entry),
- A vasectomized partner,
- Contraceptives (oral, parenteral, or transdermal) for 3 consecutive months prior to test product administration,
- Intrauterine device (IUD), or
- Double-barrier method (condoms, sponge, diaphragm, or vaginal ring with spermicidal jellies or cream).
- If female, must have a negative urine pregnancy test at Screening and at check-in of each Treatment Period.
- Subject is willing to be blindfolded during the study and agrees to abide by all study restrictions and comply with all study procedures.
- Able to fluently speak and understand English and be able to provide meaningful written informed consent for the study.
Exclusion:
- Subject has clinically significant ECG abnormalities at screening.
- Subject is currently receiving class I, II, or III anti-arrhythmic agents.
- Subject has used over-the-counter (OTC) or prescription analgesics within 24 hours prior to either study period.
- Subject has a known allergy or history of significant adverse reaction to any component of the treatment or related compounds.
- Subject has a history of or active use or abuse of illicit drug substance or alcohol abuse.
- Subject has a positive urine test result for drugs of abuse or a positive ethanol breath test at the Screening Visit or check-in to Treatment Visit 1.
- Subject has active dermatological disease of any origin that may interfere with the ability to participate.
- Subject has denuded or broken skin on either forearm.
- Subject has a history of unstable peripheral/vascular disease and/or hypertensive vascular disease.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Single
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Active Comparator: Synera® for 30min & Lidoderm® for 4 hours
Heated Lidocaine/Tetracaine (Synera®)applied to one forearm for either 30 minutes or 4 hours and a 5% Lidocaine (Lidoderm®) patch applied to the alternate forearm for the alternate time period.
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Other Names:
Other Names:
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Active Comparator: Lidoderm® for 30min & Synera® for 4 hours
Heated Lidocaine/Tetracaine (Synera®)applied to one forearm for either 30 minutes or 4 hours and a 5% Lidocaine (Lidoderm®) patch applied to the alternate forearm for the alternate time period.
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Other Names:
Other Names:
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Depth of Anesthesia measured in mm via insertion of 21-gauge needle into the skin.
Time Frame: Approximately 5 months
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Approximately 5 months
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Duration of Anesthesia measured in sensory presence, absence, and thermal thresholds.
Time Frame: Approximately 5 months
|
Approximately 5 months
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Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Miroslav Backonja, MD, CRI Lifetree
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Sensory System Agents
- Anesthetics
- Membrane Transport Modulators
- Anesthetics, Local
- Voltage-Gated Sodium Channel Blockers
- Sodium Channel Blockers
- Lidocaine
- Tetracaine
Other Study ID Numbers
Other Study ID Numbers
- LCR-07-01-101
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