- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05597995
Treatment of Epidermoid Cysts
A Prospective Clinical Trial Evaluating the Efficacy of 1.5% Sodium Tetradecyl Sulfate Foam Injection for the Treatment of Epidermoid Cysts
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The primary objective is to determine the efficacy of STS foam injection on EIC with an endpoint of clinical resolution and cyst wall destruction on histology.
Enrolled subjects will undergo aspiration of cyst contents through an 18g needle immediately followed by injection of 1.5% STS foam (until the cyst is full and foam is flowing out of the injection site) followed by surgical excision 60 days later. The foam will be created by diluting 3% STS with an equal volume of normal saline then mixing with air in a 1:4 ratio using a female-to-female coupler.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Adults in good general health based on the investigator's judgment and medical history aged 18-80 years old
- Must be willing to sign a photography release and ICF.
- Subject must be willing to undergo study procedures, including STS foam injection and excision with simple closure with an expected linear scar.
- Epidermal inclusion cyst on the skin (not on mucosa or genitals) at least 4 mm in size
- Negative urine pregnancy test at the time of study entry (if applicable)
Females will be either of non-childbearing potential defined as:
- Having no uterus
- No menses for at least 12 months. Or; Female subjects of childbearing potential must agree to use an effective method of birth control during the course of the study. All systemic birth control measures must be in consistent use for at least 30 days prior to study enrollment participation. Acceptable forms of birth control are below:
- Oral contraceptive pill, injection, implant, patch, vaginal ring, intrauterine device
- Intrauterine coil
- Bilateral tubal ligation
- Hysterectomy
- Barrier method used with an additional form of contraception (e.g., sponge, spermicide, or condom)
- Abstinence (If practicing abstinence, must agree to use a barrier method described above (4) If they become sexually active).
- Vasectomized (must agree to use barrier method described above (4) if they become sexually active with an un-vasectomized partner).
Exclusion Criteria:
- Pregnancy or planned pregnancy during the study or currently breastfeeding.
- Previously excised cysts or actively inflamed cysts will not be included in the study.
- Presence of incompletely healed wound in the treatment area.
- Any UNCONTROLLED systemic disease -a potential patient in whom therapy for a systemic disease is not yet stabilized will not be considered for entry into the study.
- Significant history or current evidence of a medical, psychological, or other disorder that, in the investigator's opinion, would preclude enrollment into the study.
- Allergy to STS.
- Active dermatitis, active bacterial, neurologic, fungal, or viral infection in the proposed treatment area.
- Inability to ambulate following the procedure.
- Current participation or participation within 30 days prior to the start of this study in a drug or other investigational research study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment with 1.5% sodium tetradecyl sulfate foam
each subject will have cyst contents aspirated through an 18g needle followed by an injection of 1.5% STS solution foamed 1:4 with air until foam is flowing out of the injection site.
|
subjects epidermoid cysts will be treated with 1.5% sodium tetradecyl sulfate foam
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Investigator Assessment of EIC (Epidermal inclusion cysts) resolution
Time Frame: Day 60
|
Investigator Assessment of EIC (Epidermal inclusion cysts) resolution or recurrence Did the cyst resolve (involution or substantial decrease in size and clinical appearance)? (circle one) Resolved Did not resolve |
Day 60
|
Cyst wall destruction on histologic examination as determined by a board-certified dermatopathologist
Time Frame: Day 60
|
A dermatopathologist will examine the excised cysts to determine if the cyst lining was damaged by injection of STS foam, as demonstrated by the presence of necrotic squamous epithelium.
|
Day 60
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Subject satisfaction rating
Time Frame: Day 60
|
|
Day 60
|
Investigator skin irritation assessment (Draize scale)
Time Frame: Baseline, Day 1, Day 7
|
Investigator skin irritation assessment (Draize scale) Score Erythema Edema 0 No erythema No Edema
|
Baseline, Day 1, Day 7
|
Subject injection site pain assessment on visual analog scale
Time Frame: Baseline, Day 1, Day 7
|
Visual Analog Scale Rate your pain on a scale of 1 to 10 ( circle one) 1 2 3 4 5 6 7 8 9 10 |
Baseline, Day 1, Day 7
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- EIC-STS
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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