- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00640614
Clinical Evaluation of T.R.U.E. TEST® : Safety and Efficacy
Clinical Evaluation of T.R.U.E. TEST® Panel 3.2 Allergens: Gold Sodium Thiosulfate, Hydrocortisone-17-Butyrate, Methyldibromoglutaronitrile, Bacitracin, Parthenolide, Disperse Blue 106, and Bronopol
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Primary endpoint:
The performance (efficacy) of each allergen will be evaluated in adult patients with suspected contact dermatitis, and in adult patients with a known or suspected sensitization to at least one of the seven allergens. Performance will be based on:
- Calculated concordance/discordance between T.R.U.E. Test Panel 3.2 allergens and their corresponding petrolatum or aqueous-based allergens.
- Calculated sensitivity and specificity for T.R.U.E. Test Panel 3.2 allergens.
Secondary endpoint:
To evaluate the safety of seven T.R.U.E. Test Panels 3.2 allergens (Gold sodium thiosulfate, Hydrocortisone-17-butyrate, Methyldibromoglutaronitrile, Bacitracin, Parthenolide, Disperse blue 106 and Bronopol) in adult subjects with suspected contact dermatitis ("consecutives"), and/or in adult subjects with a clinical history of contact dermatitis and a current or previous positive patch test to one (or more) of these 7 allergens ("sensitives"). Evaluations will be based on:
- The frequency and characterization of late and/or persistent reactions, tape-induced irritation at the test site, incomplete panel adhesion, and subject-reported sensations of itching or burning during the test period.
- The frequency of adverse events and serious adverse events.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Odense C, Denmark, DK-5000
- Odense University Hospital
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Arkansas
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Little Rock, Arkansas, United States, 72205
- River City Dermatology
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Kansas
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Shawnee Mission, Kansas, United States, 66216
- American Dermatology Associates
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Kentucky
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Louisville, Kentucky, United States, 40202-1864
- Dermatology Specialists PSC
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New York
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Mineola, New York, United States, 11501
- Winthrop University Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Consecutive subjects must report symptoms and/or history consistent with allergic contact dermatitis to at least one of the allergens tested in the study (i.e., subjects are visiting the clinic/physician to diagnose, treat or resolve this condition).
Sensitive subjects must have a positive patch test to one of the following allergens within the past 10 years.
- Gold sodium thiosulfate
- Methyldibromoglutaronitrile (alone or with phenoxyethanol)
- Bacitracin
- Bronopol
- Disperse blue 106 (alone or with Disperse blue 124)
- Parthenolide (or Compositae mix)
- Hydrocortisone-17-butyrate
- All subjects must be adults over 18 years of age, and otherwise in good health.
- Premenopausal female subjects with childbearing potential must consent to a urine pregnancy test; urine test results must be negative for study inclusion.
- Informed consent must be signed and understood by each subject, and consistent with all institutional, local and national regulations.
Exclusion Criteria:
- Subjects unable to meet inclusion requirements.
- Women who are breastfeeding or pregnant.
- Topical corticosteroid treatment during the last 7 days before visit 1 on or near the test area.
- Systemic treatment with corticosteroids or other immunosuppressants during the last 7 days.before visit 1.
- Subjects currently receiving (or received in the 21 days before visit 1) other investigational drugs, treatments or devices, or participating in another clinical study.
- Treatment with ultraviolet (UV) light (including tanning) during the 21 days before visit
- Acute dermatitis outbreak or dermatitis on or near the test area on the back.
- Subjects unable to comply with patch test study requirements including multiple return visits and activity restrictions (e.g., protecting test panels from excess moisture due to showering or vigorous activity).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Sensitives
Subjects with a clinical history and positive patch test (current or previous) to any of the seven allergens.
Subjects must otherwise be healthy and fulfill entry criteria.
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Polyvinylpyrrolidone (PVP; excipient 1) Hydrocortisone-17-butyrate, 0.020 mg/cm2 in PVP Hydroxypropylcellulose (HPC; excipient 2) MDBGN, 0.0055 mg/cm2 in PVP Bacitracin, 0.60 mg/cm2 in HPC Gold sodium thiosulfate, 0.075 mg/cm2 in HPC Parthenolide, 0.0030 mg/cm2 in PVP Disperse Blue 106, 0.050 mg/cm2 in PVP Bronopol, 0.25 mg/cm2 in PVP Test patches, with allergens, are placed at day one and removed 48 hours later. The duration of the study lasts 21 days. However, the subject is only exposed to the study allergens for 48 hours.
Other Names:
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Experimental: Consecutives
Subjects who are being seen for standard allergy patch testing, that are asked to participate in the study.
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Polyvinylpyrrolidone (PVP; excipient 1) Hydrocortisone-17-butyrate, 0.020 mg/cm2 in PVP Hydroxypropylcellulose (HPC; excipient 2) MDBGN, 0.0055 mg/cm2 in PVP Bacitracin, 0.60 mg/cm2 in HPC Gold sodium thiosulfate, 0.075 mg/cm2 in HPC Parthenolide, 0.0030 mg/cm2 in PVP Disperse Blue 106, 0.050 mg/cm2 in PVP Bronopol, 0.25 mg/cm2 in PVP Test patches, with allergens, are placed at day one and removed 48 hours later. The duration of the study lasts 21 days. However, the subject is only exposed to the study allergens for 48 hours.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Diagnostic Performance: Concordance Between Investigational Allergen and Reference Allergen at Day 21
Time Frame: Visit 5: 21 days after patch application
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Concordance: Percentage of subjects who responded positively to T.R.U.E.
Test allergen gold sodium thiosulfate and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Concordance
Time Frame: Visit 5: 21 days after patch application
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Concordance: Percentage of subjects who responded positively to T.R.U.E.
Test allergen hydrocortisone-17-butyrate and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Concordance
Time Frame: Visit 5: 21 days after patch application
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Concordance: Percentage of subjects who responded positively to T.R.U.E.
Test allergen methyldibromo-glutaronitrile and the reference allergen.
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Visit 5: 21 days after patch application
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Diagnostic Performance: Concordance
Time Frame: Visit 5: 21 days after patch application
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Concordance: Percentage of subjects who responded positively to TRUE Test allergen bacitracin and the reference allergen.
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Visit 5: 21 days after patch application
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Diagnostic Performance: Concordance
Time Frame: Visit 5: 21 days after patch application
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Concordance: Percentage of subjects who responded positively to TRUE Test allergen parthenolide and the reference allergen.
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Visit 5: 21 days after patch application
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Diagnostic Performance: Concordance
Time Frame: Visit 5: 21 days after patch application
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Concordance: Percentage of subjects who responded positively to T.R.U.E.
Test allergen disperse blue and the reference allergen.
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Visit 5: 21 days after patch application
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Diagnostic Performance: Concordance
Time Frame: Visit 5: 21 days after patch application
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Concordance: Percentage of subjects who responded positively to T.R.U.E.
Test allergen bronopol and the reference allergen.
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Visit 5: 21 days after patch application
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Diagnostic Performance: Sensitivity and Specificity: Gold Sodium Thiosulfate
Time Frame: Visit 5: 21 days after patch application
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Percentage of subjects with positive (sensitivity) and negative (specificity) results to the investigational allergen and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Sensitivity and Specificity: Hydrocortisone-17-butyrate
Time Frame: Visit 5: 21 days after patch application
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The percentage of subjects with positive (sensitivity) and negative (specificity) results to the investigational allergen and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Sensitivity and Specificity: Methyldibromo-glutaronitrile
Time Frame: Visit 5: 21 days after patch application
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The percentage of subjects with positive (sensitivity) and negative (specificity) results to the investigational allergen and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Sensitivity and Specificity: Bacitracin
Time Frame: Visit 5: 21 days after patch application
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The percentage of subjects with positive (sensitivity) and negative (specificity) results to the investigational allergen and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Sensitivity and Specificity: Parthenolide
Time Frame: Visit 5: 21 days after patch application
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The percentage of subjects with positive (sensitivity) and negative (specificity) results to the investigational allergen and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Sensitivity and Specificity: Disperse Blue
Time Frame: Visit 5: 21 days after patch application
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The percentage of subjects with positive (sensitivity) and negative (specificity) results to the investigational allergen and the reference allergen
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Visit 5: 21 days after patch application
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Diagnostic Performance: Sensitivity and Specificity: Bronopol
Time Frame: Visit 5: 21 days after patch application
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The percentage of subjects with positive (sensitivity) and negative (specificity) results to the investigational allergen and the reference allergen
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Visit 5: 21 days after patch application
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Safety Evaluations: All T.R.U.E. Test Allergens
Time Frame: Day 2: 48 hours after application
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Safety Evaluations: Number of participants who experienced Tape Irritation, Itching or Burning and measure of how well patches adhered to the skin.
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Day 2: 48 hours after application
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Late Reactions: All T.R.U.E. Test Allergens
Time Frame: 7-10 days after patch application
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Number of subjects who exhibited Late Reactions (reactions that occur at 7-10 days after application).
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7-10 days after patch application
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Persistent Reactions: All T.R.U.E. Test Allergens
Time Frame: initially occur 2-4 days after application and last through 7-21days after patch application
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Number of Subjects who exhibited Persistent Reactions (reactions that initially occur at 2-4 days after application and persist through 7-21 days after application)
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initially occur 2-4 days after application and last through 7-21days after patch application
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Luz Fonacier, MD, Winthrop University
- Principal Investigator: Donald V Belsito, MD, American Dermatology Associates
- Principal Investigator: Jerri Hoskyn, MD, Rivery City Dermatology
- Principal Investigator: Sandy Skotnicki-Grant, MD, Bay Dermatology Centre
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Mekos 07 7P3.2 301
- 2008-000168-18 (EudraCT Number)
- WIRB Pr. No.: 20080089 (Other Identifier: Western Institutional Review Board)
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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