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Clinical Trial Summary

We propose an open, prospective, multi-center Phase III study to evaluate the diagnostic performance and safety of seven new T.R.U.E. Test allergens: Gold sodium thiosulfate, Hydrocortisone-17-butyrate, Bacitracin, Parthenolide, Methyldibromoglutaronitrile, Disperse blue 106, and Bronopol.Allergen performance and safety 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.


Clinical Trial 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 Design


Related Conditions & MeSH terms


NCT number NCT00640614
Study type Interventional
Source Allerderm
Contact
Status Completed
Phase Phase 3
Start date April 2008
Completion date October 2009

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