Clinical Evaluation of T.R.U.E. TEST® Panel 3.2 Allergens: Dose Response

Completed · Phase 2

Conditions studied: Contact Dermatitis

In brief

We propose a prospective, multi-center, double-blind, randomized study comparing the diagnostic performance (primary) and safety (secondary) of 3 concentrations of Disperse blue 106 and 4 concentrations of Bronopol in 40 adult subjects (20 subjects per allergen) with a clinical history of contact dermatitis and a positive patch test (current or previous) to the corresponding reference petrolatum allergen ("sensitives").

Key facts

Study ID

NCT00640250

Run by

Allerderm

People needed

48

Starts

2008-04-01

Expected to finish

2009-09-01

Last updated by the study team

2018-04-09

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Current or previous symptoms and/or history consistent with allergic contact dermatitis, and positive patch test (within the past 5 years) to Bronopol OR Current or previous symptoms and/or history consistent with allergic contact dermatitis, and a positive patch test (within the past 5 years) to Disperse blue 106 or Disperse blue 106/124 allergen mix.
• All subjects must be adults (18 years of age or older) and otherwise in good health.
• Premenopausal female subjects must consent to a urine pregnancy 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.

You may not qualify if…

• Subjects unable to meet inclusion requirements.
• Women who are breastfeeding or pregnant.
• Topical treatment during the last 7 days with corticosteroids or other immunosuppressive agents on or near the test area.
• Systemic treatment during the last 7 days with corticosteroids (equivalent to > 10 mg prednisone) or other immunosuppressive agents.
• Treatment with ultraviolet (UV) light (including tanning) during the previous 3 weeks.
• 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).
• Subject participation in clinical trials of investigational drugs, treatments or devices other than T.R.U.E. Test during this study or 3 weeks prior to inclusion in this study.

Where it is running

• Dermatology Specialists PSC — Louisville, Kentucky, United States
• Odense University Hospital — Odense C, Denmark

Full record on ClinicalTrials.gov

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