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Phase 2 N=50 Diagnostic

Clinical Evaluation of T.R.U.E. TEST® Fragrance Mix and Thimerosal Allergens:Bioequivalence of PVP Formulations

Dermatitis, Contact

Enrolled (actual)
50
Serious AEs
2.0%
Results posted
Apr 2018
Primary outcome: Primary: Analysis of Bioequivalence: Concordance — 76; 98.0 percentage of agreement

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
TRUE Test allergens Fragrance Mix and Thimerosol (Biological)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Allerderm
Primary completion
Dec 2008

Outcome Measures

OutcomeResultp-value
PRIMARY
Analysis of Bioequivalence: Concordance
76; 98.0
PRIMARY
Agreement Between TRUE Test Allergen and Reference Allergen
40.9; 59.1; 61.5; 65.4; 92.9; 100
SECONDARY
Irritation, Adhesion, Itching/Burning
28; 24; 20; 46
SECONDARY
Frequency of Late and Persistent Reactions
0; 0; 0; 0; 0; 0

Summary

Open, prospective, multi-center study to evaluate the bioequivalence of povidone (PVP) formulations of 2 T.R.U.E. TEST allergens: fragrance mix and thimerosal.

Eligibility Criteria

Inclusion Criteria

  • Current or previous symptoms and/or history consistent with allergic contact dermatitis, and positive patch test (within the past 5 years) to fragrance mix AND/OR thimerosal.
  • All subjects must be adults (18 years of age or older) and otherwise in good health.
  • Pre-menopausal 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.

Exclusion Criteria

  • 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.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00612768). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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