A study of subjects with a known nickel allergy comparing Tacrolimus to placebo, both associated with nickel patches to determine the safety and efficacy of treating Chronic Allergic Contact Dermatitis with Tacrolimus Ointment

Inclusion Criteria:

• Subject has a history of allergy to nickel

Exclusion Criteria:

• Subject is pregnant or lactating
• Subject fails to react to the nickel disks (grade 0), reacts with a questionable (grade 1) or extreme (grade 4) reaction or the subject's reactions on the left and right arms are not of the same grade of intensity
• Subject has a known hypersensitivity to any component of the test medications
• Subject has any other significant dermatological condition that affects >10% of the body surface area or general medical condition that could interfere with the study evaluation
• Subject has any significant medical condition that could compromise immune responsiveness