Study of patch test allergens

Multi center study of patch test allergens by the Japanese Contact Dermatitis Research Group

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs041210060

Enrollment

8000

Registered

2021-08-30

Start date

2021-08-30

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Allergic contact dermatitis Contact dermatitis

Interventions

Patch testing with allergen (unapproved in Japan) to the patient of suspected contact dermatitis.

D010328

Patch test allergen

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patient has skin disorder induced by any substances and products applied or contacted to the skin. 2) Patient who is willing to comply with the research implementation plan. 3) Patient have signed the consent form approved by the Ethics Review Committee of the Fujita Health University.

Exclusion criteria

Exclusion criteria: A patient whom a doctor judges that participation in research is inappropriate.

Design outcomes

Primary

Measure	Time frame
Survey analysis of positive rate of JBS, JBS2	—

Contacts

Public ContactNaoko Ishigaki

Fujita Health University Bantane Hospital

alergia@fujita-hu.ac.jp+81-52-321-8171

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026