causative allergens of facial contact dermatitis

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20250604002

Enrollment

200

Registered

2025-06-04

Start date

2025-05-18

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Facial contact dermatitis facial eczema, facial contact dermatiits, contact dermatitis

Interventions

People who present with eczema at facial or other area with suspected contact dermatitis

Diagnostic

group one

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Thai people at the age >= 18 years old 2. suspected contact dermatitis at face and/or other area

Exclusion criteria

Exclusion criteria: 1. pregnancy or breast feeding 2. People with contraindication for patch testing 3. People with cancer or autoimmune disease

Design outcomes

Primary

Measure	Time frame
type of allergen at the end of patch test reading type of allergen	—

Secondary

Measure	Time frame
incidence of each allergen at the end of patch test reading count	—

Countries

Thailand

Contacts

Public ContactSinee Weschawalit

Faculty of medicine, Thammasat University

sineewes@tu.ac.th029269999

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026