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The Accuracy and Safety of Detachable Dissolvable Microneedles Patch Test (DDMNs PT) in Detecting Contact Allergy

The Accuracy and Safety of Detachable Dissolvable Microneedles Patch Test (DDMNs PT) in Detecting Contact Allergy, A Pilot Study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20241127003
Enrollment
100
Registered
2024-11-27
Start date
2024-03-15
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

Detachable Dissolvable Microneedles Patch Test in Detecting Contact Allergy Contact allergy, Allergic contact dermatitis, Patch test, Microneedles patch

Interventions

All participants will undergo the specific allergens loaded DDMNs patches application on the back of the participant, where one, randomly chosen side. Once applied, the DDMN patch will be hydrated wit
Experimental Device,Active Comparator Device
Detachable Dissolvable Microneedles Patch Test (DDMNs PT),Standard Patch test

Sponsors

Research and International Relations Division, Srinakharinwirot University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Subjects must be at least 18 years of age. 2. Subjects with allergic contact dermatitis who had positive patch test to at least one of the 3 tested allergens (3 months before) 3. Subjects voluntarily agree to participate in this research project and have documented their consent by signing the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Participants with any medical condition that could potentially interfere with the results of the patch test ; a. Severe of generalized active dermatitis b. Taking systemic immunosuppressive agents, including but not limited to corticosteroids, azathioprine, cyclosporine, in relevant doses within 4 weeks. c. Dermatitis on the back or other sites chosen for the application of patch test. d. Ultraviolet exposure of the test area within 21 days. e. Test area treated with topical corticosteroids within 14 days. f. Known 3+ (extreme) patch reactions to a substance 2. Female participant who is pregnant or lactating 3. History of anaphylaxis 4. Participants who have participated in another research trial involving an investigational product (microneedles).

Design outcomes

Primary

MeasureTime frame
Accuracy of DDMNs Patch test in Detecting Contact Allergy at 72 hours after placement Clinical scoring of allergic patch test reactions (by ICDRG)

Secondary

MeasureTime frame
Patient satisfaction at day 7 and day 28 after the intervention Patient reported outcome using a visual analog scale (VAS),Pain (Adverse effects of DDMNs Patch test) within 5 mins after placement of DDMNs Patient reported outcome using a visual analog scale (VAS),Skin hyperpigmentation (Adverse effects of Patch test) at day 14 and day 28 after the intervention a 3-point scale (0,1,2),Persistent positive reaction (Adverse effects of Patch test) at day 14 and day 28 after the intervention Evaluated by researcher

Countries

Thailand

Contacts

Public ContactChotinij Lertphanichkul

Faculty of Medicine, Srinakharinwirot University

chotinij@g.swu.ac.th0962659996

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026