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Photodynamic Therapy For Onychomycosis

Photodynamic Therapy For Onychomycosis: An Open Label Study

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07756671
Enrollment
5
Registered
2026-08-11
Start date
2026-08-10
Completion date
2027-12-31
Last updated
2026-09-03

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

Conditions

Onychomycosis of Toenail

Keywords

toenail fungus, photodynamic therapy (PDT), aminolevulinic acid (ALA)

Brief summary

The purpose of this study is clinical and mycological clearance of onychomycosis using photodynamic therapy (PDT) with aminolevulinic acid (ALA) 10% gel at 6 months, 3 months, 9 months and 12 months

Interventions

DRUGALA 10% gel

ALA 10% gel will be applied under occlusion for 3 hours before PDT

DEVICEPDT

Participants will have illumination on the affected nail with RhodoLED® XL 635 nm red light at 37 J/cm² at 5 inches for 13.5 minutes.

DRUGUrea

Participants will have 20% urea applied to affected nail daily for 2 weeks before start of treatment

Sponsors

The University of Texas Health Science Center, Houston
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 100 Years
Healthy volunteers
No

Inclusion criteria

* Clinical and mycological diagnosis \[by potassium hydroxide (KOH) stain\] of onychomycosis

Exclusion criteria

* Known or suspected allergies or sensitivities to any components of any of the study drugs * Patients with coagulation disorders * Known or suspected claustrophobia * Pregnancy during the treatment period * Medically unable to consent * Employees of the clinics * Prisoners

Design outcomes

Primary

MeasureTime frameDescription
Number of participants that show Clinical clearance of onychomycosis6 months after treatmentClinical clearance is indicated by lack of nail thickening (subungual hyperkeratosis), nail-plate separation (onycholysis) and white/yellow/orange/brown discoloration
Number of participants that show mycological clearance of onychomycosis as indicated by a negative KOH testing result6 months after treatment

Secondary

MeasureTime frameDescription
Number of participants that show Clinical clearance of onychomycosis12 monthsClinical clearance is indicated by lack of nail thickening (subungual hyperkeratosis), nail-plate separation (onycholysis) and white/yellow/orange/brown discoloration
Number of participants that show Mycological clearance of onychomycosis as indicated by a negative KOH testing result3 months
Number of participants that show Clinical clearance of onychomycosis nail thickening (subungual hyperkeratosis), nail-plate separation (onycholysis), and white/yellow/orange/brown discoloration3 monthsClinical clearance is indicated by lack of nail thickening (subungual hyperkeratosis), nail-plate separation (onycholysis) and white/yellow/orange/brown discoloration

Countries

United States

Contacts

CONTACTStephen Tyring, MD, PhD, MBA
Stephen.K.Tyring@uth.tmc.edu(281) 333-3376
CONTACTLuke Moore
luke.c.moore@uth.tmc.edu(817) 795-7546
PRINCIPAL_INVESTIGATORStephen Tyring, MD, PhD, MBA

The University of Texas Health Science Center, Houston

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 4, 2026