ClinicalTrials.Veeva

Menu

Safety & Efficacy Study of HTU-520 in the Treatment of Distal Subungual Onychomycosis of the Toenail

H

Hisamitsu Pharmaceutical

Status and phase

Completed
Phase 2

Conditions

Onychomycosis

Treatments

Drug: HTU-520 Patch
Other: Placebo Patch

Study type

Interventional

Funder types

Industry

Identifiers

NCT01400594
HTU-520-US01

Details and patient eligibility

About

This is a multicenter, randomized, double-blind, parallel-group, placebo-controlled study of HTU-520 in subjects with clinically diagnosed onychomycosis of the great toenail.

Full description

A Randomized, Double-Blind, Parallel-Group, Multicenter, Placebo-Controlled Study of the Safety & Efficacy of HTU-520 in the Treatment of Mild to Moderate Distal Subungual Onychomycosis of the Toenail

Enrollment

182 patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Clinical diagnosis of DSO for at least one great toenail
  2. Direct microscopy of subungual debris positive for hyphal elements (KOH test)
  3. Culture confirmation of the growth of a dermatophyte
  4. Good general health
  5. Willing to refrain from using any lotions, creams, liquids, or polish on treated toenails
  6. Willing to refrain from receiving pedicures for the duration of the study
  7. If female, using an acceptable form of birth control

Exclusion criteria

  1. Unable to apply test product onto toenails by him/herself
  2. Use of topical antifungal agents on the nail within 1 month
  3. Uncontrolled diabetes
  4. Onychomycosis of the fingernails
  5. Confirmed non-dermatophyte infection of the target toenail
  6. Structural deformities of the target toenail, open wounds, lesions, sores, surgery on the feet or toenails
  7. History of severe or chronic immunosuppression, an immunocompromised condition
  8. Any systemic or dermatologic disorder, such as severe eczema, or severe atopic dermatitis
  9. Psoriasis of the toenails
  10. Hypersensitivity or allergy to topical preparations (including terbinafine) or adhesive dressings

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

182 participants in 2 patient groups, including a placebo group

HTU-520 Patch
Experimental group
Description:
Subjects will receive HTU-520 patch in a 1:1 ratio for 48 weeks applied to all toenails.
Treatment:
Drug: HTU-520 Patch
Placebo Patch
Placebo Comparator group
Description:
Subjects will receive placebo patch in a 1:1 ratio for 48 weeks applied to all toenails.
Treatment:
Other: Placebo Patch

Trial contacts and locations

37

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems