Onychomycosis: Diagnosis and Prevalence in Diabetic Neuropathic Patients

September 4, 2007 updated by: Vésale Hospital
The prevalence of onychomycosis among diabetic patients is still a debated question as well as the best way to diagnose the disease. We conducted a prospective study to assess the prevalence of onychomycosis in diabetic neuropathic (DN) patients clinically suspected of this disease and to assess the reliability of the diagnosis of onychomycosis.

Study Overview

Status

Completed

Conditions

Detailed Description

From December 2000 to January 2005, we followed 100 successive diabetic patients, type 1 and type 2, suffering from (DN). At baseline we assessed age, gender, medical history and medications, foot insensitivity defined by a vibration perception threshold (VPT) >25 volts and onychomycosis by clinical diagnosis.

Multiple samples of the most affected nail, often the big toe, were taken. A potassium hydroxide (KOH) test was done by 2 independent and blinded investigators and a culture in a laboratory (lab) specialized in mycology.

Pictures of the nails and particularly of the sampled nail were taken. Apart from the laboratory results, two independent and blinded dermatologists gave their diagnosis looking at the pictures.

Study Type

Observational

Enrollment (Actual)

100

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Belgium
    • Hainaut
      • Montigny-le-Tilleul, Hainaut, Belgium, 1190
        • CHU A Vésale

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Inclusion criteria were: presence of diabetes mellitus, type 1 or type 2, age between 18 and 80 years, neuropathy demonstrated by a VPT (Vibration Perception Threshold) >25 volts tested with a neurothesiometer (Horwell Scientific, London, UK) and a clinical diagnosis of onychomycosis.

Exclusion Criteria:

  • Exclusion criteria were a history of psoriasis, systemic antifungal therapy during the year preceding the enrolment, immunosuppression either by disease or treatment induced.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Vésale Hospital

Collaborators

Janssen-Cilag Ltd.

Investigators

  • Principal Investigator: Isabelle J DUMONT, MD

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 1, 2000

Study Completion (Actual)

January 1, 2005

Study Registration Dates

First Submitted

August 20, 2007

First Submitted That Met QC Criteria

September 4, 2007

First Posted (Estimate)

September 5, 2007

Study Record Updates

Last Update Posted (Estimate)

September 5, 2007

Last Update Submitted That Met QC Criteria

September 4, 2007

Last Verified

August 1, 2007

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • onychomycosis

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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