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Interest of Photographs by Smartphone in Dermatology

Interest of the Photographs by Smartphone During the Requests of Opinion Specialized in the Department of Dermatology of the CHRU of Nancy

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03493724
Acronym
PHOTODERM
Enrollment
205
Registered
2018-04-10
Start date
2018-02-13
Completion date
2018-09-01
Last updated
2018-04-10

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

Conditions

Dermatitis

Brief summary

To study the diagnostic performance of the images on the smartphone compare the result of the clinical examination, all the dermatoses combined and by family of pathology (inflammatory, wound, oncology, infectious, allergology), during urgent request requests in dermatology

Detailed description

The study is conducted in the dermatology department, for a maximum duration of 6 months. We include patients who require dermatological advice and for whom their doctor sends us photographs. Doctors contact us by telephone, describe the symptoms and send photographs according to the secure procedure. Patients are admitted for consultation and the diagnosis by photography is compared with the clinical diagnosis

Interventions

to evaluate the diagnostic performance of the photographs made by Smartphone, during requests for emergency dermatological advice

Sponsors

Central Hospital, Nancy, France
Lead SponsorOTHER

Study design

Observational model
OTHER
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* For which our fellow doctors ask a dermatological opinion for diagnostic purposes, after clinical examination of the patient, in an emergency * After obtaining the oral consent by the requesting doctor then informing and signing a non-opposition form during the consultation at the University Hospital of Nancy * Affiliation to a social protection * Doctors must have signed and sent back an ethical charter, where they undertake to send the image via MSsante, then to erase the image of the smartphone

Exclusion criteria

* Patients under the protection of justice, tutorship or curatorship * Doctors : lack of smartphone powerful enough to offer a quality image

Design outcomes

Primary

MeasureTime frameDescription
sensitivity, specificity, positive and negative predictive values globallythrough study completion, an average 6 monthsevaluation of the diagnostic performance of the test
sensitivity, specificity, positive and negative predictive values stratifiedthrough study completion, an average 6 monthsstratified on the families of pathologies : infectious pathology, inflammatory dermatosis, allergology, wound, oncology

Secondary

MeasureTime frameDescription
Calculation of Cohen's kappa concordance between dermatologiststhrough study completion, an average 6 monthsassessment of interobserver diagnostic agreement

Countries

France

Outcome results

None listed

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