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Prevalence of Psoriasis Alba in Psoriatic Patients

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified February 2009 by Hadassah Medical Organization.
Recruitment status was:  Enrolling by invitation
Information provided by:
Hadassah Medical Organization Identifier:
First received: February 1, 2009
Last updated: August 11, 2010
Last verified: February 2009
Interdigital psoriasis (psoriasis alba) is atypical and rare form of psoriasis that is often missed as it is commonly mistaken for either dermatoses or fungal infection.In this study we observed and analyzed the prevalence of psoriasis interdigital of palms and soles and brought medical awareness to dermatologists and family doctors this rare form of psoriasis. Thus, you can help to avoid mistaken diagnosis and the start of correct treatment as soon as possible.


Study Type: Observational
Study Design: Time Perspective: Prospective

Resource links provided by NLM:

Further study details as provided by Hadassah Medical Organization:

Enrollment: 300
Study Start Date: January 2008
patients with psoriasis , patients with atopic dermatitis and healthy patients.

Detailed Description:
Hospitalized patients and outpatient clinic will be included in the study after receiving the signature of a inform consent.Patients groups : 100 patients with psoriasis,100 patients with atopic dermatitis and 100 healthy patients (control group).Patients with atopic dermatitis will be the secondary control group.Patients diagnosed with inflammatory condition of interdigital skin of the palms and soles will be checked by fungal microscopy test.If the fungal test is negative ,we need to prepare to a biopsy of the skin in this area .Following results of the skin biopsy conclusions can be shown about the prevalence of interdigital psoriasis in psoriatic patients enabling suitable treatment to be given to the patients.

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Probability Sample
Study Population
patients of dermatology depatment and outpatient clinic in the hospital

Inclusion Criteria:

  • patients above 18 years old ,hebrew speakers, patients with psoriasis vulgaris or atopic dermatitis without systemic treatment

Exclusion Criteria:

  • patients below 18 years old, pregnancy women, patients treated with systemic agents for psoriasis or atopic dermatitis(methotrexate,cyclosporin,neotigason)
  Contacts and Locations
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Please refer to this study by its identifier: NCT00835315

Sponsors and Collaborators
Hadassah Medical Organization
Principal Investigator: Vera Leibovici, MD Hadassah Medical Organization
Principal Investigator: Natalya Lemster, MD Hadassah Medical Organization
  More Information

Responsible Party: hadassa medical organization,jerusalem,israel, hadassah medical organization Identifier: NCT00835315     History of Changes
Other Study ID Numbers: IPS001-HMO-CTIL
Study First Received: February 1, 2009
Last Updated: August 11, 2010

Keywords provided by Hadassah Medical Organization:
interdigital psoriasis (psoriasis alba)

Additional relevant MeSH terms:
Skin Diseases, Papulosquamous
Skin Diseases processed this record on April 24, 2017