T Cell Repertoire Analysis of Immune Mediated Skin Diseases

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

426 participants

Study Classification

OBSERVATIONAL

Study Start Date

2007-01-31

Study Completion Date

2020-11-30

Brief Summary

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This study is designed to identify the cells of the immune system that cause skin disease such as psoriasis and mycosis fungoides. Blood samples from many patients will be compared in hopes of finding common cells and molecules responsible for skin diseases. Results of this study will increase our knowledge about immune mediated skin disease.

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Detailed Description

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The aim of the study is to characterized the T cell repertoire of individuals with immune mediated skin disease (e.g. psoriasis and mycosis fungoides). Peripheral blood with be collected from volunteers with psoriasis, mycosis fungoides and age matched controls. Fifteen tablespoons of blood will be collected prior to the initiation of treatment and again after the patient shows a clinical response to treatment. The time between blood draws will be no less than 3 months. There will be no more than two blood draws per patient. Blood samples will be used to determine the patient's HLA haplotype via PCR and DNA sequencing. After the patient's haplotype has been established the activated T cell repertoire will be analyzed for clonal expansions. Clonal expansions in the T cell repertoire will be determined by immunoscope analysis, which is a PCR based technique.

Conditions

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Psoriasis Mycosis Fungoides

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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1

Individuals ages 12-85 with an immune mediated skin disease, such as psoriasis, scleroderma, or mycosis fungoides. Peripheral blood and/or check swabs will be collected from participants ages 12- 85 years old. These samples will then be used to characterize the inflammatory cells as described above.

No interventions assigned to this group

2

Age-Matched Controls without immune mediated skin diseases. Peripheral blood and/or check swabs will be collected from participants ages 12- 85 years old. These samples will then be used to characterize the inflammatory cells as described above.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Have an immune mediated skin disease, such as psoriasis or mycosis fungoides
* Are not taking immunosuppressive medications, which may interfere with T cell analysis.