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Evaluation of the Association of Polymorphisms in the Innate Immune System With the Risk for Blastomycosis Dermatitidis Infection in Patients Not Infected With HIV and Complications Associated With Blastomycosis Dermatitidis Infection

National Cancer Institute (NCI) logo

National Cancer Institute (NCI)

Status

Completed

Conditions

Blastomycosis

Study type

Observational

Funder types

NIH

Identifiers

NCT00001702
980138
98-C-0138

Details and patient eligibility

About

Innate immunity plays an important role for fungal recognition and initiation of fungicidal activity. We hypothesize that subtle differences in different molecules of innate immunity may contribute to either the predisposition or clinical course of infection with Blastomycosis dermatitidis. To test this hypothesis, we propose to analyze the allelic frequencies of 15 different genes (mannose binding lectin, Fc-gamma receptor IIa and IIb, Fc-gamma receptors IIIa and IIIb, myeloperoxidase, tumor necrosis factor-alpha and -beta, interleukin 1A and 1B, interleukin-1 receptor antagonist, interleukin-10, NRAMP-1, chitotriosidase, and chemokine receptor 5) and their intragenic polymorphic forms and to compare this data to the incidence and severity of Blastomycosis dermatitidis infection. With this study we hope to identify a group of molecules of innate immunity which influence the risk and severity of invasive Blastomycosis dermatitidis infection.

Full description

Innate immunity plays an important role for fungal recognition and initiation of fungicidal activity. We hypothesize that subtle differences in different molecules of innate immunity may contribute to either the predisposition or clinical course of infection with Blastomycosis Dermatitidis. To test this hypothesis, we propose to analyze the allelic frequencies of 15 different genes (mannose binding lectin, Fc-gamma receptor Ila and IIb, Fc-gamma receptors IIIa and IIIb, myeloperoxidase, tumor necrosis factor-alpha and -beta, interleukin 1A and 1B, interleukin-1 receptor antagonist, interleukin-10, NRAMP-1, chitotriosidase, and chemokine receptor 5) and their intragenic polymorphic forms and to compare this data to the incidence and severity of Blastomycosis Dermatitidis infection. With this study we hope to identify a group of molecules of innate immunity which influence the risk and severity of invasive Blastomycosis Dermatitidis infection.

Sex

All

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

  • INCLUSION CRITERIA:

Patients in the database have been confirmed with a diagnosis of Blastomycosis dermatitides infection by a combination of isolation of the yeast form in a diagnostic microbiology laboratory and/or an elevated cryptococcal antigen titer (which is commercially available).

Only patients diagnosed and treated in the United States and Canada will be included in this analysis.

Only patients who are not co-infected with HIV will be included in the study.

Patient samples will be collected and clinical data will be evaluated only after signed consent has been obtained.

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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