Rickettsial Genesis to Sarcoidosis in Denmark
One study has suggested a connection between an infection with Rickettsia species and sarcoidosis finding molecular evidence of rickettsial deoxyribonucleic acid (DNA) in two patients. Another study found no antibodies in twenty Swedish patients with sarcoidosis.
This study will further enhance the subject by three different approaches in Danish patients.
The purpose of this study is to find serological and molecular evidence of an infection with Rickettsia species in Danish patients with sarcoidosis.
The study has three approaches to the subject:
1. A serological survey of rickettsial immunoglobin G (IgG)-antibodies in 50 patients with sarcoidosis compared to 50 blood donors without sarcoidosis.
2. An archival study using pre-existing lymph node biopsies, where immunohistochemical analysis, fluorescent in situ hybridization, and polymerase chain reaction will be applied to samples from 50 patients with sarcoidosis and compared to 50 patients without sarcoidosis and 10 patients with tuberculosis.
3. A prospective study using bronchoscopically obtained samples from 20 patients with sarcoidosis, compared to 20 patients without sarcoidosis. The study applies the same techniques as the second study, but enhancing the information from the patients.
Observational Model: Case Control, Time Perspective: Prospective
Statens Serum Institut
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00326534
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
Sarcoidosis affecting predominantly the lungs, the site most frequently involved and most commonly causing morbidity and mortality in sarcoidosis. Pulmonary sarcoidosis is characterized by sharply circumscribed granulomas in the alveolar, bronchial, and vascular walls, composed of tightly packed cells derived from the mononuclear phagocyte system. The clinical symptoms when present are dyspnea upon exertion, nonproductive cough, and wheezing. (Cecil Textbook of Medicine, 19th ed, p431)
A manifestation of sarcoidosis marked by chronic inflammation of the parotid gland and the uvea.
A chronic, benign, and usually painless inflammatory swelling of the lacrimal and salivary glands. It is considered by some to include the glandular enlargement associated with other diseases, such as Sjogren's syndrome, sarcoidosis, lupus erythematosus, etc.
An idiopathic systemic inflammatory granulomatous disorder comprised of epithelioid and multinucleated giant cells with little necrosis. It usually invades the lungs with fibrosis and may also involve lymph nodes, skin, liver, spleen, eyes, phalangeal bones, and parotid glands.
Inflammation in which both the anterior and posterior segments of the uvea are involved and a specific focus is not apparent. It is often severe and extensive and a serious threat to vision. Causes include systemic diseases such as tuberculosis, sarcoidosis, and syphilis, as well as malignancies. The intermediate segment of the eye is not involved.
Sarcoidosis is a multisystem disease involving most frequently the lung, the eyes, the lymph nodes and the skin. Skin lesions may be disfiguring and impair the quality of life. Thalidomide...
to determine the genetic pathways operating at the tissue level to cause granulomatous inflammation in the lungs and lymph nodes of patients with sarcoidosis. By so doing, we hope to iden...
The exact cause of the chronic lung disease sarcoidosis is still unknown. Consequently, a complete efficacious treatment is still not available. Earlier studies indicate an important key r...
The purpose of this study is to compare peoples with disease (sarcoidosis) to those without disease. We want to see if people with sarcoidosis have a different immune response to those pe...
Growing research from independent laboratories provide an association between mycobacteria and sarcoidosis. More recent immunologic and molecular studies demonstrate immune responses to m...
Sarcoidosis is a chronic, multisystemic, non-caseating granulomatous disease of unknown etiology. Nasopharyngeal involvement is very rare in sarcoidosis. The objective of this report was to evaluate a...
Cardiac involvement portends a poor prognosis inpatients with sarcoidosis. However, due to the non specific clinical manifestations of the disease, patchy myocardial involvement, and the limited diagn...
Sarcoidosis is a systemic, clinically heterogeneous disease characterized by the development of granulomas. Any organ system can be involved, and patients may present with any number of rheumatologic...
Ocular disease occurs in approximately a third of sarcoidosis patients. The rate of disease varies around the world, with Japanese sarcoidosis patients having ocular disease in more than 70% of cases....
PURPOSE: To characterize retinal macroaneurysm, which although rare, has been reported as a specific complication of ocular sarcoidosis. METHODS: Ninety-seven sarcoidosis patients with intraocular inf...