Sarcoidosis Clinical Trial
Official title:
An Interventional Study of the Effect of CCR5 Inhibition With Maraviroc on Immune Cells in the the Lung and in Peripheral Blood of Patients With Sarcoidosis
The study hypothesizes that inhibition of the receptor CCR5 by maraviroc will diminish inflammation in patients with sarcoidosis. Subjects with active sarcoidosis will first undergo bronchoscopy with bronchoalveolar lavage to recover lung immune cells for baseline analysis. They will then receive the drug maraviroc for 6 weeks duration. They will then undergo a repeat bronchoscopy with bronchoalveolar lavage to recover lung immune cells for analysis following maraviroc treatment.
The investigators hypothesize that inhibition of CCR5 by maraviroc may have a beneficial immunomodulatory effect on the granulomatous inflammation of pulmonary sarcoidosis. The specific aim of this proposal is the investigate the effect of CCR5 inhibition on the trafficking of mononuclear cells to the lung, skin, peripheral blood in subjects with active sarcoidosis exposed to the CCR5 inhibitor, maraviroc. A second aim will be to isolate by cell sorting cluster of differentiation 4 (CD4)+CCR5+ T cells for amplified gene expression profiling before and after CCR5 inhibition, experiments the investigators believe will elucidate genes associated with downstream activation and inhibition of CCR5 receptor function. ;
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