Study of Immune and Genetic Factors in Cryptococcosis Among Previously Healthy Adults Including Blood Relatives and Healthy Volunteers

What this Trial Is About

Cryptococcosis is a fungal infection that primarily affects immunocompromised individuals, such as those with AIDS or organ transplants, but a significant number of cases occur in previously healthy adults without known immune defects. This research aims to investigate the immune deficits and genetic factors that may predispose healthy adults to cryptococcosis. The study includes patients with cryptococcosis, their genetically related family members, and healthy volunteers to compare immune and genetic responses. Participants will undergo various sample collections including saliva, blood, eyebrow hair, cerebrospinal fluid, and nail clippings. Patients receive standard medical care and may be treated with corticosteroids or immunosuppressants if inflammation causes neurological damage. Family members and healthy volunteers will provide samples for genetic and immunologic testing to better understand susceptibility and immune responses. The study also examines differences between patients with central nervous system involvement and those with non-CNS disease. Throughout the study, participants are monitored with clinical evaluations and various testing methods to characterize the disease spectrum, immune mechanisms, and genetic predispositions over 1 to 5 years. Outcomes measured include clinical disease features, immune and genetic factors, and inflammation effects. Samples may be stored for future research, and patients with predisposing immune conditions are excluded to focus on previously healthy adults. Participation involves ongoing assessments as clinically indicated, with no investigational treatments administered.

Fungal Infection Susceptibility