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Uveitis clinical trials

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NCT ID: NCT05102994 Enrolling by invitation - Uveitis Clinical Trials

Mutation Detection for VRL

Start date: November 10, 2021
Phase:
Study type: Observational

Vitreoretinal lymphoma (VRL) is a rare but aggressive masquerade syndrome, which would be easily confused with uveitis. The diagnostic gold standard remains the pathologic examination of ocular specimen with invasiveness and low sensitivity. To improve the safety and accuracy of VRL diagnosis, alternative techniques using intraocular fluid (IOF) samples are emerging. In this study, we aimed to test the diagnostic value of mutation analysis for VRL

NCT ID: NCT05005637 Enrolling by invitation - Tuberculous Uveitis Clinical Trials

The Effectivity of Anti Tuberculosis Therapy in Idiopathic Uveitis With Positive IGRA

Start date: July 27, 2021
Phase: Phase 2
Study type: Interventional

The reported incidence of uveitis is 52 persons per year per 100,000 population, with a greater incidence estimated in developing countries, including Indonesia. Uveitis has challenges in diagnosis and therapy, due to the existence of an immunological privilege mechanism, so it is not easy to obtain diagnostic markers or provide appropriate therapy. In uveitis, a work-up examination looking for signs in the entire body or systemic disease is often conducted. Up until today, establishing the diagnosis of tuberculosis (TB)-associated uveitis is still a challenge. From histopathological studies, TB germs are difficult to find. Wreblowski et al. found that paucibacillary conditions also made TB bacteria difficult to find by PCR and tuberculin test results were also not completely reliable. The development of IGRA (Interferon-Gamma Release Assay) assays, such as QuantiFERON-Gold TB (QFT) has been investigated. Our previous study found that IGRA-positive uveitis patients with type 1 IFN gene expression score >5.61 were more likely to have active TB uveitis. In addition, serum C1q examination also showed an inverse correlation with this score. Regarding therapy, until now corticosteroids and cycloplegics are the mainstay treatment for uveitis. However, appropriate administration of anti-infective drugs is necessary in cases of infection. Inflammation in TB-associated uveitis is thought to be the result of the immune response that occurs as a result of paucibacillary TB infection. Examinations can be redundant and problematic. Determination of therapy is also a dilemma because it is difficult to determine the right patient candidate for administration of anti-tuberculosis therapy (ATT). The protocol of ATT administration itself has not been standardized so it often follows the extra pulmonary TB protocol and there has been no reliable clinical trial research on ATT administration in patients with suspected TB uveitis yet no TB microorganisms are found directly in the eyes or other organs. On this basis, the investigators planned a prospective randomized clinical trial study that involve idiopathic uveitis patients with positive IGRA test, to assess the effectivity of ATT compared to oral steroids. In addition, this study can also be used as a basis for validation of type 1 IFN scores and serum C1q as diagnostic/prognostic biomarkers in cases of TB-associated uveitis.

NCT ID: NCT01613963 Enrolling by invitation - Uveitis Clinical Trials

Causes of Visual Loss in Retinal Disease

Start date: May 2012
Phase: N/A
Study type: Observational

This is a study of visual outcomes in retinal disease that seeks to identify the causes of visual loss. This data will be used to predict which patients are at risk of losing vision and how they can be better treated.