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VCRC Tissue Biorepository Collection Protocol
The purpose of this study is to collect existing tissue specimens from subjects enrolled in Vasculitis Clinical Research Consortium (VCRC) studies. Analysis of…
Longitudinal Protocol for Eosinophilic Granulomatosis With Polyangiitis
Eosinophilic granulomatosis with polyangiitis (EGPA) is a rare immune system disorder that causes asthma, an excessive number of eosinophils (a type of white b…
A Phase 1/2 Open-Label, Single-Ascending-Dose Study of EN-374, a Helper-Dependent Adenoviral-Based Gene Therapy, in Participants With X-Linked Chronic Granulomatous Disease
The goal of this clinical trial is to evaluate the safety and potential efficacy of the EN-374 treatment regimen and identify a dose level for further evaluati…
The Vasculitis Pregnancy Registry (V-PREG)
The purpose of this study is to learn about the experience of women with vasculitis who become pregnant. In particular, the study will consist of several onlin…
VCRC Genetic Repository One-Time DNA Protocol
The purpose of this study is to identify genes that increase the risk of developing vasculitis, a group of severe diseases that feature inflammation of blood v…
A Pilot Study of Fecal Microbiota Transplantation for Chronic Granulomatous Disease-Associated Colitis
Background: Chronic granulomatous disease (CGD) weakens the body's defense against germs. CGD can also damage the colon. It can cause inflammation (colitis) t…
Open-label Single-Center Study to Evaluate the Safety and Efficacy of Combining Rituximab and AB-101 in B-cell Associated Autoimmune Diseases.
This study will evaluate the safety and activity of AB-101 in combination with rituximab in B-cell associated autoimmune diseases where rituximab is currently …
A Phase II Trial of the MEK Inhibitor Mirdametinib in Histiocytic Disorders
The purpose of this study is to see if treatment with mirdametinib in patients with Langerhans cell histiocytosis (LCH) or other histiocytic disorders will be …
Clinical Transcriptomics in Systemic Vasculitis (CUTIS)
Multi-center observational study to evaluate the histopathology and transcriptome of cutaneous lesions in patients with several different types of vasculitis.
International Rare Histiocytic Disorders Registry (IRHDR)
The rare histiocytic disorders (RHDs) are characterized by the infiltration of one or more organs by non-LCH histiocytes. They can range from localized disease…
A Phase 2 Study to Assess the Safety and Efficacy of Cobimetinib in Refractory Langerhans Cell Histiocytosis, LCH-Associated Neurodegenerative Disease, and Other Histiocytic Disorders.
This is a research study of a drug called cobimetinib in children and adults diagnosed with Langerhans cell histiocytosis (LCH), and other histiocytic disorder…