Churg-Strauss Syndrome clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT06231498 Not yet recruiting - Clinical trials for Eosinophilic Granulomatosis With Polyangiitis

The Epigenomic Signature of Eosinophilic Granulomatosis With Polyangiitis

EPI-EGPA

Start date: April 2024
Phase:
Study type: Observational

This is a case-control observational study on blood samples. The primary goal of this study is to identify the epigenetic marks that can distinguish patients suffering from Eosinophilic Granulomatosis with Polyangiitis (EGPA) from healthy individuals. The secondary goal is to identify epigenetic or transcriptional marks that can predict if a patient with EGPA will benefit from therapy with Mepolizumab. This study is observational, meaning there will be no alterations of patients' routine clinical care. A blood sample will be drawn for each patient. If the patient will undergo treatment with Mepolizumab (based on routine clinical care), then the blood sample will be drawn before Mepolizumab initiation. The blood samples will be used for genome-wide DNA methylation profiling and for transcriptomic profiling. Healthy individuals as controls for the association study will not be recruited. In fact, the epigenetic and transcriptomic data obtained from EGPA patient blood will be compared against already available genome-wide DNA methylation and transcriptomic profiles of the blood of healthy individuals from previous studies. A total of 300 patients with EGPA will be recruited for the study. The first part of the study, corresponding to the primary goal, will involve all of the 300 patients. The second part of the study, corresponding to the secondary goal, will involve a study population subset consisting of 50 patients.