| Hydroxychloroquine in ANCA Vasculitis Evaluation (NCT04316494) | Guy's and St Thomas' NHS Foundation Trust | 2020-12-17 |
| Mepolizumab Long-term Study to Assess Real World Safety and Effectiveness of Eosinophilic Granulomatosis With Polyangiitis (EGPA) in Japan (NCT04551989) | GlaxoSmithKline | 2020-12-11 |
| Identification of Autoantigens in EGPA and Severe Eosinophilic Asthma (NCT04671446) | Queen Mary University of London | 2020-12-10 |
| NUCALA® Special Drug Use Investigation (EGPA, Long-term) (NCT03557060) | GlaxoSmithKline | 2018-06-25 |
| VCRC Tissue Repository (NCT02967068) | University of Pennsylvania | 2016-11-01 |
| Eosinophilic Granulomatosis With Polyangiitis Cohort (NCT03036670) | Portsmouth Hospitals NHS Trust | 2016-08-10 |
| Immuno-ablation With Chemoimmunoradiation and Autologous Stem Cell Transplant for Churg-Strauss Syndrome (NCT02728271) | Mounzer Agha | 2016-04-01 |
| Long-term Access Program (LAP) of Mepolizumab for Subjects Who Participated in Study MEA115921 (NCT03298061) | GlaxoSmithKline | 2015-04-14 |
| VCRC Patient Contact Registry Patient-Reported Data Validation Study (NCT02190942) | University of South Florida | 2014-05-01 |
| A Study to Investigate Mepolizumab in the Treatment of Eosinophilic Granulomatosis With Polyangiitis (NCT02020889) | GlaxoSmithKline | 2014-02-05 |
| PRO Development for ANCA Associated Vasculitis (NCT01729624) | University of Oxford | 2012-09-01 |
| Educational Needs of Patients With Systemic Vasculitis (NCT02190929) | University of South Florida | 2012-03-01 |
| Vasculitis Illness Perception (VIP) Study (NCT02190916) | University of South Florida | 2011-10-01 |
| Reproductive Health in Men and Women With Vasculitis (NCT02176070) | University of South Florida | 2011-02-01 |
| American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) Diagnostic and Classification Criteria for Primary Systemic Vasculitis (NCT01066208) | University of Oxford | 2011-01-01 |
| Safety and Efficacy Study of Mepolizumab in Churg Strauss Syndrome (NCT00716651) | University Hospital Schleswig-Holstein | 2008-07-01 |
| Mepolizumab As a Steroid-sparing Treatment Option in the Churg Strauss Syndrome (NCT00527566) | Brigham and Women's Hospital | 2007-09-01 |
| Rituxan in Churg Strauss Syndrome With Renal Involvement (NCT00424749) | Fernando Fervenza | 2007-06-01 |
| Longitudinal Study for Eosinophilic Granulomatosis With Polyangiitis (NCT00315380) | University of Pennsylvania | 2006-04-01 |
| Treatment of Necrotizing Vasculitides for Patients Older Than 65 Years (NCT00307671) | Assistance Publique - Hôpitaux de Paris | 2005-07-01 |
| RATTRAP: Infliximab Versus Rituximab in Systemic Necrotizing Vasculitides (NCT00307593) | Assistance Publique - Hôpitaux de Paris | 2004-05-01 |
| Anti-Interleukin-5 (IL-5) Study for Hypereosinophilic Syndrome (NCT00266565) | Children's Hospital Medical Center, Cincinnati | 2001-12-01 |
| Autologous Peripheral Blood Stem Cell Transplantation in Patients With Life Threatening Autoimmune Diseases (NCT00006055) | Fairview University Medical Center | 2000-03-01 |
| CHUSPAN SCS BP Treatment of Churg-Strauss Syndrome Without Poor-Prognosis Factors (NCT00399399) | Hospices Civils de Lyon | 1996-07-01 |
| Cyclophosphamide Versus Methotrexate for Remission Maintenance in Systemic Necrotizing Vasculitides (NCT00751517) | University of Parma | |