| Recruiting | Study to Assess Safety, Efficacy and Persistence of ACE1831, in Subjects With IgG4-Related Disease NCT07061938 | Acepodia Biotech, Inc. | Phase 1 / Phase 2 |
| Not Yet Recruiting | An Exploratory Clinical Study on the Safety and Efficacy of CD19/BCMA CAR-NK in the Treatment of Relapsed and NCT07298590 | Changhai Hospital | EARLY_Phase 1 |
| Recruiting | A Study of Efgartigimod in Patients With IgG4-Related Disease NCT07025330 | Stanford University | Phase 2 |
| Recruiting | The Investigators Will Evaluate the Diagnostic Performance of [18F]-AlF-FAPI-74 PET/CT in Inflammatory Disorde NCT07535554 | Universitaire Ziekenhuizen KU Leuven | Phase 2 / Phase 3 |
| Recruiting | Exploratory Study of Anti-BCMA-CD19 CAR-T Cell Therapy in Relapsed or Refractory IgG4-Related Disease NCT07148791 | Chinese PLA General Hospital | Phase 2 |
| Recruiting | A Randomized Controlled Study of the Efficacy and Safety of Lenalidomide in the Treatment of Active IgG4-relat NCT07068165 | Peking Union Medical College Hospital | Phase 2 / Phase 3 |
| Active Not Recruiting | Adaptive and Trained Immunity in the Pathogenesis of IgG4-Related Disease NCT06844864 | IRCCS San Raffaele | — |
| Recruiting | Safety and Efficacy of PRG-1801 for Refractory Lupus Nephritis and IgG4-Related Disease NCT06497387 | Tongji Hospital | EARLY_Phase 1 |
| Recruiting | Safety and Efficacy of PRG-2311 for Refractory Lupus Nephritis and IgG4-Related Disease NCT06497361 | Tongji Hospital | EARLY_Phase 1 |
| Recruiting | Early Clinical Study of UTAA09 Injection in the Treatment of Relapsed/Refractory Autoimmune Diseases NCT06361745 | PersonGen BioTherapeutics (Suzhou) Co., Ltd. | N/A |
| Recruiting | Drug Rediscovery for Rare Immune Mediated Inflammatory Diseases NCT06285539 | UMC Utrecht | Phase 2 |
| Recruiting | Short-term Glucocorticoid Combined with MMF for IgG4-RD NCT06663618 | Wen Zhang | N/A |
| Not Yet Recruiting | Study of Sirolimus in IgG4-related Disease NCT05746689 | Peking University International Hospital | N/A |
| Unknown | Study to Evaluate the Efficacy and Safety of CM310 in Subjects With IgG4-related Disease NCT05728684 | Beijing Friendship Hospital | N/A |
| Active Not Recruiting | A Phase 3 Study of Obexelimab in Patients With IgG4-Related Disease NCT05662241 | Zenas BioPharma (USA), LLC | Phase 3 |
| Unknown | Tofatib Treatment for IgG4-related Disease NCT05625581 | Changhai Hospital | — |
| Completed | Zanubrutinib in Patients With IgG4-Related Disease NCT04602598 | Matthew C. Baker | Phase 2 |
| Terminated | Elotuzumab in Immunoglobulin G4-Related Disease (IgG4-RD) NCT04918147 | National Institute of Allergy and Infectious Diseases (NIAID) | Phase 2 |
| Completed | Impact of COVID-19 on the Clinical Outcomes and Management of IgG4 Related Disease Patients NCT04817553 | Chinese University of Hong Kong | — |
| Unknown | Belimumab Treatment for IgG4-related Disease NCT04660565 | Peking Union Medical College Hospital | Phase 4 |
| Active Not Recruiting | A Study of Inebilizumab Efficacy and Safety in IgG4- Related Disease NCT04540497 | Amgen | Phase 3 |
| Unknown | Characterizing IgG4-RD With 68Ga-FAPI PET/CT NCT04125511 | Peking Union Medical College Hospital | EARLY_Phase 1 |
| Completed | Safety and Efficacy of Abatacept in IgG4-Related Disease NCT03669861 | Massachusetts General Hospital | Phase 2 |
| Recruiting | Meir Medical Center Rheumatologic Biobank NCT03473912 | Meir Medical Center | — |
| Unknown | Plasmablast Detection From IgG4-Related Disease Patients NCT03466970 | Meir Medical Center | — |
| Unknown | A Laboratory Scan of Patients With Aortic Aneurysms to IgG4 Levels in the Blood NCT03267875 | Meir Medical Center | N/A |
| Unknown | To Evaluate the Clinical Efficacy of Iguratimod in the Treatment of IgG4 Related Disease (IgG4-RD) With Mild S NCT03368274 | Wen Zhang | Phase 4 |
| Recruiting | National Registry of IgG4-RD in China NCT03023371 | Peking Union Medical College Hospital | — |
| Completed | Treatment of IgG4-Related Disease With Revlimid and Rituximab NCT02705638 | Mayo Clinic | Phase 1 |
| Completed | Infraorbital Nerve Involvement on Magnetic Resonance Imaging in IgG4-related Ophthalmic Disease NCT03690908 | Fondation Ophtalmologique Adolphe de Rothschild | — |
| Completed | Bile Usefulness for Detecting IgG4-related Sclerosing Cholangitis NCT02616705 | Mayo Clinic | — |
| Unknown | Glucocorticoids in Patients With IgG4-RD NCT01758393 | Peking Union Medical College Hospital | Phase 2 / Phase 3 |
| Completed | Follicular Helper T Cells: Biological Marker and Involvement in the Physiopathology of the IgG4-related Diseas NCT02899039 | Assistance Publique Hopitaux De Marseille | N/A |
| Recruiting | A Prospective Cohort Study of IgG4RD in China NCT01670695 | Peking Union Medical College Hospital | — |