| Withdrawn | An Observational Study of Patients With Chronic Kidney Disease Kidney Disease, Chronic, End Stage Kidney Disease | — | 2025-04-01 |
| Not Yet Recruiting | An Observational Study of Patients With Autoimmune Disease Autoimmune Diseases | — | 2025-03-31 |
| Not Yet Recruiting | An Observational Study of Patients Living With Chronic Neurological Diseases Neurological Diseases or Conditions, Dementia of Alzheimer Type, Alzheimer Disease | — | 2025-03-31 |
| Enrolling By Invitation | An Observational Study of Patients With Chronic Liver Disease Chronic Liver Disease, Cirrhosis | — | 2024-02-19 |
| Active Not Recruiting | An Observational Study of Patients With Chronic Gastrointestinal Disease Gastrointestinal Diseases | — | 2023-08-01 |
| Not Yet Recruiting | An Observational Study of Patients With Metabolic Syndrome and Related Conditions Metabolic Syndrome | — | 2023-05-24 |
| Completed | An Observational Study of Patients With Coronavirus Disease 2019 COVID-19, Coronavirus | — | 2020-04-13 |
| Terminated | A Study of Patients With Chronic Disease Asthma, Chronic Obstructive Pulmonary Disease, Idiopathic Pulmonary Fibrosis | — | 2020-02-27 |
| Active Not Recruiting | A Longitudinal Observational Study of Patients Undergoing Therapy for IMISC Atopic Dermatitis, Alopecia Areata, Hidradenitis Suppurativa | — | 2018-12-21 |
| Terminated | An Observational Study of Patients With Chronic Hepatitis B (CHB) Infection Hepatitis B, Hepatitis, Liver Diseases | — | 2018-10-11 |
| Completed | Direct Acting Antiviral-Post Authorization Safety Study Hepatitis C, Hepatocellular Carcinoma | — | 2018-03-09 |
| Active Not Recruiting | A 5-year Longitudinal Observational Study of Patients Undergoing Therapy for Inflammatory Bowel Disease Inflammatory Bowel Diseases, Crohn's Disease, Ulcerative Colitis | — | 2017-07-24 |
| Active Not Recruiting | A Longitudinal Observational Study of the Natural History and Management of Patients With HCC Hepatocellular Cancer | — | 2016-12-01 |
| Completed | A 5-year Longitudinal Observational Study of Patients With Primary Biliary Cholangitis Biliary Cirrhosis, Primary | — | 2016-10-01 |
| Recruiting | A Longitudinal Observational Study of Patients With Nonalcoholic Steatohepatitis (NASH) and Related Conditions Nonalcoholic Fatty Liver, Nonalcoholic Steatohepatitis | — | 2016-07-01 |