| Recruiting | Clinical Study on Laparoscopic Resection of Splenic Artery Aneurysm With Preservation of Spleen NCT07053605 | Northern Jiangsu People's Hospital | N/A |
| Recruiting | Targeting Aging With a Ketone Ester for Function in Frailty NCT06645847 | Buck Institute for Research on Aging | N/A |
| Not Yet Recruiting | A Randomized, Double-Blind Study to Assess the Effect of a Postbiotic on Oxidative Stress and Exercise Perform NCT06795425 | Lindenwood University | N/A |
| Recruiting | The Impact of a 48-hour Fast with or Without Exercise on Immune Cell Metabolism and Glycemic Control in Health NCT06737224 | University of British Columbia | N/A |
| Completed | Implementing Good Nutrition to Improve, Transform, and Enhance (IGNITE) Firefighters' Health NCT06567561 | Stanford University | N/A |
| Completed | Cold Water Exposure and Immune Function Study NCT06667479 | University of Northern Colorado | N/A |
| Recruiting | PCOS Immune Function Predicts Metformin Efficacy NCT06325956 | Shanghai 10th People's Hospital | N/A |
| Recruiting | Microecology and Immunity in Patients With Anti-MDA5 Antibody Positive Dermatomyositis and Interstitial Lung D NCT06203249 | Chinese PLA General Hospital | — |
| Completed | PCOS Patients' Immune Alterations NCT06325969 | Shanghai 10th People's Hospital | — |
| Completed | Efficacy and Safety of Heat-Treated Lactiplantibacillus Plantarum LM1004 on Immune Function NCT07433855 | Soon Chun Hyang University | N/A |
| Recruiting | 1/2- Bangladesh Center for Global Environmental and Occupational Health- Bangladesh NCT05570552 | International Centre for Diarrhoeal Disease Research, Bangladesh | N/A |
| Completed | GCWB1176 Evaluates the Effectiveness and Safety of Immune Function NCT05632341 | Green Cross Wellbeing | N/A |
| Recruiting | Investigating the Role of Energy Balance Modification on Health Responses in Chronic Lymphocytic Leukaemia NCT06379282 | University of Surrey | N/A |
| Completed | Comparison Study of Manapol and DaltonMax on Immune Function, Microbiome, and Related Variables in Men and Wom NCT05510050 | University of Memphis | N/A |
| Completed | Twins Nutrition Study (TwiNS): Vegan vs. Omnivore NCT05297825 | Stanford University | N/A |
| Active Not Recruiting | Maternal & Offspring Microbiome Study NCT05123612 | Stanford University | N/A |
| Unknown | Cognitive Behavior Therapy (CBT) and Psychological Status and Immune Function NCT04741308 | Shanghai 10th People's Hospital | N/A |
| Completed | The Effect of Synbiotics on the Upper Respiratory Tract Infection NCT04960878 | Huazhong University of Science and Technology | N/A |
| Completed | Impact Nerium Oleander on Immune Function NCT04486144 | HealthQuilt | N/A |
| Completed | The RAMP Study - Rejuvenation of the Aging Microbiota With Prebiotics NCT03690999 | Stanford University | N/A |
| Completed | SWAP-MEAT: Study With Appetizing Plant Food - Meat Eating Alternatives Trial NCT03718988 | Stanford University | N/A |
| Unknown | Omega 3 and Fibre Intervention Study to Improve Metabolic Health NCT03442348 | Guy's and St Thomas' NHS Foundation Trust | N/A |
| Completed | Probiotic Supplement and Microbiome, Immune System and Metabolic Syndrome NCT03201068 | Stanford University | N/A |
| Completed | Evaluation of Efficacy and Safety of AGP on Immune Enhancement NCT03330392 | Chonbuk National University Hospital | N/A |
| Completed | Fermented and Fiber-rich Food (FeFiFo) Study NCT03275662 | Stanford University | N/A |
| Completed | Weissella Cibaria JW15 Consumption and NK Cell Activity NCT03209635 | Yonsei University | N/A |
| Completed | Immune Function and Muscle Adaptations to Resistance Exercise in Older Adults NCT02261961 | VA Office of Research and Development | N/A |
| Completed | Monocyte Subsets Altered by Anesthesia NCT03431532 | University Hospital, Saarland | — |
| Completed | Effects of the Consumption of California Walnuts on Cardiovascular Health NCT01235390 | University of California, Davis | Phase 1 |
| Completed | Glutamine Supplementation in Cystic Fibrosis NCT01051999 | Emory University | Phase 2 |
| Completed | Prebiotics and Immune Function in Middle Aged Humans NCT00898599 | University Hospital Southampton NHS Foundation Trust | Phase 1 / Phase 2 |
| Completed | A Study of a Prebiotic, a Probiotic and a Synbiotic Upon the Gut Microbiota and Immune Response of Healthy Vol NCT01545219 | University of Reading | N/A |
| Completed | The Effect of a Prebiotic, Probiotic and Synbiotic on the Gut Microbiota and Immune Response of Older Voluntee NCT01586247 | University of Reading | N/A |
| Completed | Effect of Fruit and Vegetable Consumption on Immune Function in the Elderly NCT00858728 | Queen's University, Belfast | N/A |