| Active Not Recruiting | Mapping Metabolic Organ Plasticity in Energy Adaptation NCT07415213 | Tel Aviv University | N/A |
| Recruiting | Effects of Ketone Bodies on Insulin Sensitivity NCT07359625 | University of Aarhus | N/A |
| Recruiting | Retrospective Monocentric Evaluation of Biomarkers Associated With Bone, Muscle and Energy Metabolism NCT07454252 | IRCCS San Raffaele | — |
| Recruiting | Technologies and Systems for Assessing Human Energy Metabolism and Nutritional Rehabilitation NCT07056504 | Shenzhen Institutes of Advanced Technology ,Chinese Academy of Sciences | — |
| Recruiting | Menstrual Cycle Mapping While Using Closed-Loop Insulin Delivery NCT07478211 | Lia Bally | — |
| Completed | Dynamic Effects of Different Dietary Interventions on Visceral Fat and Biochemical Markers NCT06754306 | Shanghai Jiao Tong University School of Medicine | N/A |
| Completed | The Impact of the Mediterranean Diet on Anthropometric Indices, Lipid Profiles, Energy Metabolism Signaling Pr NCT07164014 | King Saud University | N/A |
| Completed | Exercise-regulated Organ Crosstalk, Influence of IL-6 NCT06334653 | Helga Ellingsgaard | N/A |
| Completed | Mass Balance of Orally Administered [14C] (3S,4S,5R)-1,3,4,5,6-pentahydroxy-hexan-2-one NCT06230900 | Wageningen University | N/A |
| Completed | Effect of a Physical Exercise Session Performed During a 24-34 Hour Fasting Period on Energy Metabolism and Co NCT05919979 | Universidad de Granada | N/A |
| Recruiting | Validating a New Machine-Learned Accelerometer Algorithm Using Doubly Labeled Water NCT05736302 | University of Wisconsin, Milwaukee | — |
| Active Not Recruiting | Bionenergetic Balance During CVVH NCT06483542 | Universitair Ziekenhuis Brussel | — |
| Completed | Lactate Profile and Fat Oxidation During Exercise NCT05703100 | Technical University of Madrid | N/A |
| Completed | Very Low Ketogenic Diet and Energy Expenditure NCT06252077 | University of Pisa | N/A |
| Completed | Estimation of Energy Expenditure and Physical Activity Classification With Wearables NCT05523830 | Maastricht University Medical Center | — |
| Unknown | Maximal Fat Oxidation During Exercise NCT04935983 | Wageningen University | N/A |
| Recruiting | Erythrocyte Transport of Lactate During Exercise (TELE Project) NCT06104150 | Technical University of Madrid | N/A |
| Completed | Spinal Stabilization Exercises in Individuals With Transtibial Amputatıon NCT04114175 | Baskent University | N/A |
| Completed | Caffeine Increases Maximal Fat Oxidation During Exercise in Endurance-trained Men: is There a Diurnal Variatio NCT04320446 | Universidad de Granada | N/A |
| Terminated | Brain Energy Metabolism and Sleep in Adults NCT03929302 | The University of Texas at Dallas | N/A |
| Completed | Muscle Energy Metabolism and Metabolic Flexibility in Older Men and Women NCT03701867 | Abbott Nutrition | N/A |
| Completed | Effects of a Thermogenic Dietary Supplement on Metabolic, Hemodynamic, and Mood Responses NCT03678116 | University of Mary Hardin-Baylor | N/A |
| Completed | Energy Metabolism for the Patients With Pulmonary Mycobacterium Avium Complex NCT03550820 | National Hospital Organization Minami Kyoto Hospital | — |
| Completed | Environmental Factors and the Gut Microbiome - Endocannabinoid Axis NCT03463304 | Laval University | — |
| Completed | 16 Weeks' Dietary Supplementation With Iron and Iron + Vitamin C on Cerebral Blood Flow and Energy Expenditure NCT04477018 | Northumbria University | N/A |
| Completed | Human Metabolic Dynamics at Rest and During Aerobic Exercise Under Normobaric Normoxic and Moderate Hypoxic Co NCT03121885 | Benjamin Gollasch | N/A |
| Completed | Guanidinoacetic Acid With Creatine Compared With Creatine Alone for Tissue Bioenergetics, Hyperhomocysteinemia NCT03350282 | University of Novi Sad, Faculty of Sport and Physical Education | N/A |
| Completed | Capsimax Effect on Metabolic Rate, Satiety and Food Intake NCT03489226 | Pennington Biomedical Research Center | N/A |
| Suspended | Calorie Balance Monitoring and Analysis of Body Composition and Hydration Status NCT00823329 | Ori Diagnostic Instruments LLC | EARLY_Phase 1 |
| Completed | Energy Metabolism in Branched-chain Organic Acidemias NCT03917212 | German Diabetes Center | — |
| Completed | Modelling of Energy Expenditure From Heart Rate, Accelerometry and Other Physiological Parameters NCT01209572 | Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement | N/A |
| Completed | Energy Expenditure in Weaning From Mechanical Ventilation NCT00853060 | Hospital de Clinicas de Porto Alegre | — |
| Completed | Protein and Energy Metabolism in Pediatric Crohn's Disease NCT00583232 | Indiana University | Phase 1 |
| Completed | Salty Life 7 Study: Effect of High Salt Intake on Several Physiological Systems in Immobilisation NCT01183299 | DLR German Aerospace Center | N/A |
| Completed | Calcium, Dairy, and Body Fat in Adolescents NCT00592137 | Purdue University | N/A |