National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK): Obesity trials

The registry lists 58 Obesity studies with National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) as lead sponsor. 12 are open to participants now and 4 have results posted.

Early Phase 1 1Phase 1 3Phase 2 13Phase 3 3Phase 4 1No phase 38(a study in two phases counts in both)

Studies

Open to participants first, then studies with results posted, then the rest; newest registration first within each.

• Evaluation of the Clinical Spectrum of Diabetes and Obesity in Youth and AdultsNot yet recruitingNCT07388537
• Youth-Onset Type 2 Diabetes and Heart Disease: The Young at Heart Prospective Cohort StudyRecruitingNCT06730113
• Assessing the Impact of Perceptions of Unpredictability on Objective Measures of Food Consumption and MetabolismNot yet recruitingNCT06690294
• Diet Order Effects of Low Fat vs. Low Carb Diets on Body Fat ChangeRecruitingNCT06325722Not applicable
• Variability In Mixed Meal Tests: Fixed Versus Adjusted to Energy Needs Caloric DoseRecruitingNCT06223555Not applicable
• Effect of Nicotinamide Riboside on Ketosis, Fat Oxidation & Metabolic RateRecruitingNCT06044935Not applicable
• Trial of the Combination of Alpha-Lipoic Acid and Mirabegron in Women and in Men With ObesityNot yet recruitingNCT05713799Phase 2
• The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy ExpenditureRecruitingNCT05545306Not applicable
• Early Tracking of Childhood Health Determinants (ETCHED) StudyRecruitingNCT03481829
• New Heart Imaging Techniques to Evaluate Possible Heart DiseaseRecruitingNCT01399385Not applicable
• Physical and Behavioral Traits of Overweight and Obese AdultsRecruitingNCT00428987
• Diabetes and Heart Disease Risk in BlacksRecruitingNCT00001853
• Brain Dopamine Function in Human ObesityCompletedNCT03648892Early Phase 1Results posted
• Investigation of the Gut Microbiota in Regulating Nutrient Absorption in HumansCompletedNCT02037295Phase 2Results posted
• Reduced Carbohydrate Versus Fat in Obese SubjectsCompletedNCT00846040Phase 2Results posted
• Diabetes Prevention Program Outcomes StudyCompletedNCT00038727Phase 3Results posted
• Pilot Study of Isocaloric Time Restricted Eating on Ketone Metabolism and ImmunoregulationCompletedNCT06169137Not applicable
• The Impact of the COVID-19 Pandemic on Eating Behavior and Weight ChangeCompletedNCT04896060
• The Physiological Responses and Adaptation of Brown Adipose Tissue to Chronic Treatment With Beta3-Adrenergic Receptor AgonistsCompletedNCT03049462Phase 1
• Study of the Effect of a Very-Low-Carbohydrate Diet on Energy ExpenditureTerminatedNCT01967563
• Lifestyle Interventions for Expectant Mothers (LIFE-Moms Phoenix) - PhoenixCompletedNCT01812694Phase 3
• Identifying Risk for Diabetes and Heart Disease in WomenCompletedNCT01809288
• Energy Expenditure Responses to Different TemperaturesCompletedNCT01568671Not applicable
• Water Deprivation ProtocolCompletedNCT01224704Not applicable
• Type 2 Diabetes and Obesity in Mexican Pimas: Gene-Environment InteractionCompletedNCT01168297
• Molecular and Clinical Profile of Diabetes Mellitus and Its ComplicationsSuspendedNCT01105858
• Effects of Caloric Restriction Alone Versus Postoperative Caloric Restriction Following Bariatric Surgery on Glucose Metabolism in Patients With Diabetes MellitusTerminatedNCT01083108Phase 2
• Vitamin E Pharmacokinetics and Biomarkers in Normal and Obese WomenCompletedNCT00862433Phase 1
• Family Weight Management StudyCompletedNCT00851201Not applicable
• Effects of Brain Stimulation on Food Intake and Behavioral Weight Loss TreatmentActive, not recruitingNCT00739362Phase 2
• Predicting Weight Gain and Weight Loss Associated With Overeating or FastingCompletedNCT00687115Phase 2
• Physical Activity in the Treatment of ObesityCompletedNCT00615238Not applicable
• Effects of Diet Changes on MetabolismCompletedNCT00523627
• Metabolism and Thyroid Hormone Changes During Exposure to Cold TemperaturesCompletedNCT00521729Not applicable
• Effect of Short-Term Beta-Cell Rest in Adolescents and Young Adults With Type 2 Diabetes MellitusCompletedNCT00445627
• Energy Metabolism and Nutrient Absorption in Lean and Obese IndividualsCompletedNCT00414063
• Efficacy of Increasing Physical Activity to Reduce Children's Visceral FatCompletedNCT00359957Phase 1/2
• The Food Intake Phenotype: Assessing Eating Behavior and Food Preferences as Risk Factors for ObesityCompletedNCT00342732
• Cross-Sectional and Longitudinal Studies of "Pre-Diabetes" in the Pima IndiansCompletedNCT00340132
• Chronic Sleep Deprivation as a Risk Factor for Metabolic Syndrome and ObesityTerminatedNCT00261898Phase 2
• Reimbursement Effects on Enrollment in Obesity TreatmentCompletedNCT00250510Not applicable
• Enhanced Internet Behavior Therapy for Treating ObesityCompletedNCT00212238Not applicable
• Effectiveness of Brief Counseling for Weight ManagementCompletedNCT00212199Phase 4
• Obesity Assessment and Education Through the InternetCompletedNCT00149682Phase 2
• Factors Affecting Caloric Regulation in Human FeedingCompletedNCT00108784Not applicable
• Obesity and Fatty Acid Flux Comparison TrialsCompletedNCT00074945
• Low-Dose Leptin and the Formerly-ObeseStatus unknownNCT00073242Phase 3
• The Effects of Overfeeding on Obesity-Prone (OP) and Obesity-Resistant (OR) WomenCompletedNCT00072917
• Diet and Physical Activity Interactions in ObesityCompletedNCT00067964Not applicable
• Evaluation of California's SB 19 Pupil Nutrition ActCompletedNCT00067847Not applicable
• Investigating the Use of Quercetin on Glucose Absorption in Obesity, and Obesity With Type 2 DiabetesCompletedNCT00065676Phase 2
• Strength Training Following Gastric Bypass for ObesityCompletedNCT00065013Phase 2
• Impact of Non-Commercialism Policy in Seattle SchoolsCompletedNCT00063700Not applicable
• Type 2 Diabetes Primary Prevention for At Risk GirlsCompletedNCT00063674Not applicable
• Obesity Prevention in African American School ChildrenCompletedNCT00061165Not applicable
• Strength Training for Obesity PreventionCompletedNCT00030160Phase 2
• Effectiveness of Primary Care Physicians in Delivering Weight Control CounselingCompletedNCT00017706Not applicable
• NEW DAY: Nutrition, Exercise, Weight Loss, Diabetes And YouCompletedNCT00007800Phase 2