Clinical Trials Logo

Clinical Trial Summary

The goal of the Vitamin D and type 2 diabetes (D2d) study is to determine if vitamin D supplementation works to delay the onset of type 2 diabetes in people at risk for the disease and to gain a better understand how vitamin D affects glucose (sugar) metabolism.


Clinical Trial Description

The goal of the Vitamin D and type 2 diabetes (D2d) study is to determine if vitamin D supplementation works to delay the onset of type 2 diabetes in people at risk for the disease and to gain a better understand how vitamin D affects glucose (sugar) metabolism. Researchers at US sites will enroll people with pre-diabetes (people who have higher than normal blood glucose level but not high enough to meet the diagnosis of diabetes). The study will enroll participants over approximately 2 years and participants will be followed for approximately 3 years. Participants will receive either Vitamin D or a placebo by chance. Participants will take 1 pill a day for the duration of the study. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT01942694
Study type Interventional
Source Tufts Medical Center
Contact
Status Completed
Phase N/A
Start date October 2013
Completion date November 2018

See also
  Status Clinical Trial Phase
Completed NCT05219994 - Targeting the Carotid Bodies to Reduce Disease Risk Along the Diabetes Continuum N/A
Completed NCT04056208 - Pistachios Blood Sugar Control, Heart and Gut Health Phase 2
Completed NCT02284893 - Study to Evaluate the Efficacy and Safety of Saxagliptin Co-administered With Dapagliflozin in Combination With Metformin Compared to Sitagliptin in Combination With Metformin in Adult Patients With Type 2 Diabetes Who Have Inadequate Glycemic Control on Metformin Therapy Alone Phase 3
Completed NCT04274660 - Evaluation of Diabetes and WELLbeing Programme N/A
Active, not recruiting NCT05887817 - Effects of Finerenone on Vascular Stiffness and Cardiorenal Biomarkers in T2D and CKD (FIVE-STAR) Phase 4
Active, not recruiting NCT05566847 - Overcoming Therapeutic Inertia Among Adults Recently Diagnosed With Type 2 Diabetes N/A
Recruiting NCT06007404 - Understanding Metabolism and Inflammation Risks for Diabetes in Adolescents
Completed NCT04965506 - A Study of IBI362 in Chinese Patients With Type 2 Diabetes Phase 2
Recruiting NCT06115265 - Ketogenic Diet and Diabetes Demonstration Project N/A
Active, not recruiting NCT03982381 - SGLT2 Inhibitor or Metformin as Standard Treatment of Early Stage Type 2 Diabetes Phase 4
Completed NCT04971317 - The Influence of Simple, Low-Cost Chemistry Intervention Videos: A Randomized Trial of Children's Preferences for Sugar-Sweetened Beverages N/A
Completed NCT04496154 - Omega-3 to Reduce Diabetes Risk in Subjects With High Number of Particles That Carry "Bad Cholesterol" in the Blood N/A
Completed NCT04023539 - Effect of Cinnamomum Zeylanicum on Glycemic Levels of Adult Patients With Type 2 Diabetes N/A
Recruiting NCT05572814 - Transform: Teaching, Technology, and Teams N/A
Enrolling by invitation NCT05530356 - Renal Hemodynamics, Energetics and Insulin Resistance: A Follow-up Study
Completed NCT04097600 - A Research Study Comparing Active Drug in the Blood in Healthy Participants Following Dosing of the Current and a New Formulation (D) Semaglutide Tablets Phase 1
Completed NCT03960424 - Diabetes Management Program for Hispanic/Latino N/A
Completed NCT05378282 - Identification of Diabetic Nephropathy Biomarkers Through Transcriptomics
Active, not recruiting NCT06010004 - A Long-term Safety Study of Orforglipron (LY3502970) in Participants With Type 2 Diabetes Phase 3
Completed NCT03653091 - Safety & Effectiveness of Duodenal Mucosal Resurfacing (DMR) Using the Revita™ System in Treatment of Type 2 Diabetes N/A