Evaluating the Effect of Solius UV Light Source in Improving Vitamin D Status
Conditions:   Vitamin D Deficiency;   Vitamin D Insufficiency Interventions:   Device: UVB treatment;   Device: Sham comparator Sponsor:   Michael F. Holick Not yet recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 4, 2021 Category: Research Source Type: clinical trials

Vitamin D Estimation With Giardia Lamblia Infections
Condition:   Giardia Lamblia Infection Intervention:   Sponsor:   Sohag University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Modulation of Endothelial Dysfonction Using Vitamin C in Septic Shock Patients
Condition:   Septic Shock Intervention:   Sponsor:   Assistance Publique - Hôpitaux de Paris Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.
Conditions:   Hashimoto Disease;   Treatment Levothyroxine;   Vitamin D Deficiency Interventions:   Dietary Supplement: Vitamin D-correction;   Dietary Supplement: Vitamin D-RDA Sponsor:   Universidad de Valparaiso Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Vitamin D Estimation With Giardia Lamblia Infections
Condition:   Giardia Lamblia Infection Intervention:   Sponsor:   Sohag University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.
Conditions:   Hashimoto Disease;   Treatment Levothyroxine;   Vitamin D Deficiency Interventions:   Dietary Supplement: Vitamin D-correction;   Dietary Supplement: Vitamin D-RDA Sponsor:   Universidad de Valparaiso Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Modulation of Endothelial Dysfonction Using Vitamin C in Septic Shock Patients
Condition:   Septic Shock Intervention:   Sponsor:   Assistance Publique - Hôpitaux de Paris Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Vitamin D Estimation With Giardia Lamblia Infections
Condition:   Giardia Lamblia Infection Intervention:   Sponsor:   Sohag University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Modulation of Endothelial Dysfonction Using Vitamin C in Septic Shock Patients
Condition:   Septic Shock Intervention:   Sponsor:   Assistance Publique - Hôpitaux de Paris Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.
Conditions:   Hashimoto Disease;   Treatment Levothyroxine;   Vitamin D Deficiency Interventions:   Dietary Supplement: Vitamin D-correction;   Dietary Supplement: Vitamin D-RDA Sponsor:   Universidad de Valparaiso Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Vitamin D Estimation With Giardia Lamblia Infections
Condition:   Giardia Lamblia Infection Intervention:   Sponsor:   Sohag University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.
Conditions:   Hashimoto Disease;   Treatment Levothyroxine;   Vitamin D Deficiency Interventions:   Dietary Supplement: Vitamin D-correction;   Dietary Supplement: Vitamin D-RDA Sponsor:   Universidad de Valparaiso Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Modulation of Endothelial Dysfonction Using Vitamin C in Septic Shock Patients
Condition:   Septic Shock Intervention:   Sponsor:   Assistance Publique - Hôpitaux de Paris Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - March 3, 2021 Category: Research Source Type: clinical trials

Temporal Profile of Serum Vitamin D Levels in Foot and Ankle Fusion Surgery
Conditions:   Ankle Arthrodesis;   MTP Arthrodesis Intervention:   Drug: Vitamin D3 Sponsors:   Prisma Health-Midlands;   Medical University of South Carolina Enrolling by invitation (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 26, 2021 Category: Research Source Type: clinical trials

Randomized Controlled Clinical Trial to Investigate Effects of Vitamin K2 in COVID-19
Condition:   Covid19 Interventions:   Dietary Supplement: Vitamin K2 in the form of Menaquinone-7 (MK-7);   Dietary Supplement: Placebo Sponsors:   Canisius-Wilhelmina Hospital;   Kappa Bioscience Not yet recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 25, 2021 Category: Research Source Type: clinical trials

Randomized Controlled Clinical Trial to Investigate Effects of Vitamin K2 in COVID-19
Condition:   Covid19 Interventions:   Dietary Supplement: Vitamin K2 in the form of Menaquinone-7 (MK-7);   Dietary Supplement: Placebo Sponsors:   Canisius-Wilhelmina Hospital;   Kappa Bioscience Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 25, 2021 Category: Research Source Type: clinical trials

12 Weeks Vitamin D Supplementation and Physical Activity in PD Patients With DBS
Conditions:   Vitamin D Deficiency;   Parkinson Disease Interventions:   Drug: Juvit D3;   Behavioral: steps per day;   Drug: Placebo Sponsor:   Medical University of Gdansk Enrolling by invitation (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

Low and High Doses of Prophylactic Vitamin D in Prevention of Osteopenia of Prematurity
Condition:   Osteopenia of Prematurity Interventions:   Drug: Low Dose Vitamin D;   Drug: High Dose Vitamin D Sponsor:   Alexandria University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

12 Weeks Vitamin D Supplementation and Physical Activity in PD Patients With DBS
Conditions:   Vitamin D Deficiency;   Parkinson Disease Interventions:   Drug: Juvit D3;   Behavioral: steps per day;   Drug: Placebo Sponsor:   Medical University of Gdansk Enrolling by invitation (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

Low and High Doses of Prophylactic Vitamin D in Prevention of Osteopenia of Prematurity
Condition:   Osteopenia of Prematurity Interventions:   Drug: Low Dose Vitamin D;   Drug: High Dose Vitamin D Sponsor:   Alexandria University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

12 Weeks Vitamin D Supplementation and Physical Activity in PD Patients With DBS
Conditions:   Vitamin D Deficiency;   Parkinson Disease Interventions:   Drug: Juvit D3;   Behavioral: steps per day;   Drug: Placebo Sponsor:   Medical University of Gdansk Enrolling by invitation (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

Low and High Doses of Prophylactic Vitamin D in Prevention of Osteopenia of Prematurity
Condition:   Osteopenia of Prematurity Interventions:   Drug: Low Dose Vitamin D;   Drug: High Dose Vitamin D Sponsor:   Alexandria University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

12 Weeks Vitamin D Supplementation and Physical Activity in PD Patients With DBS
Conditions:   Vitamin D Deficiency;   Parkinson Disease Interventions:   Drug: Juvit D3;   Behavioral: steps per day;   Drug: Placebo Sponsor:   Medical University of Gdansk Enrolling by invitation (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

Low and High Doses of Prophylactic Vitamin D in Prevention of Osteopenia of Prematurity
Condition:   Osteopenia of Prematurity Interventions:   Drug: Low Dose Vitamin D;   Drug: High Dose Vitamin D Sponsor:   Alexandria University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

12 Weeks Vitamin D Supplementation and Physical Activity in PD Patients With DBS
Conditions:   Vitamin D Deficiency;   Parkinson Disease Interventions:   Drug: Juvit D3;   Behavioral: steps per day;   Drug: Placebo Sponsor:   Medical University of Gdansk Enrolling by invitation (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

Low and High Doses of Prophylactic Vitamin D in Prevention of Osteopenia of Prematurity
Condition:   Osteopenia of Prematurity Interventions:   Drug: Low Dose Vitamin D;   Drug: High Dose Vitamin D Sponsor:   Alexandria University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

12 Weeks Vitamin D Supplementation and Physical Activity in PD Patients With DBS
Conditions:   Vitamin D Deficiency;   Parkinson Disease Interventions:   Drug: Juvit D3;   Behavioral: steps per day;   Drug: Placebo Sponsor:   Medical University of Gdansk Enrolling by invitation (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

Low and High Doses of Prophylactic Vitamin D in Prevention of Osteopenia of Prematurity
Condition:   Osteopenia of Prematurity Interventions:   Drug: Low Dose Vitamin D;   Drug: High Dose Vitamin D Sponsor:   Alexandria University Recruiting (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 24, 2021 Category: Research Source Type: clinical trials

Effect of Maternal Vitamin D3 Supplementation on Iron Status During Pregnancy and Early Infancy
Condition:   Pregnancy Interventions:   Dietary Supplement: Placebo;   Dietary Supplement: Vitamin D3 (cholecalciferol) Sponsors:   The Hospital for Sick Children;   International Centre for Diarrhoeal Disease Research, Bangladesh;   Bill and Melinda Gates Foundation Completed (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 21, 2021 Category: Research Source Type: clinical trials