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907 studies found for:    Open Studies | vitamins
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Rank Status Study
1 Recruiting A Randomized Control Trial of Vitamin D Prophylaxis in the Prevention of Hypertensive Disorders of Pregnancy
Conditions: Gestational Hypertension;   Toxemia;   Superimposed Preeclampsia;   Eclampsia;   HELLP Syndrome
Intervention: Drug: Vitamin D3
2 Recruiting Vitamin D Supplementations and Postoperative Pain
Condition: Postoperative Pain
Interventions: Drug: Vitamin D;   Drug: Placebo
3 Recruiting Study to Identify Transcriptional Targets of Vitamin D in Patients With Stage I-III Colon Cancer or Resectable Colon Cancer Liver Metastases Receiving Preoperative Vitamin D Supplementation.
Conditions: Stage, Colon Cancer;   Stage I-III Colon Cancer;   Stage IV Colon Cancer With Resectable Liver Metastases
Intervention: Drug: Vitamin D3
4 Recruiting Vitamin K Supplementation in Patients on Hemodialysis
Conditions: End Stage Renal Failure on Dialysis;   Atrial Fibrillation
Intervention: Drug: vitamin K1
5 Recruiting Vitamin D, Insulin Resistance, and Cardiovascular Disease
Conditions: Vitamin D Deficiency;   Insulin Resistance;   Type 2 Diabetes Mellitus;   Cardiovascular Disease;   Hypertension
Interventions: Drug: Vitamin D3;   Drug: Placebo
6 Recruiting Effect of Vitamin C on Postoperative Pain After Laparoscopic Cholecystectomy
Conditions: Chronic Cholecystitis;   Cholelithiasis
Interventions: Drug: Vitamin C;   Drug: Placebo
7 Not yet recruiting Vitamin D in the Treatment of Primary Restless Legs Syndrome
Condition: Restless Legs Syndrome
Intervention: Drug: Vitamin D
8 Recruiting Vitamin D Supplementation in Patients With COPD
Condition: Chronic Obstructive Pulmonary Disease
Interventions: Drug: Vitamin D;   Drug: Placebo
9 Not yet recruiting Oral Vitamin D Treatment for the Prevention of Hepatocellular Carcinoma
Conditions: Hepatitis B;   Carcinoma, Hepatocellular
Intervention: Drug: Vitamin D3
10 Recruiting Vitamin A Replacement in Patients Undergoing HSCT and Its Role on MBI-LCBI Rates
Condition: Hematopoietic Stem Cell Transplant
Intervention: Dietary Supplement: Vitamin A
11 Recruiting Allergic Rhinitis, Immunotherapy and Vitamin d
Condition: Allergy
Interventions: Drug: Vitamin D3;   Drug: placebo
12 Recruiting Follow-up Study With Clinical Vitamin D Supplementation Trial on Patients With Depression (DepFuD)
Conditions: Depression;   Depressive Disorder
Interventions: Dietary Supplement: Vitamin D 10 micrograms;   Dietary Supplement: Vitamin D 100 micrograms
13 Recruiting Topical Delivery of Vitamin D3 as Vitamin D Supplementation
Condition: Vitamin D Deficiency
Intervention: Drug: topical vitamin D3 in intervention group
14 Recruiting Vitamin D Levels Following Topical Application of Vitamin D Ointment
Condition: Vitamin D Deficiency
Intervention: Drug: Vitamin D3
15 Recruiting Can Vitamin D Supplementation in Infants Prevent Food Allergy in the First Year of Life? The VITALITY Trial
Condition: Food Allergy
Interventions: Drug: Vitamin D;   Drug: placebo
16 Recruiting Vitamin D Deficiency and Dysautonomia
Conditions: Vitamin D Deficiency;   Orthostatic Intolerance;   Nausea
Intervention: Dietary Supplement: vitamin D supplement
17 Not yet recruiting Vitamin D Supplementation and Neurocognition
Conditions: Vitamin D Deficiency;   Neurocognitive Dysfunction
Intervention: Drug: Vitamin D
18 Recruiting An Evaluation of the Effect of Vitamin D Supplementation on the Cognitive Function of Older Subjects With Low Levels of This Vitamin
Condition: VITAMIN D DEFICIENCY
Intervention: Drug: Vitamin D
19 Recruiting Postoperative Pain After Intravenous Vitamin C Injection for Arthroscopic Rotator Cuff Repair
Condition: Rotator Cuff Tear
Interventions: Drug: Intravenous Nutrition (Vitamins) injection;   Drug: Intravenous Saline injection
20 Recruiting Effects of Vitamin D Insufficiency in Man
Condition: Vitamin D Deficiency
Interventions: Dietary Supplement: Vitamin D2;   Dietary Supplement: Vitamin D3

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Study has passed its completion date and status has not been verified in more than two years.