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898 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 Topical Delivery of Vitamin D3 as Vitamin D Supplementation
Condition: Vitamin D Deficiency
Intervention: Drug: topical vitamin D3 in intervention group
9 Recruiting Vitamin D Supplementation in Patients With COPD
Condition: Chronic Obstructive Pulmonary Disease
Interventions: Drug: Vitamin D;   Drug: Placebo
10 Not yet recruiting Oral Vitamin D Treatment for the Prevention of Hepatocellular Carcinoma
Conditions: Hepatitis B;   Carcinoma, Hepatocellular
Intervention: Drug: Vitamin D3
11 Not yet recruiting Supplementation of Vitamin D in Patients With Type 2 Diabetes and Hypertension
Condition: Hypertension
Interventions: Dietary Supplement: supplementation of 100.000 IU of vitamin D3;   Dietary Supplement: placebo pill
12 Recruiting Allergic Rhinitis, Immunotherapy and Vitamin d
Condition: Allergy
Interventions: Drug: Vitamin D3;   Drug: placebo
13 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
14 Recruiting Vitamin D Levels Following Topical Application of Vitamin D Ointment
Condition: Vitamin D Deficiency
Intervention: Drug: Vitamin D3
15 Recruiting High Dose Vitamin D Study
Condition: Colorectal Cancer
Intervention: Drug: Vitamin D
16 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
17 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
18 Recruiting Vitamin D Supplementation in Older Adults With Urinary Incontinence
Conditions: Urinary Incontinence;   Vitamin D Deficiency
Interventions: Dietary Supplement: Vitamin D;   Other: Placebo
19 Recruiting Effects of Vitamin D Insufficiency in Man
Condition: Vitamin D Deficiency
Interventions: Dietary Supplement: Vitamin D2;   Dietary Supplement: Vitamin D3
20 Recruiting Vitamin E Supplementation in Burned Patients
Condition: Burn
Intervention: Drug: Vitamin E (dl-Alpha Tocopheryl)

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