| The clinical effect of oral vitamin D2 supplementation on psoriasis: A double-blind, randomized, placebo-controlled study | The clinical effect of oral vitamin D2 supplementation on psoriasis: A double-blind, randomized, placebo-controlled study | TCTR20180613001 |
| Vitamin D for Painful Nocturnal Leg Cramps | Nocturnal Leg Cramps in the Elderly: Randomized Controlled Trial of Ergocalciferol (Vitamin D2) for a Painful and Distressing Problem | NCT00715429 |
| Effects of vitamin D2 supplementation on semen quality in vitamin D-insufficient infertile men: a randomized controlled trial | Effects of vitamin D2 supplementation on semen quality in vitamin D-insufficient infertile men: a randomized controlled trial | TCTR20210804004 |
| A randomized placebo-controlled trial about the effect of UVB-irradiated white button mushrooms (Agaricus bisporus) and a vitamin D2 supplement on the 25(OH)D levels in healthy adults. | A randomized placebo-controlled trial about the effect of UVB-irradiated white button mushrooms (Agaricus bisporus) and a vitamin D2 supplement on the 25(OH)D levels in healthy adults. | DRKS00000195 |
| An investigation of the effect of introducing vitamin D2 enriched mushrooms in the diet | An investigation of the effect of introducing vitamin D2 enriched mushrooms in the diet: a randomised double-blind placebo-controlled dietary intervention study | ISRCTN16158244 |
| Ergocalciferol vs. Cholecalciferol Food Fortification Study | Ergocalciferol (Vitamin D2) vs. Cholecalciferol (Vitamin D3) Food Fortification: Comparative Efficiency in raising 25OHD Status in Caucasian & Asian Women and Mechanisms of Action (D2-D3 Study) | ISRCTN23421591 |
| Comparison of the bioavailability of vitamin D2 and D3 | Comparison of the bioavailability of vitamin D2 and vitamin D3 in healthy volunteers when consumed at different levels in a malt drink | ISRCTN24666304 |
| A comparison of the absorption of Vitamin D with and without pollen | A comparison of the absorption of ergocalciferol with and without pollen: a randomised controlled trial | ISRCTN99745836 |
| DRISK Study | The effect of low dose vitamin D2, provided in a fortified malted milk drink, on cardiovascular RISK | ISRCTN45316882 |
| Evaluation of the Bioavailability of Vitamin D2 in Yeast and Bread | | NCT02720575 |
| Oral supplementation of two different doses of vitamin D2 (Ergocalciferol) in stable preterm infants below 34 weeks gestational age in Queen Sirikit National Institute of Child Health | Oral supplementation of two different doses of vitamin D2 (Ergocalciferol) in stable preterm infants below 34 weeks gestational age in Queen Sirikit National Institute of Child Health | TCTR20230929004 |
| The effects of vitamin D2 supplementation on serum high sensitivity C-reactive protein and metabolic profiles in overweight or obese women with PCOS: a randomized, double-blind, placebo-controlled trial | The effects of vitamin D2 supplementation on serum high sensitivity C-reactive protein and metabolic profiles in overweight or obese women with PCOS: a randomized, double-blind, placebo-controlled trial | TCTR20221206004 |
| Dietary vitamin D supplementation for post- menopausal women | Effect of dietary vitamin D2 supplementation on vitamin D status in post- menopausal women | CTRI/2023/02/049526 |
| The effect of intermittent intramuscular injection of vitamin D2 on the level of vitamin D in human body (VD2-2021) | The effect of Intermittent intramuscular injection of vitamin D2 on the level of vitamin D in human body (VD2-2021) | ChiCTR2300070641 |
| Oral or Intra Muscular Vitamin D2 Vs Oral or Intra Muscular Vitamin D3 in Treatment of Vitamin D Deficiency | Oral or Intra Muscular Vitamin D2 Vs Oral or Intra Muscular Vitamin D3 in Treatment of Vitamin D Deficiency. | NCT06618365 |
| Efficacy of Split-Dose versus Single Dose of Ergocalciferol on Serum 25(OH)D in CAPD Patient: A Randomized Controlled Trial | Efficacy of Split-Dose versus Single Dose of Ergocalciferol on Serum 25(OH)D in CAPD Patient: A Randomized Controlled Trial | TCTR20200821005 |
| Novel versus conventional vitamin D2 supplementation protocol for correcting and retaining hypovitaminosis D after fragility hip fracture: A prospective, randomized, controlled trial | Novel versus conventional vitamin D2 supplementation protocol for correcting and retaining hypovitaminosis D after fragility hip fracture: A prospective, randomized, controlled trial | TCTR20220725002 |
| Optimal Doses of Ergocalciferol Supplementation for Treatment of Hypovitaminosis D in Adults | Optimal Initial and Maintenance Doses of Ergocalciferol Supplementation for Treatment of Hypovitaminosis D in Thai Adults: A Randomized, Double-blinded Dose-comparison Study | NCT03228862 |
| The efficacy and safety of daily oral vitamin D2 in the treatment of vitamin D deficiency in adults(VD2-2022) | The efficacy and safety of daily oral vitamin D2 in the treatment of vitamin D deficiency in adults(VD2-2022) | ChiCTR2500096872 |
| Effect of ergocalciferol supplementation on peritonitis among peritoneal dialysis : a randomized controlled trial. | Effect of ergocalciferol supplementation on peritonitis among peritoneal dialysis : a randomized controlled trial. | TCTR20191109001 |
| Efficacy of split-dosing versus nonsplit-dosing of ergocalciferol on serum 25-hydroxyvitamin D in chronic kidney disease patients | Efficacy of split-dosing versus nonsplit-dosing of ergocalciferol on serum 25-hydroxyvitamin D in chronic kidney disease patients | TCTR20190830003 |
| Comparing bioequivalence of oral cholecalciferol and ergocalciferol treatment for 3 months in Australian hip fracture cases | A three month prospective study of elderly australian hip fracture patients treated with ergocalciferol compared with cholecalciferol therapy: The vitamin D outcome study | ACTRN12608000381381 |
| Vitamin D Deficiency in Chronic Kidney Disease (CKD) Patients | Response of Secondary Hyperparathyroidism to Paricalcitol Versus Ergocalciferol in Patients With Stage 3 and 4 Chronic Kidney Disease With Vitamin D Deficiency: a Randomized Controlled Trial | NCT00958451 |
| A Study of Oral Ergocalciferol to Treat Pruritis in Hemodialysis Patients | A Randomized Prospective, Double-Blind Placebo Controlled Study of Oral Ergocalciferol in the Treatment of Pruritis in Hemodialysis Patients | NCT01114672 |
| Vitamin D Supplement Study for Stage Three and Four Chronic Kidney Disease (CKD) Patients | A Randomized Study to Evaluate the Effectiveness of Cholecalciferol Versus Ergocalciferol Following Kidney Disease Outcomes Quality Initiative (K/DOQI) Guidelines for Vitamin D Therapy in Stages 3 & 4 Chronic Kidney Disease (CKD) Patients | NCT01173848 |
| Study Comparing Two Isoforms of Vitamin D Supplements for Infants | Bio-equivalency Study of the Effects of Vitamin D2 and Vitamin D3 Supplements on 25-hydroxyvitamin D Levels in Exclusively Breast Fed Canadian Infants | NCT01190137 |
| Efficacy of High versus Conventional Dose of Ergocalciferol Supplementation on Serum 25-Hydroxyvitamin D and Interleukin-6 levels in Hemodialysis Patients with Vitamin D Deficiency: Multicenter, Randomized, Controlled Study | Efficacy of High versus Conventional Dose of Ergocalciferol Supplementation onSerum 25-Hydroxyvitamin D and Interleukin-6 levels in Hemodialysis Patients withVitamin D Deficiency: Multicenter, Randomized, Controlled Study | TCTR20200213006 |
| Effects of Ergocalciferol on Erythropoetin Stimulating Agent Dose | Effects of Ergocalciferol on Erythropoetin Stimulating Agent Dose | NCT01263028 |
| Sustainability of Vitamin D Levels After Repletion With Ergocalciferol In Chronic Kidney Disease Stage 5D | Sustainability of 25-hydroxyvitamin D Levels, Inflammatory Reduction, and Endothelial Dysfunction After Repletion With Ergocalciferol in CKD Stage 5D | NCT01312441 |
| Safety and Effects of Supplementation With Ergocalciferol on Erythropoietin Dosing in Hemodialysis Patients | Safety and Effects of Supplementation With Ergocalciferol on Erythropoietin Dosing in Hemodialysis Patients: A Randomized Clinical Trial | NCT01395823 |
| Safety and Bioefficacy of Vitamin D2 and Vitamin D3 | Safety and Bioefficacy of Vitamin D2 and Vitamin D3: Randomized Trial With Human Volunteers | NCT01503216 |
| Ergocalciferol Therapy in Calcidiol Deficient, Hemodialysis Patients on Therapeutic Doses of Paricalcitol | Ergocalciferol Therapy in Calcidiol Deficient, Hemodialysis Patients on Therapeutic Doses of Paricalcitol | NCT02011828 |
| Calcitriol combined with ergocalciferol in CKD with proteinuria | A Double-blind ,randomized,placebo-controlled trial of calcitriol combined with ergocalciferol in CKD with proteinuria | TCTR20140929002 |
| Optimal initial and maintenance doses of ergocalciferol supplementation for treatment of hypovitaminosis D in Thai adults: A randomized, double-blinded dose-comparison study | Optimal initial and maintenance doses of ergocalciferol supplementation for treatment of hypovitaminosis D in Thai adults: A randomized, double-blinded dose-comparison study | TCTR20170226001 |
| Effect of Ergocalciferol on Iron Metabolism in Individuals With Chronic Kidney Disease | Targeting the Interactions Between Disordered Iron Homeostasis and Mineral Metabolism in Chronic Kidney Disease (Aim 1) | NCT03073369 |
| Vitamin D Repletion in Stone Formers With Hypercalciuria | Effect of Ergocalciferol Repletion on Urine Calcium Among Stone Formers With Vitamin D Deficiency and Hypercalciuria | NCT01295879 |
| A Randomized Controlled Trial of Efficacy of Split-dosing versus Nonsplit-dosing of Ergocalciferol on Serum 25-hydroxyvitamin D in Chronic Kidney Disease Patients | A Randomized Controlled Trial of Efficacy of Split-dosing versus Nonsplit-dosing of Ergocalciferol on Serum 25-hydroxyvitamin D in Chronic Kidney Disease Patients | TCTR20200820007 |
| Differential Effects of Ergocalciferol and Cholecalciferol Therapies in Chronic Kidney Disease | Differential Effects of Ergocalciferol and Cholecalciferol Therapies in Chronic Kidney Disease | NCT01835691 |
| The efficacy and safety of daily oral vitamin D2 in the treatment of vitamin D deficiency in adults(VD2-2022) | The efficacy and safety of daily oral vitamin D2 in the treatment of vitamin D deficiency in adults(VD2-2022) | ChiCTR2400079573 |
| Effect of vitamin D2 supplementation on serum adiponectin in Thai obese postmenopausal women with vitamin D insufficiency | Effect of vitamin D2 supplementation on serum adiponectin in Thai obese postmenopausal women with vitamin D insufficiency | TCTR20160427002 |
| Efficacy of Plain Cholecalciferol Tablets vs. Ergocalciferol in Raising Serum Vitamin D Level in Thai Female Healthcare Workers | Efficacy of Plain Cholecalciferol Tablets vs. Ergocalciferol in Raising Serum Vitamin D Level in Thai Female Healthcare Workers | TCTR20221127002 |
| Effectiveness of a six-week treatment course of vitamin D in steady state sickle cell anaemia children with hypovitaminosis | Comparative Effectiveness of six-week treatment course of vitamin D2 and D3 in children with sickle cell anaemia in steady state: A randomized clinical Trial | PACTR201803003160262 |
| Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena? | Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena? A Randomized Controlled Trial | NCT03035084 |
| Optimizing Treatment Programs for Chronic Kidney Disease-mineral and Bone Disorder and Malnutrition | Study of Vitamin D2 Virus 1,25(OH)2-Vitamin D3 and Normal Protein Diet Virus Low Protein Diet in the Treatment of CKD-MBD and Malnutrition for Progressive CKD Patients | NCT02005302 |
| Effect of Vitamin D2 and Vitamin D3 on serum 25-hydroxyvitamin D and parathyroid concentrations in healthy adult participants | Effect of vitamin D2 and vitamin D3 supplementation on serum 25-hydroxyvitamin D and parathyroid concentrations in healthy adult participants | ACTRN12609000273280 |
| Pilot Study: The Effect of Ergocalciferol on Plasma Mucin-1 Levels | Study of the Effect of Ergocalciferol on Plasma and Urinary Mucin-1 Levels in Healthy Individuals and Individuals With Autosomal Dominant Tubulo-Interstitial Kidney Disease Due to MUC1 Mutations (ADTKD-MUC1) | NCT03747523 |
| A randomized, double blind, placebo controlled, phase II, multi-centre pilot study to investigate the effects of vitamin D2 or D3 supplementation on metabolic parameters in people at risk of type 2 diabetes. - Vitamin D Supplementation in People at Risk of Type 2 Diabetes V1.3 | A randomized, double blind, placebo controlled, phase II, multi-centre pilot study to investigate the effects of vitamin D2 or D3 supplementation on metabolic parameters in people at risk of type 2 diabetes. - Vitamin D Supplementation in People at Risk of Type 2 Diabetes V1.3 | EUCTR2009-011264-11-GB |
| Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom | Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom | NCT01488734 |
| Availability of Vitamin D in Orange Juice | Bioavailability of Vitamin D2 and Vitamin D3 in Supplements Compared to Vitamin D3 and Vitamin D2 in Fortified Orange Juice | NCT01778114 |