Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • About
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Ergocalciferol”

43 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 43 results

Not applicableStudy completedNCT01835691
What this trial is testing

Differential Effects of Ergocalciferol and Cholecalciferol Therapies in Chronic Kidney Disease

Who this might be right for
Chronic Kidney Disease
University of Kansas Medical Center 44
Post-approval studies (Phase 4)WithdrawnNCT00502268
What this trial is testing

Vitamin D and Carboxy PTH Fragments in Coronary Calcification

Who this might be right for
Coronary CalcificationEndstage Renal DiseaseParathyroid Hormone
Southeast Renal Research Institute
Not applicableNot Yet RecruitingNCT07366450
What this trial is testing

High-Dose vs Standard Ergocalciferol for Vitamin D Normalization in Aggressive Non-Hodgkin Lymphoma

Who this might be right for
Vitamin D 25-Hydroxylase DeficiencyLymphoma Non-Hodgkin
Phramongkutklao College of Medicine and Hospital 52
Post-approval studies (Phase 4)Study completedNCT01295879
What this trial is testing

Vitamin D Repletion in Stone Formers With Hypercalciuria

Who this might be right for
NephrolithiasisUrolithiasisIdiopathic Hypercalciuria+2 more
New York Presbyterian Hospital 30
Not applicableUnknownNCT05673980
What this trial is testing

Oral Vitamin D2 for Prevention of COVID-19

Who this might be right for
Healthy Volunteers
Peking University Third Hospital 218
Not applicableStudy completedNCT01825616
What this trial is testing

Vitamin D2, Muscle Damage, NASCAR Pitcrew

Who this might be right for
Muscle FunctionMuscle SorenessVitamin D Status
Appalachian State University 33
Not applicableStudy completedNCT02525003
What this trial is testing

The BreaD Study - Bio-availability of D2 Vitamin Present in Bread

Who this might be right for
Serum 25-hydroxyvitamin D Concentrations (25OHD)
University of Helsinki 41
Not applicableStudy completedNCT01170494
What this trial is testing

Effect of Vitamin D Oral Supplements on 25 OH Vitamin D Levels

Who this might be right for
Vitamin D Deficiency
King Faisal Specialist Hospital & Research Center 279
Large-scale testing (Phase 3)Study completedNCT01190137
What this trial is testing

Study Comparing Two Isoforms of Vitamin D Supplements for Infants

Who this might be right for
Healthy
McGill University 52
Not applicableStudy completedNCT01139840
What this trial is testing

Relative Efficacy of Vitamins D2 and D3 in Adult Humans

Who this might be right for
Healthy
Creighton University 32
Post-approval studies (Phase 4)UnknownNCT03228862
What this trial is testing

Optimal Doses of Ergocalciferol Supplementation for Treatment of Hypovitaminosis D in Adults

Who this might be right for
Vitamin D2 Supplementation in Vitamin D Insufficiency
Chulalongkorn University 360
Not applicableStudy completedNCT05434377
What this trial is testing

Fixed Dose Versus Serum Level-Based Titration Regimen of Vitamin D Supplementation in Dialysis Patients

Who this might be right for
Vitamin D DeficiencyEnd Stage Renal Disease
Chulalongkorn University 78
Post-approval studies (Phase 4)Ended earlyNCT02435771
What this trial is testing

Efficacy Of Ergocalciferol In Adults According To BMI

Who this might be right for
ObesityVitamin D Deficiency
Walter Reed National Military Medical Center 44
Post-approval studies (Phase 4)Study completedNCT01395823
What this trial is testing

Safety and Effects of Supplementation With Ergocalciferol on Erythropoietin Dosing in Hemodialysis Patients

Who this might be right for
End Stage Renal Disease
Dialysis Clinic, Inc. 470
Not applicableStudy completedNCT03743922
What this trial is testing

The Effects of Vitamin D2 Supplement During Pregnancy

Who this might be right for
Pregnancy Early
Department of Medical Services Ministry of Public Health of Thailand 60
Not applicableStudy completedNCT01778114
What this trial is testing

Availability of Vitamin D in Orange Juice

Who this might be right for
Vitamin D Deficiency
Boston University 86
Not applicableStudy completedNCT01488734
What this trial is testing

Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom

Who this might be right for
Vitamin D DeficiencyMetabolic SyndromePrediabetes
Icahn School of Medicine at Mount Sinai 47
Early research (Phase 1)Study completedNCT00538720
What this trial is testing

Effects of Vitamin D Replacement in Patients With Primary Hyperparathyroidism (PHPT)

Who this might be right for
Hyperparathyroidism
M.D. Anderson Cancer Center 22
Not applicableUnknownNCT01662193
What this trial is testing

Effects of Vitamin D and Calcium Supplementation on Inflammatory Biomarkers and Adypocytokines in Diabetic Patients

Who this might be right for
Nutritional and Metabolic Disease
Isfahan University of Medical Sciences 120
Post-approval studies (Phase 4)Study completedNCT03035084
What this trial is testing

Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena?

Who this might be right for
Vitamin D Deficiency25-Hydroxyvitamin D Concentration
King Faisal Specialist Hospital & Research Center 100
Load More Results