insufficient or deficient serum vitamin D levels
Showing 1 - 25 of >10,000
Vitamin D Deficiency Trial in Jakarta Pusat (Cholecalciferol)
Active, not recruiting
- Vitamin D Deficiency
-
Jakarta Pusat, DKI Jakarta, IndonesiaCipto Mangunkusumo National Center General Hospital
Sep 22, 2023
Vitamin D Deficiency, Vitamin D Insufficiency Trial in Boston (UVB treatment)
Completed
- Vitamin D Deficiency
- Vitamin D Insufficiency
- UVB treatment
-
Boston, MassachusettsGeneral Clinical Research Unit (GCRU) BU School of Medicine
Dec 2, 2022
Vitamin D Deficiency, Vitamin D Insufficiency Trial in Boston (UVB treatment, Sham comparator)
Recruiting
- Vitamin D Deficiency
- Vitamin D Insufficiency
- UVB treatment
- Sham comparator
-
Boston, MassachusettsBU School of Medicine
Mar 28, 2022
Vitamin D Serum Level and Early Implant Failure
Completed
- Endosseous Dental Implant Failure
- dental implants were placed for all cases while assessing vitamin D levels
-
Cairo, EgyptFaculty of dentistry Ain Shams University
Jul 20, 2023
Correlation Between Serum 25(OH)D Level and Pregnancy Outcome
Recruiting
- Vitamin D Deficiency
- +2 more
- Serum levels of vitamin D
-
Shanghai, Shanghai, ChinaRenji Hospital Affiliated to Shanghai Jiao Tong University Schoo
Apr 21, 2023
Hypovitaminosis D Trial in Bari (Vitamin D)
Recruiting
- Hypovitaminosis D
- Vitamin D
-
Bari, ItalyUniversity of Bari
Nov 16, 2023
Vitamin D, HbA1c and Vitamin B12 Levels in Patients
Completed
- Serum HbA1c and Vitamin D, Vitamin B12 Values in Periodontal Diseases
- HbA1c, Vitamin D, Vitamin B12
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Niğde, TurkeyNigde Omer Halisdemir University, Dentistry Faculty, Periodontol
Feb 23, 2023
Does Intravenous Iron Therapy Decrease Serum Phosphorous Levels?
Completed
- Chronic Renal Failure
- non interventional
-
Afula, IsraelHaemek medical center
Aug 8, 2022
Vitamin D Deficiency Trial in Warszawa (Cholecalciferol 120 000 IU)
Completed
- Vitamin D Deficiency
- Cholecalciferol 120 000 IU
-
Warszawa, PolandDepartment of Endocrinology, Centre of Postgraduate Medical Educ
Oct 19, 2022
Challenges in Achieving Adequate Vitamin D Status in Adult
Enrolling by invitation
- Vitamin D Serum Levels
- Screening tool for vitamin D deficiency
-
Ljubljana, SloveniaNutrition Institute, Ljubljana
Dec 13, 2022
Nutritional Status of Women Undergoing in Vitro Fertilization
Recruiting
- IVF
- +4 more
-
Ljubljana, Slovenia
- +1 more
May 9, 2023
Premature Infants Trial in Houston (Vitamin D, Placebo)
Active, not recruiting
- Premature Infants
- Vitamin D
- Placebo
-
Houston, TexasBaylor College of Medicine / Texas Children's Hospital
Oct 6, 2022
Vitamin D Deficiency, Rotator Cuff Tears Trial in Ventura (Vitamin D3 supplementation, Placebo)
Not yet recruiting
- Vitamin D Deficiency
- Rotator Cuff Tears
- Vitamin D3 supplementation
- Placebo
-
Ventura, California
- +1 more
Aug 16, 2021
Ankle Arthrodesis, MTP Arthrodesis Trial in Charleston, Columbia (Vitamin D3)
Enrolling by invitation
- Ankle Arthrodesis
- MTP Arthrodesis
- Vitamin D3
-
Charleston, South Carolina
- +1 more
Apr 21, 2022
Vitamin D Deficiency, Cystic Fibrosis, Bone Density, Low Trial in Mexico City (Cholecalciferol Pill)
Recruiting
- Vitamin D Deficiency
- +5 more
- Cholecalciferol Pill
-
Mexico City, MexicoHospital Infantil de México Federico Gómez
Mar 2, 2022
Otolin-1 and Vitamin D in Pre- and Post-treatments of BPPV
Recruiting
- Benign Paroxysmal Positional Vertigo
-
Chiang Mai, ThailandDepartment of Otolaryngology Faculty of Medicine, Chiang Mai Uni
Jul 5, 2022
Cytokine Storm Trial in Amman (Vitamin D3)
Completed
- Cytokine Storm
- Vitamin D3
-
Amman, JordanMahmoud S Abu-Samak
Feb 23, 2022
Critically Ill Patients Undergoing Regional Citrate
Completed
- Multi Organ Failure
- Acute Kidney Injury
- biospecimen retention
-
Opole, Silesia, Poland
- +1 more
Dec 28, 2021
Asthma in Children Trial in Tanta (Vit D)
Completed
- Asthma in Children
- Vit D
-
Tanta, EgyptTanta university
Dec 9, 2021
Obesity, Vitamin D3 Deficiency Trial in Rio de Janeiro (Vitamin D3 + K2-MK7, Placebo, Vitamin D3)
Recruiting
- Obesity
- Vitamin D3 Deficiency
- Vitamin D3 + K2-MK7
- +2 more
-
Rio de Janeiro, BrazilRio de Janeiro State University
Jan 10, 2023
Pityriasis Alba Trial in Tashkent (Detection of Plasma levels of 25(OH) vitamin D by ELISA technique, Detection of Total serum
Active, not recruiting
- Pityriasis Alba
- Detection of Plasma levels of 25(OH) vitamin D by ELISA technique
- Detection of Total serum immunoglobulin E by ELISA technique
-
Tashkent, Uchtepa, UzbekistanResearch institute of epidemiology, microbiology and infectious
Sep 13, 2021
Polycystic Ovary Syndrome Trial in Cairo (Vitamin D Levels measurement using chemiluminescent assay, Vitamin D level assessment)
Completed
- Polycystic Ovary Syndrome
- Vitamin D Levels measurement using chemiluminescent assay
- Vitamin D level assessment
-
Cairo, EgyptMisr Al Gadida Military hospital
Oct 21, 2021
Vitamin D,Calcium and Magnesium in Preschool Recurrent Wheezers
Recruiting
- Recurrent Wheezes
-
Sohag, EgyptSohag university
Sep 14, 2021
Vitamin D and Serum Calcium Level Insufficiency and Early Dental
Recruiting
- Vitamin D Deficiency
- Dental Implant Failure Nos
- Vitamin D and calcium levels
-
Cairo, Abbassia, Egypt
- +1 more
May 26, 2021
Aggressive Non-Hodgkin Lymphoma, Anaplastic Large Cell Lymphoma, Angioimmunoblastic T-Cell Lymphoma Trial in United States
Active, not recruiting
- Aggressive Non-Hodgkin Lymphoma
- +14 more
- Cholecalciferol
- Laboratory Biomarker Analysis
-
Scottsdale, Arizona
- +4 more
Jan 16, 2023