Clinical Trials Browser

Observational × Vitamin D Deficiency × Clear all

NCT04615988 2026-03-27

Correlation Vitamin D Level to Endocrine Autoimmune Toxicity Due to Immune Checkpoint Inhibitors

Neoplasms, Thyroid Diseases, Vitamin D Deficiency

NCT06970821 2025-09-18

Association of Vitamin D Status With Metabolic Markers in Adolescents With Polycystic Ovary Syndrome

Insulin Resistance, Polycystic Ovary Syndrome, Vitamin D Deficiency

NCT06551688 2025-05-06

Influence of Preoperative Vitamin D Level on Postoperative Pain in Breast Cancer Surgery Patients

Breast Neoplasms, Pain, Postoperative, Vitamin D Deficiency

NCT05151393 2021-12-09

Correlation Between Serum Vitamin D3 and Incidence of Uterine Leiomyoma

Leiomyoma, Vitamin D Deficiency

NCT04030182 2021-11-08

Vitamin D Deficit in Women With Uterine Fibroids

Leiomyoma, Vitamin D Deficiency

NCT03652987 2021-05-25

EMDPCOS

Insulin Resistance, Obesity, Polycystic Ovary Syndrome, Vitamin D Deficiency

NCT03594214 2021-02-10

Prognostic Value of Vitamin D Levels in Egyptian Females With Breast Cancer

Breast Neoplasms, Vitamin D Deficiency

NCT04389424 2020-05-15

NUTRIBREAST

Breast Neoplasms, Nutrition Disorders, Obesity, Vitamin D Deficiency

NCT03871868 2019-03-14

Vitamin D Levels And Myoma Uteri

Polycystic Ovary Syndrome, Vitamin D Deficiency, Myofibroma

NCT03330301 2017-11-06

D-tect

222,776 enrolled

Arthritis, Asthma, Mental Disorders, Birth Weight, Diabetes Mellitus, Congenital, Hereditary, and Neonatal Diseases and Abnormalities, Neoplasms, Obesity, Pre-Eclampsia, Pregnancy Complications, Tooth Diseases, Vitamin D Deficiency, Fractures, Bone

NCT02803476 2016-06-17

Is There Association Between Vitamin D Levels And Insulin Resistance In Polycystic Ovary Syndrome?

Insulin Resistance, Polycystic Ovary Syndrome, Vitamin D Deficiency

NCT01817231 2013-03-25

Epidemiological Analysis of Vitamin D and Breast Cancer Risk in Saudi Arabian Women

Breast Neoplasms, Vitamin D Deficiency