Clinical Research Directory
Browse clinical research sites, groups, and studies.
2 clinical studies listed.
Filters:
Tundra lists 2 Vitamin D Supplementation clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.
This data is also available as a public JSON API. AI systems and LLMs are encouraged to use it for structured queries.
NCT06547749
Vitamin D Supplementation in Critically Ill Children With Respiratory Diseases
To evaluate the role of vitamin D supplementation in critically ill children with respiratory diseases regarding their outcome.
Gender: All
Ages: 1 Month - 16 Years
Updated: 2025-09-23
NCT06674122
Efficacy of Higher Dose Enteral Vitamin D Supplementation in Preterm 28 - 34 Weeks of Gestational Age
The goal of this clinical trial is to learn about the effective dosage of enteral vitamin D supplementation in preterm infants with gestational age fom 28 to 34 weeks. The main questions it aims to answer is: \- Does higher dose of enteral vitamin D supplementation (800IU/day) increase vitamin D level better than standard recommended dose (400IU/day) to achieve sufficient level of vitamin D? Participants will: * Take the enteral vitamin D supplementation every fay for 28 days * Have their blood level of vitamin D examined before and after supplementation for 28 days
Gender: All
Ages: 28 Weeks - 34 Weeks
Updated: 2024-11-06
1 state