LL-37
Cathelicidin, hCAP-18, FALL-39, CAP-18
An antimicrobial peptide of the cathelicidin family that provides innate immune defense by killing pathogens and modulating inflammation and wound healing.
Completed
NA
NCT01399151
Assessment of Vitamin D Supplementation and Immune Function
USDA, Western Human Nutrition Research Center
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE2
NCT01838447
Prevention of Vitamin D Deficiency Following Pediatric CHD Surgery: a Phase II Dose Evaluation Randomized Controlled Trial Comparing Usual Care With a High Dose Pre-operative Supplementation Regimen Based on the Institute of Medicine Daily Upper Tolerable Intake Level
Children's Hospital of Eastern Ontario
INTERVENTIONAL
Updated Dec 15, 2025
Not Yet Recruiting
NCT07280754
Evaluation of 25(OH)D3 and LL-37 Levels in Periimplant Sulcus Fluid
Recep Tayyip Erdogan University
OBSERVATIONAL
Updated Dec 15, 2025
Completed
PHASE3
NCT03742505
Rapid Normalization of Vitamin D Deficiency in PICU
Children's Hospital of Eastern Ontario
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE3
NCT01426256
Vitamin D for Enhancing the Immune System in Cystic Fibrosis (DISC Study)
Emory University
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE2
NCT00789880
Analysis of Response of Subjects With Atopic Dermatitis or Psoriasis to Oral Vitamin D3
National Institute of Allergy and Infectious Diseases (NIAID)
INTERVENTIONAL
Updated Dec 15, 2025
Terminated
PHASE1
NCT01046773
Vitamin D Supplementation as Non-toxic Immunomodulation in Children With Crohn's Disease
University of California, Los Angeles
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE2
NCT04979065
Nutrition, Immunity, and Covid-19 in Obese People
Indonesia University
INTERVENTIONAL
Updated Dec 15, 2025
Recruiting
NA
NCT06053112
The Trial of a New Infant Formula in Healthy Term Chinese Infants
Junlebao Dairy Group Co., Ltd.
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE2
NCT01372995
Vitamin D in Ventilated ICU Patients
Emory University
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE2
NCT02178488
Efficacy Study of Vitamin D Supplementation to Meticillin Resistant Staphylococcus Aureus (MRSA) Carriers
Peter Bergman
INTERVENTIONAL
Updated Dec 15, 2025
Withdrawn
NA
NCT01026363
hCAP18 Levels and Vitamin D Deficiency in Chronic Kidney Disease
Massachusetts General Hospital
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE1, PHASE2
NCT02225366
Intratumoral Injections of LL37 for Melanoma
M.D. Anderson Cancer Center
INTERVENTIONAL
Updated Dec 15, 2025
Completed
NA
NCT05398770
Vitamin D Supplementation Prior to Non-surgical Periodontal Therapy
University of Tromso
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE4
NCT04636086
Effect of Vitamin D on Hospitalized Adults With COVID-19 Infection
University of Liege
INTERVENTIONAL
Updated Dec 15, 2025
Completed
NA
NCT00946478
Effect of Pimecrolimus Cream on Cathelicidin Levels in Subjects With Eczema
University of California, San Diego
INTERVENTIONAL
Updated Dec 15, 2025
Completed
EARLY PHASE1
NCT06597708
Dietary Diversities: Exploring the Influence of Keto Diet and Intermittent Fasting on Oral Health and Salivary Inflammatory Biomarkers
Al-Mustansiriyah University
INTERVENTIONAL
Updated Dec 15, 2025
Completed
PHASE2
NCT02046577
Study of Vitamin D for the Prevention of Acute Respiratory Infections in Children
Pontificia Universidad Catolica de Chile
INTERVENTIONAL
Updated Dec 15, 2025
Completed
NA
NCT06779994
The Safety and Efficacy of Probiotic for Improving Intestinal and Immune Function
Wecare Probiotics Co., Ltd.
INTERVENTIONAL
Updated Dec 15, 2025
Completed
EARLY PHASE1
NCT05125718
Clinical and Metagenomic Investigation of Antimicrobial Peptide Gel in Periodontal Treatment.
University of Malaya
INTERVENTIONAL
Updated Dec 15, 2025