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NCT07346963
Respiratory syncytial virus (RSV) is a leading cause of acute lower respiratory tract infection in infants and young children and contributes substantially to pediatric emergency department (ED) visits and hospitalizations. In Türkiye, nationally representative prospective data describing the epidemiology, clinical spectrum, and resource utilization of RSV-positive children presenting to pediatric EDs remain limited. This multicenter prospective observational study aims to characterize demographic and clinical features of RSV-positive children under 5 years of age presenting to participating pediatric EDs across two consecutive RSV seasons, and to quantify key healthcare utilization outcomes, including ED observation duration, hospitalization, and intensive care unit (ICU) admission.
NCT06321133
The goal of this clinical study is to compared two different strategies to end high flow nasal cannula treatment in acute bronchiolitis. This study compared the immediate ending of high flow treatment to weaning strategy, in which the flow rate is gradually decreased. The aim is to assess if the immediate ending shortens the hospitalization time and whether it is a safe strategy.
NCT04519073
The primary and secondary objectives of this Phase 1 study are respectively to assess the safety and the immunogenicity of two administrations of the RSV vaccine candidate at three different doses. The study has a randomized, placebo-controlled, double-blind, sequential, parallel cohorts, dose-escalation (three dosages) design. Each of the three cohorts (N=20 subjects per cohort, total of 60 subjects) will receive placebo (n=5), or a low (15 µg, n=15), intermediate (50 µg, n=15) or high dosage (150 µg, n=15) of candidate vaccine, on two occasions (Day 0 and Day 56). Subjects will be healthy adult women aged between 18 and 45 years. There will be two phases: an active treatment phase from Day 0 to Month 3, and a follow-up phase from Month 3 + 1 day to Month 12. During the active phase, subjects will complete diary cards to record oral temperature (daily), solicited local and general adverse events (AEs) and unsolicited AEs for 7 days after each administration. Unsolicited AEs will be recorded up to Day 28 post-each administration. Serious adverse events (SAEs) and adverse events of specific interest (AESI) will be recorded throughout the duration of the active phase. Subjects will visit the clinical site for safety monitoring on Days 1, 7 and 28 following each administration. Blood will be drawn at a screening visit and the safety test data will be available just before 1st administration. The screening set includes markers of infection with hepatitis B virus, hepatitis C virus and human immunodeficiency virus. A serum sample will be taken for detection of pregnancy. At the next scheduled time points, pregnancy will be screened in a urine sample. Laboratory safety parameters will be examined further at Days 0, 1, 7, 28, 56, 57, 63 and 84. During the follow-up phase, visits for safety monitoring are scheduled at Months 6, 9 and 12 post-1st administration. SAEs and AESI will be recorded at each visit. Humoral immunity will be measured on Days 0, 28, 56, Month 3, Month 6, Month 9 and Month 12. Cellular immunity will be measured on Days 0, 7, 28, 56, 63 and 84. The duration of the study for each subject will be approximately 13 months. The total duration of the study will be approximately 18 months.
NCT03171142
Helium is an inert gas with a density almost one-seventh of that of air. Based on its properties breathing a mixture of helium and oxygen (heliox) will lead to a reduction in resistance through narrowed airways and consequently decreases the work of breathing. Participating infants with RSV acute bronchiolitis will be supplied with heliox (ration of 21 oxygen and 79 helium) delivered through a flow nasal cannula to evaluate heliox effect in improving their oxygenation. Heliox will act as an additive therapy to improve oxygenation in patients with lower respiratory tract infection caused by respiratory Syncytial Virus (RSV) and will decrease the need for more complicated therapies.
NCT01875757
A phase III multicenter randomized double blind clinical trial will be conducted. After obtaining written consent the infant will be randomized, during the first two weeks of life, to a study group to receive either 400 IU or 1,000 IU / day of vitamin D to the year of age. Baseline and all follow up visits (2, 6, and 12 months of life) will include anthropometric measurements and a questionnaire about health issues. A blood sample will be obtained at baseline for analysis of 25OH vitamin D, and at 6 and 12 months for analysis of 25 OH vitamin D, and calcium. Healthy term born infants of appropriate size for gestational age will be included. We will need to include 359 children in each group. The primary objective of the study is to decrease the proportion of infants with acute bronchitis during the first year of life by supplementation of 1,000 IU/day vitamin D. Secondary otcomes are: To check that the administration of 1,000 IU/day vitamin D decreases the proportion of infants with upper respiratory tract infections, the proportion of children under one year of age hospitalized for acute bronchiolitis, and the demand on the healthcare system due to respiratory infections and absences from work for parents and achieves a higher proportion of children with adequate blood levels 25 OH vitamin D.