Efficacy of Vitamin D on the Clinical Management of Pediatric Patients With Asthma
Primary Purpose
Asthma
Status
Unknown status
Phase
Phase 3
Locations
Mexico
Study Type
Interventional
Intervention
GINA treatment fot asthma +vit.D low supplementation dose
GINA treatment fot asthma +vit.D high supplementation dose
Sponsored by

About this trial
This is an interventional treatment trial for Asthma focused on measuring vitamin d levels, exacerbation of asthma, asthma control
Eligibility Criteria
Inclusion Criteria:
- Pediatric patients 7 to 15 years regardless of sex diagnosed with asthma by clinical suspicion and accurate diagnosis by spirometry positive flow limitation with bronchodilator reversibility
- Controlled pediatric Pneumology service Patients
- Patients whose parents accept the child's participation by signing the informed consent. For children over 12 years the least sign the informed consent personally
Exclusion Criteria:
- Patients with hypocalcemia or hypercalcemia
- Patients with kidney diseases such as kidney stones, hypercalciuria, renal tubular acidosis
- Patients with moderate to severe malnutrition
Sites / Locations
- Hospital General Naval de Alta Especialidad
Arms of the Study
Arm 1
Arm 2
Arm Type
Active Comparator
Experimental
Arm Label
conventional treatment
conventional treatment + vitamin D3
Arm Description
GINA treatment fot asthma +vit.D low supplementation dose
GINA treatment fot asthma +vit.D high supplementation dose
Outcomes
Primary Outcome Measures
Free lapse of asthma exacerbation
Compare between the group treated with vitamin D at doses of 4 RDA combined with standard treatment of asthma versus the group treated with vitamin D at doses of 1 RDA combined with standard treatment group:
•Free lapse of asthma exacerbation in asthmatic patients 7-15 years of age
Secondary Outcome Measures
Clinical control of asthma
Compare between the groups the clinical control of asthma with the questionary: asthma control test
Lung function
Compare both groups improved lung function measured by spirometry using as parameter FEV 1
Vitamin D serum levels
Determine serum levels of vitamin D , basal and after treatment in patients included in this study
Season levels of vitamin D
Compare serum levels of vitamin D in different seasons
Serum vitamin D levels and clinical control of asthma
to determine the correlation between serum levels of vitamin d with clinical asthma control
Full Information
NCT ID
NCT02571660
First Posted
October 6, 2015
Last Updated
November 24, 2015
Sponsor
Hospital General Naval de Alta Especialidad - Escuela Medico Naval
1. Study Identification
Unique Protocol Identification Number
NCT02571660
Brief Title
Efficacy of Vitamin D on the Clinical Management of Pediatric Patients With Asthma
Official Title
Efficacy of Vitamin D on the Clinical Management of Pediatric Patients With Asthma in the Hospital General Naval de Alta Especialidad
Study Type
Interventional
2. Study Status
Record Verification Date
November 2015
Overall Recruitment Status
Unknown status
Study Start Date
November 2015 (undefined)
Primary Completion Date
November 2016 (Anticipated)
Study Completion Date
July 2017 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Hospital General Naval de Alta Especialidad - Escuela Medico Naval
4. Oversight
Data Monitoring Committee
No
5. Study Description
Brief Summary
Asthma is a disease that represents a public health problem worldwide, there are several barriers, especially in pediatric patients with this disease, them, prevent the adequate control of their condition, in addition every day there are new processing aids for this entity; within these novel research we founded the relationship between decreased vitamin D serum levels and his role in the regulating of the immune response, also this relationship in the pathophysiology of this disease and responses in the event of infectious diseases of the respiratory tract which can exacerbate symptoms in pediatric patients. We have been some of clinical trials with the aim of improving serum levels of vitamin D in asthmatic patients, however, these studies have different sources of bias and thus far there is no solid evidence that favors or denies the relationship between asthma and vitamin D, this paper aims to help generate this evidence to improve clinical management of these patients and their lung function and increase the free time crisis.
In this trial two study groups which are divided for each of the interventions described below:
Group low supplementation dose: 1 tablet of 400 IU was administered every 24 hours via oral, regardless of time or if it is before or after food, preferably in the morning to improve adherence to treatment, will be completed one year of treatment without suspension.
Group high supplementation dose: 1 tablet of 1600 IU should be administered every 24 hours via oral, regardless of time or if it is before or after food, preferably in the morning to improve adherence to treatment, will be completed one year of treatment without suspension thereof.
Detailed Description
There are several potential mechanisms that have been described both in vitro models and in vivo models in which has been linked to asthma control with elevated levels of vitamin D in serum. These mechanisms include structural effects in the lungs, immunomodulation, modulation of smooth muscle response to level and effect on bronchial response to inhaled medicines to treat asthma.
Structural mechanisms Studies were conducted in rats of 50 days old, lung compliance was measured and decreased it in rats whose mothers had a diet of deprivation of vitamin D compared to those rats whose mothers received vitamin supplementation was observed. In human groups, pulmonary function tests at age 6 were carried out, and there was a significant difference between children with mothers with vitamin D deficiency during pregnancy and children whose mothers had normal levels during pregnancy. These findings suggest that there is a strong relationship between lung embryonic development serum level of vitamin D and therefore this plays a key role in the structural development of the airways
Anti-inflammatory Mechanisms Within these mechanisms, they are significantly inhibiting pro-inflammatory cytokines such as interleukin-6 and tumor necrosis factor alpha (TNF-A) by way of inhibition of MAP 38 produced by monocytes. Another such mechanism is the inhibition of transcription factor (necrosis factor kappa-beta). We observed a decrease in the phosphorylation and production of reactive oxygen species with the addition of 1-25 dihydroxyvitamin D levels which leads to less inflammatory damage in the respiratory epithelium.
Immunomodulation Effects occur in both innate immunity and adaptive, innate immunity in the effect of 1,25 hydroxyvitamin D has an effect on the reduction of inflammatory cytokines and in the decreased expression of Toll-like receptors monocytes. Also active antimicrobial peptides such as defensin 2 and 4 and the human defensin cathecidina 18, studies where low levels of vitamin D are associated and low levels of this peptide
Effects on helper T lymphocytes Molecular effects, vitamin D levels are associated with decreased circulating IgE as well as decreasing the TH1 response and therefore TH2, however the role of vitamin D on these cells is unclear, and some studies have shown the prevalence of TH2 response in patients with adequate levels of Vitamin D, however the decrease in the inflammatory response and the production of cytokines such as IL 12 has shown that vitamin D it modulates the response that causes pathogenesis Asthma
Decrease in early infections or severity The previously mentioned effects on adaptive and innate immunity may decrease the risk of early respiratory tract infections, which have been associated in the first years of life with a high incidence of wheezing. In Hawaiian children under age 5 suffering from rickets incidence of respiratory tract diseases and wheezing it was higher than that of the population without vitamin D deficiency
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Asthma
Keywords
vitamin d levels, exacerbation of asthma, asthma control
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 3
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
100 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
conventional treatment
Arm Type
Active Comparator
Arm Description
GINA treatment fot asthma +vit.D low supplementation dose
Arm Title
conventional treatment + vitamin D3
Arm Type
Experimental
Arm Description
GINA treatment fot asthma +vit.D high supplementation dose
Intervention Type
Drug
Intervention Name(s)
GINA treatment fot asthma +vit.D low supplementation dose
Other Intervention Name(s)
SD group
Intervention Description
Dose of 400 IU of vitamin D3 every 24 hours for 1 year + the standard treatment for asthma,
Intervention Type
Drug
Intervention Name(s)
GINA treatment fot asthma +vit.D high supplementation dose
Other Intervention Name(s)
TD group
Intervention Description
Dose of 1600 IU of vitamin D3 be allocated each 24 hours for 1 year + standard treatment for asthma
Primary Outcome Measure Information:
Title
Free lapse of asthma exacerbation
Description
Compare between the group treated with vitamin D at doses of 4 RDA combined with standard treatment of asthma versus the group treated with vitamin D at doses of 1 RDA combined with standard treatment group:
•Free lapse of asthma exacerbation in asthmatic patients 7-15 years of age
Time Frame
1 year
Secondary Outcome Measure Information:
Title
Clinical control of asthma
Description
Compare between the groups the clinical control of asthma with the questionary: asthma control test
Time Frame
1 year
Title
Lung function
Description
Compare both groups improved lung function measured by spirometry using as parameter FEV 1
Time Frame
1 year
Title
Vitamin D serum levels
Description
Determine serum levels of vitamin D , basal and after treatment in patients included in this study
Time Frame
1 year
Title
Season levels of vitamin D
Description
Compare serum levels of vitamin D in different seasons
Time Frame
1 year
Title
Serum vitamin D levels and clinical control of asthma
Description
to determine the correlation between serum levels of vitamin d with clinical asthma control
Time Frame
1 year
10. Eligibility
Sex
All
Minimum Age & Unit of Time
7 Years
Maximum Age & Unit of Time
15 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Pediatric patients 7 to 15 years regardless of sex diagnosed with asthma by clinical suspicion and accurate diagnosis by spirometry positive flow limitation with bronchodilator reversibility
Controlled pediatric Pneumology service Patients
Patients whose parents accept the child's participation by signing the informed consent. For children over 12 years the least sign the informed consent personally
Exclusion Criteria:
Patients with hypocalcemia or hypercalcemia
Patients with kidney diseases such as kidney stones, hypercalciuria, renal tubular acidosis
Patients with moderate to severe malnutrition
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Emmanuelle Dexeus Gabriel Fernandez, pediatrician
Phone
015548573242
Email
efv_35@hotmail.com
First Name & Middle Initial & Last Name or Official Title & Degree
Julissa Ramirez, pediatrician
Phone
015545894581
Email
julissa_abarca@hotmail.co
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Emmanuelle Dexeus Gabriel Fernandez, pediatrician
Organizational Affiliation
Hospital General Naval de Alta Especialidad - Escuela Medico Naval
Official's Role
Principal Investigator
Facility Information:
Facility Name
Hospital General Naval de Alta Especialidad
City
Distrito Federal
Country
Mexico
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Emmanuelle Dexeus Gabriel Fernández, Pediatrician
Phone
015548573242
Email
efv_35@hotmail.com
First Name & Middle Initial & Last Name & Degree
Julissa Ramirez Abarca, Pediatrician
Phone
015545894581
Email
julissa_abarca@hotmail.com
12. IPD Sharing Statement
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Efficacy of Vitamin D on the Clinical Management of Pediatric Patients With Asthma
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