Steroid Therapy in Acute Bronchiolitis A New Old Line of Therapy.
NCT ID: NCT03436225
Last Updated: 2019-01-09
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
PHASE1
80 participants
INTERVENTIONAL
2019-02-28
2019-03-31
Brief Summary
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Detailed Description
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Bronchiolitis is the common reason for hospitalization of children in many countries, challenging both economy, area and staffing in pediatric departments. A substantial proportion of children will experience at least one episode with bronchiolitis, and as much as 2-3% of all children will be hospitalized with bronchiolitis during their first year of life. Bronchiolitis is the most common medical reason for admission of children to intensive care units (ICU) particularly those with risk Factors will have a severe course of bronchiolitis, providing challenges regarding ventilation, fluid balance and general support This may be a particular challenge for ICUs without a specialized pediatric section.
Many respiratory viruses have been associated with acute viral bronchiolitis although Respiratory Syncytial Virus (RSV) remains the most common identified virus causing bronchiolitis, occurring in epidemics during winter months.The infection starts in the upper respiratory tract, spreading to the lower airways within few days.The inflammation in the bronchioles is characterized by a peri-bronchial infiltration of white blood cell types, mostly mono nuclear cells, and oedema of the submucosa and adventitia. Damage may occur by a direct viral injury to the respiratory airway epithelium, or indirectly by activating immune responses. Oedema, mucus secretion, and damage of airway epithelium with necrosis may cause partial or total airflow obstruction, distal air trapping, atelectasis and a ventilation perfusion mismatch leading to hypoxemia and increased work of breathing. Smooth-muscle constriction seems to play a minor role in the pathologic process of bronchiolitis.
Risk factors for bronchiolitis are male gender, a history of prematurity, young age, being born in relation to the RSV season, pre-existing disease such as broncho pulmonary- dysplasia , underlying chronic lung disease , neuromuscular disease, congenital heart- disease , exposure to environmental tobacco smoke , high parity, young maternal age, short duration/no breast feeding , maternal asthma and poor socioeconomic factors.
Bronchiolitis often starts with rhinorrhoea and fever, thereafter gradually increasing with signs of a lower respiratory tract infection including tachypnoea, wheezing and cough. Very young children, particularly those with a history of prematurity, may appear with apnea as their major symptom.Feeding problems are common.
On clinical examination, the major finding in the youngest children may be fine inspiratory crackles on auscultation, whereas high-pitched expiratory wheeze may be prominent in older children. By observation, the infants may have increased respiratory rate, chest movements, prolonged expiration, recessions, use of accessory muscles, cyanosis and decreased general condition.
No routine laboratory or radio graphic diagnostic tests for bronchiolitis except for pulse oxymetry , have been shown to have a substantial impact on the clinical course of bron- chiolitis , and recent guidelines and evidence-based reviews recommend that no diagnostic tests are used routinely.
The present study describes the efficacy of steroid therapy in patients with acute bronchiolitis. Theoretically, corticosteroid, an anti-inflammatory agent, should be helpful in the treatment of bronchiolitis because airway inflammation and edema are the main pathophysiologies. Recent evidence has shown elevation of interleukins and other inflammatory mediators in the respiratory tracts of children with acute bronchiolitis. Eosinophil cationic protein, implicated in the pathogenesis of asthma, was found to have a significant role in RSV bronchiolitis. Most of these mediators could be found during the period of virus replication.The clinical effect of dexamethasone, with a long half -life of 36-72 hr, may peak after 3-4 hr of treatment. Corticosteroids widely used in different routes in the treatment of acute bronchiolitis:
Dexamethasone injection used in hospitalized children with acute bronchiolitis showed significantly reduction in the mean respiratory distress duration, mean duration of oxygen therapy and the mean length of hospital stay.
Oral dexamethasone used in pediatric out patients with acute bronchiolitis produced demonstrable clinical improvement in the initial 4 hr of treatment and reduced the hospitalization rate.
Corticosteroid inhalation therapy used in RSV- bronchiolitis showed evidence of prolonged positive effects in reduction of the incidence of subsequent respiratory symptoms in the near future. However, the best and sufficient length of the treatment period, as well as the dose of the inhaled steroid, need to be determined..
Fluticasone propionate, a potent corticosteroid, has been demonstrated in vitro to inhibit virus-induced chemokine production by airway cells in patients infected with Respiratory Syncytial Virus. However, the inhibition was found to take at least 48 hr to reach its full effect.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
NONE
Study Groups
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Group one
Group one will receive dexamethasone orally (0.15mg /kg / dose) twice daily for 3 to 5 days.
Dexamethasone orally.
Administered orally (0.15mg /kg / dose) twice daily for 3 to 5 days.
Group two
Group two will receive dexamethasone parenteral (0.15mg /kg /dose) twice daily for 3 to 5 days.
Dexamethasone parenteral.
Administered parenteral (0.15mg /kg / dose) twice daily for 3 to 5 days.
Group three
Group three will receive inhaled nebulized budesonide (1 mg/2ml) twice daily for 3 to 5 days.
Inhaled nebulized Budesonide.
Administered for inhalation (1 mg/ 2ml) twice daily for 3 to 5 days.
Group four
Group four will receive symptomatic treatment in form of inhaled nebulized salbutamol(0.15mg/kg/ dose) daily every 6-8 hours.
Inhaled nebulized salbutamol.
Administered for inhalation (0.15mg /kg / dose) daily every 6-8hrs
Interventions
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Dexamethasone orally.
Administered orally (0.15mg /kg / dose) twice daily for 3 to 5 days.
Dexamethasone parenteral.
Administered parenteral (0.15mg /kg / dose) twice daily for 3 to 5 days.
Inhaled nebulized Budesonide.
Administered for inhalation (1 mg/ 2ml) twice daily for 3 to 5 days.
Inhaled nebulized salbutamol.
Administered for inhalation (0.15mg /kg / dose) daily every 6-8hrs
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
2. Infants aged \<12 months with respiratory rate over 60 breaths/min, childrens aged \>12months with respiratory rate over 50 breaths/min.
3. Patients with an O2- saturation, breathing room air, under 95%.
4. Patients with apathy and/or refusal to eat.
5. Patients with normal white blood cell count for age.
6. Full term babies without chronic disease.
Exclusion Criteria
2. known or suspected asthma (by observing the good response to first dose of salbutamol nebulization especially among those with personal history of atopy).
3. Proven or suspected acute bacterial infection.
4. Presence of symptoms more than 7 days.
5. Previous treatment with corticosteroid by any route within 2 weeks.
6. Having a contra- indication to corticosteroid.
7. Severe cases requiring initial admission to intensive care unit with endotracheal intubation (in order to reduce confounding factors such as nosocomial infection or complication due to mechanical ventilation).
8. A previous history of intubation.
9. Premature babies (due to possible respiratory problems associated with prematurity).
10. Children with chronic cardiopulmonary diseases (Bronchopulmonary- dysplasia , Congenital Heart Disease and Cystic fibrosis)
11. Children with immunodeficiencies .
12. Children with neuromuscular disease.
3 Months
2 Years
ALL
No
Sponsors
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Assiut University
OTHER
Responsible Party
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Marina shohdy dous
Principal Investigator.
References
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Schimmer BP, Parker KL. Adrenocorticotropic hormone; adrenocortical steroids and their synthetic analogs; inhibitor of the synthesis and actions of adrenocortical hormones. In: Hardman JG, Limbird LE, Molinoff PB, Ruddon RW, Gilman AG,editors. Goodman & Gilman's the pharmacological basis of therapeutics, 9th edition. New York: McGraw-Hill; 1996.pp 1459-1485.
GOODWIN A. An uncontrolled assessment of nebulized budesonide in the treatment of acute bronchiolitis. Br J Clin Res 1995: 6: 113±9.
Nagakumar P, Doull I. Current therapy for bronchiolitis. Arch Dis Child. 2012 Sep;97(9):827-30. doi: 10.1136/archdischild-2011-301579. Epub 2012 Jun 25.
American Academy of Pediatrics Subcommittee on Diagnosis and Management of Bronchiolitis. Diagnosis and management of bronchiolitis. Pediatrics. 2006 Oct;118(4):1774-93. doi: 10.1542/peds.2006-2223.
Stockman LJ, Curns AT, Anderson LJ, Fischer-Langley G. Respiratory syncytial virus-associated hospitalizations among infants and young children in the United States, 1997-2006. Pediatr Infect Dis J. 2012 Jan;31(1):5-9. doi: 10.1097/INF.0b013e31822e68e6.
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Zorc JJ, Hall CB. Bronchiolitis: recent evidence on diagnosis and management. Pediatrics. 2010 Feb;125(2):342-9. doi: 10.1542/peds.2009-2092. Epub 2010 Jan 25.
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Carroll KN, Gebretsadik T, Griffin MR, Wu P, Dupont WD, Mitchel EF, Enriquez R, Hartert TV. Increasing burden and risk factors for bronchiolitis-related medical visits in infants enrolled in a state health care insurance plan. Pediatrics. 2008 Jul;122(1):58-64. doi: 10.1542/peds.2007-2087.
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Bordley WC, Viswanathan M, King VJ, Sutton SF, Jackman AM, Sterling L, Lohr KN. Diagnosis and testing in bronchiolitis: a systematic review. Arch Pediatr Adolesc Med. 2004 Feb;158(2):119-26. doi: 10.1001/archpedi.158.2.119.
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Noah TL, Becker S. Respiratory syncytial virus-induced cytokine production by a human bronchial epithelial cell line. Am J Physiol. 1993 Nov;265(5 Pt 1):L472-8. doi: 10.1152/ajplung.1993.265.5.L472.
Garofalo R, Kimpen JL, Welliver RC, Ogra PL. Eosinophil degranulation in the respiratory tract during naturally acquired respiratory syncytial virus infection. J Pediatr. 1992 Jan;120(1):28-32. doi: 10.1016/s0022-3476(05)80592-x.
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Roosevelt G, Sheehan K, Grupp-Phelan J, Tanz RR, Listernick R. Dexamethasone in bronchiolitis: a randomised controlled trial. Lancet. 1996 Aug 3;348(9023):292-5. doi: 10.1016/s0140-6736(96)02285-4.
De Boeck K, Van der Aa N, Van Lierde S, Corbeel L, Eeckels R. Respiratory syncytial virus bronchiolitis: a double-blind dexamethasone efficacy study. J Pediatr. 1997 Dec;131(6):919-21. doi: 10.1016/s0022-3476(97)70044-1.
Klassen TP, Sutcliffe T, Watters LK, Wells GA, Allen UD, Li MM. Dexamethasone in salbutamol-treated inpatients with acute bronchiolitis: a randomized, controlled trial. J Pediatr. 1997 Feb;130(2):191-6. doi: 10.1016/s0022-3476(97)70342-1.
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Maayan C, Itzhaki T, Bar-Yishay E, Gross S, Tal A, Godfrey S. The functional response of infants with persistent wheezing to nebulized beclomethasone dipropionate. Pediatr Pulmonol. 1986 Jan-Feb;2(1):9-14. doi: 10.1002/ppul.1950020106.
Reijonen T, Korppi M, Kuikka L, Remes K. Anti-inflammatory therapy reduces wheezing after bronchiolitis. Arch Pediatr Adolesc Med. 1996 May;150(5):512-7. doi: 10.1001/archpedi.1996.02170300066013.
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Other Identifiers
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Steroid in bronchiolitis.
Identifier Type: -
Identifier Source: org_study_id
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