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Efficacy of Zinc in the Treatment of Bronchiolitis and Prevention of Wheezing Respiratory Illness in Children Less Than Two Years Old

This study has been completed.
United States Agency for International Development (USAID)
Information provided by:
International Centre for Diarrhoeal Disease Research, Bangladesh Identifier:
First received: July 20, 2006
Last updated: July 11, 2011
Last verified: July 2006
1. Bronchiolitis is a leading cause of morbidity and mortality in children. It is an acute, infectious illness of the lower respiratory tract resulting in obstruction of the bronchioles. The etiology is viral in the majority of the cases and RSV is the most commonly isolated agent. The disease is more common in younger children under 2 years of age. Children often receive unnecessary antibiotics and often require hospitalization. An episode of bronchiolitis can be followed by recurrent wheezing episodes. RSV bronchiolitis in the first year of life is one of the most important risk factors for the subsequent development of asthma in both developed and developing countries. Thus, bronchiolitis is a global public health problem. Zinc supplementation has been shown to be effective in both preventing and treating pneumonia. However, no study has particularly examined the effect of zinc on ARI associated with wheezing. This study aims to investigate whether zinc (20 mg/day) reduces1. the duration of bronchiolitis in children.2. the severity of bronchiolitis in children.3. the rate of hospitalization for bronchiolitis.3. future episodes of wheezing in children.

Condition Intervention Phase
Drug: Zinc sulphate 20 mg
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by International Centre for Diarrhoeal Disease Research, Bangladesh:

Primary Outcome Measures:
  • Effect of zinc on the duration of bronchiolitis in children

Secondary Outcome Measures:
  • Effect of Zinc
  • The severity of bronchiolitis.
  • The rate of hospitalization.
  • Future episodes of wheezing.

Estimated Enrollment: 330
Study Start Date: February 2006
Study Completion Date: September 2007
Primary Completion Date: September 2007 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   2 Months to 23 Months   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Children 2 months to 23 months old at the time of clinical diagnosis· Episode of wheezing for the first time Written consent· Who do not require hospitalization at the time of diagnosis

Exclusion Criteria:

History of asthma Chronic cardiac or respiratory disease (e.g.cyanotic heart disease -ASD) History of previous wheezing or bronchodilator therapy Gestational age at birth <34 weeks Suspected tuberculosis, active measles Any illness (severe malnutrition, sepsis, meningitis) that requires hospitalisation Who had zinc/placebo supplements during this study· H/o zinc intake within last 3 months· Whose caretakers withhold consent

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Please refer to this study by its identifier: NCT00355043

Dhaka, Bangladesh, 1212
Sponsors and Collaborators
International Centre for Diarrhoeal Disease Research, Bangladesh
United States Agency for International Development (USAID)
Principal Investigator: Dilruba Nasrin, MBBS,PhD International Centre for Diarrhoeal Disease Research, Bangladesh
  More Information

Responsible Party: Principal Investigator, International Centre for Diarrhoeal Disease Resarch, Bangladesh Identifier: NCT00355043     History of Changes
Other Study ID Numbers: 2005-027
Study First Received: July 20, 2006
Last Updated: July 11, 2011

Keywords provided by International Centre for Diarrhoeal Disease Research, Bangladesh:
Zinc treatment
Children aged 2 months to 23 months
Diagnosed case of acute bronchiolitis

Additional relevant MeSH terms:
Bronchial Diseases
Respiratory Tract Diseases
Lung Diseases, Obstructive
Lung Diseases
Respiratory Tract Infections
Zinc Sulfate
Trace Elements
Growth Substances
Physiological Effects of Drugs
Dermatologic Agents processed this record on April 27, 2017