The control group will be provided with a placebo medication of similar taste, color, texture, and consistency as the study medication, and will be dispensed once a day on Monday, Wednesday, and Friday.

Patients will receive azithromycin at a dose of 5 mg/kg to be given once a day on Monday, Wednesday, and Friday. The dosage will be not be adjusted if a new weight is obtained during the trial period.

The control group will be provided with a placebo medication of similar taste, color, texture, and consistency as the study medication. Patients will receive placebo at a dose of 5 mg/kg to be given once a day on Monday, Wednesday, and Friday. The dosage will not be adjusted if a new weight is obtained during the trial period.

Placebo

The azithromycin group will receive azithromycin at a dose of 5 mg/kg to be given once a day on Monday, Wednesday, and Friday. The dosage will not be adjusted if a new weight is obtained during the trial period.

Azithromycin

Total

Age, Customized

Sex: Female, Male

Ethnicity (NIH/OMB)

Race (NIH/OMB)

Region of Enrollment

Gestational Age

Number of Participants who Received Synagis Injection

Number of Patients with Tracheostomy

Participants were observed for a minimum of 5 months and a maximum of 8 months, depending on when study enrollment occurred. Patients were recruited for this study on a rolling basis during the start of the winter season and then completed the intervention at the same time at the end of the winter season, which accounts for the variability in the amount of time participants were observed.

Number of Unscheduled Face-to-face Physician Visits (Clinic Visits, ER Visits, and Hospitalizations)

Number of Adverse Events

Participants were observed for a minimum of 5 months and a maximum of 8 months, depending on when study enrollment occurred. Patients were recruited for this study on a rolling basis during the start of the winter season and then completed the intervention at the same time during the end of the winter season, which accounts for the variability in the amount of time participants were observed.

Healthcare Cost Associated With Respiratory Illness

To determine if prophylactic use of azithromycin will reduce the total number of unscheduled face-to-face physician visit for respiratory related illness in a clinic, urgent care, emergency room or hospital setting during the following 12 months after the intervention.

Long Term Reduction in Respiratory Symptoms

To determine if prophylactic use of azithromycin will reduce level of airway resistance as measured by an Airwave Oscillometry System in subjects above 2 years of age, at the time of respiratory illnesses, during the 3-6 months intervention.

Level of Airway Conductance

Using a standardize nasal wash procedure, respiratory samples will be collected at enrollment, at end of study, and during acute respiratory illness requiring face-to-face provider interaction. Children with a tracheostomy will have both a nasal wash sample and a tracheal aspirate sample collected. The respiratory samples will be stabilized with a universal transport media, processed and stored at -80 C for future testing. Testing will be performed for cytokines/chemokines; other biomarkers of disease such as LDH, MPO, and caspase; viral and bacterial respiratory pathogens; and microbiome.

Level of Cytokines

Overall Study

Ricardo A. Mosquera, MD

Chronic Lung Disease

Patients will receive azithromycin at a dose of 5 mg/kg to be given once a day on Monday, Wednesday, and Friday. The dosage will not be adjusted if a new weight is obtained during the trial period.

Patients will receive placebo at a dose of 5 mg/kg to be given once a day on Monday, Wednesday, and Friday. The dosage will not be adjusted if a new weight is obtained during the trial period.

piedra/dispne

The Anti-inflammatory Effect of Prophylactic Macrolides on Children With Chronic Lung Disease

Efficacy of Systemic Glucocorticoid in the Treatment of Wheezing in Children

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