Montelukast With Status Asthmaticus, Ages 2-5

Overview

The purpose of this study is to determine if montelukast, in addition to standard treatment is helpful in treating patients ages 2-5 who are in the hospital because of status asthmaticus.

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: Single (Participant)
  • Study Primary Completion Date: January 2010

Detailed Description

This is a prospective study of montelukast efficacy in addition to standard treatment of status asthmaticus in children from 2-5 years old who are in the PICU. Children who meet eligibility requirements will be randomized to receive a rapid-dissolving oral dose of montelukast or placebo. Once enrolled, a baseline modified Wood's-Downes clinical asthma severity score will be recorded pre and post completion of a standard nebulized albuterol treatment of 0.15 mg/kg/dose (min2.5mg/dose). Patients who are able will have FEV1 measurements obtained at predetermined intervals for determination of clinical asthma severity score. Blood samples for PK analysis will be collected prior to study drug administration and at predetermined time intervals to determine the plasma level of montelukast. In addition, a blood sample will be obtained for genetic study of polymorphisms of CYP3A4, CYP3A5, and CYP2C9.

Interventions

  • Drug: Montelukast
    • Montelukast 4 mg rapid dissolving granules in sterile water given orally once
  • Other: Sterile water
    • Sterile water

Arms, Groups and Cohorts

  • Sham Comparator: 1
    • Sterile Water
  • Active Comparator: Montelukast
    • Dissolved granules in sterile water

Clinical Trial Outcome Measures

Primary Measures

  • Effectiveness of Montelukast as adjunctive therapy

Secondary Measures

  • Estimate the first dose pharmacokinetic parameters of Montelukast

Participating in This Clinical Trial

Inclusion Criteria

  • Participant's parent/legal guardian must give written informed consent prior to study participation. When appropriate, written assent from the child will also be obtained. – Participant, male or female, must be 2 to 5 years of age. – Participant must have a history of reactive airway disease (RAD) or asthma, and must currently be admitted for an acute exacerbation of RAD or asthma. – Primary physician must believe that patient would benefit from improved bronchodilation and improvement in clinical asthma severity score. – Participant must have received standard therapy for status asthmaticus: Oxygen as needed; 3 nebulized albuterol treatments of at least 2.5mg/dose; Methylprednisolone or prednisone loading dose of 2mg/kg; Ongoing methylprednisolone therapy @ 0.5mg/kg every 6 Exclusion Criteria:

  • Known hypersensitivity to montelukast – Chronic lung disease – Cardiac or pulmonary congenital anomalies – Known renal disease – Known hepatic disease – Known immunologic disorders other than allergy and atopy – Other explanations for respiratory distress – Use of leukotriene modifiers within 2 weeks of the acute presentation – Intubated patients

Gender Eligibility: All

Minimum Age: 2 Years

Maximum Age: 5 Years

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
  • Collaborator
    • Pediatric Pharmacology Research Units Network
  • Provider of Information About this Clinical Study
    • Jeffrey L. Blumer, Ph.D, M.D., University Hospitals Case Medical Center
  • Overall Official(s)
    • Jeffrey L. Blumer, M.D., Ph.D., Principal Investigator, PPRU

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