- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00670280
Reducing Environmental Tobacco Smoke in Neonatal Intensive Care Unit (NICU) Infants' Homes
Reducing Environmental Tobacco Smoke in NICU Infants' Homes
This study is about reducing the risks of smoke-related infant health problems. Research has shown that infants exposed to secondary smoke have higher risks of delayed lung development, respiratory illnesses, wheeze, cough, asthma, middle ear disease, and sudden infant death syndrome. Infants who have experienced low birth weight or required mechanical ventilation may be at an even greater risk for the negative effects of smoking. The purpose of this study is to evaluate the effectiveness of a 3-session program aimed at assisting the primary care giver in reducing risks to their child's health by decreasing infant smoke exposure in their home and/or reducing overall cigarette use.
Caregivers will not be required to quit smoking to take part in this program. This information will, in the future, help to identify and improve ways of reducing health problems and perhaps death in children.
Study Overview
Status
Conditions
Detailed Description
Approximately 38% of children aged 2 months to 5 years are exposed to environmental tobacco smoke (ETS), and compelling evidence suggests rates are even higher in low-income, less educated households. The adverse health effects of chronic ETS in children are well documented and include higher risks of delayed lung development, respiratory illnesses, wheeze, cough, asthma, middle ear disease and sudden infant death syndrome. Preterm infants admitted to a Neonatal Intensive Care Unit (NICU) are particularly vulnerable to the effects of ETS, typically exhibiting significant respiratory or chronic lung conditions prior to discharge.
The primary aim of this investigation is to develop and verify the feasibility and efficacy of a multicomponent behavioral intervention for reducing ETS exposure in a low-income, multi-ethnic population of NICU infants at particularly high social and medical risk for adverse effects of ETS. A randomized, controlled, between groups design will be used to test a hospital-based ETS reduction program based on motivational interviewing (MI). A total of 150 families with an infant at high respiratory risk in the NICU who report regular household smoking will be randomized to either MI or Usual Care. The MI intervention will include 2 one-hour counseling sessions within the 2 weeks prior to infant discharge and one telephone counseling call at two weeks post-discharge. Counseling and interviews will be conducted in Spanish or English.
The proposed research brings together highly experienced behavioral and clinical investigators, an extraordinary infrastructure, and a large population easily accessible for intervention prior to discharge. Effective brief, hospital-based interventions to reduce ETS exposure in households with NICU infants at high respiratory risk could result in substantial decreases in adverse health effects and the very large associated costs.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Texas
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Houston, Texas, United States, 77030
- Children's Memorial Hermann Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- have an infant that is 2-3 weeks prior to the estimated date of hospital discharge in the NICU at Children's Memorial Hermann Hospital
- have an infant at high respiratory risk (very low birth weight or received mechanical ventilation for >12 hours)
- report at least one person in the home who usually smokes >6 cigarettes/week in the house
- speak English or Spanish
- agree to the assessments
- attend intervention sessions (anyone who smokes in the home would be asked but not required to attend)
- live within 50 miles of our center
- have access to a telephone
- provide informed consent
Exclusion Criteria:
- severe cognitive, and/or psychiatric impairment, per judgment of NICU and research staff, that precludes cooperation with study protocol
- inability to read, write, speak English or Spanish
- inability or unwillingness to provide signed consent for participation, including parental consent if under age 18 (unless caregiver is an emancipated minor)
- inability or unwillingness to meet study requirements, including follow-up home visits for data collection purposes
Study Plan
How is the study designed?
Design Details
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Intervention Group
Those randomized to the Intervention group will meet twice over a two-week period with a trained counselor while visiting the neonatal intensive care unit.
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Those randomized to receive the Motivational Interviewing intervention will meet twice over a two-week period with a trained counselor while visiting the neonatal intensive care unit.
Each visit will consist of a 45 minute session in which household smoking practices will be assessed and discussed.
Two weeks after the child has been discharged from the hospital, the counselor will contact participants via telephone for a third 20-30 minute telephone meeting.
After the third contact with the counselor, a letter will be mailed to participants summarizing information covered in the three meetings.
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Active Comparator: UC Group
Those randomized to the Usual Care group will receive written information on secondary smoke and infant health and will be assessed at 1 month, 3 months, and 6 months post-intervention.
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Those randomized to receive the Usual Care intervention will receive written information on secondary smoke and infant health and will be assessed at 1 month, 3 months, and 6 months post-intervention.
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Active Comparator: UC-RM Group
Those randomized to the Usual Care - Reduced Measurement group will receive the same information as the Usual Care group but will be measured less often (only at 6 months post-intervention).
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Those randomized to the Usual Care - Reduced Measurement intervention will receive the same written information on secondary smoke and infant health as the Usual Care intervention but will be assessed only at the 6-month timepoint.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Primary efficacy variables will include both objective (household air nicotine levels; infant ETCO levels) and self-report measures of household ETS exposure.
Time Frame: 6 months post-intervention
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6 months post-intervention
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
In addition to achieving lower infant smoke exposure rates in the MI condition, we expect MI will produce significant changes in several domains (e.g. self-efficacy, motivation to change).
Time Frame: 1 month, 3 months, and 6 months post-intervention
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1 month, 3 months, and 6 months post-intervention
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Additional preliminary clinical outcomes will be assessed for the generation of evidence-based hypotheses, including differential impact on respiratory symptoms and diagnoses.
Time Frame: 1 month, 3 months, and 6 months post-intervention
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1 month, 3 months, and 6 months post-intervention
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Additional preliminary clinical outcomes will be assessed for the generation of evidence-based hypotheses, including differential impact on healthcare utilization.
Time Frame: 1 month, 3 months, and 6 months post-intervention
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1 month, 3 months, and 6 months post-intervention
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Finally, the impact on ETS outcomes of having an infant with Bronchopulmonary Dysplasia will be explored.
Time Frame: 1 month, 3 months, and 6 months post-intervention
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1 month, 3 months, and 6 months post-intervention
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Angela L Stotts, Ph.D., The University of Texas Health Science Center, Houston
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- R40 MC 08962-01
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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