Asthma and Obesity Diet Versus Exercise
Public ClinicalTrials.gov record NCT03644355. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Obesity and Asthma: Determinants of Inflammation and Effect of Intervention
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Obesity is recognized as a pro-inflammatory condition associated with multiple chronic diseases, including asthma. The specific mechanisms linking asthma and obesity remain hypothetical. Our primary hypothesis is that inflammatory SNPs may regulate the degree of the inflammatory response, with obesity modifying the severity of the disease. In this instance, asthma that develops in the context of obesity demonstrates the potential deleterious relationship between a specific proinflammatory state (obesity) and the genetic regulators of inflammation (SNPs). Our secondary hypothesis proposes that short-term (12-weeks) weight loss by diet alone, but not exercise alone, will reduce lung specific inflammation and diminish the pro-inflammatory responses in female African American obese adolescents with asthma compared to a waiting list control group who after their initial 12 weeks then receive a combined 12-week diet plus exercise program (waiting list control/combined). A third exploratory hypothesis proposes that the frequency of identified SNPs will be significantly related to the amount of fat loss through diet, exercise or combined program and will further be mediated by specific airway and, pro-and-anti-inflammatory markers.These hypotheses will be tested using the following Specific Aims: 1. To determine the frequency of single nucleotide polymorphisms and SNP haplotypes in pro- and anti-inflammatory genes in female African American obese and non-obese asthmatic and non-asthmatic adolescents, 13-19 years or age. 2. To examine the effects of diet or exercise on lung specific inflammation (exhaled nitric oxide, \[eNO\]) and pro-and-anti-inflammatory responses in female African-American obese asthmatic and non-asthmatic adolescents compared to a waiting list control/ combined group. In addition we will examine the following Exploratory Aim: To determine the effects of the inflammatory SNPs in the modulation of several inflammatory markers and lung specific inflammation (eNO) in female African-American obese asthmatic and non-asthmatic adolescents before and after weight loss through diet, exercise or both.
Study identification
- NCT ID
- NCT03644355
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 110 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 13 Years to 19 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 18, 2010
- Primary completion
- Aug 3, 2016
- Completion
- Aug 3, 2016
- Last update posted
- Aug 22, 2018
2010 – 2016
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Louisiana State University Health Sciences Center | New Orleans | Louisiana | 70112 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03644355, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 22, 2018 · Synced Sep 8, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03644355 live on ClinicalTrials.gov.