VDORA1 Study

Study Type


Study Purpose

Low levels of Vitamin D have been recognized as a common factor in children who have asthma.

The VDORA1 research study will evaluate how much Vitamin D supplement a child must take to get their Vitamin D to a certain level in his or her blood. What we learn in this study may help us determine the possible relationship between Vitamin D and asthma symptoms.

About the Study

Eligible participants will visit the Pennington Biomedical Outpatient clinic to enroll and complete study visits. Participants will take Vitamin D supplements for a certain period of time and then will visit with the study staff to evaluate the Vitamin D levels in his or her body.

Study Design

Number of Visits:

  • 1 screening visit
  • 8 study visits


  • Questionnaires
  • Physical exam
  • Medical history
  • Body measurements (height, weight, etc.)
  • Blood tests
  • Urine tests
  • Daily journals for asthma symptoms

Study Qualifications

To qualify for this research study, participants should:

  • Be 6 to 17 years old
  • Have a BMI greater than or equal to the 85th percentile calculate bmi
  • Be diagnosed with asthma
  • Have a current relationship with an asthma care provider (specialist or primary care physician)
  • Be able to swallow an average size pill
* You may not qualify for this study based on other eligibility criteria not listed. The study coordinator will go over this information in detail.

Study Duration

Participation in this study will last approximately 8 months.


Participants will be compensated for their time and travel.

Study Contact

To see if your child qualifies for this research study, a parent or guardian must complete the online screening form below. You may also call 225-763-3000 or email clinicaltrials@pbrc.edu.

If you think you may be eligible, please click the button below to screen online.


Please do not fill out this questionnaire for anyone other than yourself unless you are their legal guardian.
If you know someone who may be interested please direct them to the site or have them call us directly at 225-763-3000.


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