- Conditions
- Asthma
- Interventions
- vitamin D3 4000 IU, Placebo
- Drug
- Lead sponsor
- Juan Celedon, MD
- Other
- Eligibility
- 6 Years to 16 Years
- Enrollment
- 192 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 7
- States / cities
- San Francisco, California • Denver, Colorado • Boston, Massachusetts + 4 more
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