Duke Pulmonary Medicine is currently recruiting male and female volunteers (18 - 65 years of age) who have a history of asthma for a research study called SANDIA (Supplementing L-citrulline to overweight late Asthma oNset phenotypes to increase airway L-arginine/ADMA ratio and Improve Asthma control). The goal is to see if a supplement called L-Citrulline can help control asthma better in subjects who are overweight. If you decide to participate, Dr. Loretta Que at Duke or Dr. Fernando Holguin at University of Colorado will be your doctor for the study.

The survey below will ask you a few basic questions to assist us in contacting you to inform you about the study and to confirm you meet certain study criteria. If you prefer, we can also ask you the survey questions over the phone and complete the survey for you.

Completion of the survey also means that your information will be seen by members of the Duke Pulmonary Medicine research team. The only risk to you is the risk of loss of confidentiality. However, all of the individuals who will see your information are trained professionals who work with healthcare information daily and are aware of the importance of maintaining confidentiality of health records. Your personal Information will be stored securely and can be withdrawn at any time.

Based on your survey responses, if you meet study criteria for the SANDIA study, we will contact you to schedule a screening visit.

Please follow hyperlink to view Informed Consent Form for the SANDIA research study.

For questions or more information please call the Duke Airway Research group at 919-479-0861.

To be considered for the SANDIA study, please complete the survey below.

Thank you!

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COMIRB Number: 19-0219

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