Kidney STONES Study


Why did I get an invitation to be in this study?

Your address was randomly selected from mailing lists.

How will my privacy be protected?
Study records that identify you will be kept confidential as required by law. Urine test results will be labeled with study ID only. Your contact information will not be given to another organization.

Who pays for this study?
Nestec Ltd (Vevey, Switzerland) is sponsoring this study.

Do I have to pay to be in this study?

No. There will be no cost to you for you to be in this study. There will be no charge to you or your insurance company for costs directly related to this study.

Will the investigators make money from this study?

No, the investigators will not profit from this study. Dr. Jodi Stookey is responsible for doing this study at Children’s Hospital Oakland Research Institute (CHORI).  Dr. Stookey does not have any financial ties or interactions with the sponsor, Nestec Ltd. that would influence the conduct of this study or the reporting of the results.

Is there a time limit for this study?

Yes, participants will be accepted into this study on a first come first serve basis until December 15, 2010.

There is more than one adult at this address. Can they all be in the study?

Only one adult per household can participate by giving one urine sample, one time only.

How do I know if I am healthy enough to be in this study?

You can be in this study if you are healthy enough to go to work (i.e. no acute illness, no fever).

Can I go to my regular clinic to give the urine sample?

No. We have arranged for Quest Diagnostics to collect all the urine samples so that all samples are handled in the same way.

Can I give the urine sample on a Saturday or a Sunday? Or late afternoon?

No. This study will collect urine samples on weekdays between 8:30-9:30am. 

If you have questions, please email us at


Revised: Thursday, February 24, 2011 1:46 PM


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