Crohn’s Exposome

Exposures Matter
Investigating the role of human exposome in Crohn’s disease using wearable sensors and multiomics profiling.

volunteers needed
Exposome Cloud Figure credited to Chao Jiang

About the Study

We conduct the study to better understand the association between airborne exposures and onset and flares of Crohn’s disease.

Is There a Cost to Participate?

No, there is no cost to participants. If eligible, we’ll reimburse you for your participation.

Am I Eligible?

To be eligible for the study, you must be:

 

  • At least 8 years old
  • Not pregnant, if female
  • Read and understand English
  • Diagnosed with Crohn’s Disease

Healthy volunteers (not diagnosed with Crohn’s disease or ulcerative colitis) are welcome too!

PHYSIOME

We’ll monitor physiological parameters, such as heart rate, blood oxygen level, steps and calories using a smartwatch.

FOOD LOG

We’ll monitor the food intake using the Cronometer App.

EXPOSOME

Environmental exposures, including both chemical and biological exposures, are monitored using a phone-sized device.

METABOLOME & IMMUNOME

Metabolites and immune markers in the blood are monitored as well.

Frequently Asked Questions

What do I need to do if I choose to participate?

You’ll be asked to carry a phone-sized personal exposure monitor with you or place it within a few feet as you move around in your daily life. You’ll wear a smartwatch on your wrist and keep a food log. In addition, you’ll provide some blood, stool and urine samples.

How long is the study?

Your participation will be 6 to 12 months.

Is there a cost to participate?

No, there is no cost to participants. If eligible, we’ll reimburse you for your participation.

Where is the study taking place?

For the most part, the study is done at your own home. You may need to come in for in person visits every three months held at School of Medicine, Stanford University.

Am I eligible?

To be eligible for the study, you must be:
– At least 8 years old
– Not pregnant, if female
– Read and understand English
– Diagnosed with Crohn’s Disease

To participate in the study as a healthy volunteer, you must be:
– At least 8 years old
– Not pregnant, if female
– Read and understand English
– Not diagnosed with Crohn’s Disease or Ulcerative Colitis

Cronometer

tracks up to 82 micronutrients

Exposometer

is an air sampling sensor
exposometer

Senswatch

measures temperature, time pattern, heart rate, blood pressure and blood oxygen
fitbit_ionic

The study is proudly supported by the

Leona M. and Harry B. Helmsley Charitable Trust

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