We are currently enrolling pump users and multiple daily injection (MDI) users via syringe and vial. We are not enrolling MDI participants who use MDI insulin pens at this time. If you are interested in being part of the study, please send an email to T1DEXI@jaeb.org and we will notify you once enrollment begins for MDI insulin pen users. We expect to begin enrollment for participants who use insulin pens in mid-2020.


  Type 1 Diabetes EXercise Initiative

This is a 4-week at-home study exploring how blood sugar changes during exercise in people with type 1 diabetes.

Who can participate?

Participants must:

  • Have had type 1 diabetes for at least 2 years
  • Be 18 to 70 years old
  • Regularly use or willing to use a Dexcom G6 continuous glucose monitor (CGM)
  • Use an Android or iOS smartphone
  • Have access to a computer with internet
  • Live in the U.S. during the study

Participants may not:

  • Be pregnant, plan on becoming pregnant, or are breastfeeding
  • Have had 2 or more episodes of severe low blood sugar (hypoglycemia) in the last 12 months that required help from another person to treat
  • Plan on making an extreme change in diet
If you decide to participate, you will be asked additional questions to confirm that you are eligible. Medical clearance for exercise from a licensed personal health care provider may be needed to participate. Depending on your age and how long you have had diabetes, you may need to have an EKG.

What does the study involve?
  • 4-week study conducted at home through virtual video visits
  • Being active for at least 2 and half hours a week
  • Completing study exercise sessions in addition to your usual activity
  • Wearing a continuous glucose monitor (CGM)
  • Wearing a wrist worn physical activity recorder
  • Using a study app to track your food and exercise
  • Uploading diabetes device data to a central database
  • Providing information through online questionnaires
Compensation is available for completing study requirements.

What are the next steps?
Once you click "Next" at the bottom of this page:
  • You will review the informed consent, which has specific details about what you will be asked to do.
  • You will be asked to enter your email address that you would like to use for the study. We will NOT save this email unless you submit the consent agreeing to participate.
  • After completing the consent, you will be asked questions to see if you may be eligible.
  • If eligible, you will be asked to complete some study questionnaires.
  • You will also be provided with instructions for completing Medical Clearance, if required.
  • Once ready to begin the study, you will receive virtual training and supplies to start the study.

What if I have questions?

If you have any questions, contact the T1-DEXI Study team Monday through Friday 8 AM to 5 PM ET by email T1Dexi@jaeb.org or phone (813) 975-8690.

The study is being done by the Jaeb Center for Health Research and is funded by the Leona M. and Harry B. Helmsley Charitable Trust.