Type 1 Diabetes Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You are able to give your own consent to take part in the study
- You are between 18 and 65 years old
- You have been diagnosed with Type 1 diabetes
- You have been using a Tandem t:slim X2 or Tandem Mobi insulin pump with the Control-IQ feature for at least 90 days before the screening visit
- You use insulin aspart or insulin lispro in your Tandem pump
- Your total daily insulin dose is between 20 and 80 units
- Your usual insulin dose for a 50-gram carbohydrate lunch meal is 12 units or less
- You are physically active, doing at least 3 moderate or vigorous exercise sessions of 30 minutes or more per week (self-reported)
- You have no medical, mental health, or other conditions, or medications that the study doctor believes would make participation unsafe
- You have no heart rhythm abnormalities on an ECG (heart tracing) that the study doctor believes would make exercise risky for you
- The study doctor believes you can safely follow the study plan
- You can read and understand written and spoken English or Spanish
Who may not be able to join:
- You have used inhaled insulin in the week before the screening visit
- You have a history of asthma, COPD, cystic fibrosis, or any other significant lung or heart-lung condition
- You have smoked (cigarettes, cigars, pipes, marijuana, or vaping) in the 90 days before the screening visit, or plan to smoke during the study
- You have a history of or current lung cancer
- Your lung function test (measuring how much air you can breathe out in one second) is below 70% of the expected level for your age and body size
- You are pregnant, breastfeeding, planning to become pregnant, or are able to become pregnant and are not using an accepted form of birth control (confirm with trial site)
- You have had a severe low blood sugar episode in the 90 days before the screening visit, as judged by the study doctor
- You have had a diabetic ketoacidosis (DKA) episode in the 90 days before the screening visit
- You have any condition other than diabetes, or take any medication (such as beta blockers), that the study doctor believes may significantly affect your blood sugar levels
- You have used any non-insulin blood sugar-lowering medication, or a weight-loss medication that also lowers blood sugar, in the 4 weeks before the screening visit
- You have taken part in another medical research study involving an experimental drug in the 90 days before the screening visit
- You are currently using or expect to use steroid medications taken by mouth, inhaled, or by injection during the study (skin creams or nasal sprays containing steroids are acceptable)
- You currently use a medication called Hydroxyurea
- You currently follow or plan to follow a very low carbohydrate diet (less than 50 grams per day) or a very low calorie diet (less than 800 calories per day) during the study
- You are currently receiving treatment for diabetic eye disease (diabetic retinopathy)
- You have advanced chronic kidney disease (stage 4 or 5) or are on dialysis
- Your direct work supervisor is involved in running this clinical trial, or a close family member (parent, sibling, or child) is directly involved in running the study
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Michael R Rickels, MD, MA, University of Pennsylvania
Phone: 813-975-8690
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Blood glucose <70 mg/dL
Can't join this trial?
Data last synced from ClinicalTrials.gov: 9 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.