ClinicalTrials.Veeva

Menu

Control-IQ Observational (CLIO) Post-Approval Study

Tandem Diabetes Care logo

Tandem Diabetes Care

Status

Completed

Conditions

Diabetes Mellitus, Type 1

Treatments

Device: t:slim X2 pump with Control-IQ technology

Study type

Observational

Funder types

Other
Industry

Identifiers

NCT04503174
CLIO Study

Details and patient eligibility

About

Post-approval 522 study designed to collect primarily safety data on the US FDA-cleared product, t:slim X2 insulin pump with Control-IQ technology (Control-IQ system).

Full description

Post-approval study designed to collect primarily safety data on the US FDA-cleared product, t:slim X2 insulin pump with Control-IQ technology (Control-IQ system), by assessing the rate of severe hypoglycemia (SH) and diabetic ketoacidosis (DKA) during the first 12 months of use. Secondary endpoints assessing the effectiveness of this product in real-world use by assessing the impact on patients' glycemic outcomes and user experience will also be collected. The Control-IQ system will be used as intended and in accordance with FDA-approved labeling.

Enrollment

3,157 patients

Sex

All

Ages

6+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients with self-reported type 1 diabetes who have been prescribed the Control-IQ system.
  • At least 6 years of age
  • Using Humalog or Novolog insulin
  • For females, not pregnant or planning pregnancy in the next 12 months.
  • Agreement to use the t:slim X2 with Control-IQ technology, and to continue use for at least 12 consecutive months after study enrollment.
  • Agree to provide HbA1c result, obtained within the 6-month period prior to enrollment.
  • Ability to respond to alerts and alarms, and to provide basic diabetes self-management.
  • Patients who reside full-time in the United States.
  • Willingness to download the t:connect Mobile application to their Smartphone and keep it active throughout the study. Patients unable to use t:connect Mobile application must be willing to manually upload their insulin pump data to t:connect every three months and at the completion of the study.
  • Subject has read, understood and agreed to participate in the study, and has electronically signed the Informed Consent Form (ICF).

Exclusion criteria

  • Self-reported type 2 diabetes
  • < 6 years of age
  • Use of any glucose-lowering therapy other than Humalog or Novolog insulin
  • Inability to respond to alerts and alarms, or to provide basic diabetes self-management.
  • Pregnancy
  • Subjects who have not signed the ICF.

Trial design

3,157 participants in 7 patient groups

Pump Naive
Description:
New to insulin pump use
Treatment:
Device: t:slim X2 pump with Control-IQ technology
6-13 YO
Description:
Subjects between the age of 6-13 years old.
Treatment:
Device: t:slim X2 pump with Control-IQ technology
14-17 YO
Description:
Subjects between the age of 14-17 years old.
Treatment:
Device: t:slim X2 pump with Control-IQ technology
Adults (18+)
Description:
Subjects are 18 years old and older.
Treatment:
Device: t:slim X2 pump with Control-IQ technology
CGM Naive
Description:
Subjects have not used CGM in the 30 days prior to enrollment.
Treatment:
Device: t:slim X2 pump with Control-IQ technology
HbA1c more than or equal to 8.5%
Description:
Subjects have an HbA1c of more than or equal to 8.5% in the 3 months prior to enrollment.
Treatment:
Device: t:slim X2 pump with Control-IQ technology
HbA1c less than or equal to 8.5%
Description:
Subjects have an HbA1c of less than or equal to 8.5% in the 3 months prior to enrollment.
Treatment:
Device: t:slim X2 pump with Control-IQ technology

Trial documents
1

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems