# Control-IQ Observational (CLIO) Post-Approval Study

> **NCT04503174** · — · COMPLETED · sponsor: **Tandem Diabetes Care, Inc.** · enrollment: 3157 (actual)

## Conditions studied

- Diabetes Mellitus, Type 1

## Interventions

- **DEVICE:** t:slim X2 pump with Control-IQ technology

## Key facts

- **NCT ID:** NCT04503174
- **Lead sponsor:** Tandem Diabetes Care, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-08-04
- **Primary completion:** 2023-06-02
- **Final completion:** 2023-06-26
- **Target enrollment:** 3157 (ACTUAL)
- **Last updated:** 2023-12-08

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04503174

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04503174, "Control-IQ Observational (CLIO) Post-Approval Study". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04503174. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*