Completed OBSERVATIONAL NCT03437551

Prevalence of DRP and DME Among Type 1 Diabetics Treated With Long-term Intensified Insulin Therapy

A Cross Sectional Study Assessing the Prevalence of Different Stages of Diabetic Retinopathy and Diabetic Macular Edema Among Type 1 Diabetic Patients Treated With Long-term Intensified Insulin Therapy

Sponsor: University Hospital, Zürich

Conditions Insulin-Dependent Diabetes Mellitus 1

Interventions cross-sectional observation

Updated 7 times since 2018 Last updated: Feb 26, 2018 Started: Sep 30, 2012 Primary completion: Dec 31, 2014 Completion: Dec 31, 2014

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Insulin-Dependent Diabetes Mellitus 1, this trial is completed. The trial is conducted by University Hospital, Zürich and has accumulated 7 data snapshots since 2012. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed
Sep 2024 — Sep 2025 [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2021 — Jul 2024 [monthly]

Completed
Jun 2018 — Jan 2021 [monthly]

Completed

▶ Show 2 earlier versions

Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None
Mar 2018 — Apr 2018 [monthly]

Completed NA

First recorded

Sep 2012

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University Hospital, Zürich
Vista Klinik

Data source: Vista Klinik

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Zurich, Switzerland