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Clinical trial Recruiting at 1 site Observational

Understanding long-term effects of Type 1 Diabetes in patients

Official title: Clinical Characteristics of People With Long-term Type 1 Diabetes: a Cohort Study

Run by Second Xiangya Hospital of Central South University · NCT05359796 · Data updated 2026-11-12

This study is trying to learn more about the long-term effects of Type 1 Diabetes in people who have had it for at least 10 years, by looking at their health data over three years.

Quick facts

Study typeObservational
SexAll
Enrollment400 (estimated)
SponsorSecond Xiangya Hospital of Central South University
Academic / other
Locations1 site (Changsha, Hunan)
StatusRecruiting
StartedMay 1, 2022
Main results expectedDecember 31, 2025
Study endsDecember 31, 2027
Registry record updatedMay 4, 2022
Trial IDNCT05359796 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals diagnosed with Type 1 Diabetes for 10 years or more who are insulin-dependent.

Probably not a fit

Patients with Type 2 diabetes, gestational diabetes, or other specific types of diabetes will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to collect clinical and laboratory data from 400 patients with Type 1 Diabetes (T1D) who have had the condition for at least 10 years. Over a period of three years, patients will be followed up annually to explore risk and protective factors associated with microvascular complications. The study will utilize regression analysis to identify these factors and ensure data accuracy through a dual-entry system for data collection. The findings aim to enhance understanding of long-term T1D characteristics, particularly in the context of the Chinese population.

Why it matters

Potential benefit: If successful, this study could lead to improved prediction and prevention strategies for microvascular complications in long-term T1D patients.

How similar studies have gone: While studies on long-term T1D exist, this specific focus on the Chinese population and the identification of protective factors is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria 
Inclusion Criteria:

* Individuals diagnosed with type 1 diabetes(T1D) according to the 1999 World Health Organization report
* Insulin dependence from disease onset
* with T1D duration of ≥10 years
* able to understand the procedures and methods of this study, voluntarily participate in the study, and agree to sign the informed consent form

Exclusion Criteria:

* patients with type 2 diabetes, gestational diabetes, or specific types of diabetes
* patients with mental disability or have any other condition or disease that may hamper compliance with the protocol

Where it's running

  • Institute of Metabolism and Endocrinology, Second Xiangya Hospital, Central South University
    Changsha, Hunan, China     Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.