China Diabetes Type 1 Study (CD1S) by China Alliance for Type 1 Diabetes

Last updated: August 10, 2022
Sponsor: Second Xiangya Hospital of Central South University
Overall Status: Active - Recruiting

Phase

N/A

Condition

Diabetes Mellitus, Type 1

Diabetic Foot Ulcers

Diabetic Macular Edema

Treatment

N/A

Clinical Study ID

NCT05498974
CD1S
  • All Genders

Study Summary

The aim of the China Diabetes Type 1 Study (CD1S) is to conduct a nationwide type 1 diabetes (T1D) registry study in patients with T1D and in pediatric adolescent patients with diabetes who had an age of onset <= 20 years.

CD1S compromises a retrospective study enrolling inpatients hospitalized from Jan 1st, 2016 to Dec 31, 2021, and a prospective study beginning from the year 2022.

Eligibility Criteria

Inclusion

Inclusion Criteria:

    1. Patients with type 1 diabetes mellitus of any duration; meeting criteria (1) or anyof (2) or any of (3)
  1. Clinical diagnosis of type 1 diabetes by a specialist
  2. Age at onset < 15 years; no overweight or obesity at onset; previous diabeticketoacidosis; highest random C-peptide < 200 pmol/L
  3. Initiation and continuation of insulin therapy (except pancreatic or islettransplantation) after diagnosis; positive islet autoantibodies Or 2. Childrenand adolescents with diabetes mellitus at age of onset <= 20 years, regardless oftype and duration of disease.

Exclusion

Exclusion Criteria:

  • For enrolment of patients with T1D, exclusion was made if any of the followingcriteria were met (not applicable to those with onset under 20 years of age)
  • No insulin dependence for at least 6 months after diagnosis of diabetes mellitus.
  • No DKA for 1 month off insulin for those with a history of diabetes > 1year. ③ C-peptide > 800 pmol/L at any time point.

Study Design

Total Participants: 20000
Study Start date:
January 01, 2022
Estimated Completion Date:
December 31, 2035

Study Description

The aim of the China Diabetes Type 1 Study (CD1S) is to conduct a nationwide type 1 diabetes (T1D) registry study to investigate the demographic characteristics, metabolic control, complications occurrence as well as risk factors of patients with T1D, and to investigate the clinical features, complications' burdens and risk factors in pediatric adolescent patients with diabetes who had an age of onset <= 20 years.

Connect with a study center

  • Gansu Provincial People's Hospital

    Lanzhou, Gansu
    China

    Active - Recruiting

  • Shenzhen Second People's Hospital

    Shenzhen, Guangdong
    China

    Active - Recruiting

  • Hainan General Hospital

    Haikou, Hainan 570311
    China

    Active - Recruiting

  • the First Affiliated Hospital of Harbin Medical University

    Harbin, Heilongjiang
    China

    Active - Recruiting

  • The First Affiliated Hospital of Henan University of Science and Technology

    Luoyang, Henan
    China

    Active - Recruiting

  • The Second Xiangya Hospital, Central South University

    Changsha, Hunan 410000
    China

    Active - Recruiting

  • The First Affiliated Hospital of Nanjing Medical University

    Nanjing, Jiangsu
    China

    Site Not Available

  • Heji Hospital Affiliated to Changzhi Medical College

    Changzhi, Shanxi
    China

    Active - Recruiting

  • The First Affiliated Hospital of Xinjiang Medical University

    Urumqi, Xinjiang 830017
    China

    Active - Recruiting

  • The First People's Hospital of Yunnan

    Kunming, Yunnan
    China

    Active - Recruiting

  • Zhejiang Provincial People's Hospital

    Hangzhou, Zhejiang
    China

    Active - Recruiting

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