Circulating Biomarkers in the Development of Type 1 Diabetes
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: One-time blood (up to 100 ml) will be drawn and the amount of blood drawn is based on weight. Saliva and urine will be collected during the blood draw visit..
- Who it may be relevant to
- Registry conditions: Diabetes. Basic parameters: No limits · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- United States
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Unsure about the terms? Read our patient guide →
Official title
Circulating Biomarkers of Beta Cell Loss/Dysfunction in Diabetes
Overview
More than 100 million U.S. adults are now living with diabetes or prediabetes. Investigators still do not fully understand how diabetes develops and how the disease worsens. Insulin is a hormone that helps the body use sugar as a fuel and control blood-sugar levels. People with diabetes have problems making insulin. This is because their insulin-producing beta cells -in the pancreas-are damaged or destroyed. A biomarker is a biological molecule (such as DNA, RNA (the genetic material of cells) or protein) that is a sign of a normal or abnormal process, or of a condition or disease. A biomarker can be measured and found in blood and/or other body fluids (such as saliva and urine). Understanding the biology of beta cells could help find diabetes-related biomarkers. The discoveries from this research could help with early diagnosis of diabetes and lead to the creation of therapies for treating diabetes.
Interventions
- Other One-time blood (up to 100 ml) will be drawn and the amount of blood drawn is based on weight. Saliva and urine will be collected during the blood draw visit.
One-time blood (up to 100 ml) will be drawn and the amount of blood drawn is based on weight. Saliva and urine will be collected during the blood draw visit.
Primary outcome measures
- Identification of circulating biomarkers that correlate with beta cell death in type 1 diabetes compared to healthy controls [Time frame: Baseline]
- Changes in frequency of circulating biomarkers that correlate with beta cell death from type 1 diabetes patients compared to other cohorts [Time frame: Baseline]
Eligibility criteria
Inclusion criteria
- Documented informed consent/ assent from the subject
- ONE of the following:
- Type 1 diabetes patients (including pediatric patients) -OR-
- Adult type 2 diabetes patients -OR-
- Volunteers who are islet auto-antibody positive (i.e. insulin, GAA, IA-2, IAA and ZnT8 antibodies) with HbA1c ≤ 5.6% (including pediatric patients)-OR-
- Adult participants with clinical diagnosis of high blood sugar (i.e. HbA1c of 5.7% to 6.4%)-OR-
- Adult control subjects with HbA1cc ≤ 5.6%
- Weight ≥ 30 kg
- Willingness to: Provide blood sample(s) and if applicable: permit medical record/ clinical laboratory result review
Exclusion criteria
- Control subjects must not have any chronic conditions or have undergone cellular, tissue or organ transplant
- Sickle cell disease or anemia (exception: anemia that is corrected with treatment and source documents confirm corrected blood parameters current within 6 months of blood draw)
- Active infection
- Active malignancy (i.e., currently undergoing treatment)
- Immunomodulatory therapy within 1 year of planned blood draw (may include immune checkpoint inhibitors, thalidomide, lenalidomide, pomalidomide, imiquimod, Bacillus Calmette-Guérin, and cytokines/ growth factors (e.g. interferons, interleukins)
- Type 1 diabetes only: polyclonal regulatory T cell and/or dendritic cell therapy
- Bleeding disorder
- Women of childbearing potential: Pregnant/ nursing (Note: Eligibility may be deferred per blood donation timelines for pregnancy/nursing)
- Diabetic patients only: Any clinical condition that might be adversely affected by the removal of up to 100 mL of blood
- An employee who is under the direct/ indirect supervision of the PI/ a co-investigator/ the study manager
- A direct study team member
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: Yes
Study design
- Observational model
- Case-control
Study locations
United States · 1 center
- City of Hope Medical Center — Duarte
Identifiers
NCT: NCT05505669 · 20477 · R01DK125856