- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01280682
Immune Intervention With Rituximab to Preserve Beta Cell Function in Early Onset Type 1 Diabetes
Immune Intervention With Anti-CD20 Monoclonal Antibody to Preserve Beta Cell Function in Early Onset Type 1 Diabetes
Study Overview
Detailed Description
Although the presence of autoantibodies is a diagnostic criterion, the immunopathogenesis of beta-cell destruction in type 1 diabetes is typically associated with T-lymphocyte autoimmunity.
Many T-lymphocyte-mediated diseases include a B-lymphocyte component. B lymphocytes can play a crucial role as antigen-presenting cells, expressing high levels of class II major-histocompatibility-complex antigens and generating cryptic peptides to which T lymphocytes are not tolerant.
B lymphocytes can be selectively depleted with the anti-CD20 monoclonal antibody. We will test the hypothesis that transient elimination of B lymphocytes with anti-CD20 monoclonal antibody would decrease immune-mediated destruction of beta cells and result in preserved beta-cell function in patients with type 1 diabetes of recent onset.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Contact
- Name: Tao Yang, MD/PhD
- Phone Number: 6466 86-25-83718836
- Email: yangt@njmu.edu.cn
Study Locations
-
-
Jiangsu
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Nanjing, Jiangsu, China, 210029
- First Affiliated Hospital, Nanjing Medical University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Confirmed diagnosis of type 1 diabetes
- The age of subjects between 8 and 70 years old
- Course of disease within 12 months
- Presence of at least one type of detectable islet autoantibody [zinc transporter 8 antibody(ZnT8A),glutamic acid decarboxylase antibody(GADA),protein tyrosine phosphatase-2 antibody(IA-2A),insulin autoantibody(IAA)]
- Fasting C-peptide levels of at least 0.2 pmol/mL
Exclusion Criteria:
- Confirmed diagnosis of type 2 diabetes
- Severe chronic or acute complications of diabetes
- Severe infection or damage to the immune response
- Presence of chronic latent infection in vivo
- Viral hepatitis B patients whose hepatitis B virus(HBV)DNA > log10^5
- Liver and kidney dysfunction, alanine aminotransferase(ALT), aspartate aminotransferase(AST), and creatinine more than 2 times the upper limit of normal
- Hypotension, systolic blood pressure(SBP) ≤ 90mmHg, diastolic blood pressure(DBP) ≤ 60mmHg
- Patients with rheumatoid arthritis
- Allergic to any component of this drug
- Pregnancy, breast-feeding women
- Use of other immunosuppressive agents 3 months before selected
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: rituximab
patients who had newly diagnosed type 1 diabetes are assigned to receive infusions of rituximab of 125mg/m^2 day1 day8 day15 day22 repeat after six months (only day1 and day8) besides insulin
|
anti-CD20 monoclonal antibody 125mg/m^2 day1 day8 day15 day22 repeat after six months (only day1 and day8)
Other Names:
|
No Intervention: parallel control
patients who had newly diagnosed type 1 diabetes only use insulin
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change of 3-hour Mean Area Under the Curve (AUC) of C-peptide
Time Frame: 6 months after participants completed the injection
|
Change of 3-hour mean area under the curve (AUC) of C-peptide at 6 months from baseline.
AUC was calculated from C-peptide timing measurements during the 3-hour mixed meal tolerance test with the trapezoidal rule.
The mean AUC for C-peptide is equal to the calculated AUC divided by the 3 h interval (i.e., AUC/180).
All mean C-peptide AUC data were transformed as log (mean AUC) for analysis.
|
6 months after participants completed the injection
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change of Fasting C-peptide
Time Frame: 6 months after participants completed the injection
|
The change of fasting level of C-peptide during the 3-hour of a mixed meal tolerance test at 6 months from baseline.
All fasting C-peptide data were transformed as log (fasting C-peptide) for analysis.
|
6 months after participants completed the injection
|
Change of Peak C-peptide
Time Frame: 6 months after participants completed the injection
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The change of peak level of C-peptide during the 3-hour of a mixed meal tolerance test at 6 months from baseline.
All peak C-peptide data were transformed as log (peak C-peptide) for analysis.
|
6 months after participants completed the injection
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HbA1c Levels
Time Frame: 6 months after participants completed the injection
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Glycated hemoglobin (HbA1c) levels (%)
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6 months after participants completed the injection
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Tao Yang, MD/PhD, First Affiliated Hospital, Nanjing Medical University, China
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Immune System Diseases
- Autoimmune Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Diabetes Mellitus, Type 1
- Physiological Effects of Drugs
- Antirheumatic Agents
- Antineoplastic Agents
- Immunologic Factors
- Antineoplastic Agents, Immunological
- Rituximab
Other Study ID Numbers
- 2010-SR-021
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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