Presence of Circulating Cluster of Differentiation 4 Positive 28 Null T Helper Lymphocytes(CD4+CD28-) in Patients With Autoimmune Hemolytic Anemia.
Presence of Circulating CD4+CD28 Null T Helper Lymphocytes in Patients With Autoimmune Hemolytic Anemia.
1 other identifier
observational
46
0 countries
N/A
Brief Summary
- 1.Study the presence of circulating CD4+/CD28 null T lymphocytes in AIHA either Idiopathic or Secondary.
- 2.Role of CD4+/CD28 null T lymphocytes in monitoring response to therapy in AIHA.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Jan 2023
Typical duration for all trials
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 13, 2023
CompletedStudy Start
First participant enrolled
January 30, 2023
CompletedFirst Posted
Study publicly available on registry
February 2, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 30, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2025
CompletedFebruary 2, 2023
January 1, 2023
2 years
January 13, 2023
January 31, 2023
Conditions
Outcome Measures
Primary Outcomes (1)
Role of CD4+CD28 null T helper lymphocytes in monitoring response to therapy in AIHA using flowcytometry in serum of AIHA patients.
The potential role of CD4+CD28 null T lymphocytes in monitoring response to therapy in AIHA . the percentage of circulating CD4+CD28 null T helper lymphocytes in AIHA either Idiopathic or Secondary using flowcytometry in serum of AIHA patients.
Baseline
Eligibility Criteria
All newly diagnosed patients with AIHA without taking current steroid therapy ,other concurrent chronic inflammatory conditions ,recent blood transfusion or active Hepatitis C virus
You may qualify if:
- newly diagnosed patients with AIHA 2- patients with idiopathic or secondary AIHA
You may not qualify if:
- current steroid therapy 2- other concurrent chronic inflammatory conditions 3-recent blood transfusion 4- active Hepatitis C virus
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Publications (6)
Barcellini W. New Insights in the Pathogenesis of Autoimmune Hemolytic Anemia. Transfus Med Hemother. 2015 Sep;42(5):287-93. doi: 10.1159/000439002. Epub 2015 Sep 7.
PMID: 26696796BACKGROUNDYoussef SR, Elsalakawy WA. First report of expansion of CD4+/CD28 null T-helper lymphocytes in adult patients with idiopathic autoimmune hemolytic anemia. Hematol Transfus Cell Ther. 2021 Oct-Dec;43(4):396-401. doi: 10.1016/j.htct.2020.04.010. Epub 2020 Jul 16.
PMID: 32709527BACKGROUNDFattizzo B, Barcellini W. Autoimmune Cytopenias in Chronic Lymphocytic Leukemia: Focus on Molecular Aspects. Front Oncol. 2020 Jan 10;9:1435. doi: 10.3389/fonc.2019.01435. eCollection 2019.
PMID: 31998632BACKGROUNDJager U, Barcellini W, Broome CM, Gertz MA, Hill A, Hill QA, Jilma B, Kuter DJ, Michel M, Montillo M, Roth A, Zeerleder SS, Berentsen S. Diagnosis and treatment of autoimmune hemolytic anemia in adults: Recommendations from the First International Consensus Meeting. Blood Rev. 2020 May;41:100648. doi: 10.1016/j.blre.2019.100648. Epub 2019 Dec 5.
PMID: 31839434BACKGROUNDBroux B, Markovic-Plese S, Stinissen P, Hellings N. Pathogenic features of CD4+CD28- T cells in immune disorders. Trends Mol Med. 2012 Aug;18(8):446-53. doi: 10.1016/j.molmed.2012.06.003. Epub 2012 Jul 10.
PMID: 22784556BACKGROUNDThewissen M, Somers V, Hellings N, Fraussen J, Damoiseaux J, Stinissen P. CD4+CD28null T cells in autoimmune disease: pathogenic features and decreased susceptibility to immunoregulation. J Immunol. 2007 Nov 15;179(10):6514-23. doi: 10.4049/jimmunol.179.10.6514.
PMID: 17982040BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Resident in clinical pathology department
Study Record Dates
First Submitted
January 13, 2023
First Posted
February 2, 2023
Study Start
January 30, 2023
Primary Completion
January 30, 2025
Study Completion
April 1, 2025
Last Updated
February 2, 2023
Record last verified: 2023-01