Clinical & Diagnostic Value of Ribosomal p2 Autoantibodies in Systemic

Status Not yet recruiting

Clinical Trial Summary

Systemic lupus erythematosus (SLE) is a chronic autoimmune disorder characterized by production of autoantibodies directed against nuclear and cytoplasmic antigens. Clinically, this disorder is characterized by periods of remission and relapse (1). The early and accurate diagnosis of SLE is challenging (2). The SLE pathogenesis involves multiple cellular components of the innate and immune systems, presence of autoantibodies and immune complexes, engagement of the complement system and cytokine dysregulation (3). About 180 autoantibodies have been identified in SLE patients, 102 of which are reported to have an organ-specific correlation with SLE disease identified in SLE patients, with SLE disease activity (4). However, with the exception of autoantibodies such as antinuclear antibody (ANA), anti double stranded DNA (dsDNA), anti-smith and antiphospholipid antibodies, currently proposed by the American college of rheumatology (ACR) (5)

Clinical Trial Description

systemic lupus international collaborating clinics (SLICC) (6) for the diagnosis of SLE, most of these autoantibodies lack sufficient sensitivity and/or specificity for use in clinical diagnosis. Discovery of additional autoantibodies with high sensitivity and specificity is important for early diagnosis and assessment of the prognosis of SLE (7). Anti-ribosomal P(Anti-Rib-P) antibody, routinely tested in SLE, targets a homologous 22-amino acid C-terminal (C-22) sequence shared by three ribosomal phosphoproteins known as P0, P1, and P2 (8). The prevalence of anti-Rib-P antibody is about 15-40% in SLE patients and varies with the ethnicity, disease activity and detection method (9). Studies have disclosed that anti-P antibodies react with activated T cells but not with B cells, suggesting possible direct effects of anti-P antibodies on immune regulation (10). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05179018
Study type	Observational
Source	Assiut University
Contact	Menna Allah Nashaat
Phone	01067750195
Email	mennanashaat116@gmail.com
Status	Not yet recruiting
Phase
Start date	March 1, 2022
Completion date	August 1, 2023

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Clinical and Diagnostic Value of Ribosomal p2 Autoantibodies in Systemic Lupus Erythematosus

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms