Diagnostic Value of Anti-MCV in Pts With RA

August 27, 2017 updated by: Jian Hashim Mohammed, Assiut University

Diagnostic Value of Antibodies Against a Modified Citrullinated Vimentin in Patients With Rheumatoid Arthritis

The aim of this work is to evaluate the diagnostic value of anti-MCV antibodies in rheamatoid arthritis patients and to correlate its relationtion disease activity and manifestations.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease characterized by joint inflammation, subsequent joint destruction leading to loss of joint function, and disability. Joint erosions develop quickly in 25 % of RA patients during the first 3 months of the disease and in about 75% of patients during the first 2years .

Early therapeutic intervention with synthetic disease-modifying antirheumatic drugs (sDMARD) and biological agents that target specific molecules can prevent joint damage and improve the prognosis of the disease. Since these therapies can have potential toxic effects ,it is very important that practitioners diagnose early and reliably the disease, especially the more aggressive forms, in order to select the appropriate treatment for patients.

Early diagnosis of RA can be challenging. During the last 15 years, there has been significant progress on the pathogenesis of RA with the discovery of antibodies against citrullinated protein antigens (ACPAs). ACPA production is associated with the HLA-DRB1 shared epitope, cigarette smoking, and periodontitis .

ACPAs have been shown to predict joint damage and are associated with more severe disease and extra-articular manifestations . In order to better identify RA patients at earlier stages, new 2010 classification criteria for RA by the American College of Rheumatology (ACR)/European League against Rheumatism (EULAR) include rheumatoid factor (RF) and ACPAs .

The most common commercial assay for the detection of ACPAs is anti-cyclic citrullinated peptide (anti-CCP) test, which uses synthetic cyclic citrullinated peptides that mimic RA epitopes.

Citrullination occurs also in other autoimmune diseases .

. Indeed, histone citrullination may lead to the release of neutrophil extracellular traps, and juxtaposition of citrullinated histones with infectious pathogens, complement and immune complexes may compromise tolerance of nuclear autoantigens and promote autoimmunity .

Antibodies to other citrullinated peptides or proteins have been suggested as good candidates for diagnosing RA.

Anti-MCV antibodies have been recommended to be better diagnostic marker for early arthritis .

Vimentin is an intermediate filament that is widely expressed by mesenchymal cells and macrophages and easy to detect in the synovium. Modification of the protein occurs in macrophages undergoing apoptosis, and antibodies to citrullinatedvimentin may emerge if the apoptotic material is inadequately cleared .

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
85

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

  • Name: hanan H. abdel- latiff, professor
  • Phone Number: 00201002954322

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

14 years to 71 years (Adult, Older Adult)

Accepts Healthy Volunteers

N/A

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Sixty RA patients attendingAssiut university hospital , and 25 healthy controls were involved in this study. All patients were previously diagnosed according to the 2010 ACR/EULAR RA classification criteria

The patients and control are divided into:

  • Group I: 30 patients with Early RA
  • Group II:30 patients with Late RA
  • Group III: 25 Healthy controls

Description

Inclusion Criteria:

  • . All patients were previously diagnosedaccording to the 2010 ACR/EULAR RA classification .. with both ( early and late ) rheamatoid arthritis

Exclusion Criteria:

  • patients with other autoimmune disease .
  • patient with renal diseaes .

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Case-Control
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Group1
Patients with early rheamatoid arthritis
Diagnostic test: Anti - modified citrullinate vimentin
patients with early and late RA
Group 2
patients with late rheamatoid arthritis
Diagnostic test: Anti - modified citrullinate vimentin
patients with early and late RA
Group 3
Healthy control

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
positive Anti-MCV in RA patient
Time Frame: 1 day
early diagnosis of RA patients by Anti-Mcv antibodies
1 day

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Assiut University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Assiut University, Assiut University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

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Study Major Dates

Study Start (Anticipated)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
September 15, 2017

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 1, 2018

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
February 1, 2019

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 27, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 27, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 29, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 29, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 27, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2017

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • diagnostic value of Anti-MCV

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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