Adrenomedullin Upregulation in Apical Periodontitis

Status Completed

Clinical Trial Summary

The aim of the present study was to investigate the relationship between Apical periodontitis (AP) severity and inflammatory markers (IL-12, TNF-alpha), and Mid-Regional Pro Adrenomedullin (MR-proADM) in patients with AP. A total of 174 subjects were divided into three categories: AP group (n=82), Chronic periodontitis (CP) group (n=42), healthy control group (n=50). Blood samples were collected from all of the patients. Enzyme-linked immunosorbent assay was used to evaluate the samples.

Clinical Trial Description

Bone destruction in apical periodontitis (AP) depends on the microorganisms' efficiency to breach the host-epithelial barrier and various antimicrobial peptides. Mid-regional pro adrenomedullin (MR-proADM) is one such potent antimicrobial peptide, which plays a regulatory and stabilizing role among proinflammatory and anti-inflammatory cytokines. A broad range of cells and tissues produce MR-proADM such as adrenal medulla, kidney, lungs, and endothelial cells. MR-proADM was found to be present in circulation and in various biological fluids. It is reported to function both as a generalized hormone and locally affecting autocrine or paracrine mediator. Its plasma level is usually elevated in certain conditions such as heart failure, hypertensive situations, cerebro-vascular events, chronic kidney failure, diabetes mellitus, sepsis and periodontitis. Besides these, MR-proADM has drawn attention as it stimulates the proinflammatory cytokine IL-6 and suppresses cytokines, like TNF- α, for regulating inflammation, being a potent of inhibitor of apoptosis and stimulating angiogenesis in tumor cells. However, there is still a large information gap on MR-proADM. Despite all these effects, there is not enough information in the literature about the effect of MR-proADM on oral and dental health and its effectiveness in apical periodontitis. Whether AP can cause any alterations in the MR-proADM value is also unknown. Therefore, the aim of this study is to investigate the relationship between AP severity and inflammatory markers (IL-12, TNF-alpha), and MR-proADM in patients with AP. In addition, the results will be compared with the results of healthy controls and patients with chronic periodontitis. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05297747
Study type	Interventional
Source	Istanbul Medipol University Hospital
Contact
Status	Completed
Phase	N/A
Start date	June 1, 2020
Completion date	October 30, 2021

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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.