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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02927704
Other study ID # 2011/016
Secondary ID 11102024konya201
Status Completed
Phase N/A
First received October 6, 2016
Last updated October 6, 2016
Start date March 2011
Est. completion date August 2012

Study information

Verified date October 2016
Source Abant Izzet Baysal University
Contact n/a
Is FDA regulated No
Health authority Turkey: Ethics Committee
Study type Observational

Clinical Trial Summary

The aim of this study is to estimate GCF MCP-1 levels of healthy and Aggressive periodontitis (AgP) subjects and to compare MCP-1 levels between Localized AgP (LAgP) and Generalized AgP (GAgP) to establish its predictive value/role for distinguishing LAgP and GAgP development.


Description:

Patients with aggressive periodontitis (AgP) are diagnosed as rapid and severe periodontal destruction commonly in younger systemically healthy individuals (Armitage, 1999). Although periopathogenic bacteria are essential for initiation, this alone does not be responsible for the manifestation and severity of the clinical status/phenotype (Offenbacher et al., 2008), suggesting an imbalance between host and bacterial load (Kinane et al., 2007). Response to bacterial biofilm is determined by the host immune system (Mahanonda and Pichyangkul, 2007, Amano, 2010) in which genetic and enviromental factors modify and may get individuals more susceptible or resistant to the periodontal diseases (Kulkarni and Kinane, 2014).

The role of whether an impaired or a hyperinflammatory host response is responsible for the progression of aggressive periodontitis has been a topic of discussion. Regarding to this topic Shaddox et al. (2016) studied the whole blood specimens collected from LAgP subjects and stimulated with plaque sample generated from healthy or diseased sites. And as a result, LAgP subjects displayed hyperinflammatory response regardless of contents of bacterial stimulus. In an another research hyperinflammatory responders LAgP subjects presented the lowest reductions in clinical parameters, on the contrary low responders showed the highest reductions after treatment (Allin et al., 2016). Similarly Garrison and Nichols (1989) reported that hyper-inflammatory monocyte phenotype can be deterministic in periodontal destruction. In the view of the aforementioned findings, the aim of this study is to estimate GCF MCP-1 levels of healthy and AgP subjects and to compare MCP-1 levels between LAgP and GAgP to establish its predictive value/role for distinguishing LAgP and GAgP development.

A total of 160 subjects including, 80 AgP and 80 age and gender matched periodontally healthy (H) controls were recruited in this cross-sectional study. Clinical periodontal measurements including plaque index (PI), gingival index (GI), proping depth (PD) and clinical attachment loss (CAL) were performed. GCF samples were collected from 160 patients including 50 LAgP, 30 GAgP and 80 H. Volume of GCF samples were measured by an electronic device (Periotron 8000, OroFlow Inc.) and GCF MCP-1 was measured by an enzyme-linked immunosorbent assay "ELISA".


Recruitment information / eligibility

Status Completed
Enrollment 160
Est. completion date August 2012
Est. primary completion date August 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 16 Years and older
Eligibility Inclusion Criteria:

- Periodontally Healthy control group (n: 80) had < 3mm PD, < 2 GI and no signs of interproximal attachment loss and a history of periodontal disease.

- The AgP group included individuals diagnosed with localized AgP (LAgP) or generalized AgP (GAgP) who were otherwise healthy. Periodontal attachment loss =4 mm accompanied by interproximal bone loss without gingival recession not involving more than two permanent teeth, other than the first molars and incisors were diagnosed with LAgP (n: 50); patients with involvement of at least three teeth, other than the first molars and incisors with an attachment loss =4 mm accompanied by interproximal bone loss without gingival recession were diagnosed with GAgP (n: 30).

Exclusion Criteria:

- Patients who have any systemic diseases or conditions that could effect the periodontium

- hepatitis and/or immunodeficiency virus infection

- a history of periodontal treatment and antibiotic therapy within the 6 months

- < 16 teeth in their mouth

- Subjects who had smoked and were ongoing orthodontic treatment were excluded.

Study Design

Observational Model: Case Control, Time Perspective: Cross-Sectional


Related Conditions & MeSH terms


Intervention

Other:
Gingival crevicular fluid (GCF) sample
Single intervention has been performed for each subject. GCF samples were collected from four multi rooted teeth (premolar/molar) one of in each quadrant including two maxilla and two mandibula by single examiner in conjunction with clinical measurements in this intervention.

Locations

Country Name City State
n/a

Sponsors (2)

Lead Sponsor Collaborator
Abant Izzet Baysal University Selcuk University

References & Publications (7)

Armitage GC. Periodontal diagnoses and classification of periodontal diseases. Periodontol 2000. 2004;34:9-21. Review. — View Citation

Emingil G, Atilla G, Hüseyinov A. Gingival crevicular fluid monocyte chemoattractant protein-1 and RANTES levels in patients with generalized aggressive periodontitis. J Clin Periodontol. 2004 Oct;31(10):829-34. — View Citation

Gupta M, Chaturvedi R, Jain A. Role of monocyte chemoattractant protein-1 (MCP-1) as an immune-diagnostic biomarker in the pathogenesis of chronic periodontal disease. Cytokine. 2013 Mar;61(3):892-7. doi: 10.1016/j.cyto.2012.12.012. Epub 2013 Jan 30. — View Citation

Kurtis B, Tüter G, Serdar M, Akdemir P, Uygur C, Firatli E, Bal B. Gingival crevicular fluid levels of monocyte chemoattractant protein-1 and tumor necrosis factor-alpha in patients with chronic and aggressive periodontitis. J Periodontol. 2005 Nov;76(11):1849-55. — View Citation

Lee E, Yang YH, Ho YP, Ho KY, Tsai CC. Potential role of vascular endothelial growth factor, interleukin-8 and monocyte chemoattractant protein-1 in periodontal diseases. Kaohsiung J Med Sci. 2003 Aug;19(8):406-15. — View Citation

Thunell DH, Tymkiw KD, Johnson GK, Joly S, Burnell KK, Cavanaugh JE, Brogden KA, Guthmiller JM. A multiplex immunoassay demonstrates reductions in gingival crevicular fluid cytokines following initial periodontal therapy. J Periodontal Res. 2010 Feb;45(1):148-52. doi: 10.1111/j.1600-0765.2009.01204.x. Epub 2009 Jul 8. — View Citation

Tymkiw KD, Thunell DH, Johnson GK, Joly S, Burnell KK, Cavanaugh JE, Brogden KA, Guthmiller JM. Influence of smoking on gingival crevicular fluid cytokines in severe chronic periodontitis. J Clin Periodontol. 2011 Mar;38(3):219-28. doi: 10.1111/j.1600-051X.2010.01684.x. Epub 2010 Dec 29. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Determination of GCF MCP-1 levels in patients with AgP 1 year No
Secondary Measurement of clinical periodontal parameters in patients with AgP and compare between LAgP and GAgP 1 year No
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