NCT03542630

Brief Summary

Despite the great progress in understanding the causes of infertility, the reason for the failure of pregnancy has not been discovered among 25% of infertile couples. Some studies have shown the negative impact of periodontal disease on the reproductive potential of women. It is known that there is an elevated level of matrix metalloproteinase 8 (MMP8) in the gingival fluid of patients with periodontitis. It is possible to establish a fast diagnosis of periodontitis by using a non-invasive assay based on monoclonal antibodies to two epitopes of MMP-8. The goal of the research is to use the above described assay in order to compare the level of MMP8 in the gingival fluid of infertile patients with the control group of fertile women, depending on the existence of periodontal disease. It is expected to find significantly higher values of MMP8 in infertile patients in relation to the fertile patient with/without periodontitis. The prompt treatment of periodontitis in preconception care of this group of women could have a significant impact on the improvement of fertility and ability to achieve pregnancy.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Jan 2018

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2018

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

May 18, 2018

Completed
13 days until next milestone

First Posted

Study publicly available on registry

May 31, 2018

Completed
2.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2021

Completed
Last Updated

September 29, 2021

Status Verified

September 1, 2021

Enrollment Period

3.3 years

First QC Date

May 18, 2018

Last Update Submit

September 28, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Salivary MMP8 test for diagnostics of periodontitis

    Evaluation of salivary MMP8 test for diagnostics of periodontitis

    2018-2019

Study Arms (4)

fertile, without periodontitis

Women who gave birth to at least one child, without preovious fertility treatments, and who do not have periodontitis. Interventions: salivary MMP8 test; periodontal examination; blood tests

Diagnostic Test: salivary MMP8 testOther: periodontal examinationOther: blood tests

fertile, with periodontitis

Women who gave birth to at least one child, without preovious fertility treatments, and who do have periodontitis. Interventions: salivary MMP8 test;periodontal examination;blood tests

Diagnostic Test: salivary MMP8 testOther: periodontal examinationOther: blood tests

infertile, without periodontitis

Women who are diagnosed with infertility of unknown cause, and who do not have periodontitis. Interventions: salivary MMP8 test; periodontal examination;blood tests

Diagnostic Test: salivary MMP8 testOther: periodontal examinationOther: blood tests

infertile, with periodontitis

Women who are diagnosed with infertility of unknown cause, and who do have periodontitis. Interventions: salivary MMP8 test; periodontal examination; blood tests

Diagnostic Test: salivary MMP8 testOther: periodontal examinationOther: blood tests

Interventions

salivary MMP8 testDIAGNOSTIC_TEST

All female participants will make salivary MMP8 test and certain blood parameters to determine systemic inflammatory response

fertile, with periodontitisfertile, without periodontitisinfertile, with periodontitisinfertile, without periodontitis

Periodontal examination by a specialist of periodontology will be made to all female participants, using periodontal probe and dental mirror.

fertile, with periodontitisfertile, without periodontitisinfertile, with periodontitisinfertile, without periodontitis

All female participants who do not have recent blood tests will make new blood tests to determine certain blood parameters.

fertile, with periodontitisfertile, without periodontitisinfertile, with periodontitisinfertile, without periodontitis

Eligibility Criteria

Age25 Years - 42 Years
Sexfemale(Gender-based eligibility)
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

The study will comprise a total of 100 women, of which 25 fertile women without periodontitis; 25 fertile women, with periodontitis; 25 infertile women, with unknown cause of infertility and with periodontitis and 25 infertile women with unknown cause of infertility and without periodontitis.

You may qualify if:

  • fertile women- women who gave birth to at least one child, without previous fertility treatments, with or without periodontitis
  • infertile women- women who are diagnosed with infertility of unknown cause, with or without periodontitis

You may not qualify if:

  • female with known cause of infertility

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

School of Dental Medicine, University of Zagreb

Zagreb, 10000, Croatia

Location

Related Publications (3)

  • Mantyla P, Stenman M, Kinane DF, Tikanoja S, Luoto H, Salo T, Sorsa T. Gingival crevicular fluid collagenase-2 (MMP-8) test stick for chair-side monitoring of periodontitis. J Periodontal Res. 2003 Aug;38(4):436-9. doi: 10.1034/j.1600-0765.2003.00677.x.

    PMID: 12828663BACKGROUND
  • Hart R, Doherty DA, Pennell CE, Newnham IA, Newnham JP. Periodontal disease: a potential modifiable risk factor limiting conception. Hum Reprod. 2012 May;27(5):1332-42. doi: 10.1093/humrep/des034. Epub 2012 Feb 22.

    PMID: 22362927BACKGROUND
  • Kraft-Neumarker M, Lorenz K, Koch R, Hoffmann T, Mantyla P, Sorsa T, Netuschil L. Full-mouth profile of active MMP-8 in periodontitis patients. J Periodontal Res. 2012 Feb;47(1):121-8. doi: 10.1111/j.1600-0765.2011.01416.x. Epub 2011 Sep 30.

    PMID: 21958332BACKGROUND

Related Links

Biospecimen

Retention: SAMPLES WITH DNA

salivary samples for salivary MMP8 test

MeSH Terms

Conditions

PeriodontitisGingivitisInfertility

Interventions

Hematologic Tests

Condition Hierarchy (Ancestors)

Periodontal DiseasesMouth DiseasesStomatognathic DiseasesInfectionsGingival DiseasesGenital DiseasesUrogenital Diseases

Intervention Hierarchy (Ancestors)

Clinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisInvestigative Techniques

Study Officials

  • Božana Lončar Brzak, Assist.Prof.

    University of Zagreb

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Asisstant Professor

Study Record Dates

First Submitted

May 18, 2018

First Posted

May 31, 2018

Study Start

January 1, 2018

Primary Completion

May 1, 2021

Study Completion

May 1, 2021

Last Updated

September 29, 2021

Record last verified: 2021-09

Data Sharing

IPD Sharing
Will not share

Locations