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CompletedNCT05417061Updated Oct 23, 2023

Serum and Saliva Sirtuin 6, Lipoxin A4, Caspase8 Levels in Correlation With Periodontal Status in Severe Periodontitis

An interventional study of Saliva and serum sampling in Periodontitis and Diagnose Disease, sponsored by Istanbul Medipol University Hospital. Completed at 1 site in Turkey (Türkiye). Open to participants aged 18 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2023-10-23.

Sponsored by Istanbul Medipol University Hospital · Not applicable, Interventional, and Prevention

From the registry’s dates

  • Registered 7 months after the study started (first participant enrolled Oct 2021, registered Jun 2022).
Phase
Not applicable
Study type
Interventional
Enrollment
40
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

It has been stated that Sirtuin-6 (SIRT6) play a important role in regulation of inflammation, energy metabolism, homeostasis and apoptosis, and SIRT6 may be assosiciated with many diseases. The aim of this study was to evaluate saliva and serum SIRT6, Lipoxin A4 (LXA4) and Caspase-8 (CASP8) levels in correlation with periodontal clinical status in patients with periodontitis and healthy subjects

Read the detailed description

20 patients with Stage III Grade B periodontitis (P) and 20 periodontally healthy individuals (control;C) were included in this study. Clinical periodontal parameters were measured. Saliva and serum levels of SIRT6, LXA4 and CASP8 were analyzed by enzyme-linked immunosorbent assay.

02

Conditions studied

  • Periodontitis
  • Diagnose Disease

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Keywords

  • inflammation resolution
  • periodontitis
  • cell apoptosis
03

In context

Periodontitis

1,664 studies on the registry are indexed under Periodontitis; 328 are open to participants now.

This study's enrollment of 40 is below the median of 45 across 1,206 interventional studies indexed under Periodontitis.

Browse Periodontitis studies →

Lead sponsor

Istanbul Medipol University Hospital is the lead sponsor of 365 studies on the registry; 59 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • systemically healthy
  • clinical diagnosis of periodontitis
  • clinical diagnosis of periodontal health

Exclusion criteria

Exclusion Criteria:

  • history of regular use of systemic antibiotics anti-inflammatory, or antioxidant drugs (previous 3 months)
  • nonsurgical periodontal treatment (previous 6 months)
  • surgical periodontal treatment (previous 12 months)
  • presence of\<10 teeth
  • current medications affecting gingival health (calcium channel blockers, phenytoin, cyclosporine, and hormone replacement therapy)
  • diabetes
  • diagnosis of rheumatoid arthritis
  • pregnancy
  • lactating
  • smoking
  • excessive alcohol consumption.
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Study design

Phase
Not applicable
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Single group
Masking
None (open label)
Enrollment
40 participants (actual)

Study arms

  • Active comparator
    Saliva and serum collection of patients and samples molecules analysis

    Other: Saliva and serum sampling

  • Experimental
    Salivary and serum SIRT6, LPXA4 and CASP8 observation

    Saliva and serum samples obtained for each patient were used for cytokine analysis. Prepared samples were analyzed for Lipoxin A4 (LXA4), Caspase 8 (CASP8) and Sirtuin-6 (SIRT6) using commercial ELISA kits (Elabscience, Houston, Texas, USA and Bioaasay Technology Laboratory (BT-Lab), Shanghai, China, respectively) according to the manufacturer's instructions. The detection limits of ELISA kits were 0.78 - 50ng/ml for LXA4, 0.16 - 10ng/ml for CASP8 and 0.1- 40 ng/ml for SIRT6.

    Other: Saliva and serum sampling

Interventions

  • OtherSaliva and serum sampling

    Saliva were collected to analyze the selected markers as unstimulated samples during the early hours of the day. The saliva was centrifuged and then transferred into Eppendorf tubes. Venous puncture was performed after saliva collection and 10 mL of blood samples were collected by qualified staff (MFD) from each participant. Saliva and serum were then stored at -80 °C until analysis.

06

What researchers measure

Primary outcomes

  1. Pocket probing depth

    Measurement of the depth of a sulcus or periodontal pocket determined by measuring distance from a gingival margin to the base of the sulcus or pocket with a calibrated periodontal probe.

    Time frame: 6 months

  2. Clinical attachment level

    Clinical attachment level (or loss, CAL) is a more accurate indicator of the periodontal support around a tooth than probing depth alone. CAL is measured from a fixed point on the tooth that does not change, the CEJ. To calculate CAL, two measurements are needed: distance from the gingival margin to the CEJ and probing depth. In recession: probing depth (+) gingival margin to the CEJ (add). In tissue overgrowth: probing depth (-) gingival margin to the CEJ (subtract)

    Time frame: 6 months

  3. Bleeding on probing

    referring to bleeding that is induced by gentle manipulation of the tissue at the depth of the gingival sulcus, or interface between the gingiva and a tooth.

    Time frame: 6 months

Secondary outcomes

  1. Saliva and serum samples processing and analyses

    Saliva and serum samples obtained for each patient were used for cytokine analysis. Prepared samples were analyzed for Lipoxin A4 (LXA4), Caspase 8 (CASP8) and Sirtuin-6 (SIRT6) using commercial ELISA kits (Elabscience, Houston, Texas, USA and Bioaasay Technology Laboratory (BT-Lab), Shanghai, China, respectively) according to the manufacturer's instructions.

    Time frame: 2 months

07

Study locations

1 site
  • Istanbul Medipol University, School of Dentistry
    Istanbul, Fatih 34083, Turkey (Türkiye)
08

References and documents

Publications

  • Cekici A, Sahinkaya S, Donmez MF, Turkmen E, Balci N, Toygar H. Sirtuin6 and Lipoxin A4 levels are decreased in severe periodontitis. Clin Oral Investig. 2023 Dec;27(12):7407-7415. doi: 10.1007/s00784-023-05330-6. Epub 2023 Oct 18. PubMed 37851128 ↗

Individual participant data

Plan to share: No

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Oct 2021 to primary completion in Apr 2022, 6 months.

Of 605 non-industry interventional studies with no phase under Periodontitis, half reached primary completion within 15 months of starting (the median), counting those still running; a quarter within 7 and three quarters within 28. This study's 6 months is below that.

Counting every sponsor, half of 624 studies reached it within 15 months; a quarter within 7 and three quarters within 28.

How these figures are worked out, and which studies are left out of them.

Registered
Jun 9, 2022
First posted
Jun 14, 2022
StartActual
Oct 14, 2021
Primary completionActual
Apr 21, 2022
CompletionActual
May 30, 2022
Last update
Oct 23, 2023
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Oct 23, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05417061
Responsible party
Nur Balci, DDs, PhD (ASSOC. PROF DR, Istanbul Medipol University Hospital) — Principal investigator
First posted
Jun 14, 2022
Start date
Oct 14, 2021
Primary completion
Apr 21, 2022
Completion
May 30, 2022
Last update
Oct 23, 2023

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Jun 2022. You cannot join it, but the record below documents what was studied.

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