NCT06871540

Brief Summary

Aims: The use of oral probiotics as an adjunct to the treatment of periodontal diseases is known to be beneficial in antagonizing pathogenic microflora and regulating the host immune response. The aim of this clinical study was to evaluate the clinical, microbiologic and biochemical effect of Streptococcus salivarius (S. salivarius) K12 probiotic tablet as an adjunct to scaling and root planing (SRP) treatment in stage 3 periodontitis patients. Methods: The study included 30 systemically healthy stage 3 periodontitis patients. After non-surgical periodontal treatment, participants were randomly assigned to the test (SRP+Probiotic, n=15) or control (SRP, n=15) group. Patients in the test group used probiotic tablets once daily for 30 days. Clinical (Plaque index (PI), gingival index (GI), bleeding on probing (BOP), probing depth (PD), clinical attachment level (CAL)), microbiological (Porphyromonas gingivalis, Treponema denticola, Tannerella forsythia, Prevotella intermedia, Aggregatibacter actinomycetemcomitans, Fusobacterium nucleatum) and biochemical (IL-6, IL-8, IL-10) measurements were performed at baseline (before SRP), 30. and 90th days. Data were analyzed statistically. Keywords: Microbiology, Periodontitis, Probiotics, Cytokines

Trial Health

87
On Track

Trial Health Score

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

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Oct 2023

Shorter than P25 for not_applicable

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

October 1, 2023

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2024

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

March 6, 2025

Completed
6 days until next milestone

First Posted

Study publicly available on registry

March 12, 2025

Completed
Last Updated

March 12, 2025

Status Verified

March 1, 2025

Enrollment Period

9 months

First QC Date

March 6, 2025

Last Update Submit

March 11, 2025

Conditions

Keywords

Microbiology, Periodontitis, Probiotics, Cytokines

Outcome Measures

Primary Outcomes (1)

  • Reduction in Porphyromonas gingivalis at 3 months

    From enrollment to the end of treatment at 12 weeks

Study Arms (2)

Test Grubu

ACTIVE COMPARATOR
Other: Probiotic AgentOther: Non-Surgical Intervention

Control

OTHER
Other: Non-Surgical Intervention

Interventions

Patients in the test group were instructed to take one tablet immediately after tooth brushing (before bedtime) once daily for 30 consecutive days. Probiotic was administered in tablets containing 1x109 cfu/g S. salivarius K12.

Test Grubu

Patients in the control group received non-surgical periodontal treatment only.

ControlTest Grubu

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Male or female aged 18-60 years,
  • No systemic disease,
  • No periodontal treatment in the last 6 months,
  • No antibiotic therapy in the last 6 months,
  • Diagnosed with stage 3 periodontitis according to the 2017 periodontal disease classification

You may not qualify if:

  • Periodontal treatment within sixteen months,
  • Smoking,
  • Patients with systemic health problems such as diabetes, rheumatoid arthritis, neurological diseases, lung and kidney diseases,
  • Pregnancy or lactation,
  • Acute oral lesions or necrotizing ulcerative periodontitis.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

İnönü Üniversitesi Diş Hekimliği Fakültesi

Malatya, Battalgazi, Turkey (Türkiye)

Location

Related Publications (36)

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MeSH Terms

Conditions

Periodontitis

Condition Hierarchy (Ancestors)

Periodontal DiseasesMouth DiseasesStomatognathic Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Research assistant

Study Record Dates

First Submitted

March 6, 2025

First Posted

March 12, 2025

Study Start

October 1, 2023

Primary Completion

June 30, 2024

Study Completion

June 30, 2024

Last Updated

March 12, 2025

Record last verified: 2025-03

Data Sharing

IPD Sharing
Will not share

Locations