NCT07447349

Brief Summary

This study evaluated the effects of Nigella sativa toothpaste on salivary inflammatory biomarkers (IL-1β, PGE2, and MMP-8) in Indonesian Army personnel with gingivitis. The aim was to determine whether the toothpaste could reduce inflammatory marker levels associated with gingival inflammation.

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 not_applicable

Timeline
Completed

Started Jan 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

January 1, 2023

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2023

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2023

Completed
2.5 years until next milestone

First Submitted

Initial submission to the registry

January 18, 2026

Completed
1 month until next milestone

First Posted

Study publicly available on registry

March 3, 2026

Completed
Last Updated

March 3, 2026

Status Verified

February 1, 2026

Enrollment Period

6 months

First QC Date

January 18, 2026

Last Update Submit

February 27, 2026

Conditions

Keywords

gingival inflammationNigella sativaHerbal toothpasteIL-1βPGE2MMP-8

Outcome Measures

Primary Outcomes (2)

  • Change in salivary IL-1β levels.

    Measuring the concentration of Interleukin-1 beta (IL-1β) in saliva samples using the enzyme-linked immunosorbent assay (ELISA) method to evaluate inflammatory response.

    Baseline and 3 months of daily toothpaste use

  • Change in salivary PGE2 levels

    Measuring the concentration of Prostaglandin E2 (PGE2) in saliva samples using the enzyme-linked immunosorbent assay (ELISA) method to evaluate the reduction of inflammatory mediators.

    Baseline and 3 months of daily toothpaste use.

Study Arms (2)

Experimental Group: Nigella sativa Toothpaste

EXPERIMENTAL

Participants in this group used toothpaste containing 3% Nigella sativa extract twice daily for three months, along with standardized oral hygiene education, to evaluate its effect on salivary inflammatory biomarkers.

Drug: Nigella sativa toothpaste

Control Group: Placebo Toothpaste

PLACEBO COMPARATOR

Participants in this group used a placebo toothpaste identical in appearance and taste but without Nigella sativa extract twice daily for three months, along with standardized oral hygiene education, as a comparison group.

Drug: Placebo toothpaste

Interventions

Toothpaste containing 3% Nigella sativa extract used twice daily for three months as part of the experimental intervention.

Experimental Group: Nigella sativa Toothpaste

Toothpaste identical in appearance and taste but without Nigella sativa extract, used twice daily for three months as a comparator.

Control Group: Placebo Toothpaste

Eligibility Criteria

Age18 Years - 50 Years
Sexmale(Gender-based eligibility)
Gender Eligibility DetailsThe participants of this study are exclusively male because the research was conducted among active-duty soldiers of the Indonesian National Armed Forces (TNI) at the 202 Tajimalela Mechanized Infantry Battalion, where the available subject population meeting the military criteria at the study site was male. This approach ensures a more homogeneous study population regarding lifestyle and physical activity levels.
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Indonesian Army (TNI) soldiers from the 202 Tajimalela Mechanized Infantry Battalion.
  • Diagnosed with gingivitis and periodontitis.
  • Aged 18-50 years.
  • Minimum of 20 teeth (excluding third molars).
  • Bleeding on Probing (BoP) score of ≥ 10%.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Faculty of Dental Medicine, Universitas Airlangga.

Surabaya, East Java, 60132, Indonesia

Location

Related Publications (1)

  • Maduratna E, Sari DS, Rahayu RP, Masya RN, Adinar N. The Anti-Inflammatory Effect of Nigella sativa Toothpaste on Porphyromonas gingivalis Bacteria Through Decreased TNF-alpha, MMP-9, PGE-2 Expression in Wistar Rats. Eur J Dent. 2024 Jul;18(3):808-814. doi: 10.1055/s-0043-1772700. Epub 2024 May 14.

MeSH Terms

Conditions

Gingivitis

Condition Hierarchy (Ancestors)

InfectionsGingival DiseasesPeriodontal DiseasesMouth DiseasesStomatognathic Diseases

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Masking Details
This is a double-blind study where both the participants and the investigators are unaware of the group assignments. The treatment group received toothpaste containing 3% Nigella sativa, while the control group received a placebo toothpaste that was identical in appearance and packaging to ensure masking.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Participants were divided into two parallel groups using a randomized allocation based on registration numbers (odd numbers for the treatment group and even numbers for the control group). The treatment group used toothpaste containing 3% Nigella sativa, while the control group used a placebo toothpaste. Both groups used the assigned toothpaste daily for a duration of three months.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Resident Department of Periodontology

Study Record Dates

First Submitted

January 18, 2026

First Posted

March 3, 2026

Study Start

January 1, 2023

Primary Completion

June 30, 2023

Study Completion

July 31, 2023

Last Updated

March 3, 2026

Record last verified: 2026-02

Data Sharing

IPD Sharing
Will not share

There is no plan to share individual participant data (IPD) to the public. The study results are presented in aggregate form within the manuscript to maintain the confidentiality of the participants, who are active-duty military personnel. Any inquiries regarding the data may be directed to the corresponding author

Locations