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Gum disease and hepatitis: a hidden connection revealed?

NCT ID NCT07491848

Knowledge-focused Sponsor: Research Center of Periodontal-Systemic Interactions Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at the link between gum (periodontal) disease and hepatitis B+D infection, and whether the drug bulevirtide changes that relationship. Researchers will measure inflammation markers in saliva and gum fluid from 25 adults: those with hepatitis B+D on bulevirtide, those not on the drug, and healthy volunteers. The goal is to better understand how these conditions interact, not to test a new treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 25 people

The number the study aims to enrol. It can still change while the study runs.

Started

Feb 2026

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population includes adult patients diagnosed with hepatitis B and D co-infection who are treated and followed at the Gastroenterology Clinic of the Clinical Emergency County Hospital Craiova. These patients will be divided into two cohorts based on treatment status: those receiving bulevirtide therapy as part of routine clinical care and those not receiving bulevirtide treatment. A third cohort will consist of systemically healthy adult individuals without hepatitis B or D infection, recruited from the Periodontology Clinic of the University of Medicine and Pharmacy of Craiova, who will serve as a control group. All participants will undergo oral-periodontal clinical examination, oral cavity documentation, and non-invasive collection of saliva and gingival crevicular fluid for the evaluation of inflammatory biomarkers. Assessments will be performed at baseline and after 6 months.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults (≥18 years old) capable of providing informed consent. * For Hepatitis B+D groups: confirmed hepatitis B and D co-infection. * Bulevirtide group: receiving bulevirtide therapy as prescribed. * No Bulevirtide group: not receiving bulevirtide. * For Healthy Control group: systemically healthy adults without hepatitis B or D infection. * Willingness to undergo oral-periodontal examination, saliva and gingival crevicular fluid collection, and oral cavity photography. Exclusion Criteria: * Patients with other systemic diseases that could influence periodontal health (e.g., uncontrolled diabetes, autoimmune diseases). * Patients currently receiving other experimental therapies that may affect oral or systemic inflammation. * Pregnancy or lactation. * Inability or unwillingness to provide informed consent. * History of oral or periodontal surgery within the last 6 months that could affect measurements.

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Conditions

The condition(s) this trial relates to.

chronic hepatitis B virus infection hepatitis B virus infection hepatitis D virus infection periodontitis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Hepatitis B, chronic Hepatitis D Periodontitis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Clinical Emergency County Hospital Craiova

    RECRUITING

    Craiova, Romania

  • University of Medicine and Pharmacy of Craiova

    RECRUITING

    Craiova, Romania

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