NIH-funded research R03 grant

Oral-Gut–Bone Links in Periodontitis and Bone Loss

Official title: Defining the Oral-Gut–Bone Axis: GLP Signaling Links Periodontitis to Bone Loss

Funded at Indiana University Indianapolis · NIH-11441853 · Data updated 2026-11-12

This research explores how gum disease could affect bone health by studying the connection between the mouth, gut, and bones in adults.

More Periodontitis research and trials

Quick facts

Grant typeR03 grant
Study typeNIH-funded research
Funding institutionIndiana University Indianapolis
NIH-funded
Lab location1 site (Indianapolis, United States)
Project startSeptember 15, 2026
Project endSeptember 14, 2028
Funding year2026
Award (this year)$317,000
NIH project number1R03DE036471-01
Project IDNIH-11441853 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are adults with or at risk for periodontitis and related systemic conditions who may benefit from future therapies targeting oral-gut-bone signaling.

Less likely to help

People without periodontitis or related bone health concerns may not directly benefit from this research.

What this research studies

If funded, researchers at Indiana University will study how periodontitis-related changes in the mouth and gut influence bone loss, including the role of GLP in bone turnover and immune balance. Using a mouse model that mimics oral-gut dysbiosis, the team will look at how disrupted GLP signaling may drive inflammation and bone loss in both jawbone and other bones. The work aims to map a pathway from oral health to systemic bone remodeling that could explain links to diabetes and cardiovascular disease. The findings could point to new strategies to protect bone health in people with periodontal disease.

Why it matters

Potential benefit: A better understanding of how oral health affects bone health could lead to new prevention and treatment approaches for osteoporosis, diabetes-related bone loss, and cardiovascular risks.

How similar studies have gone: Previous work suggests gut-bone signaling and GLP pathways influence bone turnover, but this specific oral-gut-bone axis in periodontitis is being explored.

Where this research is happening

  • Indiana University Indianapolis
    Indianapolis, United States
    Active

Researchers

  • Principal investigator: Koizumi, Yukiko — Indiana University Indianapolis
  • Study coordinator: Koizumi, Yukiko

Related research

Other NIH-funded projects on the same topics.

  • How HIV and HIV meds affect jaw bone and teeth

    This project looks at how HIV, its treatment, and immune changes may cause jawbone and tooth loss in people living with HIV.

    NIH research Emory University · Atlanta, United States · NIH-11596027

  • Periodontitis and HIV treatment–related bone loss in the jaw and teeth

    This project studies how HIV and its treatment affect jawbone and tooth loss in people living with HIV, aiming to understand and reduce bone damage around teeth.

    NIH research Emory University · Atlanta, United States · NIH-11596026

  • Periodontitis and HIV therapy–related bone loss in people living with HIV

    A study exploring how HIV treatment–related immune changes can drive bone loss around the teeth in people with HIV, and how periodontitis may worsen this effect.

    NIH research Emory University · Atlanta, United States · NIH-11323448

  • How HIV and its treatment affect bone and tooth health

    This study is looking at how HIV and the medications used to treat it can affect bone health in the jaw, which is important for keeping your teeth healthy, and it's aimed at helping people living with HIV understand and improve their oral health.

    NIH research Emory University · Atlanta, United States · NIH-11144466

  • How bacteria affect bone loss in periodontal disease

    This study is looking at how certain bacteria that cause gum disease affect bone cells in your jaw, which can lead to tooth loss, and it aims to find new ways to help people who aren't getting better with current treatments.

    NIH research Augusta University · Augusta, United States · NIH-11119127

  • New treatment to stop bone loss in severe gum disease

    This study is testing a new treatment to help prevent bone loss in your jaw caused by severe gum disease, using a special antibody to target certain proteins, and it's designed for adults dealing with this common issue.

    NIH research Panorama Research, INC. · Sunnyvale, United States · NIH-10822066

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.