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Vitamin d pills could boost dental implant success

NCT ID NCT06776640

Disease control Sponsor: Nantes University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether taking vitamin D3 supplements for 6 months helps dental implants fuse better with the jawbone in people who are low in vitamin D. Researchers will measure implant stability in 60 adults receiving dental implants at Nantes University Hospital. The goal is to see if a simple vitamin boost can improve outcomes for patients with vitamin D deficiency.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
vitamin D3 (cholecalciferol)
What this could lead to
If it works, this could point toward a simple way to improve dental implant success in people with low vitamin D.
What could go wrong
This is a small pilot study with only 60 people, so results may not apply to everyone. It's also possible that vitamin D supplements won't significantly improve implant stability.

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 60 people

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

Started

Jan 2025

Expected to finish

May 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

This study will be conducted on patients with vitamin D deficiency or insufficiency who visit the Restorative and Surgical Dentistry Department at the Dental Care Center of Nantes University Hospital for implant surgery.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Male or female patient ≥ 18 years old, candidate for dental implant placement. * with vitamin D deficiency or insufficiency: 25(OH)D \< 25 ng/L. * affiliated with a social security scheme. Exclusion Criteria: * with a local contraindication for implant placement. * under guardianship, curatorship, or legal protection * Pregnant or breastfeeding women

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As listed by the trial registrant

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

Implant site reaction

How to take part

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

  1. The places running it

    1 site. 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

  • CHU Nantes-Department of Dentistry

    RECRUITING

    Nantes, Nantes, 44000, France

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