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Could a Bone-Building hormone make dental implants stronger?

NCT ID NCT07459075

Disease control Sponsor: University of Baghdad 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 adding parathyroid hormone (PTH) to a standard bone graft helps rebuild the upper jawbone for dental implants. Thirty healthy adults with thin jawbone will receive either a bone graft alone or a bone graft mixed with PTH. Researchers will measure bone density, look at bone samples under a microscope, and check a bone-healing marker to see if PTH makes a difference.

What this could mean

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

Active substance
parathyroid hormone (PTH)
What this could lead to
If it works, this could lead to a better way to build up jawbone for dental implants, making them more stable and successful.
What could go wrong
This is a small, early-phase study with only 30 people, so results may not apply widely. PTH may not improve bone growth more than the graft alone, and there could be side effects from the hormone.

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.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 30 people

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

Started

May 2025

Expected to finish

Nov 2026

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.

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 * Healthy individuals without any systemic disease/local pathological lesion at the sinus zone that compromise the bone healing potential. * Fair to good oral hygiene. * Patient's age ≥ 18 years. * The RBH was 3 mm or less. Atrophic edentulous posterior maxillary ridge (missing tooth or teeth in the sinus zone), with adequate ridge width (≥ 5 mm) to accommodate an average DI diameter and to gain primary implant stability. * Healed planned implant insertion site. Exclusion criteria * Medically compromised patients with any of the following conditions that could interfere with normal healing potential or osseointegration such as uncontrolled diabetes mellitus, currently on chemotherapy, corticosteroid or bisphosphonate, radiotherapy of the head and neck in the past 2 years, bleeding disorders, ongoing pregnancy, thyroid hormones problems and psychiatric disorders. * The RBH ˃ 3 mm. * Thickness of the SM ˃ 5 mm. * Maxillary sinusitis (acute and chronic) or any other pathologies in the MS. * Previous MS surgery. * Heavy smoking ˃ 20 cigarettes daily and/or alcohol abuse. * Parafunctional habits such as severe bruxism and clenching.

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As listed by the trial registrant

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

Maxillary sinus augmentation

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

  • Baghdad University

    RECRUITING

    Baghdad, Iraq

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