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Sinus Floor AugmentationNCT03474627

PLGA-coated Biphasic Calcium Phosphate in Sinus Lift

A study testing Non-coated HA/TCP particles and PLGA-coated HA/TCP particles in people with Sinus Floor Augmentation, run by Universidad de Granada at 2 sites in Spain.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The study aims to investigate the radiological and histomorphometric results of the use of PLGA-coated biphasic calcium phosphate granules in sinus floor elevation, to analyze the underlying molecular processes by immunohistochemical staining, and to evaluate the handling of the biomaterial and the in situ hardening… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Sinus Floor Augmentation
What is being tested?
Non-coated HA/TCP particles and PLGA-coated HA/TCP particles
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
2 sitesSpain
Study dates
Feb 2012to Mar 2017
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Partially edentulous patients.
  • Kennedy class I or II in the upper jaw, from first premolar to second molar.
  • Less than 5 mm of residual crestal bone.
  • Need for the replacement of teeth with dental implants.

Who cannot join

  • Sinus pathology (sinusitis, mucocele, cysts).
  • Smokers.
  • Previous long-term (>3 months) use of drugs known to affect bone metabolism, such as bisphosphonates.

Trial locations and contacts

2 sites in 1 country.

Spain2 sites
  • University of Granada

    Granada, 18071

  • Universidad de Valencia

    Valencia, 46010

Other trials in Spain

About this study

Official title: Sinus Floor Elevation Using Particulate and in Situ Hardening Biphasic Calcium Phosphate Bone Graft Substitutes: A Prospective Histological and Radiological Study

The study aims to investigate the radiological and histomorphometric results of the use of PLGA-coated biphasic calcium phosphate granules in sinus floor elevation, to analyze the underlying molecular processes by immunohistochemical staining, and to evaluate the handling of the biomaterial and the in situ hardening properties.

A randomized clinical study is designed to include patients in need of two-stage sinus floor elevation. Patients are assigned to receive either PLGA-coated biphasic calcium phosphate particles (group I) or the equivalent but non-coated particles (group II). CBCT scans are performed before and 6 months after the procedure to assess the bone height gain. At the time of implant placement, bone core biopsies are obtained at the site of implant placement. Histological sections are subjected to histomorphometric and immunohistochemical evaluation of differentiation markers.

Being tested
Non-coated HA/TCP particles, PLGA-coated HA/TCP particles

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Non-coated HA/TCP particlesDevice

    Maxillary sinus floor elevation and bone grafting with the use of biphasic hydroxyapatite and beta-tricalcium phosphate bone graft

  • PLGA-coated HA/TCP particlesDevice

    Maxillary sinus floor elevation and bone grafting with the use of biphasic hydroxyapatite and beta-tricalcium phosphate bone graft with PLGA coating

Study groups in NCT03474627
Study groupRoleWhat they receive
Non-coated HA/TCP particlesActive comparatorBiphasic hydroxyapatite and beta-tricalcium phosphate bone graft
Receives: Device: Non-coated HA/TCP particles
PLGA-coated HA/TCP particlesExperimentalBiphasic hydroxyapatite and beta-tricalcium phosphate bone graft with PLGA coating
Receives: Device: PLGA-coated HA/TCP particles

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Sinus floor height change

    CBCT scans are performed before the sinus floor elevation and 6 months later before implant placement to measure vertical bone height from the crestal bone to the floor of the maxillary sinus.

    Measured: 6 months

Secondary outcomes (3)
  1. Area of new mineralized tissue

    Histomorphometric quantification of new mineralized tissue in a bone biopsy collected 6 months after the grafting procedure

    Measured: 6 months

  2. Area of non-mineralized tissue

    Histomorphometric quantification of non-mineralized tissue in a bone biopsy collected 6 months after the grafting procedure

    Measured: 6 months

  3. Area of remaining graft particles

    Histomorphometric quantification of remaining graft particles in a bone biopsy collected 6 months after the grafting procedure

    Measured: 6 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Mar 2018
  2. Study startFeb 2012
  3. Primary completionMar 2014
  4. Study completionMar 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03474627
Sponsor's protocol ID
H1452514461215
Status last verified
Mar 2018
First submitted
15 Mar 2018
Last updated
22 Mar 2018
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Galindo-Moreno P, Hernandez-Cortes P, Mesa F, Carranza N, Juodzbalys G, Aguilar M, O'Valle F. Slow resorption of anorganic bovine bone by osteoclasts in maxillary sinus augmentation. Clin Implant Dent Relat Res. 2013 Dec;15(6):858-66. doi: 10.1111/j.1708-8208.2012.00445.x. Epub 2012 Feb 29.

    PubMed 22376122
  • Ortega-Oller I, Del Castillo-Santaella T, Padial-Molina M, Galindo-Moreno P, Jodar-Reyes AB, Peula-Garcia JM. Dual delivery nanosystem for biomolecules. Formulation, characterization, and in vitro release. Colloids Surf B Biointerfaces. 2017 Nov 1;159:586-595. doi: 10.1016/j.colsurfb.2017.08.027. Epub 2017 Aug 24.

    PubMed 28854415
  • Galindo-Moreno P, Avila G, Fernandez-Barbero JE, Aguilar M, Sanchez-Fernandez E, Cutando A, Wang HL. Evaluation of sinus floor elevation using a composite bone graft mixture. Clin Oral Implants Res. 2007 Jun;18(3):376-82. doi: 10.1111/j.1600-0501.2007.01337.x. Epub 2007 Mar 12.

    PubMed 17355356
  • Galindo-Moreno P, de Buitrago JG, Padial-Molina M, Fernandez-Barbero JE, Ata-Ali J, O Valle F. Histopathological comparison of healing after maxillary sinus augmentation using xenograft mixed with autogenous bone versus allograft mixed with autogenous bone. Clin Oral Implants Res. 2018 Feb;29(2):192-201. doi: 10.1111/clr.13098. Epub 2017 Oct 26.

    PubMed 29071736

Questions about this trial

What is this clinical trial studying?

A study testing Non-coated HA/TCP particles and PLGA-coated HA/TCP particles in people with Sinus Floor Augmentation, run by Universidad de Granada at 2 sites in Spain.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Mar 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Sinus floor height change (time frame: 6 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03474627, which also lists 4 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Mar 2018.

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