NCT05171582

Brief Summary

The study aimed to assess 6- and 12-months evaluation of clinical, microbiological, and radiography outcomes after performing peri-implantitis regenerative surgical therapy with the bovine bone substitute with or without hyaluronic acid. Materials and Methods: The study could be designed as randomized control clinical trial. Patients with a minimum of one or more early, moderate and advanced stages of the peri-implant lesion will be included in the study. After meeting inclusion criteria, during a regenerative surgical procedure, after mucoperiosteal flap elevation and implant surface decontamination, all patients will be randomly divided into two groups: test group in which bovine bone substitute with hyaluronic acid (HA) (Cerabone plus, Botiss, Germany) will be applied for the filling peri-implant bone defects while in the control group peri-implant bone defects will be filled with bovine bone substitute (Cerabone, Botiss, Germany). Bone grafts will be covered in both groups with collagen dermal matrix (Mucoderm, Botiss, Germany). Clinical, radiograph and microbiological outcomes will be followed at 6 and 12 months after the surgical procedure. ISQ implant stability will be measured before, during a surgical procedure, and 7, 15, 30 days, 3, 6 and 12 months after a surgical procedure.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
25

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Apr 2021

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 15, 2021

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

December 12, 2021

Completed
17 days until next milestone

First Posted

Study publicly available on registry

December 29, 2021

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 15, 2023

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

November 15, 2023

Completed
Last Updated

December 29, 2021

Status Verified

December 1, 2021

Enrollment Period

2.1 years

First QC Date

December 12, 2021

Last Update Submit

December 26, 2021

Conditions

Keywords

regenerative surgery, periimplantitis, photodynamic therapy

Outcome Measures

Primary Outcomes (2)

  • Change of clinical attachment level (CAL)

    CAL, measured in millimetres as the distance from implant shoulder to the bottom of peri-implant pocket at six points.

    Change from baseline CAL at 12 months

  • Change of Peri-implant probing depths (PPD)

    PPD, measured in millimetres as the distance from mucosal margin to bottom of periodontal pocket.

    Change from baseline PPD at 12 months

Secondary Outcomes (3)

  • Change of Keratinized tissue width (KTW)

    Change from baseline KTW at 12 months

  • Change of gingival thickness (GT)

    Change from baseline GT at 12 months

  • Healing index (HI) score

    Changes of the wound healing within 30 days

Other Outcomes (1)

  • Radiography measurements of peri-implant defects

    Measured at baseline and 12 months

Study Arms (2)

Surgery 1 (Test group)

ACTIVE COMPARATOR

In the test group (T), bone defects will be full-filled with bovine bone substitute with HA (Cerabone plus, Botiss, Germany)

Procedure: Surgery 1 (Test group)

Surgery 2 (Control group)

ACTIVE COMPARATOR

In the control group (C), bone defects will be full-filled with xenograft bovine bone substitute without HA (Cerabone, Botiss, Germany).

Procedure: Surgery 2 (Control group)

Interventions

After local anaesthesia, a full-mucoperiosteal flap will be evaluated. After granulation tissue is removed by using titanium or graphite curettes and implant surface decontamination will be performed using photodynamic therapy. Thereafter, the peri-implant bone defects in the test group will be full-filled either with bovine bone substitute with hyaluronic acid (Cerabone plus). Collagen dermal matrix (Mucoderm) will be inserted instead of a collagen membrane. Mucoderm will be fixed with 5.0 resorbable sutures. The flap will be coronally positioned and sutured with 5.0 non-resorbable sutures, respectively.

Surgery 1 (Test group)

After local anaesthesia, a full-mucoperiosteal flap will be evaluated. After granulation tissue is removed by using titanium or graphite curettes and implant surface decontamination will be performed using photodynamic therapy. Thereafter, the peri-implant bone defects in the control group will be full-filled either with bovine bone substitute (Cerabone). Collagen dermal matrix (Mucoderm) will be inserted instead of a collagen membrane. Mucoderm will be fixed with 5.0 resorbable sutures. The flap will be coronally positioned and sutured with 5.0 non-resorbable sutures, respectively.

Surgery 2 (Control group)

Eligibility Criteria

Age18 Years - 80 Years
Sexall(Gender-based eligibility)
Gender Eligibility Details1. \>18 years of age 2. Competent to fully understand all information regarding the research protocol of the study and to sign a written consent for participation
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Peri-implantitis with:
  • Presence of peri-implant pocket \> 5mm,
  • Bleeding on probing (BOP),
  • Radiographic evidence of bone loss \> 3mm, or one or two-third bone loss
  • Implant in function for more than one year (prosthetic rehabilitation for more than six months)
  • Good level of oral hygiene (plaque index \<1)
  • No periodontal or peri-implant treatment three months prior to the study
  • No use antibiotics in the last three months
  • No anti-inflammatory drugs were used in the previous two months

You may not qualify if:

  • Buccally implant placement, implant mobility, two-third of bone loss, patient with systemic conditions (diabetes mellitus, leukemia), patient on radiation therapy, drug and alcohol abuse, pregnant and breastfeeding, women

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

School of Dental Medicine, University of Belgrade

Belgrade, 11000, Serbia

Location

Related Publications (5)

  • Albrektsson T, Canullo L, Cochran D, De Bruyn H. "Peri-Implantitis": A Complication of a Foreign Body or a Man-Made "Disease". Facts and Fiction. Clin Implant Dent Relat Res. 2016 Aug;18(4):840-9. doi: 10.1111/cid.12427. Epub 2016 May 30.

    PMID: 27238274BACKGROUND
  • Mombelli A. Etiology, diagnosis, and treatment considerations in peri-implantitis. Curr Opin Periodontol. 1997;4:127-36.

    PMID: 9655032BACKGROUND
  • Schwarz F, Jepsen S, Herten M, Sager M, Rothamel D, Becker J. Influence of different treatment approaches on non-submerged and submerged healing of ligature induced peri-implantitis lesions: an experimental study in dogs. J Clin Periodontol. 2006 Aug;33(8):584-95. doi: 10.1111/j.1600-051X.2006.00956.x.

    PMID: 16899102BACKGROUND
  • Schwarz F, Sahm N, Bieling K, Becker J. Surgical regenerative treatment of peri-implantitis lesions using a nanocrystalline hydroxyapatite or a natural bone mineral in combination with a collagen membrane: a four-year clinical follow-up report. J Clin Periodontol. 2009 Sep;36(9):807-14. doi: 10.1111/j.1600-051X.2009.01443.x. Epub 2009 Jul 21.

    PMID: 19637997BACKGROUND
  • Schwarz F, Derks J, Monje A, Wang HL. Peri-implantitis. J Periodontol. 2018 Jun;89 Suppl 1:S267-S290. doi: 10.1002/JPER.16-0350.

MeSH Terms

Conditions

Peri-Implantitis

Interventions

Control Groups

Condition Hierarchy (Ancestors)

Periodontal DiseasesMouth DiseasesStomatognathic Diseases

Intervention Hierarchy (Ancestors)

Epidemiologic Research DesignEpidemiologic MethodsInvestigative TechniquesResearch DesignMethods

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Masking Details
Single Blind
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Parallel Assignment
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator and Research Associate

Study Record Dates

First Submitted

December 12, 2021

First Posted

December 29, 2021

Study Start

April 15, 2021

Primary Completion

May 15, 2023

Study Completion

November 15, 2023

Last Updated

December 29, 2021

Record last verified: 2021-12

Data Sharing

IPD Sharing
Will share

Will be published in International Journal

Shared Documents
STUDY PROTOCOL, CSR
Time Frame
from 2022. to 2024.
Access Criteria
There are no access criteria

Locations