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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT02396056
Other study ID # StonyBrookU
Secondary ID
Status Recruiting
Phase N/A
First received March 18, 2015
Last updated October 13, 2016
Start date December 2014
Est. completion date December 2017

Study information

Verified date October 2016
Source Stony Brook University
Contact Julio A Carrion, DMD, PhD
Phone 631-632-9443
Email julio.carrion@stonybrook.edu
Is FDA regulated No
Health authority United States: Institutional Review Board
Study type Interventional

Clinical Trial Summary

Guided bone regeneration (GBR) procedures have significantly evolved over the last 20 years. Significant advances have been made with various barrier membranes with or without the use of bone grafts and other materials. Some of the main limitations of non-resorbable barriers included cytotoxicity and need for removal, which can adversely affect the regenerated bone volume. Similar GBR success has been documented extensively with cell occlusive resorbable barriers membranes. Recently, the investigators demonstrated supracrestal bone regeneration in guided tissue regeneration procedures in humans with the use of novel perforated barrier membrane (MPM). The perforation allows mesenchymal stem cells and other progenitor cells present in the gingival tissues to migrate into the osseous defect and contribute to the osseous regeneration potential.

The objective of this study is to investigate the GBR potential of MPM in alveolar ridge defects, relative to a similar occlusive barrier. Ten non-smoking patients that need localized alveolar ridge augmentation prior to implant placement will be included into the study. Patients will be divided into two groups, as follows: occlusive bovine collagen membrane (OM control group, 5 patients) and modified bovine perforated collagen membrane (MPM test group, 5 patients). All sites will be grafted with mineralized cortical bone allograft and when needed cortical bone pins will be use for site stability. A Cone Bean (CT) will be obtained prior to surgery and 6-8 months post treatment from which volumetric width changes will be quantify. A bone biopsy will be obtained at the time of implant placement (~6-8 months) to determine residual graft particles and new bone formation. Dimensional width changes will be assess at 6-8 months during re-entry for implant placement. Soft tissue healing will be assessed at 2, 4, 8, 16 weeks and 6 months.

This study can potentially impact current bone augmentation techniques and may lead to the modification of existing commercial membranes that will enhance site development prior to implant placement. The contribution of progenitor cells to the osseous defect might lead to greater bone formation and possible faster wound healing.


Recruitment information / eligibility

Status Recruiting
Enrollment 10
Est. completion date December 2017
Est. primary completion date December 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria:

- at the augmentation site, the alveolar ridge must be deficient in a buccolingual dimension (< 5.5 mm): Class 1 Seibert defects.

- alveolar ridges to be augmented must have a minimum of 4 mm of keratinized gingiva extending the length of the planned augmentation.

Exclusion Criteria:

- general contraindications to implant surgery

- subjected to irradiation, chemotherapy or immunosuppressive therapy over the past 5 years

- poor oral hygiene and motivation

- uncontrolled diabetes

- pregnant or lactating

- substance abusers

- current smokers

- psychiatric problems or unrealistic expectations

- acute infection in the area intended for implant placement

- positive to HIV and hepatitis B and C

- affected by autoimmune diseases such as arthritis rheumatoid, systemic lupus erythematosus, sclerodermia, Sjo ¨gren syndrome and dermatomyositis polymyositis

- treated or under treatment with intravenous amino-bisphosphonates

- subjected previously to reconstructive procedures of the posterior mandible and

- under chronic treatment with steroids or non-steroidal anti-inflammatory drugs

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Other:
BioMend Extend
Biomend Extend is a resorbable collagen membrane used for guided tissue and bone regeneration.
Modified BioMend Extend
Biomend Extend is a resorbable collagen membrane used for guided tissue and bone regeneration. This membrane will be perforated to allow the passage of cells and growth factors that can potentially enhanced bone augmentation.

Locations

Country Name City State
United States School of Dental Medicine of Stony Brook University Stony Brook New York

Sponsors (1)

Lead Sponsor Collaborator
Stony Brook University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other De novo bone formation, and residual graft particles quantification with histomorphometric analysis at 6 months post treatment No
Primary Clinical horizontal bone augmentation results through direct measurement. at 6 months post treatment No
Secondary Volumetric measurements with CBCT pre- and 6 months post treatment No
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