Evaluation of Geistlich Fibro-Gide® in Comparison to CTG for the Treatment Around Implants

NCT ID: NCT04703738

Last Updated: 2021-12-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-08-13

Study Completion Date

2025-12-31

Brief Summary

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This double blind, randomized, parallel study evaluates the non-inferiority of Geistlich Fibro-Gide® in comparison to connective tissue graft for soft tissue volume augmentation around dental implants

Detailed Description

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A total sample size of 60 subjects (n=60) will be evaluated at 5 centers, by 6 Investigators with approximately 10-subjects per Investigator. Power analysis based on 80% power, past Thoma, Zeltner and González-Martin studies 1,2,3 and a one-sided confidence interval of 0.025, indicates that with a volume change standard deviation between 0.5 and 0.7 mm, 17-31 subjects are required per group (test and control), so 50-60 subjects are an acceptable estimate, with a preference for 60, given potential loss to long-term follow-up.

Conditions

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Soft Tissue Defect

Keywords

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soft tissue augmentation soft tissue volume Fibro-Gide CTG Geistlich

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

parallel, randomized, controlled, single-blind, multi-centre clinical trial
Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors
Single-blind (Outcomes Examiner)

Study Groups

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Control

Soft tissue flap + Connective Tissue Graft

Group Type ACTIVE_COMPARATOR

Soft tissue flap + Connective Tissue Graft

Intervention Type PROCEDURE

The treatment site is accessed using a full thickness flap extending at least 1 full tooth mesial and distal, vertical releasing incisions may be used to obtain flap release for full coverage of the treatment site and graft without compression. The harvest graft donor area will be the palate in the bicuspid region on the same side as the control soft tissue augmentation therapy. The CTG will be harvested using full thickness incisions that include the periosteum and will be closed using suture and coating the incision line with a tissue adhesive. No covering stents or packs should be employed. The CTG will be sling sutured in place and the flap secured using a double sling suturing technique.

Test

Soft tissue flap + Geistlich Fibro-Gide®

Group Type EXPERIMENTAL

Soft tissue flap + Geistlich Fibro-Gide®

Intervention Type DEVICE

The treatment site is accessed using a full thickness flap extending at least 1 full tooth mesial and distal, vertical releasing incisions may be used to obtain flap release for full coverage of the treatment site and matrix without compression. Geistlich Fibro-Gide® is cut to shape to the treatment site and placed dry into the site. The flap is secured using a double sling suturing technique.

Interventions

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Soft tissue flap + Geistlich Fibro-Gide®

The treatment site is accessed using a full thickness flap extending at least 1 full tooth mesial and distal, vertical releasing incisions may be used to obtain flap release for full coverage of the treatment site and matrix without compression. Geistlich Fibro-Gide® is cut to shape to the treatment site and placed dry into the site. The flap is secured using a double sling suturing technique.

Intervention Type DEVICE

Soft tissue flap + Connective Tissue Graft

The treatment site is accessed using a full thickness flap extending at least 1 full tooth mesial and distal, vertical releasing incisions may be used to obtain flap release for full coverage of the treatment site and graft without compression. The harvest graft donor area will be the palate in the bicuspid region on the same side as the control soft tissue augmentation therapy. The CTG will be harvested using full thickness incisions that include the periosteum and will be closed using suture and coating the incision line with a tissue adhesive. No covering stents or packs should be employed. The CTG will be sling sutured in place and the flap secured using a double sling suturing technique.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Subjects requiring soft tissue augmentation around single implants, i.e., thin biotype with potential for
* All implants must be at least 6 months post bone graft/implant placement
* have at least 1 mm of keratinized tissue width (KTw),
* have final restoration permanently in place for at least 4-weeks and
* subject have no recession on the implant body
* Subjects who, can achieve good oral hygiene (80% plaque free surfaces on the implant and maintain 80% plaque free surfaces on teeth adjacent to treatment sites).

Exclusion Criteria

* participation within the last six months in other interventional studies.
* any systemic condition that could influence healing, such as uncontrolled diabetes mellitus - confirmed by A1C score ≥7% - cancer, HIV, oral muco- cutaneous conditions and drug induced gingival enlargement.
* taking medications that compromise wound healing, such as chronic steroid use - either inhaler or systemic, calcium channel blockers with secondary hyperplastic tissue reactions, anti-seizure medications, IV bisphosphates for bone metabolic diseases, radiation or other immuno-suppressive therapy.
* acute infectious lesions in the areas intended for surgery.
* History within the last 6 months of weekly or more frequent use of nicotine products
* Female subjects who are pregnant or lactating, or sexually active female subjects who are of childbearing potential and who are not using hormonal or barrier methods of birth control
* Untreated, moderate to severe periodontal disease.
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Medelis Inc.

INDUSTRY

Sponsor Role collaborator

Geistlich Pharma AG

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Donald S Clem III, DDS

Role: PRINCIPAL_INVESTIGATOR

Regenative Solutions

Locations

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Regenerative Solutions

Fullerton, California, United States

Site Status

McClain Schallhorn Periodonitcs

Aurora, Colorado, United States

Site Status

Perio Health Professionals

Houston, Texas, United States

Site Status

Periodontal and Dental Implant Surgical Specialist

Virginia Beach, Virginia, United States

Site Status

Santarelli Oral and Facial Surgery

Kenosha, Wisconsin, United States

Site Status

Countries

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United States

Other Identifiers

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10808-122

Identifier Type: -

Identifier Source: org_study_id