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Treatment of Alveolar Bone Defects Using Aastrom Biosciences Autologous Tissue Repair Cell Therapy

2014-08-27 03:27:34 | BioPortfolio

Summary

The purpose of this research is to determine if a subject's own bone marrow tissue can help regenerate bone in the area of his/her jaw where a tooth has been removed using Tissue Repair Cell (TRC) Therapy.

Description

A sample of the subject's bone marrow tissue will be collected and sent to a laboratory where it will be processed to form cells. The new cells are transplanted into the tooth socket after the tooth has been removed. The researchers are testing to see if these cells (TRC) will help form bone. The research will also determine if the implant the subject receives will be more stable in the area with new bone growth.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Alveolar Bone Defects

Intervention

Tissue Repair Cell therapy, Tissue Repair Cells (TRC)

Location

University of Michigan Center for Oral Health Research
Ann Arbor
Michigan
United States
48106

Status

Active, not recruiting

Source

University of Michigan

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:27:34-0400

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Medical and Biotech [MESH] Definitions

Historically, tissue transplantation, especially of refrigerated tissue (after Filatov). It was theorized that nonspecific substances, capable of initiating restorative processes, formed in tissues when refrigerated. Cell therapy (after Niehans) refers to implantation of tissue by injection. Originally this involved fresh cells but later frozen or lyophilized cells.

Historically, tissue transplantation, especially of refrigerated tissue (after Filatov). It was theorized that nonspecific substances, capable of initiating restorative processes, formed in tissues when refrigerated. Cell therapy (after Niehans) refers to implantation of tissue by injection. Originally this involved fresh cells but later frozen or lyophilized cells.

Procedures for enhancing and directing tissue repair and renewal processes, such as BONE REGENERATION; NERVE REGENERATION; etc. They involve surgically implanting growth conducive tracks or conduits (TISSUE SCAFFOLDING) at the damaged site to stimulate and control the location of cell repopulation. The tracks or conduits are made from synthetic and/or natural materials and may include support cells and induction factors for CELL GROWTH PROCESSES; or CELL MIGRATION.

The reconstruction of a continuous two-stranded DNA molecule without mismatch from a molecule which contained damaged regions. The major repair mechanisms are excision repair, in which defective regions in one strand are excised and resynthesized using the complementary base pairing information in the intact strand; photoreactivation repair, in which the lethal and mutagenic effects of ultraviolet light are eliminated; and post-replication repair, in which the primary lesions are not repaired, but the gaps in one daughter duplex are filled in by incorporation of portions of the other (undamaged) daughter duplex. Excision repair and post-replication repair are sometimes referred to as "dark repair" because they do not require light.

Techniques for enhancing and directing cell growth to repopulate specific parts of the PERIODONTIUM that have been damaged by PERIODONTAL DISEASES; TOOTH DISEASES; or TRAUMA, or to correct TOOTH ABNORMALITIES. Repopulation and repair is achieved by guiding the progenitor cells to reproduce in the desired location by blocking contact with surrounding tissue by use of membranes composed of synthetic or natural material that may include growth inducing factors as well.

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