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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00123097
Other study ID # NIDCR-14543
Secondary ID U01DE0145435U01D
Status Completed
Phase Phase 3
First received July 21, 2005
Last updated April 5, 2017
Start date February 2005
Est. completion date August 2009

Study information

Verified date April 2017
Source University of Louisville
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to evaluate a new rubber material used to make prosthetic replacements of the face lost to cancer, trauma, or birth defects.


Description:

Maxillofacial prosthetics is a subspecialty of prosthodontics, providing the clinical rehabilitation treatment of patients who have lost parts of the face due to cancer, trauma, or birth defects. It is an orphan field that:

- treats few patients, making the subspecialty unprofitable for manufacturers to develop new materials;

- offers fundamental rehabilitation and improvement in the quality of life to patients who may have exhausted personal or third party funding; and

- provides a dental solution to an essentially medical problem.

Silicone rubber materials have been used for facial rehabilitation for more than 4 decades with few improvements. There is a clear need for new, alternative, and more economic materials for extraoral maxillofacial prostheses. Research at Gulf South Research Institute in New Orleans by the Principal Investigator and others in the 1970s and 1980s developed an alternative low-cost thermoplastic industrial rubber material (chlorinated polyethylene, CPE) that met all toxicological (safety) and physical (effectiveness) requirements. A Phase 2 clinical trial at the time yielded equivocal results when compared to conventional but costly silicone rubber products.

This research is a controlled, randomized, single-crossover, double-blinded investigator-initiated multicenter Phase 3 clinical trial treating 100 patients that evaluates:

- experimental thermoplastic CPE; and

- control silicone (Silastic Adhesive A/MDX4-4210) materials for non-inferiority of CPE based on functional and subjective characteristics, and on the quality of life.

The clinical centers of the trial are at M.D. Anderson Cancer Center in Houston, Texas, and at the Toronto Sunnybrook Regional Cancer Centre in Toronto, Canada.


Other known NCT identifiers
  • NCT00408486

Recruitment information / eligibility

Status Completed
Enrollment 42
Est. completion date August 2009
Est. primary completion date August 2009
Accepts healthy volunteers No
Gender All
Age group 21 Years and older
Eligibility Inclusion Criteria:

- Requires treatment for developmental or acquired extraoral facial defect

- Fully healed wound (6 months after surgery and/or radiation)

- Defect no larger than 9 x 12 cm (3.5 x 4.5 inches, the diameter of a giant bronze flask)

- Cognizant enough to answer questionnaires

- Agrees to wear the prosthesis at least 6 hours per day

- Agrees to use the prescribed adhesive (Epithane-3 - now called Daro Adhesive Extra Strength) and clean and store as instructed

- Plans to be able to return to the research institution for a 10 month period

- Able to manage prosthesis him/herself or with caregiver for a 10 month period

- Karnofsky score greater than or equal to 60 (www.hospicepatients.org/karnofsky.html)

- No framework or implant/magnet retention

- No multiple recurrences of tumor

- No hypersensitivity to adhesives or test materials

- No current systemic or topical facial steroid treatment

- Not legally blind

- Not expected to have further surgeries to defect, radiation therapy, or other cytoreductive therapy over the next 10 months

- No evidence of active skin condition/disease

- Not an infectious risk patient

Study Design


Intervention

Combination Product:
Chlorinated polyethylene elastomer
Chlorinated polyethylene

Locations

Country Name City State
United States University of Louisville Louisville, Kentucky

Sponsors (2)

Lead Sponsor Collaborator
University of Louisville National Institute of Dental and Craniofacial Research (NIDCR)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Non-inferiority of chlorinated polyethylene elastomer (CPE) material 10 month
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