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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT02813213
Other study ID # R-2013-3501-8
Secondary ID
Status Recruiting
Phase Phase 4
First received June 21, 2016
Last updated January 25, 2018
Start date June 2016
Est. completion date September 2018

Study information

Verified date January 2018
Source Coordinación de Investigación en Salud, Mexico
Contact Alejandro Cruz, MD
Phone 5534242197
Email alejandrocruzsegura@hotmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a double-blind randomized controlled clinical trial, that compares the percentage of epithelialization of skin defects using the conventional meshed split thickness skin grafts vs skin micro grafts.

Two techniques will be applied in the same patient. The skin defect will be divided in two parts, and with a randomized method each half of this defect will be assigned to one of the two techniques.


Description:

Split thickness skin graft is the standard technique in skin defects reconstruction.

The etiology of this problem is diverse (burns, infections, trauma, cancer) however, many times the availability of donor areas are insufficient and morbidity and complications that may arise make prohibitive the use of this technique in many situations.

Skin micro grafts technique consists in using a very small part of skin (0.8x 0.8 mm) and keratinocyte growth-factor solution that allows a 1:50- 1:100 skin expansion. It has many advantages: it can be performed with local anesthesia and donor area is tiny.

The study consists in using the conventional and the new technique in the same patient. The skin defect will be divided in two parts, and with a randomized method each half of this defect will be assigned to one of the two different techniques. The result variable will be the "percentage of epithelialization" and will be compared in the two halves. This variable will be measured at day 14 using clinical and image software methods. The patient and the investigator that record the outcome variable will be blinded to the type of technique.

The investigators will take skin biopsies of two halves and will perform pathology studies.


Recruitment information / eligibility

Status Recruiting
Enrollment 30
Est. completion date September 2018
Est. primary completion date August 2018
Accepts healthy volunteers No
Gender All
Age group 18 Years to 99 Years
Eligibility Inclusion Criteria:

- Non complicated wounds (no infection, no cancer)

- Wound area: 20 x 20 cms or less

- Located in diverse anatomical regions (except axillar, groin, genital, sole, scalp and flexion or extension areas)

Exclusion Criteria:

- High cardiovascular risk

- Patients with indication of a different technique

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Skin micro Grafts
0.8 x 0.8 skin micro graft with graft to graft distance of 4 cm (1:50 expansion) bathed with keratinocyte growth factor solution ( 1.5 ml for each 14 square centimeters of wound)
Standard skin graft
Standard split thickness (0.3-0.5mm) skin graft

Locations

Country Name City State
Mexico "La Raza" Medical Center. IMSS Azcapotzalco Mexico City

Sponsors (1)

Lead Sponsor Collaborator
Coordinación de Investigación en Salud, Mexico

Country where clinical trial is conducted

Mexico, 

References & Publications (12)

Chern PL, Baum CL, Arpey CJ. Biologic dressings: current applications and limitations in dermatologic surgery. Dermatol Surg. 2009 Jun;35(6):891-906. doi: 10.1111/j.1524-4725.2009.01153.x. Epub 2009 Apr 6. Review. — View Citation

Chester DL, Balderson DS, Papini RP. A review of keratinocyte delivery to the wound bed. J Burn Care Rehabil. 2004 May-Jun;25(3):266-75. Review. — View Citation

Green H, Rheinwald JG, Sun TT. Properties of an epithelial cell type in culture: the epidermal keratinocyte and its dependence on products of the fibroblast. Prog Clin Biol Res. 1977;17:493-500. — View Citation

Hackl F, Bergmann J, Granter SR, Koyama T, Kiwanuka E, Zuhaili B, Pomahac B, Caterson EJ, Junker JP, Eriksson E. Epidermal regeneration by micrograft transplantation with immediate 100-fold expansion. Plast Reconstr Surg. 2012 Mar;129(3):443e-452e. doi: 1 — View Citation

Lumenta DB, Kamolz LP, Frey M. Adult burn patients with more than 60% TBSA involved-Meek and other techniques to overcome restricted skin harvest availability--the Viennese Concept. J Burn Care Res. 2009 Mar-Apr;30(2):231-42. doi: 10.1097/BCR.0b013e318198 — View Citation

MEEK CP. Extensive severe burn treated with enzymatic debridement and microdermagrafting: case report. Am Surg. 1963 Jan;29:61-4. — View Citation

MEEK CP. Successful microdermagrafting using the Meek-Wall microdermatome. Am J Surg. 1958 Oct;96(4):557-8. — View Citation

Munster AM. Use of cultured epidermal autograft in ten patients. J Burn Care Rehabil. 1992 Jan-Feb;13(1):124-6. — View Citation

Rheinwald JG, Green H. Serial cultivation of strains of human epidermal keratinocytes: the formation of keratinizing colonies from single cells. Cell. 1975 Nov;6(3):331-43. — View Citation

Svensjö T, Pomahac B, Yao F, Slama J, Wasif N, Eriksson E. Autologous skin transplantation: comparison of minced skin to other techniques. J Surg Res. 2002 Mar;103(1):19-29. — View Citation

TANNER JC Jr, VANDEPUT J, OLLEY JF. THE MESH SKIN GRAFT. Plast Reconstr Surg. 1964 Sep;34:287-92. — View Citation

Wood FM, Stoner M. Implication of basement membrane development on the underlying scar in partial-thickness burn injury. Burns. 1996 Sep;22(6):459-62. — View Citation

* Note: There are 12 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of epithelialization It will be measured with imaging software (comparing color density) in order to calculate the percentage of epithelialization at day 14 compared with the initial wound area 14th day
Secondary Histological study Study of the histological characteristics of the skin under microscope 14th day
Secondary Clinical percentage of epithelialization It will be measured with the "irregular patterns" technique that uses different sizes of geometric patterns in order to calculate the area of a irregular surface. Epithelialization will be compared at day 14 compared with the initial wound area. 14th day
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