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Spots Global Cancer Trial Database for A Trial of Two Electrosurgical Conizations: Histopathological Analysis of Excision Margins

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Trial Identification

Brief Title: A Trial of Two Electrosurgical Conizations: Histopathological Analysis of Excision Margins

Official Title: Large Loop Excision of Transformation Zone Cone Versus Straight Wire Excision of Transformation Zone : Histopathological Analysis of Excision Margins

Study ID: NCT01929993

Interventions

SWETZ
LLETZ cone

Study Description

Brief Summary: The purpose of this trial is to evaluate if Straight Wire Excision of the Transformation Zone (SWETZ) is superior to (Large Loop Excision of the Transformation Zone) LLETZ cone in reducing the incomplete excision of disease.

Detailed Description: Cone biopsy is a surgical procedure which objectives the excision of endocervical pre-invasive disease located at transformation zone or glandular epithelium. Although cone biopsy is considered adequate for the treatment of endocervical dysplastic epithelium , using electrosurgery as opposed to the cold knife technique of cone biopsy has been criticized because of the perceived potential for incomplete excision of disease, thermal damage and surgical specimen fragmentation, which might increase the risk of missing early invasive cancer. Also, incomplete excision margin of disease exposes women to an increased risk of residual post-treatment disease. The standard procedure, Large Loop Excision of the Transformation Zone (LLETZ-cone), is performed with a large loop electrode of 20-25 mm depth. The experimental intervention is Straight Wire Excision of the Transformation Zone (SWETZ), a method of excision using a 1cm straight disposal of 0.20 wire to remove the endocervical transformation zone or glandular disease. Both procedures were previously studied in another clinical trial(NCT00995020), but the histological analysis were inconclusive for many outcomes. SWETZ were superior to LLETZ cone to acquire complete excision of disease, with no statistical significance, probably due to the small sample size. This study objectives a better histological analyses of the surgical specimens related to incomplete excision, thermal damage and fragmentation.

Eligibility

Minimum Age:

Eligible Ages: CHILD, ADULT, OLDER_ADULT

Sex: FEMALE

Healthy Volunteers: No

Locations

Fernandes Figueira Institute - Oswaldo Cruz Foundation, Rio de Janeiro, RJ, Brazil

Contact Details

Name: Maria J Camargo, PHD

Affiliation: Oswaldo Cruz Foundation

Role: STUDY_DIRECTOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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