Spots Global Cancer Trial Database for Radio Frequency Ablation (RFA STUDY )

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Trial Identification

Brief Title: Radio Frequency Ablation (RFA STUDY )

Official Title: Tissue Effect in Extirpated Uterine Fibroid Tissue Using Existing Olympus Radiofrequency Probes for Fibroids Ablation (Radio Frequency Ablation RFA STUDY )

Study ID: NCT02631278

Conditions

Uterine Myoma

Interventions

Intraoperative radiofrequency ablation

Study Description

Brief Summary: The aim of this study is to investigate the safety and feasibility of a radiofrequency (RF) system employing RFITT (CelonProSurge) probes for the ablative treatment of uterine fibroids.

Detailed Description: 10 consecutive premenopausal women with symptomatic uterine fibroids not responsive to medical therapies (including progestins, oral contraceptives, and anti-inflammatory drugs) will be recruited at our hospital to be submitted to abdominal myomectomy. All patients will be counseled on the potential risks and benefits of the procedure before giving their own written consent. Procedures will be performed at the hospital and patients will be under general anesthesia.All patients will be submitted to abdominal myomectomy. Target leiomyomas will be intramural, 5-15 cm in diameter. Intra-operative RF ablation will be carried out followed by surgical removal of the treated leiomyoma. After the removing of the fibroid, it will be send to the pathologist. Specimens of fibroid will be fixed immediately in 10% neutral formaline solution for approximately 3h, then embedded in paraffin, cut into 4mm section and stained with along the direction of the RFA electrode. Pathologic confirmation of ablation will be assessed as follows: the specimens of leiomyoma will be examined grossly for the histologic leiomyoma subtype and for pathologic findings representing treatment, including necrosis, hemorrhage, or fibrosis, using hematoxylin and eosin staining. Treated areas will be measured for their largest orthogonal dimensions in the planar cut surface with the third dimension estimated by summing the affected 0.5-cm-thick sagittal planes. RF ablation volumes will be calculated using the prolate ellipsoid formula. The relationship between thermal dose estimates and pathology will be assessed using Bland-Altman analyses and intra-class correlations. The surgical procedure will be concluded as usual with the same steps of standard approach.