Feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.

<h4>Objective</h4>To assess the feasibility, safety and precision of organ-based tracking (OBT)-fusion targeted focal microwave ablation (FMA), in patients with low to intermediate risk prostate cancer.<h4>Patients and method</h4>Ten patients with a visible index tumor of Gle...

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Autores principales: Nicolas Barry Delongchamps, Alexandre Schull, Julien Anract, Jean-Paul Abecassis, Marc Zerbib, Mathilde Sibony, Léa Jilet, Hendy Abdoul, Vincent Goffin, Michaël Peyromaure
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Publicado: Public Library of Science (PLoS) 2021
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spelling oai:doaj.org-article:50141246603f4b8d862722c30eafdc002021-12-02T20:05:04ZFeasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.1932-620310.1371/journal.pone.0252040https://doaj.org/article/50141246603f4b8d862722c30eafdc002021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0252040https://doaj.org/toc/1932-6203<h4>Objective</h4>To assess the feasibility, safety and precision of organ-based tracking (OBT)-fusion targeted focal microwave ablation (FMA), in patients with low to intermediate risk prostate cancer.<h4>Patients and method</h4>Ten patients with a visible index tumor of Gleason score ≤3+4, largest diameter <20mm were included. Transrectal OBT-fusion targeted FMA was performed using an 18G needle. Primary endpoint was the evidence of complete overlap of the index tumor by ablation zone necrosis on MRI 7 days after ablation. Urinary and sexual function were assessed with IPSS, IIEF5 and MSHQ-EjD-SF. Oncological outcomes were assessed with PSA at 2 and 6 months, and re-biopsy at 6 months.<h4>Results</h4>Median [IQR] age was 64.5 [61-72] years and baseline PSA was 5 [4.3-8.1] ng/mL. Seven (70%) and 3 (30%) patients had a low and intermediate risk cancer, respectively. Median largest tumor axis was of 11 [9.0-15.0] mm. Median duration of procedure was of 82 [44-170] min. No patient reported any pain or rectal bleeding, and all 10 patients were discharged the next day. Seven days after ablation, total necrosis of the index tumor on MRI was obtained in eight (80% [95%CI 55%-100%]) patients. One patient was treated with radical prostatectomy. Re-biopsy at 6 months in the other 9 did not show evidence of cancer in 4 patients. IPSS, IIEF-5 and MSHQ-EjD-SF were not statistically different between baseline and 6 months follow up.<h4>Conclusions</h4>OBT-fusion targeted FMA was feasible, precise, and safe in patients with low to intermediate risk localized prostate cancer.Nicolas Barry DelongchampsAlexandre SchullJulien AnractJean-Paul AbecassisMarc ZerbibMathilde SibonyLéa JiletHendy AbdoulVincent GoffinMichaël PeyromaurePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0252040 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Nicolas Barry Delongchamps
Alexandre Schull
Julien Anract
Jean-Paul Abecassis
Marc Zerbib
Mathilde Sibony
Léa Jilet
Hendy Abdoul
Vincent Goffin
Michaël Peyromaure
Feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.
description <h4>Objective</h4>To assess the feasibility, safety and precision of organ-based tracking (OBT)-fusion targeted focal microwave ablation (FMA), in patients with low to intermediate risk prostate cancer.<h4>Patients and method</h4>Ten patients with a visible index tumor of Gleason score ≤3+4, largest diameter <20mm were included. Transrectal OBT-fusion targeted FMA was performed using an 18G needle. Primary endpoint was the evidence of complete overlap of the index tumor by ablation zone necrosis on MRI 7 days after ablation. Urinary and sexual function were assessed with IPSS, IIEF5 and MSHQ-EjD-SF. Oncological outcomes were assessed with PSA at 2 and 6 months, and re-biopsy at 6 months.<h4>Results</h4>Median [IQR] age was 64.5 [61-72] years and baseline PSA was 5 [4.3-8.1] ng/mL. Seven (70%) and 3 (30%) patients had a low and intermediate risk cancer, respectively. Median largest tumor axis was of 11 [9.0-15.0] mm. Median duration of procedure was of 82 [44-170] min. No patient reported any pain or rectal bleeding, and all 10 patients were discharged the next day. Seven days after ablation, total necrosis of the index tumor on MRI was obtained in eight (80% [95%CI 55%-100%]) patients. One patient was treated with radical prostatectomy. Re-biopsy at 6 months in the other 9 did not show evidence of cancer in 4 patients. IPSS, IIEF-5 and MSHQ-EjD-SF were not statistically different between baseline and 6 months follow up.<h4>Conclusions</h4>OBT-fusion targeted FMA was feasible, precise, and safe in patients with low to intermediate risk localized prostate cancer.
format article
author Nicolas Barry Delongchamps
Alexandre Schull
Julien Anract
Jean-Paul Abecassis
Marc Zerbib
Mathilde Sibony
Léa Jilet
Hendy Abdoul
Vincent Goffin
Michaël Peyromaure
author_facet Nicolas Barry Delongchamps
Alexandre Schull
Julien Anract
Jean-Paul Abecassis
Marc Zerbib
Mathilde Sibony
Léa Jilet
Hendy Abdoul
Vincent Goffin
Michaël Peyromaure
author_sort Nicolas Barry Delongchamps
title Feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.
title_short Feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.
title_full Feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.
title_fullStr Feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.
title_full_unstemmed Feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: Results of the FOSTINE trial.
title_sort feasibility and safety of targeted focal microwave ablation of the index tumor in patients with low to intermediate risk prostate cancer: results of the fostine trial.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/50141246603f4b8d862722c30eafdc00
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