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MRI-guided focal laser ablation of prostate cancer: a prospective single-arm, single-center trial with 3 years of follow-up

Mehralivand, Sherif ; George, Arvin K ; Hoang, Anthony N ; Rais-Bahrami, Soroush ; Rastinehad, Ardeshir R ; Lebastchi, Amir H ; Ahdoot, Michael ; Siddiqui, Mohummad Minhaj ; Bloom, Jonathan ; Sidana, Abhinav ; Merino, Maria J ; Choyke, Peter L ; Shih, Joanna H ; Turkbey, Baris ; Wood, Bradford J ; Pinto, Peter A

Diagnostic and interventional radiology (Ankara, Turkey), 2021-05, Vol.27 (3), p.394-400 [Periódico revisado por pares]

Turkey: Galenos Yayinevi Tic. Ltd

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  • Título:
    MRI-guided focal laser ablation of prostate cancer: a prospective single-arm, single-center trial with 3 years of follow-up
  • Autor: Mehralivand, Sherif ; George, Arvin K ; Hoang, Anthony N ; Rais-Bahrami, Soroush ; Rastinehad, Ardeshir R ; Lebastchi, Amir H ; Ahdoot, Michael ; Siddiqui, Mohummad Minhaj ; Bloom, Jonathan ; Sidana, Abhinav ; Merino, Maria J ; Choyke, Peter L ; Shih, Joanna H ; Turkbey, Baris ; Wood, Bradford J ; Pinto, Peter A
  • Assuntos: Ablation ; Ablation (Vaporization technology) ; Antigens ; Care and treatment ; Feasibility ; Health aspects ; Interventional Radiology ; Laser ablation ; Lasers ; Magnetic resonance imaging ; Methods ; Patient outcomes ; Prostate cancer
  • É parte de: Diagnostic and interventional radiology (Ankara, Turkey), 2021-05, Vol.27 (3), p.394-400
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: We aimed to assess post-interventional and 36-month follow-up results of a single-center, single-arm, in-bore phase I trial of focal laser ablation (FLA) guided by multiparametric magnetic resonance imaging (mpMRI). FLA procedures were done in-bore MRI using a transperineal approach. Primary endpoints were feasibility and safety expressed as lack of grade 3 complications. Secondary endpoints were changes in international prostate symptom score (IPSS), sexual health inventory for men (SHIM), quality of life (QoL) scores, and serum prostate specific antigen (PSA) levels. Treatment outcomes were assessed by combined mpMRI-ultrasound fusion-guided and extended sextant systematic biopsy after 12, 24, and optionally after 36 months. Fifteen participants were included. Seven patients (46.67%) had Gleason 3+3 and 8 patients (53.33%) had Gleason 3+4 cancer. All patients tolerated the procedure well, and no grade 3/4 complications occurred. All grade 1 and 2 complications were transient and resolved completely. There was no significant change in mean IPSS from baseline (-1, p = 0.460) and QoL (0, p = 0.441) scores following FLA but there was a significant drop in mean SHIM scores (-2, p = 0.010) compared to pretreatment baselines. Mean PSA significantly decreased after FLA (-2.5, p < 0.001). Seven out of 15 patients (46.67%) had residual cancer in, adjacent, or in close proximity to the treatment area (1 × 4+3=7, 1 × 3+4=7, and 5 × 3+3=6). Four out of 15 patients (26.67%) underwent salvage therapy (2 repeat FLA, 2 radical prostatectomy). After 3 years of follow-up we conclude focal laser ablation is safe and feasible without significant complications.
  • Editor: Turkey: Galenos Yayinevi Tic. Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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