Abstract:
PURPOSE:Brachytherapy (BrT) is a standard treatment for low-risk to favorable-intermediate-risk prostate cancer but is a relative contraindication for patients with obstructive symptoms. We aimed to assess the feasibility and urinary toxicity of a minimal photovaporization (mPVP) before implantation. MATERIALS AND METHODS:Between 04/2009 and 08/2016, 50 patients candidates for BrT but with International Prostate Symptom Score (IPSS)>15, uroflowmetry <15 mL/s, obstructive prostate or large median lobe underwent a mPVP (GreenLight Laser) at least 6 weeks (median 8.5) before permanent seed implantation (loose seeds, 125I, 160 Gy). RESULTS:Two patients (4%) did not have sufficient improvement and did not undergo BrT, although it would have been possible at 3 months. For the 48 (96%) other patients, at the baseline, mean IPSS was 15.5 (±5.3), vs. 8.6 (±4.4) after mPVP (p = 1 × 10-6), and uroflowmetry 11.7 mL/s (±4), vs. 17.4 (±5.4) (p = 1.4 × 10-5). We did not experience any difficulty for BrT. Mean IPSS did not significantly increase 1, 3, or 6 months after BrT. With a median followup of 60 months [30-120], (92% assessed at last followup), only 4 patients (4/48 = 8.3%) experienced urinary retention and 5 (10.4%) needed surgery for urinary toxicity. In addition, only 2 patients (4%) needed medical treatment at last followup. Considering the 8 patients with de novo incontinence at 1 year, only 2 (4%) had persistent mild symptoms at last followup (36 months) (ICS1-2). CONCLUSIONS:These results suggest that a two-step approach with an mPVP at least 6 weeks before BrT is feasible, with no excessive urinary toxicity, and may be a good strategy for obstructive patients seeking BrT.
journal_name
Brachytherapyjournal_title
Brachytherapyauthors
Peigne C,Fournier G,Dissaux G,Delage F,Coquet JB,Boussion N,Goasduff G,Malhaire JP,Pradier O,Schick U,Valeri Adoi
10.1016/j.brachy.2020.08.003subject
Has Abstractpub_date
2021-01-01 00:00:00pages
50-57issue
1eissn
1538-4721issn
1873-1449pii
S1538-4721(20)30178-1journal_volume
20pub_type
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