High-dose-rate brachytherapy as monotherapy for low- and intermediate-risk prostate cancer: long-term experience of Swedish single-center

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Johansson, Bengt,1958-Örebro universitet,Institutionen för medicinska vetenskaper,Region Örebro län,Department of Oncology (författare)

High-dose-rate brachytherapy as monotherapy for low- and intermediate-risk prostate cancer : long-term experience of Swedish single-center

Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

2021
Termedia Publishing,2021
printrdacarrier

Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:oru-92355
https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-92355URI
https://doi.org/10.5114/jcb.2021.105846DOI

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Språk:engelska
Sammanfattning på:engelska

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Anmärkningar

Funding Agency:Örebro County Council
Purpose: Until now, most long-term results for brachytherapy only has been published for low-dose-rate (LDR) seeds. Due to radiobiology reasons, high-dose-rate (HDR) mono-brachytherapy is of growing interest. The aim of the study was to report long-term biochemical control rate and toxicities with HDR monotherapy.Material and methods: This was a retrospective single-institution experience, including 229 men, clinically staged T1c-T2b, Gleason 3 + 3 (prostate specific antigen (PSA) <= 15), or Gleason 3 + 4 (PSA <= 10), consecutively treated between 2004 and 2012 with HDR brachytherapy alone, using three different fractionation schedules of 92-95 Gy (EQD(2), alpha/beta = 3). Group 4F (n = 19) had a single implant of 9.5 Gy in four fractions over 2 days. Group 3F (n = 107) had three separate implants of 11 Gy over 4 weeks. Group 2F (n = 103) had two implants of 14 Gy over 2 weeks. No adjuvant hormonal therapy was allowed.Results: For 4F, 3F, and 2F study groups, median follow-up was 10.2, 7.1, and 6.1 years, respectively, and biochemical failure rate was 10.5%, 4.7%, and 14.6%, respectively. Early and late side effects were followed with common terminology criteria version 2.0 and patient-reported questionnaires. There were a temporary acute urethral toxicity increase, 1-2 grades over baseline lower urinary tract symptoms (LUTS), which usually recovered. About 1/3 of the patients had a remaining one grade over baseline LUTS. Severe grade 3-4 toxicity were only found in 3.5% of patients. No rectal toxicity was observed. Erectile dysfunction (ED) was depending on age and erectile function before treatment. In patients without ED before the treatment, we found a complete ED in 21% of men at the last follow-up.Conclusions: In the present study, HDR mono-brachytherapy was found to be an effective treatment, with mild long-term side effects difficult to differentiate from aging effects. There were no significant differences in PSA regression, PSA failure rate, and toxicity between the different fraction schedules.

Ämnesord och genrebeteckningar

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Cancer och onkologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Cancer and Oncology hsv//eng
prostate cancer
HDR
brachytherapy
monotherapy
outcome

Biuppslag (personer, institutioner, konferenser, titlar ...)

Olsén, Johan StabyDepartment of Oncology, Central Hospital of Karlstad, Karlstad, Sweden (författare)
Karlsson, LeifDepartment of Medical Physics, Örebro University Hospital, Örebro, Sweden (författare)
Lundin, Erik,1970-Örebro universitet,Institutionen för medicinska vetenskaper,Department of Oncology(Swepub:oru)ekln (författare)
Lennernäs, BoDepartment of Oncology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (författare)
Örebro universitetInstitutionen för medicinska vetenskaper (creator_code:org_t)

Sammanhörande titlar

Ingår i:Journal of Contemporary Brachytherapy: Termedia Publishing13:3, s. 245-2531689-832X2081-2841

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Journal of Contemporary Brachytherapy (Sök värdpublikationen i LIBRIS)

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Av författaren/redakt...: Johansson, Bengt ...; Olsén, Johan Sta ...; Karlsson, Leif; Lundin, Erik, 19 ...; Lennernäs, Bo

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Cancer och onkol ...

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Av lärosätet: Örebro universitet

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