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Vedang Murthy: Late urinary toxicity after hypofractionated prostate radiation in patients with prior TURP
Aug 8, 2024, 04:48

Vedang Murthy: Late urinary toxicity after hypofractionated prostate radiation in patients with prior TURP

Vedang Murthy, Professor GU-Radiation Oncology at Tata Memorial Centre Mumbai, shared a post on X, about recent paper published in International Journal of Radiation Oncology – Biology – Physics (IJROBP):

Late Urinary Toxicity After Extreme or Moderate Hypofractionated Prostate Radiation Therapy in Patients With Prior Transurethral Resection of Prostate.

Authors: Maneesh Singh, Priyamvada Maitre, Anuradha Krishnan, Ketaki Adsul, Sarath Mini Sreekumar, Harshdeep Chauhan, Pranav Narayan Bishnu, Reena Phurailatpam, Pallavi Singh, Divya Kamble, Ganesh Bakshi, Mahendra Pal, Amandeep Arora, Ankit Misra, Gagan Prakash, Vedang Murthy.

Vedang Murthy: Late urinary toxicity after hypofractionated prostate radiation in patients with prior TURP

”New study alert!

About 25% of patients undergoing curative radiotherapy (RT) in India have a prior history of Channel Transurethral Resection of the Prostate (TURP), mostly for disease-related obstruction.

Purpose: Investigate late urinary toxicity in prostate cancer patients post-TURP treated with moderate or extreme hypo radiotherapy (RT).

Methods: n=203 patients from Tata Memorial Hospital, ACTREC (Advanced Centre for Treatment, Research and Education in Cancer). Severity and duration of genitourinary (GU) symptoms post-RT were graded according to the Common Terminology Criteria for Adverse Events (CTCAE).

Results: At a median follow-up of 37 months, the cumulative grade 3 and grade 2 late urinary toxicity were 8.4% and 23.2%, respectively. The chief grade 3 symptoms were hematuria (6.4%) and urinary obstruction (3.4%). These were mostly temporary, but still scored as grade 3!

Time Factors:

  • The median time from TURP to radiotherapy (RT) was 10 months.
  • Grade 3 symptoms appeared at a median of 29 months post-RT and lasted a median of 8 months.

Conclusion: There was no significant association of age, diabetes, pelvic RT, fraction size, prostate volume, TURP-RT duration, or TURP cavity volume with late grade 2+ urinary toxicity. Interestingly, a TURP cavity volume greater than 1cc may actually be protective!

Conclusion: Incidence of severe late urinary adverse effects was less than 10%, predominantly temporary hematuria or urinary obstruction. For more insights, read the full paper here.”

Source: Vedang Murthy/X