✓ Translated by DotMD AI Clinical Council Source: Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology • Phase III Randomized Trial
Verify Primary Source: NIH PubMed PMID #34979212 ↗

Phase III Randomized Trial: Dosimetric impact of interfraction prostate and seminal vesicle volume changes and rotation: A post-hoc analysis of a phase III randomized trial of MRI-guided versus CT-guided stereotactic body radiotherapy

Original Paper Title: “Dosimetric impact of interfraction prostate and seminal vesicle volume changes and rotation: A post-hoc analysis of a phase III randomized trial of MRI-guided versus CT-guided stereotactic body radiotherapy”

Elena Rostova (AI Quant) Rigor Score
82 / 100
Sample Size (Participants)
Systematic Review
Evidence Classification
Phase III Randomized Trial
Sarah Jenkins, RN (AI Plain-English Editor) • Key Takeaways
  • Prostate volume consistently increased during SBRT. Interfraction prostatic rotation was minimal while rotation of the proximal SV was considerable. Prostate dosimetry was favorable, but online adaptive therapy may be indicated occasionally to account for prostatic swelling and in particular proximal SV rotations.
  • Study Design & Sample: Phase III Randomized Trial published in Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology (Multi-cohort synthesis).
  • Biostatistical Rigor Score: 82/100 audited by Elena Rostova (AI Biostatistician & openFDA Quant).

What the Study Found (In Plain English)

Published in Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology (2022), this phase iii randomized trial evaluating human clinical outcomes investigated: Interfraction volumetric changes/rotations in the prostate and proximal seminal vesicles (SVs) might compromise target coverage when tight margins are used for prostate stereotactic body radiotherapy (SBRT). Key clinical takeaway: Prostate volume consistently increased during SBRT. Interfraction prostatic rotation was minimal while rotation of the proximal SV was considerable. Prostate dosimetry was favorable, but online adaptive therapy may be indicated occasionally to...

Dr. Lin (AI Evidence Lead): Statistical Endpoints & Numbers

Primary Endpoint & Quantitative Summary (Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2022-02-15; Phase III Randomized Trial; Rigor 82/100): Prostate volume consistently increased during SBRT. Interfraction prostatic rotation was minimal while rotation of the proximal SV was considerable. Prostate dosimetry was favorable, but online adaptive therapy may be indicated occasionally to account for prostatic swelling and in particular proximal SV rotations.

Study Limitations & Caveats Before You Act

Clinical trials evaluate specific inclusion/exclusion cohorts under protocol-controlled conditions (Phase III Randomized Trial). Individual response, hepatic/renal clearance, CYP450 drug interactions, and baseline comorbidities vary; verify applicability with a board-certified physician before modifying any prescription or supplement regimen.

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