24 Gy in One Fraction Urethral-sparing "HDR Like" SBRT for Prostate Cancer
PRO-FAST
PRO-FAST
Sponsor study identifier
interventional
70
1 country
1
Study Start
November 8, 2023
Actual (reported)Primary Completion
May 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
May 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Patients with prostate cancer who are candidates for stereotactic radiotherapy to the prostate and seminal vesicles will undergo staging exams, which will include prostate specific membrane antigen (PSMA) positron emission tomography-computed tomography (PET-CT). If the PET scan is negative and the uroflowmetry is acceptable, the patients will perform the treatment, after fiducial implantation, simulation CT and magnetic resonance (MR), in a single fraction, delivered with a high-dose-rate (HDR)-like urethral sparing technique. In 70 patients, acute and late toxicity, biochemical control, overall survival, cancer specific-survival, and quality of life (through specific questionnaires) will be evaluated.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
May 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
June 20, 2023
Actual (reported)July 10, 2023
Actual (reported)November 8, 2023
Actual (reported)May 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
May 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Acute toxicity
Incidence of acute toxicity of grade 3 or 4 as maximum toxicity value during the radiation treatment or in any case within a month of the end of SBRT, using Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 scale (toxicity from 0- patients without toxicity to 5-death from toxicity)
one month
Biochemical control
5 years (with interim analyzes at 1 and 3 years)
Biochemical relapse
5 years (with interim analyzes at 1 and 3 years)
Local Control
5 years (with interim analyzes at 1 and 3 years)
Distant Disease Control
5 years (with interim analyzes at 1 and 3 years)
Survival
5 years (with interim analyzes at 1 and 3 years)
Organ movement
3 years
Radiomics
5 years ( with interim analyzes at 3 years)
Patients with localized prostate cancer - negative PSMA PET CT +/- standard staging exams (bone scan, CT, MRI)-enrolled in this study, will be treated to prostate/prostate seminal vesicles (according to the risk group) to a total dose of 24 Gy delivered in 1 fraction, with a urethral sparing HDR like technique. For unfavorable intermediate and high-risk pts, Androgen Deprivation Therapy (ADT) will be prescribed for 6 and 24 months, respectively. The procedure will be performed in just one day, from fiducials implantation to radiation treatment delivery.
Patients with prostate cancer will be treated with high-dose SBRT to prostate and seminal vesicles, delivered in one fraction, sparing the urethra and generating a dose distribution similar to HDR brachytherapy
San Raffaele Scientific Institute
Milan, MI, 20132, Italy
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Donovan JL, Hamdy FC, Lane JA, Mason M, Metcalfe C, Walsh E, Blazeby JM, Peters TJ, Holding P, Bonnington S, Lennon T, Bradshaw L, Cooper D, Herbert P, Howson J, Jones A, Lyons N, Salter E, Thompson P, Tidball S, Blaikie J, Gray C, Bollina P, Catto J, Doble A, Doherty A, Gillatt D, Kockelbergh R, Kynaston H, Paul A, Powell P, Prescott S, Rosario DJ, Rowe E, Davis M, Turner EL, Martin RM, Neal DE; ProtecT Study Group*. Patient-Reported Outcomes after Monitoring, Surgery, or Radiotherapy for Prostate Cancer. N Engl J Med. 2016 Oct 13;375(15):1425-1437. doi: 10.1056/NEJMoa1606221. Epub 2016 Sep 14.
Nadia Di Muzio, Prof
IRCCS San Raffaele Scientific Institute
Andrei Fodor, MD
IRCCS San Raffaele Scientific institute
First Submitted
June 20, 2023
Addressing Health Literacy With a Tailored Survivorship Care Plan
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First Posted
July 10, 2023
Study Start
November 8, 2023
Actual (reported)Primary Completion
May 2028
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
May 2030
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
October 27, 2026
Record last verified: 2026-10
The data that support the findings of this study (anonymized individual participant data) are available on request from the corresponding author to researchers who provide a methodologically sound proposal. Requests made to the corresponding author will be evaluated by the IRCCS San Raffaele Scientific Institute Ethics Committee.
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