Locally Recurrent Prostate CancerF-SharpNCT03312972
Focal Salvage HDR Brachytherapy for Locally Recurrent Prostate Cancer in Patients Treated With Prior Radiotherapy
A study testing HDR Brachytherapy in people with Locally Recurrent Prostate Cancer, run by Loyola University at 2 sites in United States.
Trial summary
This purpose of this study is to evaluate the safety and effectiveness of a technique called focal high-dose-rate (HDR) brachytherapy as treatment for prostate cancer that has come back in the prostate after prior radiotherapy. The study will examine the safety and efficacy of the treatment. Read more about this study
- Who is it for?
- Ages 18 years and older, men only
- Conditions the study is for
- Locally Recurrent Prostate Cancer
- What is being tested?
- HDR Brachytherapy
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 50 participants
- Where
- 2 sitesUnited States
- Study dates
- 28 Aug 2017to 31 Jul 2026
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- Men only
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Biopsy proven locally recurrent adenocarcinoma of the prostate after the completion of definitive radiation therapy for initially diagnosed prostate cancer.
- Biopsy must be performed within 182 days of trial registration
- Biopsy should be a standard sextant biopsy AND either a targeted MR/ultrasound guided biopsy or saturation biopsy or both.
- Initial cancer diagnosis that fits these specific criteria:
- Stages T1-T3a
- Nx or N0
Show all 24Show fewer
- Mx or M0
- Eligible initial definitive radiotherapy modalities include:
- External beam radiotherapy, with photon or proton beam therapy
- Conventional or moderately hypofractionated radiotherapy
- Extremely hypofractionated external beam radiotherapy (Stereotactic body radiation therapy)
- Definitive Brachytherapy:
- Low-dose rate
- High-dose rate
- Locally recurrent disease confined to the prostate +/- seminal vesicles and immediately adjacent tissue, as evaluated by the following:
- History/Physical examination
- Radiographically node negative disease (N0), as defined by CT or MR of pelvis +/- abdomen within 6 months of registration.
- No evidence of bone metastases (M0) on bone scan within 6 months of registration.
- Fluciclovine-PET is encouraged, but not required
- Patients receiving ADT are eligible as long as they meet the other eligibility criteria. However, the duration of all ADT must be documented.
- Current ECOG Performance status Scale 0-2
- Current International Prostate Symptom Score (IPSS) < 20
- The patient must be medically suitable to receive general anesthesia.
- The patient must be able and willing to sign a study-specific written informed consent form before study entry.
Who cannot join
- Preregistration GI or GU toxicity (for any reason) grade ≥ 3 as defined in CTCAE version 4.03. That is, grade ≥ 3 GU or GI toxicity after first course of radiotherapy
- Patients receiving any other investigational agents.
- Uncontrolled inter-current illness including, but not limited to, ongoing or active infection, severely symptomatic congestive heart failure, cardiac arrhythmia, recent myocardial infarction in last 6 months, or psychiatric illness/social situations that could limit compliance with study requirements.
- Patients who have received chemotherapy or immunotherapy within one month prior to study enrollment, other than ADT
Trial locations and contacts
2 sites in 1 country.
United States2 sites
University of Virginia School of Medicine
Charlottesville, Virginia, 22908
Loyola University Medical Center
Maywood, Illinois, 60153
About this study
Official title: F-SHARP: A Phase I/II Trial of Focal Salvage High-dose-rate BRachytherapy for Locally Recurrent Prostate Cancer in Patients Treated With Prior Radiotherapy
This purpose of this study is to evaluate the safety and effectiveness of a technique called focal high-dose-rate (HDR) brachytherapy as treatment for prostate cancer that has come back in the prostate after prior radiotherapy. The study will examine the safety and efficacy of the treatment. The type of radiation that participants in this research will receive is targeted directly at the areas of the prostate where recurrent disease is evident, while avoiding treatment of the normal appearing prostate. This involves the placement of a radioactive material in the affected area of the prostate temporarily, where it remains for a short period of time, and then is subsequently removed using a minimally invasive technique called HDR Brachytherapy.
Read the detailed description
The goal of any radiation treatment plan is to achieve maximal disease response with minimal toxicity. HDR brachytherapy offers a promising definitive treatment option in the setting of Locally Recurrent Prostate Cancer after prior definitive radiation, based on the limited data described above, with achievement of biochemical disease control in a large percentage of patients with relatively low toxicity. With focal HDR brachytherapy, the investigators can treat the isolated areas of disease, while avoiding normal prostate tissue, with the goal of further improving toxicity rates. The investigators hypothesize that using single fraction, focal HDR brachytherapy performed with one single implant for the treatment of LRPC is feasible and without excess toxicity, and can be safely delivered. This should allow for better patient convenience and cost and improved treatment dosimetry and planning, as it will decrease the risk of catheter displacement between fractions, which will hopefully correlate to less GU and non-GU acute toxicity. The primary objective is to determine the acute and late GU and GI toxicity of single fraction focal HDR salvage brachytherapy (primary endpoint).
- Conditions
- Locally Recurrent Prostate Cancer
- Being tested
- HDR Brachytherapy
- Keywords
- Cancer, HDR Brachytherapy, Prostate Cancer
- Medical subject headings
- Neoplasms, Prostatic Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
HDR BrachytherapyRadiation
HDR Brachytherapy implant, deliver 1 to 2 fractions, Up to 30 Gray (Gy) to target lesion
| Study group | Role | What they receive |
|---|---|---|
| HDR Brachytherapy | Experimental | HDR Brachytherapy implant, Up to 30 Gray (Gy) to target lesion in one to two fractions. Receives: Radiation: HDR Brachytherapy |
What is being measured
The primary outcome is the main question the study is designed to answer.
Toxicity rate
The primary outcome in this study is the number of acute or chronic grade 3-5 toxicities as described by the Common Terminology Criteria for Adverse Events (CTCAE) version 4.03.
Measured: 24 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 Oct 2017
- Study start28 Aug 2017
- Primary completion31 Mar 2026 (estimated)
- Study completion31 Jul 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (17)Papers the sponsor has linked to this study.
- Other trials for Locally Recurrent Prostate CancerStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 50 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Loyola University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Abhishek A. Solanki, Loyola University
- Investigators
- Abhishek Solanki, MD, Principal investigator, Loyola University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03312972
- Sponsor's protocol ID
- 209557
- Acronym
- F-Sharp
- Status last verified
- Sep 2025
- First submitted
- 22 Sep 2017
- Last updated
- 24 Sep 2025
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
- Individual data sharing
- No: There is no plan to make individual participant data (IPD) available to other researchers
Publications
Parekh A, Graham PL, Nguyen PL. Cancer control and complications of salvage local therapy after failure of radiotherapy for prostate cancer: a systematic review. Semin Radiat Oncol. 2013 Jul;23(3):222-34. doi: 10.1016/j.semradonc.2013.01.006.
PubMed 23763889Shipley WU, Thames HD, Sandler HM, Hanks GE, Zietman AL, Perez CA, Kuban DA, Hancock SL, Smith CD. Radiation therapy for clinically localized prostate cancer: a multi-institutional pooled analysis. JAMA. 1999 May 5;281(17):1598-604. doi: 10.1001/jama.281.17.1598.
PubMed 10235152Zelefsky MJ, Kuban DA, Levy LB, Potters L, Beyer DC, Blasko JC, Moran BJ, Ciezki JP, Zietman AL, Pisansky TM, Elshaikh M, Horwitz EM. Multi-institutional analysis of long-term outcome for stages T1-T2 prostate cancer treated with permanent seed implantation. Int J Radiat Oncol Biol Phys. 2007 Feb 1;67(2):327-33. doi: 10.1016/j.ijrobp.2006.08.056. Epub 2006 Nov 2.
PubMed 17084558Zumsteg ZS, Spratt DE, Romesser PB, Pei X, Zhang Z, Kollmeier M, McBride S, Yamada Y, Zelefsky MJ. Anatomical Patterns of Recurrence Following Biochemical Relapse in the Dose Escalation Era of External Beam Radiotherapy for Prostate Cancer. J Urol. 2015 Dec;194(6):1624-30. doi: 10.1016/j.juro.2015.06.100. Epub 2015 Jul 10.
PubMed 26165583Ahmadi H, Daneshmand S. Androgen deprivation therapy for prostate cancer: long-term safety and patient outcomes. Patient Relat Outcome Meas. 2014 Jul 5;5:63-70. doi: 10.2147/PROM.S52788. eCollection 2014.
PubMed 25045284Wirth MP, Hakenberg OW, Froehner M. Antiandrogens in the treatment of prostate cancer. Eur Urol. 2007 Feb;51(2):306-13; discussion 314. doi: 10.1016/j.eururo.2006.08.043. Epub 2006 Sep 11.
PubMed 17007995Grado GL, Collins JM, Kriegshauser JS, Balch CS, Grado MM, Swanson GP, Larson TR, Wilkes MM, Navickis RJ. Salvage brachytherapy for localized prostate cancer after radiotherapy failure. Urology. 1999 Jan;53(1):2-10. doi: 10.1016/s0090-4295(98)00492-0.
PubMed 9886580Beyer DC. Permanent brachytherapy as salvage treatment for recurrent prostate cancer. Urology. 1999 Nov;54(5):880-3. doi: 10.1016/s0090-4295(99)00241-1.
PubMed 10565751Skowronek J. Low-dose-rate or high-dose-rate brachytherapy in treatment of prostate cancer - between options. J Contemp Brachytherapy. 2013 Mar;5(1):33-41. doi: 10.5114/jcb.2013.34342. Epub 2013 Mar 29.
PubMed 23634153Grills IS, Martinez AA, Hollander M, Huang R, Goldman K, Chen PY, Gustafson GS. High dose rate brachytherapy as prostate cancer monotherapy reduces toxicity compared to low dose rate palladium seeds. J Urol. 2004 Mar;171(3):1098-104. doi: 10.1097/01.ju.0000113299.34404.22.
PubMed 14767279Yamada Y, Kollmeier MA, Pei X, Kan CC, Cohen GN, Donat SM, Cox BW, Zelefsky MJ. A Phase II study of salvage high-dose-rate brachytherapy for the treatment of locally recurrent prostate cancer after definitive external beam radiotherapy. Brachytherapy. 2014 Mar-Apr;13(2):111-6. doi: 10.1016/j.brachy.2013.11.005. Epub 2013 Dec 25.
PubMed 24373762Chen CP, Weinberg V, Shinohara K, Roach M 3rd, Nash M, Gottschalk A, Chang AJ, Hsu IC. Salvage HDR brachytherapy for recurrent prostate cancer after previous definitive radiation therapy: 5-year outcomes. Int J Radiat Oncol Biol Phys. 2013 Jun 1;86(2):324-9. doi: 10.1016/j.ijrobp.2013.01.027. Epub 2013 Mar 6.
PubMed 23474112Peters M, Maenhout M, van der Voort van Zyp JR, Moerland MA, Moman MR, Steuten LM, van Deursen MJ, van Vulpen M. Focal salvage iodine-125 brachytherapy for prostate cancer recurrences after primary radiotherapy: a retrospective study regarding toxicity, biochemical outcome and quality of life. Radiother Oncol. 2014 Jul;112(1):77-82. doi: 10.1016/j.radonc.2014.06.013. Epub 2014 Jul 3.
PubMed 24998704Sasaki H, Kido M, Miki K, Kuruma H, Takahashi H, Aoki M, Egawa S. Salvage partial brachytherapy for prostate cancer recurrence after primary brachytherapy. Int J Urol. 2014 Jun;21(6):572-7. doi: 10.1111/iju.12373. Epub 2013 Dec 23.
PubMed 24372730Simon R. Optimal two-stage designs for phase II clinical trials. Control Clin Trials. 1989 Mar;10(1):1-10. doi: 10.1016/0197-2456(89)90015-9.
PubMed 2702835
Study at a glance
From the registry record, last updated by the sponsor on 24 Sep 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- F-SHARP: A Phase I/II Trial of Focal Salvage High-dose-rate BRachytherapy for Locally Recurrent Prostate Cancer in Patients Treated With Prior Radiotherapy
- ClinicalTrials.gov ID
- NCT03312972
- Acronym / sponsor ID
- F-Sharp / 209557
- Conditions
- Locally Recurrent Prostate Cancer
- Keywords
- Cancer, HDR Brachytherapy, Prostate Cancer
- Study type
- Interventional
- Recruitment status
- Active, not recruiting
- Enrolment
- 50 participants (estimated)
- Lead sponsor
- Loyola UniversityUniversity, hospital or other
- Study start
- 28 Aug 2017 (actual)
- Primary completion
- 31 Mar 2026 (estimated)
- Study completion
- 31 Jul 2026 (estimated)
- First posted
- 18 Oct 2017 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This purpose of this study is to evaluate the safety and effectiveness of a technique called focal high-dose-rate (HDR) brachytherapy as treatment for prostate cancer that has come back in the prostate after prior radiotherapy. The study will examine the safety and efficacy of the treatment. The type of radiation that participants in this research will receive is targeted directly at the areas of the prostate where recurrent disease is evident, while avoiding treatment of the normal appearing prostate. This involves the placement of a radioactive material in the affected area of the prostate temporarily, where it remains for a short period of time, and then is subsequently removed using a minimally invasive technique called HDR Brachytherapy.
Detailed description
The goal of any radiation treatment plan is to achieve maximal disease response with minimal toxicity. HDR brachytherapy offers a promising definitive treatment option in the setting of Locally Recurrent Prostate Cancer after prior definitive radiation, based on the limited data described above, with achievement of biochemical disease control in a large percentage of patients with relatively low toxicity. With focal HDR brachytherapy, the investigators can treat the isolated areas of disease, while avoiding normal prostate tissue, with the goal of further improving toxicity rates. The investigators hypothesize that using single fraction, focal HDR brachytherapy performed with one single implant for the treatment of LRPC is feasible and without excess toxicity, and can be safely delivered. This should allow for better patient convenience and cost and improved treatment dosimetry and planning, as it will decrease the risk of catheter displacement between fractions, which will hopefully correlate to less GU and non-GU acute toxicity. The primary objective is to determine the acute and late GU and GI toxicity of single fraction focal HDR salvage brachytherapy (primary endpoint).
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| HDR Brachytherapy | Experimental | Radiation: HDR BrachytherapyHDR Brachytherapy implant, Up to 30 Gray (Gy) to target lesion in one to two fractions. |
Who may qualify
- Ages
- 18 years and older
- Sex
- Male only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (24 listed)
- Biopsy proven locally recurrent adenocarcinoma of the prostate after the completion of definitive radiation therapy for initially diagnosed prostate cancer.
- Initial cancer diagnosis that fits these specific criteria:
- Eligible initial definitive radiotherapy modalities include:
- External beam radiotherapy, with photon or proton beam therapy
- Definitive Brachytherapy:
Key exclusion criteria (4 listed)
- Preregistration GI or GU toxicity (for any reason) grade ≥ 3 as defined in CTCAE version 4.03. That is, grade ≥ 3 GU or GI toxicity after first course of radiotherapy
- Patients receiving any other investigational agents.
- Uncontrolled inter-current illness including, but not limited to, ongoing or active infection, severely symptomatic congestive heart failure, cardiac arrhythmia, recent myocardial infarction in last 6 months, or psychiatric illness/social situations that could limit compliance with study requirements.
- Patients who have received chemotherapy or immunotherapy within one month prior to study enrollment, other than ADT
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| HDR BrachytherapyHDR Brachytherapy implant, deliver 1 to 2 fractions, Up to 30 Gray (Gy) to target lesion | Radiation | HDR Brachytherapy |
Primary outcome
Toxicity rate
Time frame: 24 months
The primary outcome in this study is the number of acute or chronic grade 3-5 toxicities as described by the Common Terminology Criteria for Adverse Events (CTCAE) version 4.03.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 24 Sep 2025.
- Background: PubMed 23763889Parekh A, Graham PL, Nguyen PL. Cancer control and complications of salvage local therapy after failure of radiotherapy for prostate cancer: a systematic review. Semin Radiat Oncol. 2013 Jul;23(3):222-34. doi: 10.1016/j.semradonc.2013.01.006.
- Background: PubMed 10235152Shipley WU, Thames HD, Sandler HM, Hanks GE, Zietman AL, Perez CA, Kuban DA, Hancock SL, Smith CD. Radiation therapy for clinically localized prostate cancer: a multi-institutional pooled analysis. JAMA. 1999 May 5;281(17):1598-604. doi: 10.1001/jama.281.17.1598.
- Background: PubMed 17084558Zelefsky MJ, Kuban DA, Levy LB, Potters L, Beyer DC, Blasko JC, Moran BJ, Ciezki JP, Zietman AL, Pisansky TM, Elshaikh M, Horwitz EM. Multi-institutional analysis of long-term outcome for stages T1-T2 prostate cancer treated with permanent seed implantation. Int J Radiat Oncol Biol Phys. 2007 Feb 1;67(2):327-33. doi: 10.1016/j.ijrobp.2006.08.056. Epub 2006 Nov 2.
- Background: PubMed 26165583Zumsteg ZS, Spratt DE, Romesser PB, Pei X, Zhang Z, Kollmeier M, McBride S, Yamada Y, Zelefsky MJ. Anatomical Patterns of Recurrence Following Biochemical Relapse in the Dose Escalation Era of External Beam Radiotherapy for Prostate Cancer. J Urol. 2015 Dec;194(6):1624-30. doi: 10.1016/j.juro.2015.06.100. Epub 2015 Jul 10.
- Background: PubMed 25045284Ahmadi H, Daneshmand S. Androgen deprivation therapy for prostate cancer: long-term safety and patient outcomes. Patient Relat Outcome Meas. 2014 Jul 5;5:63-70. doi: 10.2147/PROM.S52788. eCollection 2014.
- Background: PubMed 17007995Wirth MP, Hakenberg OW, Froehner M. Antiandrogens in the treatment of prostate cancer. Eur Urol. 2007 Feb;51(2):306-13; discussion 314. doi: 10.1016/j.eururo.2006.08.043. Epub 2006 Sep 11.
- Background: PubMed 9886580Grado GL, Collins JM, Kriegshauser JS, Balch CS, Grado MM, Swanson GP, Larson TR, Wilkes MM, Navickis RJ. Salvage brachytherapy for localized prostate cancer after radiotherapy failure. Urology. 1999 Jan;53(1):2-10. doi: 10.1016/s0090-4295(98)00492-0.
- Background: PubMed 10565751Beyer DC. Permanent brachytherapy as salvage treatment for recurrent prostate cancer. Urology. 1999 Nov;54(5):880-3. doi: 10.1016/s0090-4295(99)00241-1.
- Background: PubMed 23634153Skowronek J. Low-dose-rate or high-dose-rate brachytherapy in treatment of prostate cancer - between options. J Contemp Brachytherapy. 2013 Mar;5(1):33-41. doi: 10.5114/jcb.2013.34342. Epub 2013 Mar 29.
- Background: PubMed 14767279Grills IS, Martinez AA, Hollander M, Huang R, Goldman K, Chen PY, Gustafson GS. High dose rate brachytherapy as prostate cancer monotherapy reduces toxicity compared to low dose rate palladium seeds. J Urol. 2004 Mar;171(3):1098-104. doi: 10.1097/01.ju.0000113299.34404.22.
- Background: PubMed 24373762Yamada Y, Kollmeier MA, Pei X, Kan CC, Cohen GN, Donat SM, Cox BW, Zelefsky MJ. A Phase II study of salvage high-dose-rate brachytherapy for the treatment of locally recurrent prostate cancer after definitive external beam radiotherapy. Brachytherapy. 2014 Mar-Apr;13(2):111-6. doi: 10.1016/j.brachy.2013.11.005. Epub 2013 Dec 25.
- Background: PubMed 23474112Chen CP, Weinberg V, Shinohara K, Roach M 3rd, Nash M, Gottschalk A, Chang AJ, Hsu IC. Salvage HDR brachytherapy for recurrent prostate cancer after previous definitive radiation therapy: 5-year outcomes. Int J Radiat Oncol Biol Phys. 2013 Jun 1;86(2):324-9. doi: 10.1016/j.ijrobp.2013.01.027. Epub 2013 Mar 6.
- Individual participant dataSharing planned: No. There is no plan to make individual participant data (IPD) available to other researchers
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Abhishek Solanki, MD principal investigator
Loyola University
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing HDR Brachytherapy in people with Locally Recurrent Prostate Cancer, run by Loyola University at 2 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 24 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 24 Sep 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Toxicity rate (time frame: 24 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03312972, which also lists 17 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Sep 2025.