Skip to content

Proton Boost in Prostate Cancer

Assessing the Effectiveness of Photon Therapy With a Proton Therapy Boost in the Treatment of Prostate Cancer as Compared to Photon Therapy Alone

Status
Active, not recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03564275
Enrollment
10
Registered
2018-06-20
Start date
2018-04-16
Completion date
2033-04-30
Last updated
2025-05-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cancer of the Prostate

Keywords

Radiation Therapy, Proton Therapy

Brief summary

This study uses photon radiation with a proton boost to treat prostate cancer. The purpose of this study is to determine if proton therapy as a boost following photon intensity modulated radiation therapy (IMRT) produces decreased toxicity as compared to conventional photon IMRT alone in the treatment of prostate cancer. Our secondary objective is to determine the effectiveness of this treatment regimen. Effectiveness will be determined by length of time to progression or recurrence of disease and overall survival. Patients on this study will be treated with a course of photon radiation therapy followed by a boost course of proton radiation.

Interventions

RADIATIONProton Boost

13-15 treatments with proton therapy given as a boost to standard of care photon therapy

Sponsors

University of Cincinnati
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Matched pair analysis. Each prospective patient will be matched with two historical patients based on the inclusion, exclusion and match criteria.

Eligibility

Sex/Gender
MALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* ≥18 years of age * Diagnosis of low risk prostate cancer (T1c-T2a, Gleason 6, Prostate Specific Antigen (PSA) \<10) -OR- * Diagnosis of intermediate risk prostate cancer (T1c-T2c, Gleason 7 and/or PSA 10- 20) * Life expectancy \>10 yrs * Physically and mentally capable of signing the consent form of their own volition

Exclusion criteria

* \< 18 years of age * Diagnosis of high risk prostate cancer (T3 or higher, Gleason \>7 and/or PSA \>20) * Current or historical use of androgen deprivation therapy * Nodal positivity * Previous cancer excluding non-melanoma skin cancer * History of prostatectomy * History of brachytherapy for prostate cancer * Life expectancy \<10 yrs * Physically or mentally incapable of signing the consent form of their own volition

Design outcomes

Primary

MeasureTime frameDescription
Erectile Dysfunction - Change from baselinePost therapy - 1, 3, 6, 9, 12, 18, 24, 30, 36, 42, 48, 54, 60 months, 6,7,8,9,10 yearsCommon Terminology Criteria for Adverse Events - Erectile Dysfunction Scale - 1(least severe) - 3 (most severe)
International Prostate Symptom Score - Change from baselinePost therapy - 1, 3, 6, 9, 12, 18, 24, 30, 36, 42, 48, 54, 60 months, 6,7,8,9,10 yearsRecords patient reported urinary symptoms - Scale 1-35 - 1-7 Mild symptoms, 8-19 Moderate symptoms, 20-35 Severe symptoms
Rectal Bleeding - Change from baselinePost therapy - 1, 3, 6, 9, 12, 18, 24, 30, 36, 42, 48, 54, 60 months, 6,7,8,9,10 yearsCommon Terminology Criteria for Adverse Events - Rectal Hemorrhage Scale - 1(least severe) - 5 (most severe)
Hematuria - Change from baselinePost therapy - 1, 3, 6, 9, 12, 18, 24, 30, 36, 42, 48, 54, 60 months, 6,7,8,9,10 yearsCommon Terminology Criteria for Adverse Events - Hematuria Scale - 1(least severe) - 5 (most severe)
Urinary Incontinence - Change from baselinePost therapy - 1, 3, 6, 9, 12, 18, 24, 30, 36, 42, 48, 54, 60 months, 6,7,8,9,10 yearsCommon Terminology Criteria for Adverse Events - Urinary Incontinence Scale - 1(least severe) - 3 (most severe)
Dysuria - Change from baselinePost therapy - 1, 3, 6, 9, 12, 18, 24, 30, 36, 42, 48, 54, 60 months, 6,7,8,9,10 yearsPresence or Absence

Secondary

MeasureTime frameDescription
Overall SurvivalMonitored for 10 years after completion of radiation therapyMeasured by time to cancer-related death
Progression Free SurvivalMonitored for 10 years after completion of radiation therapyMeasured by time to cancer recurrence

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026