Status:

RECRUITING

Reduction of Gastrointestinal Toxicity in Prostate Cancer by Proton Spot Placement

Lead Sponsor:

Thompson Cancer Survival Center

Conditions:

Prostate Cancer

Prostate Adenocarcinoma

Eligibility:

MALE

18+ years

Phase:

NA

Brief Summary

This purpose of this study is to examine the placement of proton spots during pencil beam scanning proton therapy for low and intermediate risk prostate cancer. The researchers will test a unique tech...

Detailed Description

Patients will be randomized into two groups of spot placement. In the experimental arm, "Spot Delete" will be used to prohibit proton spots from being placed in the rectum, sigmoid, and small bowel. I...

Eligibility Criteria

Inclusion

  • Pathological proven diagnosis of prostatic adenocarcinoma
  • History and physical exam to establish clinical staging
  • Clinical stage T1-T2c (AJCC 7th edition)
  • Prostate specific antigen (PSA) \< 20 ng/mL
  • Gleason Score ≤ 7
  • Eastern Cooperative Oncology Group (ECOG) Performance status 0-1
  • Patients must be 18 years of age or older
  • Willingness and ability to complete the International Prostate Symptom Score (IPSS) survey and Expanded Prostate Cancer Index Composite (EPIC) questionnaire

Exclusion

  • Prior radiotherapy to the pelvic area
  • Prior prostate cancer therapy: cryotherapy or hyperthermia
  • Prior systemic therapy (chemotherapy) for prostate cancer
  • Regional lymph nodes (common iliac, external iliac, internal iliac, presacral) are a target of treatment
  • Active diverticulitis, ulcerative colitis, or Crohn's disease

Key Trial Info

Start Date :

December 15 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

January 2 2040

Estimated Enrollment :

500 Patients enrolled

Trial Details

Trial ID

NCT06200259

Start Date

December 15 2025

End Date

January 2 2040

Last Update

December 18 2025

Active Locations (1)

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1

Thompson Proton Center

Knoxville, Tennessee, United States, 37909