Carbon ion therapy with imaging guidance for prostate cancer

Functional Image-Guided Carbon Ion Irradiation With Simultaneous Integrated Boost for Prostate Cancer: a Phase II Randomized Controlled Clinical Trial

Phase 2 Interventional Shanghai Proton and Heavy Ion Center · NCT05010343

This study is testing if a new type of radiation therapy using carbon ions can effectively treat localized prostate cancer while keeping side effects low.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment140 (estimated)
Ages45 Years to 85 Years
SexMale
SponsorShanghai Proton and Heavy Ion Center Academic / other
Drugs / interventionsradiation
Locations1 site (Shanghai)
Trial IDNCT05010343 on ClinicalTrials.gov

What this trial studies

This phase II clinical trial evaluates the effectiveness and safety of carbon ion irradiation combined with simultaneous integrated boost for localized prostate cancer. The approach utilizes advanced imaging techniques, including PSMA PET/CT and multi-parameter MRI, to precisely target the primary tumor site. By focusing treatment on the tumor while minimizing exposure to surrounding healthy tissue, the study aims to improve biochemical disease-free survival without increasing toxicity. Participants will be monitored for treatment-related side effects and clinical outcomes.

Who should consider this trial

Good fit: Ideal candidates are men aged 45 to 85 with localized prostate cancer who have not undergone previous pelvic radiation or prostatectomy.

Not a fit: Patients with metastatic prostate cancer or those who have had prior pelvic radiation therapy will not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly improve survival rates and reduce side effects for patients with localized prostate cancer.

How similar studies have performed: Other studies using carbon ion therapy have shown promising results, suggesting potential for success in this novel application.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Pathologically confirmed adenocarcinoma of prostate
* Stage cT1-3N0M0 localized prostate cancer
* performed PSMA PET/CT and mpMRI before treatment
* No lymph nodes or distant metastasis
* Age ≥ 45 and \< 85 years of age
* Karnofsky Performance Score ≥70
* No previous pelvic radiation therapy (RT)
* No previous prostatectomy
* No previous invasive cancer (within 5 years before the prostate cancer diagnosis)
* Ability to understand character and individual consequences of the clinical trial
* Willing to sign the written informed consent; Informed consent must be signed before the enrollment in the trial

Exclusion Criteria:

* No pathologically confirmed adenocarcinoma of the prostate
* Pelvic lymph node metastasis (N1)
* Distant metastasis (M1)
* Previous pelvic radiotherapy
* Previous prostatectomy

Where this trial is running

Shanghai

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Localized Prostate Cancercarbon ion irradiationSimultaneous Integrated BoostPSMA PET/CTmpMRI
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.