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New study tests which treatment is best for pelvic bone cancers

NCT ID NCT05033288

Recruiting now Disease control Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares three treatments for pelvic sarcomas (cancers in the pelvic bone): carbon ion therapy, surgery (often with radiation), and proton therapy alone. Researchers want to see which approach gives patients better quality of life and controls the cancer best. About 72 people aged 15 and older with newly diagnosed pelvic sarcomas that haven't spread will take part. The goal is to find out if carbon ion therapy offers advantages over the other options.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
carbon ion therapy, surgery, proton therapy
What this could lead to
If carbon ion therapy works better, it could offer a less invasive treatment option with fewer side effects for people with pelvic sarcomas.
What could go wrong
This is a relatively small study (72 people) comparing treatments that are already in use, so it may not lead to a major breakthrough. Results depend on which treatment each patient receives, and side effects from radiation or surgery are still possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

bone cancer bone osteosarcoma bone sarcoma chondrosarcoma chordoma Ewing sarcoma of bone rhabdomyosarcoma soft tissue sarcoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BONE SARCOMA CHONDROSARCOMA CHORDOMA EWING SARCOMA OF BONE PELVIC RHABDOMYOSARCOMA

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Mayo Clinic in Arizona

    RECRUITING

    Scottsdale, Arizona, 85259, United States

    Contact Email: •••••@•••••

  • Mayo Clinic in Florida

    RECRUITING

    Jacksonville, Florida, 32224-9980, United States

    Contact Email: •••••@•••••

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

    Contact Email: •••••@•••••

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