Vitamin c boosts radiation for sarcoma? early trial shows promise

NCT ID NCT03508726

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

Summary

This study tested whether giving high-dose vitamin C (ascorbate) alongside radiation therapy before surgery is safe and effective for people with advanced soft tissue sarcoma. 25 participants received vitamin C infusions three times a week during radiation. The goal was to see if the combination could kill more tumor cells and improve outcomes. Results are still being analyzed.

What this could mean

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

Active substance

high-dose vitamin C (ascorbate) given intravenously

What this could lead to

If it works, this could point toward a way to make radiation more effective for soft tissue sarcoma, potentially improving tumor shrinkage before surgery.

What could go wrong

This was a small, early-phase trial with only 25 participants, so results may not apply to everyone. High-dose vitamin C can cause side effects like kidney issues or electrolyte imbalances.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for SOFT TISSUE SARCOMA are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

sarcoma soft tissue sarcoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • University of Iowa Hospitals and Clinics

    Iowa City, Iowa, 52242, United States