One-and-Done radiation before lumpectomy? new trial tests feasibility

NCT ID NCT04234386

First seen Feb 20, 2026 · Last updated Jun 19, 2026 · Updated 16 times

Summary

This study is testing a single, focused dose of radiation delivered by the GammaPod machine before lumpectomy surgery for early-stage breast cancer. The goal is to find a safe and effective dose that minimizes side effects and improves cosmetic outcomes. About 50 women with invasive ductal carcinoma will participate, receiving radiation at one of four dose levels before their tumor is removed.

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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.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Baltimore Washington Medical Center

    RECRUITING

    Glen Burnie, Maryland, 21061, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Central Maryland Oncology Center

    RECRUITING

    Columbia, Maryland, 21044, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • UMMC

    RECRUITING

    Baltimore, Maryland, 21201, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Upper Chesapeake Health

    RECRUITING

    Bel Air, Maryland, 21014, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

What this could mean

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

Active substance

GammaPod radiation

What this could lead to

If successful, this could offer a shorter, more comfortable radiation treatment before surgery for early-stage breast cancer.

What could go wrong

This is an early-phase dose-finding study with only 50 participants, so results may not apply to all patients. Risks include infection or poor wound healing.

Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm invasive ductal breast carcinoma

As listed by the trial registrant

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