Breast Cancer Trial, Recruiting NCT04371913 Sponsor: Weill Medical College of Cornell University Condition: Breast Cancer
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Breast Cancer Trial, Recruiting

NCT04371913
Recruiting Not Applicable

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People who have a single breast tumour in one breast only, with no spread to the skin
  • People whose tumour is small (less than 2–3 cm in size)
  • People whose breast cancer has been confirmed by a tissue sample (biopsy), either as an invasive cancer or a non-invasive (in situ) cancer
  • People whose surgery removed the tumour with clear edges (no cancer cells found at the borders of the removed tissue)
  • People who have between 0 and 3 affected lymph nodes under the arm, with no spread beyond the lymph node capsule
  • People with no cancer that has spread to other parts of the body at the time of joining
  • People aged 18 years or older
  • People whose cancer has come back at least 12 months after their original breast-conserving surgery and full breast radiation treatment
  • People who previously received whole breast radiation, or a more targeted form of radiation (such as intraoperative radiation, brachytherapy, or partial breast external beam radiation)
  • People whose case is considered technically suitable for the treatment being studied (confirm with trial site)
  • People who are receiving or have received any type of systemic treatment (such as chemotherapy or hormone therapy)
  • People who have signed a consent form agreeing to take part in the trial and for their information to be used for research

Who may not be able to join:

  • People whose cancer has come back in the lymph nodes under the arm or above the collarbone
  • People whose surgery left cancer cells at the edges of the removed tissue (positive margins)
  • People whose cancer has spread to other parts of the body (metastatic disease)
  • People whose breast appearance was significantly affected by their previous surgery and radiation treatment
  • People whose cancer has a large area of non-invasive (ductal) cancer spread throughout the tissue (known as extensive intraductal component)

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 16 July 2026
This study is not part of the standard drug-approval phase pathway (for example an observational, device, behavioural, or registry study), so a phase success rate does not apply.

Contact this trial

Principal Investigator: John Ng, M.D., Weill Medical College of Cornell University

Phone: 646-962-3110

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Not Applicable
Registry
ClinicalTrials.gov
Start date
30 June 2020
Est. completion
31 December 2030

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Rate of treatment related adverse events as graded by CTCAE version 5.0

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 16 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov