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NCT04648904 · ClinicalTrials.gov registry record · Early Phase 1

Study of a Shortened Radiation Therapy Schedule in People With Breast Cancer

A Early Phase 1 study of Invasive Breast Cancer and Post-mastectomy, sponsored by Memorial Sloan Kettering Cancer Center.

Active
Registry status
Early Phase 1
Development phase
71
Enrollment target
1
Study location

NCT04648904: Active Early Phase 1 study of Invasive Breast Cancer and Post-mastectomy, sponsored by Memorial Sloan Kettering Cancer Center.

NCT04648904 is a Early Phase 1 study of Invasive Breast Cancer and Post-mastectomy that is active but no longer recruiting, run by Memorial Sloan Kettering Cancer Center. The registered enrollment target is 71 participants, below the 129-participant average among 19 other Invasive Breast Cancer trials with a reported enrollment target (45% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04648904, a Early Phase 1 study of Invasive Breast Cancer and Post-mastectomy, is active but no longer recruiting, sponsored by Memorial Sloan Kettering Cancer Center.

ACTIVE NOT RECRUITING
Registry status
Early Phase 1
Development phase
71 participants
Enrollment target
1
Study location

Study Summary

The purpose of this study is to see whether providing radiation on a shortened (compressed) schedule of 5 days in a row is a safe and effective approach to prevent cancer from coming back in people who have had a mastectomy.

Primary Outcome

Local recurrence is defined as histologic evidence of ductal carcinoma in situ or invasive breast cancer in the ipsilateral reconstructed breast or chest wall.

Interventions

  • RADIATION Radiotherapy

Study Locations (1)

New York

  • Memorial Sloan Kettering Cancer Center (All Protocol Activities) - New York

Trial Details

FieldValue
Enrollment Target 71 participants
Start Date 2020-11-24
Est. Completion 2026-11
Phase Early Phase 1
Memorial Sloan Kettering Cancer Center

1,884 total trials

What the registry record for NCT04648904 still lists

NCT04648904 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 71 participants, a relatively small participant target, below the 129-participant average among 19 other Invasive Breast Cancer trials with a reported enrollment target (45% lower).

The record links to 2 conditions, with Invasive Breast Cancer appearing as the primary indexed condition, and to 1 intervention - of which Radiotherapy is the first listed.

NCT04648904 reports a single indexed study location in New York.

Frequently Asked Questions

What is clinical trial NCT04648904 about?

NCT04648904 is a clinical study titled "Study of a Shortened Radiation Therapy Schedule in People With Breast Cancer". The purpose of this study is to see whether providing radiation on a shortened (compressed) schedule of 5 days in a row is a safe and effective approach to prevent cancer from coming back in people who have had a mastectomy.

What is the current status of trial NCT04648904?

This trial is currently active not recruiting. It is a Early Phase 1 study. The enrollment target is 71 participants. The study started on 2020-11-24. Estimated completion is 2026-11.

What conditions does trial NCT04648904 study?

This clinical trial studies the following conditions: Invasive Breast Cancer, Post-mastectomy.

What interventions are being tested in trial NCT04648904?

The interventions under investigation include: Radiotherapy (RADIATION).

Who is sponsoring clinical trial NCT04648904?

This trial is sponsored by Memorial Sloan Kettering Cancer Center, which has 1,884 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04648904 being conducted?

This trial has 1 study location across New York. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Invasive Breast Cancer

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04648904's enrollment target sits among peer trials

71 11th of 19 higher than 9 of 19 other Invasive Breast Cancer trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Invasive Breast Cancer trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04648904, the US trial registry maintained by the National Library of Medicine. NCT04648904 (small enrollment · single site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.