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NCT02783690 · ClinicalTrials.gov registry record · Phase 2

A Trial of 15 Fraction vs 25 Fraction Pencil Beam Scanning Proton Radiotherapy After Mastectomy in Patients Requiring Regional Nodal Irradiation

A Phase 2 study, sponsored by Mayo Clinic.

Completed
Registry status
Phase 2
Development phase
88
Enrollment target

NCT02783690: Completed Phase 2 study, sponsored by Mayo Clinic.

NCT02783690 is a Phase 2 study that has completed, run by Mayo Clinic. The registered enrollment target is 88 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (34% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

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The verdict

NCT02783690, a Phase 2 study, has completed, sponsored by Mayo Clinic.

COMPLETED
Registry status
Phase 2
Development phase
88 participants
Enrollment target

Study Summary

This is a randomized controlled trial to determine the safety of 15 fraction vs 25 fraction pencil beam scanning proton radiotherapy after mastectomy in patients requiring regional nodal irradiation. Proton therapy is recognized as a standard option for the delivery of radiotherapy for breast cancer.

Primary Outcome

Will be defined as the percentage of women randomized who develop one or more of the following events: grade 3 or higher late adverse events; unplanned surgical intervention (not including planned serial fat grafting) in patients who undergo mastectomy with reconstruction.

Interventions

  • RADIATION Hypofractionation

Trial Details

FieldValue
Enrollment Target 88 participants
Start Date 2016-05-18
Est. Completion 2023-11-18
Phase Phase 2
Mayo Clinic

2,844 total trials

What the finished NCT02783690 record still lists

NCT02783690 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 88 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (34% lower).

The record links to 0 conditions, and to 1 intervention - of which Hypofractionation is the first listed.

NCT02783690 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT02783690 about?

NCT02783690 is a clinical study titled "A Trial of 15 Fraction vs 25 Fraction Pencil Beam Scanning Proton Radiotherapy After Mastectomy in Patients Requiring Regional Nodal Irradiation". This is a randomized controlled trial to determine the safety of 15 fraction vs 25 fraction pencil beam scanning proton radiotherapy after mastectomy in patients requiring regional nodal irradiation. Proton therapy is recognized as a standard option for the delivery of radiotherapy for breast cancer...

What is the current status of trial NCT02783690?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 88 participants. The study started on 2016-05-18. Estimated completion is 2023-11-18.

What interventions are being tested in trial NCT02783690?

The interventions under investigation include: Hypofractionation (RADIATION).

Who is sponsoring clinical trial NCT02783690?

This trial is sponsored by Mayo Clinic, which has 2,844 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT02783690's enrollment target sits among peer trials

88 803rd of 2000 higher than 1,191 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 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 NCT02783690, the US trial registry maintained by the National Library of Medicine. NCT02783690 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.