Questionnaire exploring patients' enthusiasm for ultrahypofractionated postoperative radiation therapy following breast conservation surgery

Questionnaire exploring patients' enthusiasm for ultrahypofractionated postoperative radiation therapy following breast conservation surgery - QUATTRO study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000049536

Enrollment

200

Registered

2022-12-01

Start date

2022-11-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

breast cancer

Interventions

None listed

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Breast cancer patients undergoing postoperative radiation therapy with mild hypofractionation or standard fractionation regimen following breast conservation surgery

Exclusion criteria

Exclusion criteria: Patients undergoing accelerated partial breast radiation therapy, ultrahypofractionated regimen, or regional nodal irradiation

Design outcomes

Primary

Measure	Time frame
Patient's needs for ultrahypofractionated radiotherapy following breast conservation surgery.	—

Countries

Japan

Contacts

Public Contactharuka uezono

Hyogo Cancer Center Department of Radiation Oncology

haru770911@yahoo.co.jp0789291151

Outcome results