Database Study on Chemotherapy Regimens for Breast Cancer, Use Patterns of G-CSF Preparations, and Development of Febrile Neutropenia

Database Study on Chemotherapy Regimens for Breast Cancer, Use Patterns of G-CSF Preparations, and Development of Febrile Neutropenia - Database Study on Chemotherapy Regimens for Breast Cancer, Use Patterns of G-CSF Preparations, and Development of Febrile Neutropenia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000046199

Enrollment

410000

Registered

2021-11-26

Start date

2021-11-19

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: (1) Patients diagnosed with breast cancer during the data period from January 2010 to April 2020 (2)From January 2010 to April 2020, patients who have undergone breast cancer surgery in the same month or later than the month of the initial diagnosis of breast cancer

Exclusion criteria

Exclusion criteria: (1) Patients < 18 years of age (2) Male patients (3) Patients who have been diagnosed with cancer other than breast cancer within 1 year prior to the initial diagnosis of breast cancer (4) Patients who have received chemotherapy or radiotherapy within 1 year prior to the initial diagnosis of breast cancer (5) Patients who have received no chemotherapy regimen

Design outcomes

Primary

Measure	Time frame
Use patterns of chemotherapy regimens, use patterns of G-CSF preparations, development of FN, and hospitalization rate for FN	—

Countries

Japan

Contacts

Public ContactTomoyuki Nukada

Kyowa Kirin Co., Ltd. Medical Affairs

ma.oncology@kyowa-kirin.co.jp03-5205-7200

Outcome results