A cross-sectional, web-based survey of physicians in breast cancer treatment to reveal the underserved patient population who do not receive CDK4/6 inhibitor plus endocrine therapy and to identify the challenges of the disparity in Japan

A cross-sectional, web-based survey of physicians in breast cancer treatment to reveal the underserved patient population who do not receive CDK4/6 inhibitor plus endocrine therapy and to identify the challenges of the disparity in Japan - A cross-sectional, web-based survey of physicians in breast cancer treatment to reveal the underserved patient population who do not receive CDK4/6 inhibitor plus endocrine therapy and to identify the challenges of the disparity in Japan

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050760

Enrollment

300

Registered

2023-04-10

Start date

2022-11-15

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

HR+/HER2- advanced breast cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Physicians who treated at least three first-line patients with HR+/HER2- advanced breast cancer in the past year. 2. Physicians who agree to participate in this web-based survey. 3. Physicians who have answered all the web-based questions.

Exclusion criteria

Exclusion criteria: There are no exclusion criteria for this study.

Design outcomes

Primary

Measure	Time frame
Percentage share of each treatment option (e.g., CDK4/6 inhibitor plus endocrine therapy, hormone monotherapy, chemotherapy) as first-line treatment for patients with HR+/HER2- advanced breast cancer	—

Secondary

Measure	Time frame
Challenges to prescribe CDK4/6 inhibitor plus endocrine therapy	—

Countries

Japan

Contacts

Public ContactTakahiro Nakayama

Osaka International Cancer Institute Breast & Endocrine Surgery

taqnakayama@hotmail.com06-6945-1181

Outcome results