Survey of prevalence of hypothyroidism among breast cancer patients treated with radiation to supraclavicular field

Survey of prevalence of hypothyroidism among breast cancer patients treated with radiation to supraclavicular field - Survey of RIHT among breast cancer patients

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000022526

Enrollment

Registered

2016-06-01

Start date

2016-06-15

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

Breast cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Patients with histologically confirmed breast cancer. 2)Patients who received radiation therapy to unilateral supraclavicular field between April 2007 and May 2016. 3)Patients who agreed to take blood sample. 4)Written informed consent, with the understanding that the patient may withdraw consent at any time without prejudice.

Exclusion criteria

Exclusion criteria: 1)Patients who received radiation therapy to bilateral supraclavicular field. 2)Patients with thyroid disease before receiving radiation therapy. 3)Patients considered to be inappropriate for the study participation, as judged by the primary physician.

Design outcomes

Primary

Measure	Time frame
proportion of hypothyroidism	—

Countries

Japan

Contacts

Public ContactYuichiro Kikawa

Kobe Medical Center General Hospital Department of Breast Surgery

u-1ro@kcho.jp0783024321

Outcome results