Status:

COMPLETED

A Prospective Study of Hypothyroidism After Radiotherapy for Breast Cancer

Lead Sponsor:

Chinese Academy of Medical Sciences

Conditions:

Breast Neoplasms

Hypothyroidism

Eligibility:

FEMALE

18-70 years

Brief Summary

This study is to prospectively investigate the incidence of hypothyroidism after postoperative radiotherapy and identify risk factors for development of hypothyroidism. Patients with breast cancer tre...

Detailed Description

Breast cancer patients treated with radiotherapy after surgery are prospectively enrolled. Thyroid function is evaluated mainly by the measurement of thyroid-stimulating hormone (TSH), free triiodo-th...

Eligibility Criteria

Inclusion

  • Breast cancer patients at first diagnosis, patients who are treated with radiotherapy after breast conserving surgery or modified radical mastectomy, no medical history of hyperthyroidism, hypothyroidism or thyroiditis, have never taken thyroxine, no thyroid surgery.

Exclusion

  • Absence or ectopic thyroid gland, previous radiotherapy of the neck, diseases of thalamus or pituitary, previous radiotherapy of thalamus or pituitary

Key Trial Info

Start Date :

November 15 2017

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

February 24 2020

Estimated Enrollment :

729 Patients enrolled

Trial Details

Trial ID

NCT04528225

Start Date

November 15 2017

End Date

February 24 2020

Last Update

August 27 2020

Active Locations (1)

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Cancer Hospital, Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China, 100021