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Clinical Trial Summary

The goal of this observational study is to determine the role of TSI, as well as clinical signs and thyroid function tests in predicting Graves' disease (GD) relapse after withdrawing anti thyroid drug (ATD). The main questions it aims to answer are: 1. To investigate the serum TSI concentration in patients with GD undergoing maintenance-dose ATD. 2. To determine an optimal cut-off of TSI level for predicting GD relapse. 3. To determine the role of TSI in predicting Graves' disease relapse after withdrawing ATD.


Clinical Trial Description

Retrospective follow-up study of patients with hyperthyroidism due to Graves' disease, treated at the endocrine outpatient clinic of Medic Medical Center, Ho Chi Minh City from January 2000 to April 2021. TSI was measured several times during the course of treatment when planning to stop medication (at the discretion of the attending physician). ATD withdrawal would be planned when patients achieved euthyroid status clinically with normal FT4 tests for at least 3 months with minimal dose of ATD. The decision was also based on TSI concentration, goiter's characteristics and parenchymal vascularity on Doppler ultrasound. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05713097
Study type Observational
Source University of Medicine and Pharmacy at Ho Chi Minh City
Contact
Status Completed
Phase
Start date January 2, 2022
Completion date August 31, 2022

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