# Comparison of the Efficacy and Safety of rhTSH as An Adjunctive Diagnostic Tool in Differentiated Thyroid Cancer Patients Who Had Been Thyroidectomized Vs. Patients Who After Thyroid Hormone Withdrawal

Source: https://onco.cc/trials/nct04971473/  
OnCo record `nct04971473` (Trial). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

A phase 3 trial of Thyrotropin alfa in Thyroid cancer, run by Suzhou Zelgen Biopharmaceuticals Co.,Ltd, completed.

## Summary

Comparison of the Efficacy and Safety of rhTSH as An Adjunctive Diagnostic Tool in Differentiated Thyroid Cancer Patients Who Had Been Thyroidectomized Vs. Patients Who After Thyroid Hormone Withdrawal is a phase 3 interventional study registered as NCT04971473 by Suzhou Zelgen Biopharmaceuticals Co.,Ltd, with 201 participants recorded, started 2021-09-10 and reaching its primary completion in 2023-07-05. Interventions recorded: rhTSH. Conditions recorded: Differentiated Thyroid Cancer.

Linked to the drug Thyrotropin alfa because the registry names it among its interventions and Thyroid cancer among its conditions. Registry record only: no result has been read by an editor.

## Fields

- Kind: Trial
- Status: completed
- Last checked: 2026-09-22
- Tags: pipeline; ctgov-ingest
- Registry id: NCT04971473
- Phase: 3
- Setting: An Open, Single-arm, Self-controlled, Multi-center Phase 3 Study to Compare the Efficacy and Safety of rhTSH as An Adjunctive Diagnostic Tool in Differentiated Thyroid Cancer Patients Who Had Been Thyroidectomized Vs. Patients Who After Thyroid Hormone Withdrawal
- Sponsor: Suzhou Zelgen Biopharmaceuticals Co.,Ltd
- Enrolled: 201

## Sources

- ClinicalTrials.gov NCT04971473: https://clinicaltrials.gov/study/NCT04971473

## Connected records

- cancers: [Thyroid cancer](https://onco.cc/cancers/thyroid/)
- drugs: [Thyrotropin alfa](https://onco.cc/drugs/thyrotropin-alfa/)
- companies: [Suzhou Zelgen Biopharmaceuticals](https://onco.cc/companies/zelgen/)

---
JSON: https://onco.cc/api/v1/entities/nct04971473.json