# High Dose vs Low Dose I 131 +/- rhTSH for Differentiated Thyroid Cancer

> **NCT00415233** · PHASE3 · UNKNOWN · sponsor: **University College, London** · enrollment: 438 (actual)

## Conditions studied

- Head and Neck Cancer

## Interventions

- **BIOLOGICAL:** recombinant thyroid-stimulating hormone
- **RADIATION:** Radiodine ablation without rhTSH

## Key facts

- **NCT ID:** NCT00415233
- **Lead sponsor:** University College, London
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2006-11
- **Primary completion:** 2011-06
- **Final completion:** 2025-07
- **Target enrollment:** 438 (ACTUAL)
- **Last updated:** 2023-12-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00415233

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00415233, "High Dose vs Low Dose I 131 +/- rhTSH for Differentiated Thyroid Cancer". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT00415233. Licensed CC0.

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