# IoN- Is Ablative Radio-iodine Necessary for Low Risk Differentiated Thyroid Cancer Patients

> **NCT01398085** · PHASE2,PHASE3 · ACTIVE_NOT_RECRUITING · sponsor: **University College, London** · enrollment: 504 (actual)

## Conditions studied

- Thyroid Cancer
- Thyroid Neoplasms

## Interventions

- **RADIATION:** I131 1.1 GBq
- **OTHER:** No Radioactive iodine (No-RAI) ablation

## Key facts

- **NCT ID:** NCT01398085
- **Lead sponsor:** University College, London
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2012-06-26
- **Primary completion:** 2031-03
- **Final completion:** 2031-03
- **Target enrollment:** 504 (ACTUAL)
- **Last updated:** 2026-05-07

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01398085

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01398085, "IoN- Is Ablative Radio-iodine Necessary for Low Risk Differentiated Thyroid Cancer Patients". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT01398085. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*