# Clinical Study on the Effect of Selenium Yeast Capsule on Prognosis of Differentiated Thyroid Carcinoma

> **NCT04683575** · PHASE4 · UNKNOWN · sponsor: **Qianfoshan Hospital** · enrollment: 5000 (estimated)

## Conditions studied

- Selenium Deficiency
- Thyroid Cancer TNM Staging
- Recurrence
- Metastasis

## Interventions

- **DRUG:** Selenium Yeast
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04683575
- **Lead sponsor:** Qianfoshan Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-05-30
- **Primary completion:** 2025-12
- **Final completion:** 2025-12
- **Target enrollment:** 5000 (ESTIMATED)
- **Last updated:** 2022-03-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04683575

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04683575, "Clinical Study on the Effect of Selenium Yeast Capsule on Prognosis of Differentiated Thyroid Carcinoma". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04683575. Licensed CC0.

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