# Selenium Supplementation Versus Placebo in Patients With Graves' Hyperthyroidism

> **NCT01611896** · NA · COMPLETED · sponsor: **Rigshospitalet, Denmark** · enrollment: 431 (actual)

## Conditions studied

- Graves' Hyperthyroidism

## Interventions

- **DIETARY_SUPPLEMENT:** Selenium
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT01611896
- **Lead sponsor:** Rigshospitalet, Denmark
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-10
- **Primary completion:** 2021-06
- **Final completion:** 2024-08
- **Target enrollment:** 431 (ACTUAL)
- **Last updated:** 2025-02-13

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01611896

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01611896, "Selenium Supplementation Versus Placebo in Patients With Graves' Hyperthyroidism". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01611896. Licensed CC0.

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