# Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.

> **NCT04778865** · NA · UNKNOWN · sponsor: **Universidad de Valparaiso** · enrollment: 50 (estimated)

## Conditions studied

- Hashimoto Disease
- Treatment Levothyroxine
- Vitamin D Deficiency

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D-correction
- **DIETARY_SUPPLEMENT:** Vitamin D-RDA

## Key facts

- **NCT ID:** NCT04778865
- **Lead sponsor:** Universidad de Valparaiso
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-11-20
- **Primary completion:** 2021-12
- **Final completion:** 2021-12
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2021-03-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04778865

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04778865, "Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04778865. Licensed CC0.

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