# Natural History and Risk Factors of TAO

> **NCT03515863** · — · UNKNOWN · sponsor: **Sun Yat-sen University** · enrollment: 400 (estimated)

## Conditions studied

- Thyroid Associated Ophthalmopathy

## Interventions

- **GENETIC:** DNA extraction and genetic characterization
- **DEVICE:** Orbit MRI examination
- **OTHER:** Collection of life style data

## Key facts

- **NCT ID:** NCT03515863
- **Lead sponsor:** Sun Yat-sen University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-05-15
- **Primary completion:** 2021-05-09
- **Final completion:** 2022-05-09
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2019-09-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03515863

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03515863, "Natural History and Risk Factors of TAO". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03515863. Licensed CC0.

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