# Genetic Determinants of Ankylosing Spondylitis Severity - Longitudinal Study

> **NCT00056719** · — · COMPLETED · sponsor: **National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)** · enrollment: 299 (actual)

## Conditions studied

- Ankylosing Spondylitis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00056719
- **Lead sponsor:** National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2003-06-19
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** 299 (ACTUAL)
- **Last updated:** 2025-12-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00056719

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00056719, "Genetic Determinants of Ankylosing Spondylitis Severity - Longitudinal Study". Retrieved via AI Analytics 2026-06-10 from https://api.ai-analytics.org/clinical/NCT00056719. Licensed CC0.

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