# Studies of the Natural History, Pathogenesis, and Outcome of Idiopathic Systemic Vasculitis

> **NCT02257866** · — · RECRUITING · sponsor: **National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)** · enrollment: 4000 (estimated)

## Conditions studied

- Takayasu's Arteritis
- Giant Cell Arteritis
- Polyarteritis Nodosa
- Relapsing Polychondritis
- ANCA-Associated Vasculitis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT02257866
- **Lead sponsor:** National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2014-09-29
- **Primary completion:** 2050-01-01
- **Final completion:** 2050-01-01
- **Target enrollment:** 4000 (ESTIMATED)
- **Last updated:** 2026-03-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02257866

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02257866, "Studies of the Natural History, Pathogenesis, and Outcome of Idiopathic Systemic Vasculitis". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT02257866. Licensed CC0.

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