# Osteoarthritis Initiative (OAI): A Knee Health Study

> **NCT00080171** · — · COMPLETED · sponsor: **National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)** · enrollment: 4796 (actual)

## Conditions studied

- Osteoarthritis
- Knee Osteoarthritis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00080171
- **Lead sponsor:** National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2004-02
- **Primary completion:** 2015-10
- **Final completion:** 2015-10
- **Target enrollment:** 4796 (ACTUAL)
- **Last updated:** 2020-09-29

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00080171

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00080171, "Osteoarthritis Initiative (OAI): A Knee Health Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00080171. Licensed CC0.

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