# Epidemiology of Osteoarthritis (OA) Pain

> **NCT01557231** · — · COMPLETED · sponsor: **Northwestern University** · enrollment: 86 (actual)

## Conditions studied

- Osteoarthritis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01557231
- **Lead sponsor:** Northwestern University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-03
- **Primary completion:** 2015-09
- **Final completion:** 2015-09
- **Target enrollment:** 86 (ACTUAL)
- **Last updated:** 2018-03-29

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01557231

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01557231, "Epidemiology of Osteoarthritis (OA) Pain". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT01557231. Licensed CC0.

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