# A Pilot Study Assessing the Treatment Responsiveness of a Novel Osteoarthritis Stiffness Scale

> **NCT03570554** · PHASE2 · COMPLETED · sponsor: **Bayer** · enrollment: 41 (actual)

## Conditions studied

- Osteoarthritis, Knee

## Interventions

- **DRUG:** Naproxen Sodium (Aleve, BAY117031)
- **DRUG:** Acetaminophen ER
- **DRUG:** Celecoxib
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT03570554
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-06-29
- **Primary completion:** 2019-06-14
- **Final completion:** 2019-06-14
- **Target enrollment:** 41 (ACTUAL)
- **Last updated:** 2020-06-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03570554

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03570554, "A Pilot Study Assessing the Treatment Responsiveness of a Novel Osteoarthritis Stiffness Scale". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT03570554. Licensed CC0.

---

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