# HKT-500-US12 In Adult Patients With OA Knee Pain

> **NCT00647231** · PHASE2 · COMPLETED · sponsor: **Hisamitsu Pharmaceutical Co., Inc.** · enrollment: 300 (actual)

## Conditions studied

- Osteoarthritis, Knee

## Interventions

- **DRUG:** HKT-500 Topical Patch
- **OTHER:** Placebo Patch

## Key facts

- **NCT ID:** NCT00647231
- **Lead sponsor:** Hisamitsu Pharmaceutical Co., Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-03
- **Primary completion:** 2008-08
- **Final completion:** 2008-08
- **Target enrollment:** 300 (ACTUAL)
- **Last updated:** 2015-06-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00647231

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00647231, "HKT-500-US12 In Adult Patients With OA Knee Pain". Retrieved via AI Analytics 2026-07-08 from https://api.ai-analytics.org/clinical/NCT00647231. Licensed CC0.

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