Study to Evaluate the Safety and Efficacy of CNTX-4975 in Subjects With Chronic, Moderate to Severe Osteoarthritis Knee Pain
Public ClinicalTrials.gov record NCT02558439. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-Blind, Placebo-Controlled, Dose-Ranging 24-Week Study to Evaluate the Safety and Efficacy of a Single Injection of CNTX-4975 in Subjects With Chronic, Moderate to Severe Osteoarthritis Knee Pain
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the safety and efficacy of a single injection of CNTX-4975 in subjects with chronic, moderate to severe osteoarthritis knee pain.
Study identification
- NCT ID
- NCT02558439
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 175 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 45 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 31, 2015
- Primary completion
- Sep 30, 2016
- Completion
- Jan 31, 2017
- Last update posted
- Aug 7, 2017
2015 – 2017
United States locations
- U.S. sites
- 22
- U.S. states
- 9
- U.S. cities
- 21
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Achieve Clinical Research, LLC | Birmingham | Alabama | 35216 | — |
| Advanced Arizona Clinical Research | Tucson | Arizona | 85704 | — |
| Dream Team Clinical Research, LLC | Anaheim | California | 92801 | — |
| Hope Clinical Research, LLC | Canoga Park | California | 91303 | — |
| TriWest Research Associates | El Cajon | California | 92020 | — |
| BioSolutions Clinical Research Center | La Mesa | California | 91941 | — |
| Axis Clinical Trials | Los Angeles | California | 90036 | — |
| Avail Clinical Research, LLC | DeLand | Florida | 32720 | — |
| Finlay Research Clinic | Hialeah | Florida | 33012 | — |
| Eastern Research | Hialeah | Florida | 33013 | — |
| Sunrise Medical Research | Lauderdale Lakes | Florida | 33319 | — |
| M&M Medical Center, Inc | Miami | Florida | 85704 | — |
| Compass Research, LLC | Orlando | Florida | 32806 | — |
| Compass Research, LLC | The Villages | Florida | 32162 | — |
| Clinical Research Atlanta | Stockbridge | Georgia | 30281 | — |
| The Center for Pharmaceutical Research | Kansas City | Missouri | 64114 | — |
| Drug Trials America | Hartsdale | New York | 10530 | — |
| Manhattan Medical Research Practice | New York | New York | 10016 | — |
| Wake Research Associates, LLC | Raleigh | North Carolina | 27612 | — |
| University Orthopedics Center | Altoona | Pennsylvania | 16602 | — |
| Altoona Center for Clinical Research | Duncansville | Pennsylvania | 16635 | — |
| University Orthopedics Center | State College | Pennsylvania | 16801 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02558439, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 7, 2017 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02558439 live on ClinicalTrials.gov.