Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

A Clinical Study to Test Efficacy and Safety of Repeat Doses of CNTX-4975-05 in Patients With Osteoarthritis Knee Pain

ClinicalTrials.gov ID: NCT03660943

Public ClinicalTrials.gov record NCT03660943. 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.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 8:49 PM EDT

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, 2-Injection, 52-Week Study to Evaluate the Efficacy and Safety of Intra-articular Injections of CNTX-4975-05 in Subjects With Chronic, Moderate-to-severe Osteoarthritis Knee Pain

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a randomized, double-blind, placebo-controlled, 2-injection, 52-week study to evaluate the efficacy and safety of intra-articular injections of CNTX-4975-05 in subjects with chronic, moderate-to-severe osteoarthritis knee pain.

Study identification

NCT ID
NCT03660943
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Centrexion Therapeutics
Industry
Enrollment
332 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
40 Years to 95 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
Sep 9, 2018 (Actual)
Primary completion
Jun 11, 2020 (Actual)
Completion
Jun 11, 2020 (Actual)
Last update posted
Jul 21, 2022

2018 – 2020

United States locations

U.S. sites
30
U.S. states
17
U.S. cities
26
Facility City State ZIP Site status
Holland Center for Family Health Glendale Arizona 85306 —
GB Family Care Phoenix Arizona 85037 —
Arizona Research Center Phoenix Arizona 85053 —
Med Center Medical Clinic Carmichael California 95608 —
TriWest Research Associates El Cajon California 92020 —
Arthritis Care and Research Center, Inc. (ACRC Studies) Poway California 92064 —
Chase Medical Research, LLC Waterbury Connecticut 06708 —
Panamerican Health Center, Inc. Miami Florida 33126 —
Well Pharma Medical Research, Corp Miami Florida 33143 —
Quality Research & Medical Center LLC Miami Florida 33186 —
San Marcus Research Clinic, Inc. Miami Lakes Florida 33014 —
Journey Research, Inc. Oldsmar Florida 34677 —
M&M Clinical Trials Sunrise Sunrise Florida 33351 —
Conquest Research Winter Park Florida 32789 —
Better Health Clinical Research, Inc. Newnan Georgia 30265 —
Healthcare Research Network, LLC Flossmoor Illinois 60422 —
Affinity Clinical Research Institute Oak Brook Illinois 60523 —
DelRicht Research New Orleans Louisiana 70115 —
The Center for Rheumatology and Bone Research Wheaton Maryland 20902 —
BTC of New Bedford, LLC New Bedford Massachusetts 02740 —
Healthcare Research Network Hazelwood Missouri 63042 —
Office of Robert P. Kaplan, DO Las Vegas Nevada 89119 —
Drug Trials America Hartsdale New York 10530 —
Lillestol Research LLC Fargo North Dakota 58104 —
Coastal Carolina Research Center at Arcis Healthcare, LLC dba Lowcountry Orthopaedics & Sports Medicine North Charleston South Carolina 29406 —
Heartland Medical, PC New Tazewell Tennessee 37825 —
First Surgical Hospital Bellaire Texas 77401 —
Clinical Trials of Texas, Inc San Antonio Texas 78229 —
DCT-Stone Oak, LLC dba Discovery Clinical Trials San Antonio Texas 78258 —
Spectrum Medical, Inc. Danville Virginia 24541 —

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 NCT03660943, 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 Jul 21, 2022 · Synced Oct 20, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03660943 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →