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Active, not recruiting Phase 3 Interventional

A Study to Determine the Safety and Efficacy of TG-C in Subjects With Kellgren and Lawrence Grade 2 or 3 OA of the Knee

ClinicalTrials.gov ID: NCT03203330

Public ClinicalTrials.gov record NCT03203330. 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 25, 2026, 9:50 AM 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, Multi-Center, Phase 3 Study to Determine the Efficacy of TG-C in Subjects With Kellgren and Lawrence Grade (KLG) 2 or 3 Osteoarthritis of the Knee

Brief summary

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

A randomized, double-blind, placebo-controlled, multi-center, phase 3 study to determine the safety and efficacy of TG-C in subjects with Kellgren and Lawrence Grade 2 or 3 Osteoarthritis of the Knee, Osteoarthritis Research Society International (OARSI) medial joint space narrowing (JSN) Grade 1 or 2 of the knee joint. TG-C is to be administered by a single intra-articular injection to the damaged joint area via ultrasound guidance. Patients will be followed for 24 months for safety and efficacy.

Study identification

NCT ID
NCT03203330
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Kolon TissueGene, Inc.
Industry
Enrollment
535 participants

Conditions and interventions

Interventions

Biological

Eligibility (public fields only)

Age range
40 Years and older
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
Oct 30, 2018 (Actual)
Primary completion
Jul 10, 2024 (Actual)
Completion
Aug 18, 2026 (Estimated)
Last update posted
Aug 20, 2026

2018 – 2026

United States locations

U.S. sites
44
U.S. states
19
U.S. cities
40
Facility City State ZIP Site status
Jeffrey Davis Birmingham Alabama 35205 —
Bradly Goodman Birmingham Alabama 35235 —
Saima Chohan Phoenix Arizona 85032 —
Nebojsa Skrepnik Tucson Arizona 85712 —
Diraj Karnani Apple Valley California 92307 —
Dan La Covina California 91722 —
Scott Hacker La Mesa California 91942 —
Eric Grigsby Napa California 94558 —
Arthur Mabaquiao San Diego California 92108 —
Timothy Davis Santa Monica California 90403 —
Tien-I Su Whittier California 90602 —
Mehul Desai Washington D.C. District of Columbia 20006 —
David Billmeier Daytona Beach Florida 32117 —
Mercedes Ponce De Leon Miami Florida 33135 —
Aurelio Torres-Consuegra Miami Florida 33144 —
Edgar Gonzalez Miami Florida 33144 —
Cathy Barnes New Port Richey Florida 34652 —
Howard Chipman Oldsmar Florida 34677 —
Richard Linn Sunrise Florida 33351 —
Anand Patel Winter Park Florida 32789 —
Sandeep Vaid Newnan Georgia 30265 —
Dennis Levinson Chicago Illinois 60607 —
Manish Jain Chicago Illinois 60640 —
Hythem Shadid Oak Brook Illinois 60523 —
Adil Fatakia Marrero Louisiana 70072 —
James Nace Baltimore Maryland 21215 —
Melvin Churchill Lincoln Nebraska 68516 —
Jason Oh New York New York 10075 —
Brett Gilbert Durham North Carolina 27704 —
Jeremy Hoff Wilmington North Carolina 28412 —
Yogesh Mittal Tulsa Oklahoma 74104 —
Alan Kivitz Duncansville Pennsylvania 16635 —
Edward Tavel Columbia South Carolina 29206 —
Eric Loudermilk Greenville South Carolina 29601 —
Harvey Bowles Nashville Tennessee 37203 —
Daneshvari Solanki Bellaire Texas 77401 —
Amr Morsy Dallas Texas 75240 —
Haresh Boghara DeSoto Texas 75115 —
Aldo Maspons El Paso Texas 79225 —
Subodh Bhuchar Houston Texas 77099 —
Brian MacGillivray San Antonio Texas 78258 —
John Hemmersmeier South Ogden Utah 84405 —
Kristen Holtz Charlottesville Virginia 22901 —
Mark Hermann 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 NCT03203330, 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 20, 2026 · Synced Oct 25, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03203330 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →