Evaluating ANT-301 for knee osteoarthritis treatment

Phase I Clinical Study to Evaluate Safety and Efficacy of ANT-301 in Knee Osteoarthritis Patients

Phase 1 Interventional Anterogen Co., Ltd. · NCT06539429

This study is testing a new treatment called ANT-301 to see if it can help people with severe knee osteoarthritis feel less pain and improve their knee function.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment6 (estimated)
Ages19 Years to 70 Years
SexAll
SponsorAnterogen Co., Ltd. Industry-sponsored
Drugs / interventionsradiation
Locations1 site (Seoul)
Trial IDNCT06539429 on ClinicalTrials.gov

What this trial studies

This phase I open-label study aims to assess the efficacy and safety of ANT-301 in patients suffering from knee osteoarthritis classified as K/L Grade III/IV. The study will be conducted as a single-center, dose-escalation trial, allowing researchers to monitor the effects of varying doses of ANT-301 on pain and function in the knee. Participants will be closely observed for any adverse effects and overall improvements in their condition. The study is designed to gather preliminary data that could inform larger trials in the future.

Who should consider this trial

Good fit: Ideal candidates are adults aged 19 to 70 with K/L grade III/IV knee osteoarthritis and a pain score of 40mm or higher.

Not a fit: Patients with other joint diseases, recent knee surgeries, or those who have received certain therapies may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce pain and improve mobility for patients with advanced knee osteoarthritis.

How similar studies have performed: While this approach is novel, similar studies targeting knee osteoarthritis have shown promise in evaluating new treatments.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patients who have been provided with information about the clinical trial and have provided written consent on the informed consent form
2. Patients aged 19 to 70 years old.
3. Patients diagnosed with K\&L grade III/IV knee osteoarthritis
4. Patients with a VAS pain score of 40mm or higher when measured on a 100-point scale

Exclusion Criteria:

1. Patients with joint diseases other than osteoarthritis
2. Patients who have undergone knee joint surgery or radiation therapy to the knee joint within 6 months prior to the screening
3. Patients who received intra-articular injections within 6 months prior to the screening
4. Patients who have received systemic steroid therapy within 3 months prior to the screening
5. Patients who have received immunosuppressive agents within 3 months prior to the screening
6. Patients who have received cell therapy or gene therapy to the target knee within 5 years prior to the screening
7. Patients who are unwilling to use contraception during the clinical trial period

Where this trial is running

Seoul

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Osteoarthritis, Knee
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.