Skip to content

Phase 1 clinical trial to evaluate the safety and tolerability of E1K after single dose in patients with osteoarthritis

A Single-center, Dose Block-Randomized, Double-blinded, Placebo-controlled, Dose-escalation, Phase 1 clinical trial to evaluate the safety and tolerability of E1K after single dose

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
CRIS
Registry ID
KCT0004081
Enrollment
24
Registered
2019-06-20
Start date
2019-05-27
Completion date
Unknown
Last updated
2021-01-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Drug : This is a sequential, randomized, double-blind, placebo controlled, multiple dose, dose block study in subjects with OA knee pain (n=24
6/cohort). In each cohort, subjects will be randomized 4:2 to receive E1K or placebo in a single dose intra articular injection.

Sponsors

Ensol Biosciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Male patients or female patients, aged over 40 years as of the date of consent 2. Patients with osteoarthritis according to ACR criteria, having pain in the knee and osteophyte formation in the X-ray examination, and one or more criteria of the following: [ACR Clinical/Radiographic Classification Criteria] - Age over 50 - Morning stiffness for less than 30 minutes - Crepitus on knee motion 3. Kellgren and Lawrence Grade 2 or Grade 3 4. Pain conditions greater than or equal to 40 mm with 100 mm pain VAS during the target lesion activity at Visit 1 (Screening) and Visit 2 5. Single-sided osteoarthritis or both-sided osteoarthritis with target lesion to be designated according to the criteria below; If both knees comply with the selection/exception criteria, the target lesion shall be specified according to the following criteria. 1) Designate higher Kellgren & Lawrence grade side as target lesion. 2) Designate higher100mm pain VAS side as target lesion if the Kellgren & Lawrence grade is the same, 3) Designated as the side to induce clinical symptoms other than pain if the Kellgren & Lawrence grade and the 100mm pain VAS are the same. 4) Right knee is designated as target lesion if all the criteria 1) ~3) above are the same 6. Voluntarily agree in writing to participate in clinical trials

Exclusion criteria

Exclusion criteria: 1. Inflammatory joint disease such as rheumatoid arthritis, septic arthritis, etc. 2. Having conditions that can affect the joints (e.g., gout, recurrent caustic gout, joint fracture, protoplasmosis, pajette disease, Histopathia, Telomere, Hemochromatosis, Wilson's disease, Genetic disease (e.g., Hypermotorosis), collagen gene abnormality). 3. BMI greater than or equal to 30 kg/m2 during screening. 4. Patients who had target region surgery. 5. Before dosing investigational product, one or more of the following are applicable: - NSAIDs or glucosamine, chondroitin sulfate, administered within 14 days prior to dosing - Narcotic or non-narcotic pain medication administered within 1 day prior to dosing - Intra-articular injection of steroids into target region within 3 months prior to dosing - Intra-articular injection of hyaluronic acid, cell therapy, and gene therapy within 6 months prior to dosing 6. Clinically significant abnormal findings with screening tests (laboratory or ECG, vital signs). 7. Clinically severe cardiovascular system, digestive machinery, respiratory system, endocrine system, immune system, central nervous system, and mental illness. 8. HIV antibody test or hepatitis B antigen, hepatitis C antibody test positive. 9. History of drug or alcohol dependence within one year. 10. Those who are likely to conceive during a clinical trial but do not agree to contraception, pregnant, nursing, plan to get pregnant. 11. For male subjects, those who do not agree to ban sperm donation up to 12 weeks with dosing. 12. Participated in other clinical trials within 30 days prior to screening. 13. Any condition that investigator finds it unsuitable to participate in a clinical trial.

Design outcomes

Primary

MeasureTime frame
Investigate safety and tolerability up to 4wks with single knee intra-articular injection of E1K

Secondary

MeasureTime frame
Assessment of MTD (Maximum Tolerated Dose);Assessment of osteoarthritis symptom before and after dosing. 1) 100 mm pain VAS. 2) IKDC subjective knee evaluation.;The rate and dosage of rescue medication during the entire test period

Countries

Korea, Republic of

Contacts

Public ContactMyung Chul Lee

Seoul National University Hospital

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026