New knee shot aims to ease arthritis pain without surgery
NCT ID NCT06233474
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a new medicine called Allocetra for people with knee osteoarthritis. It is injected directly into the knee joint to see if it safely reduces pain and improves function. About 160 adults aged 45-80 with moderate knee arthritis will receive either Allocetra or a placebo. The goal is to measure pain relief and any side effects over 6 months.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 160 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2024
- Expected to finish
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May 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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45 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Age 45 - 80 years. 2. Chronic osteoarthritis of index knee with knee-related joint pain 3. Radiographic evidence of knee osteoarthritis of K-L Grade 2 or 3 in the index knee. 4. Knee pain assessed daily over a period of 7 days during the screening period and following wash-out of pain medications 5. Patients with chronic knee pain for at least 3 months who have failed to respond adequately to conventional therapy. 6. Willing to abstain from other intra-articular treatments and adhere to the protocol restrictions for concomitant medications and therapies during the study. 7. Women of childbearing potential and all men must agree to use 2 methods of an adequate contraception prior to study entry and for the duration of study participation through 4 weeks following IP administration. Exclusion Criteria: 1. Wheelchair bound. 2. Immunosuppressive therapy 3. Any known current or prior tumor of the index knee. 4. Any known history or current intra-articular or osseous infection of the index knee. 5. Any evidence of clinically significant active infection 6. Any known history of inflammatory arthropathy or crystal-deposition arthropathy 7. Any known severe systemic cartilage and/or bone disorder, such as, but not limited to, chondrodysplasia, osteogenesis imperfecta. 8. Body Mass Index (BMI) \>40. 9. Any major surgical cartilage treatment within 6 months 10. Any ligamentous repair or malalignment correction in the index knee within 6 months 11. Major injury to the index knee, such as torn ligament or severe sprain within 6 months 12. Clinically relevant knee instability of the index knee 13. Severe hip osteoarthritis ipsilateral to the index knee. 14. Clinically significant widespread pain syndromes, e.g., fibromyalgia, long COVID syndrome. 15. Known coagulopathy, or use of anticoagulation medication or antiaggregant medication;. 16. certain tumors, severe cardiac, respiratory or hematologic diseases as defined in the protocol
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Barzilai Medical Center
Ashkelon, 7830604, Israel
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Hasharon Medical Center
Petah Tikva, 4937211, Israel
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IMSP Institutul de Cardiologie
Chisinau, 2025, Moldova
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IMSP Sptalul Clinic Municipal "Sfanta Treime"
Chisinau, 2068, Moldova
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Ichilov - Tel Aviv Sourasky Medical Center
Tel Aviv, 6423906, Israel
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Kaplan Medical Center
Rehovot, 7661041, Israel
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Rambam Medical Center
Haifa, 7651211, Israel
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Sanos Clinic Herlev
Herlev, 2730, Denmark
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Sanos Clinic Nordjylland
Gandrup, 9362, Denmark
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Sanos Clinic Syddanmark
Vejle, 7100, Denmark
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Sheba Medical Center
Ramat Gan, 5266202, Israel
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Spitalul Clininc Republican "T. Mosneaga"
Chisinau, 2025, Moldova
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Other studies related to the condition(s) this trial covers.
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- Gel shot vs standard injection: which quiets arthritic knees?