Clinical trials
Arthroplasty, Replacement, Knee clinical trials
Below are recruiting arthroplasty, replacement, knee clinical trials, each written for real people, not researchers. We’re tracking 95 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07485803RecruitingPhase 4
Methadone for pain after knee replacement
This study tests whether methadone, a type of pain medicine, helps control pain better after knee replacement surgery. It is for people who have not used narcotics recently and are otherwise healthy.
Denver, ColoradoAges 21–75 - NCT07577869Recruiting
Nerve blocks for pain relief after knee replacement
This trial tests two types of numbing injections (nerve blocks) around the knee to help manage pain after total knee replacement surgery. The goal is to see if these injections reduce pain and improve recovery compared to standard pain treatment.
Kayseri, KocasinanAges 18–80 - NCT07362589Enrolling by invitation
Does pain education before knee or hip replacement help?
This study tests whether a special education session before knee or hip replacement surgery can help reduce anxiety, pain, and the need for pain medicine after surgery. If you are scheduled for joint replacement and can take part in a short learning session, you may be eligible.
Istanbul, KayişdağiAges 18 years+ - NCT05616884Enrolling by invitation
Cemented vs cementless partial knee replacement study
This study compares two ways of fixing a partial knee replacement: cemented or cementless. It may help doctors learn which method works better for patients with certain types of knee bone.
Alexandria, VirginiaAges 18–85 - NCT07539467Enrolling by invitation
Nerve Block and Tourniquet for Knee Surgery Pain Relief
This trial tests whether a nerve block (numbing injection near the thigh) combined with a tourniquet (pressure cuff) after knee replacement surgery reduces pain better than standard care. If it works, it could help patients recover more comfortably with less need for strong pain medications.
AnkaraAges 40–85 - NCT06856356Recruiting
Robot-assisted knee replacement surgery study
This study tests if robot-assisted total knee replacement surgery is safe and effective. It may help people who need knee replacement surgery by using advanced technology for more precise implant placement.
Hefei, AnhuiAges 18–80 - NCT05314491Recruiting
Follow-up study after knee replacement with a specific implant
This study follows people after they get a total knee replacement using the Multigen Plus system, sometimes with special cone pieces. It looks at how well the implant performs over time and whether results meet expectations.
GuimarãesAges 18 years+ - NCT07127042RecruitingPhase 2
Testing a drug to reduce bleeding during knee replacement
This trial tests an experimental drug called BT-114143 to see if it reduces bleeding during and after total knee replacement surgery. It may be a good option for people with osteoarthritis who are having their first knee replacement.
Chengdu, Si'ChuanAges 18–70 - NCT04814082Recruiting
Compare two knee implant types for walking and function
This study compares two designs of knee replacement implants to see how they affect walking, function, and outcomes after surgery. You may be randomly assigned to one of the implant types used for your specific, approved knee replacement.
Baltimore, MarylandAges 18–75 - NCT06687109Recruiting
Joint replacement surgery registry study
This study collects information from people having joint replacement surgery to track how they do over time and improve care.
Spokane, WashingtonAges 18 years+ - NCT07080892Recruiting
Comparing two ways to give a knee nerve block for pain after knee replacement
This study compares two different ways of giving a nerve block (called iPACK) to see which works better for pain after total knee replacement. The goal is to find the best spot for the injection to help you feel more comfortable after surgery.
BratislavaAges 18–80 - NCT06969222Recruiting
Robotic knee replacement study with a special implant
This study tests a robot-assisted knee replacement using a new type of implant designed to move more like a natural knee. It may help people with arthritis or other knee joint problems who need a total knee replacement.
Larissa, ThessalyAges 18–95 - NCT07456787Recruiting
Cold therapy after knee replacement surgery
This trial tests a cold therapy approach (cryopressotherapy) to improve recovery after total knee replacement. It may help reduce pain and swelling so you can move better sooner.
Milan, ItalyAges 18–80 - NCT04728542Recruiting
Observational study comparing two osteoporosis treatment approaches
This is an observational study, meaning researchers watch what happens in real life rather than assigning a treatment by chance. It compares outcomes between people using ORIGIN® and VANGUARD® PS, to better understand how these approaches perform.
MainzAges 18 years+ - NCT07069179Recruiting
Choose to Move replacement study for older adults
This study tests a program called Choose to Move Replacement Ready (CTM-RR) designed for older adults. It looks at how well activity coaches and healthcare referral partners can help people get active.
Vancouver, British ColumbiaAges 50 years+ - NCT05792189Recruiting
Knee fracture surgery: plates vs knee replacement for older adults
This trial compares two ways to treat certain lower-thigh (distal femur) fractures near the knee: using plates/screws or doing a knee replacement. It aims to see which option works better for recovery and long-term outcomes.
Gainesville, FloridaAges 55–100 - NCT07199738Recruiting
Knee replacement study with a new implant option
This study tests a specific knee implant insert (LEGION Medial Stabilized) in people who need a total knee replacement due to arthritis or similar joint disease. It aims to see if the device is safe and works well over time.
Newton, MassachusettsAges 18–80 - NCT06670651Enrolling by invitation
Study of a new total knee replacement system
This trial is testing a new knee replacement system called LinkSymphoKnee. It is for people needing a first-time total knee replacement to help reduce pain and improve function.
Birmingham, AlabamaAges 18–79 - NCT05653102Recruiting
Collecting data on a knee replacement system after surgery
This study collects real-world health and surgery records to better understand how the Truliant total knee replacement performs. It may help doctors and patients by improving future guidance on this knee system’s safety and effectiveness.
Aurora, ColoradoAges 18 years+ - NCT06182059Recruiting
Pain after knee replacement study
This study looks at long-term pain after total knee replacement surgery. It may help understand why some people have persistent pain and find ways to prevent it.
Monza, Monza BrianzaAges 18–85 - NCT07120191Recruiting
My Connect Post-Op study for joint replacement patients
This trial tests a smartphone tool to help communicate with your care team after knee or hip replacement surgery. It aims to improve your recovery experience.
Wichita, KansasAges 22–80 - NCT05823727Recruiting
Collagen supplement study before and after knee replacement
This study tests whether taking collagen peptides can improve how knee tissues heal and remodel after total knee arthroplasty (knee replacement). It also looks at functional recovery and wound healing, especially during the physical therapy period in Little Rock.
Little Rock, ArkansasAges 50–75 - NCT04247672Recruiting
Study of knee replacement outcomes using a specific knee implant
This study follows people who need knee replacement for “end-stage” knee osteoarthritis and will receive a specific knee implant system as part of routine care. It aims to measure how well the knee replacement works for patients over time, which may help improve future care.
Hoofddorp, North HollandAges 21–90 - NCT04230616Recruiting
Testing a knee device to ease osteoarthritis pain
This study tests how well and how safely a knee treatment works for adults with painful knee osteoarthritis seen on X-ray. You might join if you need meaningful pain relief and help with daily function, and can complete required scans and study instructions.
Sint-Truiden, LimburgAges 18 years+
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Common questions
- Are there clinical trials for arthroplasty, replacement, knee?
- Yes. Clin2 currently lists 95 recruiting arthroplasty, replacement, knee studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a arthroplasty, replacement, knee trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a arthroplasty, replacement, knee trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.