Clinical trials
Knee Arthroplasty clinical trials
Below are recruiting knee arthroplasty clinical trials, each written for real people, not researchers. We’re tracking 228 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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+ - NCT06123715RecruitingPhase 2
Vitamin C to reduce pain after knee replacement
This study tests whether taking vitamin C before and after knee replacement surgery can reduce long-term pain. You may be eligible if you are having knee replacement for osteoarthritis and are generally healthy.
Toronto, OntarioAges 18 years+ - NCT06383936Recruiting
Knee replacement for active sports lovers
This study tests a new knee replacement designed for active people ages 40 to 65 who used to play sports but had to stop due to knee pain. It aims to see if the implant helps you return to your favorite activities.
BolognaAges 40–65 - NCT06618820Enrolling by invitationPhase 3
Extended tranexamic acid after knee replacement
This trial tests whether taking tranexamic acid (a medicine that helps blood clot) for several days after knee replacement surgery reduces bleeding and improves recovery. It may help patients who have a standard knee replacement and are not on blood thinners.
Germantown, TennesseeAges 18 years+ - NCT07348614RecruitingPhase 4
Knee manipulation: best numbing method for less pain
This study tests different numbing techniques to see which works best for pain during a knee manipulation procedure. It may help you have less pain and a smoother recovery.
Durham, North CarolinaAges 18–75 - NCT06946368Recruiting
Exparel for pain after knee replacement
This study tests if a long-lasting numbing medicine called Exparel, given by the surgeon during knee replacement, helps control pain after surgery. It is for people having their first total knee replacement on one knee due to arthritis.
Cleveland, OhioAges Any age - NCT06040827Recruiting
Study of a knee implant extension for knee replacement
This trial is for adults having their first knee replacement surgery. It tests a special part (tibial extension) of a common knee implant system. Researchers will follow participants over time to see how well it works.
Fayetteville, ArkansasAges 18 years+ - NCT06627673Recruiting
A new knee implant study for severe arthritis
This study compares a new plastic-and-metal knee implant to a standard metal one for people with severe knee arthritis. If you need a total knee replacement and your knee is not too bent or twisted, you may be a candidate.
Leawood, KansasAges 18 years+ - NCT06643845Recruiting
Can medical treatments delay or avoid knee replacement?
This trial tests whether a combination of non-surgical treatments can help people with knee osteoarthritis avoid or delay total knee replacement surgery. It may be an option if you are considering knee replacement but want to explore medical alternatives first.
AmiensAges 18–90 - 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+ - NCT07367789Recruiting
Predicting recovery after knee replacement using smart insoles
This study uses special insoles to measure how you walk before and after a knee replacement. The goal is to see if these measurements can help predict how well you will recover after surgery.
Yongin-si, Gyeonggi-doAges 19 years+ - 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 - NCT07597538Recruiting
How Hip Replacement Changes Knee Position and Function
This study examines whether getting a hip replacement changes how your knee aligns and functions. Researchers will compare knee imaging before and after your surgery to understand this connection.
Asyut, Asyut GovernorateAges Any age - NCT07533188Recruiting
Robotic Knee Replacement Surgery Alignment Techniques Study
This study compares two different ways surgeons can align and position a robotic knee replacement to see which gives better results. You'll be randomly assigned to one approach and tracked over time to measure pain, function, and satisfaction.
SingaporeAges 18 years+ - NCT06623149Enrolling by invitation
Surgery vs. non-surgery for knee arthritis
This study compares non-surgical treatments with knee replacement surgery for people with knee osteoarthritis. It aims to find out which approach works better.
Copenhagen, CopenhagenAges Any age - NCT05516381Recruiting
Navigation-assisted knee replacement with two alignment methods
This study tests a computer-guided technique for total knee replacement and compares two ways of aligning the new joint. It may help improve how accurately the surgery is done, which could affect comfort and function afterward.
BarcelonaAges 18 years+ - NCT07130552Recruiting
Comparing two pain relief methods after knee replacement
This study tests two different nerve-block techniques to see which provides better pain control after total knee replacement surgery. The goal is to help you recover more comfortably.
KaramanAges 18–85 - NCT07350252RecruitingPhase 4
Nerve blocks with local pain relief for knee replacement
This study tests if adding a nerve block to standard local pain relief medicine helps control pain better after knee replacement surgery. It may lead to less pain and faster recovery.
TrelleborgAges 18 years+ - NCT07371390Recruiting
Minimal sedation for knee replacement surgery
This trial tests whether less sedation during knee replacement surgery can improve recovery. It may help you if you are having your first total knee replacement and can have spinal anesthesia.
Rochester, MinnesotaAges 18 years+ - NCT07124494Recruiting
Anesthesia type and recovery after knee replacement
This study compares two types of anesthesia for total knee replacement to see which helps with pain, movement, and satisfaction after surgery. If you are scheduled for a knee replacement and are willing to have a spinal or epidural anesthesia, you may be able to join.
Konya, MeramAges 18 years+ - NCT07219888Enrolling by invitationPhase 4
Comparing suzetrigine and oxycodone for knee replacement pain
This study compares a new pain medicine called suzetrigine with a commonly used opioid, oxycodone, for pain after a knee replacement. The goal is to see which works better and has fewer side effects.
Louisville, KentuckyAges 21–89 - NCT06619340Enrolling by invitationPhase 4
Exparrel block for knee replacement pain relief
This trial tests a special numbing injection called an EXPAREL IPSA block to see how well it controls pain after knee replacement surgery. It is for people with knee arthritis who are having their first knee replacement under spinal anesthesia.
Germantown, TennesseeAges 18 years+ - NCT06955481Recruiting
Navigated knee replacement study for better outcomes
This study tests a computer-guided system for total knee replacement. It aims to see if using the OrthoPilot® navigation system helps improve surgical precision and long-term results.
ŠumperkAges 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
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Common questions
- Are there clinical trials for knee arthroplasty?
- Yes. Clin2 currently lists 228 recruiting knee arthroplasty 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 knee arthroplasty 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 knee arthroplasty 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.