Condition
Total Knee Arthroplasty clinical trials and research
As of November 12, 2026, Find a Trial lists 51 Total Knee Arthroplasty clinical trials that are recruiting, at sites in 21 countries (most in United States (16), Turkey (Türkiye) (9), France (4)). 1 was first registered in the last 30 days. By phase: Phase 4 (6), Phase 2 (2), Phase 3 (1), Phase 1/2 (1). The most active sponsors are NYU Langone Health (2), Medacta International SA (2), Rush University Medical Center (2). There are also 17 NIH-funded research projects on Total Knee Arthroplasty, with $20.8 million in listed awards. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 51Clinical trials
- 17NIH research projects
- 1New in 30 days
- 21Countries
Newest Total Knee Arthroplasty clinical trials
All recruiting trials (51)
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Mind mapping-based education to help after knee replacement
A group of adults having total knee replacement will receive mind-mapping education in addition to standard care to see if it helps with pain, fear of movement, and readiness to leave the hospital.
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DoACs vs LMWH for blood flow after knee replacement
This study tests whether rivaroxaban, apixaban, or LMWH work differently to support blood flow in the legs after total knee replacement in adults.
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Branched chain amino acids after knee replacement to help muscle
This trial tests whether giving Livact after knee replacement helps preserve muscle and function in adults with sarcopenia.
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Cryotherapy to Cut Opioid Use After Knee Replacement
This trial tests whether compressive cryotherapy with a Game Ready device can lower opioid use and improve recovery after total knee replacement in adults 60–80.
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Early cognitive changes after same-day hip or knee replacement
This study tests whether older adults (65 or older, 70 per description) who have same-day discharge after hip or knee replacement show changes in cognitive test performance from before surgery to the first day after surgery.
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Preoperative Genicular Nerve Block for Knee Replacement
This study tests whether giving a genicular nerve block before knee replacement can reduce pain after surgery and lower opioid use.
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BiFeS and adductor canal block for pain after knee replacement
This study tests whether adding a BiFeS block and adductor canal block to spinal anesthesia reduces opioid use and improves pain control after total knee arthroplasty.
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ACB plus IPACK versus ACB plus BiFeS blocks for pain control after total knee replacement
This trial will test whether adding an IPACK or a BiFeS block to an adductor canal block gives better pain relief for adults (18–80) having primary total knee replacement under spinal anesthesia.
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AI-assisted anatomical visualization to reduce anxiety and fear of movement before knee replacement
This trial tests whether AI-enhanced visualization training helps people 55+ with knee osteoarthritis see and understand their knee replacement better and fear less about moving after surgery.
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Comparing femoral triangle and adductor canal nerve blocks for early quadriceps function after knee replacement
This test compares two nerve blocks — femoral triangle block and adductor canal block — to see which causes less early quadriceps weakness in adults having a single knee replacement.
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72-hour knee extension brace after total knee replacement
This will try wearing a knee extension brace for the first 72 hours after a primary knee replacement to see if it reduces early pain and improves recovery.
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One preoperative dose of IV methadone for pain after knee replacement
This study tests whether a single IV methadone dose given before total knee replacement can improve postoperative pain control and reduce later pain medicine use for patients undergoing the surgery.
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Local infiltration analgesia vs quadruple nerve blocks for total knee replacement
This study tests whether a surgical local infiltration analgesia approach can provide similar pain relief to quadruple nerve blocks after total knee arthroplasty.
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Oral vs IV Dexamethasone in Knee Replacement Recovery
This real-world study compares how giving dexamethasone by mouth or by IV around knee replacement affects early pain, movement, and recovery.
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Binaural beats to reduce pain and anxiety after hip or knee replacement
This will try a 30-minute binaural beats audio session in the PACU to see if it lowers pain and anxiety for adults having same-day total hip or knee replacement.
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Noise-cancelling headsets to reduce sedation during knee replacement
This study will test whether giving people having total knee replacement active noise-cancelling headphones with music or a movie during spinal anesthesia can reduce how much sedation they need.
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Predicting recovery after knee replacement using smart insoles and AI
This study will test whether preoperative clinical information and walking data from instrumented insoles can help predict recovery six weeks after total knee replacement for adults with knee osteoarthritis.
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Optimizing preoperative nutrition and fasting for total knee replacement
This trial will test whether an ERAS-based preoperative nutrition education and fasting plan helps people having elective total knee replacement stay better hydrated and have less nausea and vomiting after surgery.
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Methylene blue dye to measure how much irrigation clears contamination during knee replacement procedures
We will test whether putting methylene blue dye into the knee during replacement or DAIR procedures can show how much irrigation is needed to wash out contaminants.
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Vancomycin given into the joint, into bone, or by IV during total knee replacement
This trial will test whether a single dose of vancomycin injected into the knee joint before a primary total knee replacement protects against infection as well as vancomycin given into bone or by IV for adults treated at UC San Diego.
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Adding targeted posterior knee nerve blocks to the adductor canal block for pain control after total knee replacement
This trial will test whether adding one of three different posterior knee nerve blocks to a standard adductor canal block reduces pain and opioid use for adults having a single total knee replacement.
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BT-114143 to reduce bleeding during total knee replacement
This trial will test whether two doses of BT-114143 given before and after surgery reduce blood loss in adults having a single total knee replacement compared with standard tranexamic acid.
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Regional anesthesia for knee replacement: effects on early joint motion and patient satisfaction
We will test whether three different regional anesthesia approaches — an epidural catheter, an adductor canal catheter, or multimodal IV pain control — help adults having elective knee replacement move their knee better and feel more satisfied after surgery.
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Comparing two regional anesthesia techniques for knee replacement
This trial tests whether ultrasound-guided supra-inguinal fascia iliaca block or ultrasound-guided adductor canal block (with iPACK as part of the regimen) gives better pain control and less opioid use for adults having total knee replacement.
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Choose to Move Replacement Ready for people waiting for hip or knee replacement
This project will test whether the Choose to Move Replacement Ready program helps older adults on hip or knee replacement waitlists increase physical activity, improve mobility, and support psychosocial health.
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Comparing cold-therapy programs after total knee replacement
We'll test different cold-therapy methods—ice packs versus ice water, and continuous versus intermittent cooling—to see which reduces pain and improves comfort after total knee replacement.
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Brain-computer visualization training to improve muscle activation after orthopedic surgery
This tests whether adding EEG-based neurofeedback visualization to usual physical therapy helps adults recovering from ACL, hip, or knee surgery activate their muscles better and speed recovery.
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Cryoablation to reduce pain after total knee replacement
This trial tests whether adding cryoablation during total knee replacement helps people have less pain and need fewer opioid pain medicines.
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Smart knee implants and patient satisfaction after knee replacement
This study will see if smart knee implants that send recovery data can help people recover, stay satisfied, and reduce clinic visits after knee replacement.
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Using virtual reality to enhance outcomes in knee surgery
This study is testing if using virtual reality during knee surgery can help patients feel less anxious and in less pain while needing less sedation.
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Using electrical stimulation to improve recovery after knee surgery
This study is testing if using electrical stimulation can help people recover better and get stronger after knee surgery compared to regular rehab.
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Comparing two types of tourniquets during knee surgery
This study is testing which of two types of tourniquets used during knee surgery can help reduce blood loss and improve the overall experience for both patients and surgeons.
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Surgeon-administered Exparel for pain control during total knee replacement
This study will test whether a surgeon‑administered Exparel IPSA block with local infiltration provides similar or better pain relief than an anesthesiologist‑administered adductor canal block for adults having a primary unilateral total knee replacement.
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Robotic Mako cementless versus cemented total knee replacement
This study will test whether robotic Mako cementless or cemented knee replacements work better for adults having a primary total knee replacement for osteoarthritis.
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Quadruple block plus adductor canal block for knee surgery pain
This study tests whether adding a quadruple nerve block to the standard adductor canal block reduces pain after total knee replacement.
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Combining two methods for pain relief after knee surgery
This study is testing if using a combination of a nerve block and a medication can help people feel less pain after knee surgery.
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Comparing two knee replacement techniques for better outcomes
This study is testing two different knee replacement techniques to see which one helps people with knee osteoarthritis feel better and move more easily after surgery.
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Different doses of liposomal bupivacaine for adductor canal block after total knee replacement
This will test whether different doses of liposomal bupivacaine given in the adductor canal block reduce pain and opioid use after elective total knee replacement in adults.
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Comparing two methods of antibiotic delivery during knee surgery
This study is testing whether giving antibiotics directly into the bone during knee surgery works better than the usual method of giving them through an IV to help reduce complications after surgery.
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Teleprehabilitation program for knee replacement surgery
This study is testing a new online program to help people getting knee replacement surgery prepare better and recover faster compared to regular pre-surgery advice.
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Comparing pain relief from two medications after knee surgery
This study tests whether mirogabalin or pregabalin works better to relieve pain after knee surgery for people aged 50-85 with osteoarthritis.
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Evaluation of the FHK®-CK Knee Prosthesis for Knee Replacement
This study is testing a new knee replacement device to see if it works well and is safe for patients with complex knee issues or those who have had previous surgeries.
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Reducing oxidative stress to prevent chronic pain after knee surgery
This study is testing if a special antioxidant can help people who have knee surgery feel less pain and recover better.
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Comparing A-Linker and Walker for Mobility After Knee Surgery
This study is testing whether using a new mobility device called the A-Linker helps people move better after knee surgery compared to using a standard walker.
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Evaluating the NextAR System for Knee Surgery Outcomes
This study is testing if a new navigation system for knee surgery can help patients have better knee alignment and outcomes after their total knee replacement.
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Comparing two types of knee implants using robotic assistance
This study is testing which of two different knee implants works better for patients getting knee replacement surgery with the help of a robotic system.
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Evaluation of Multigen Plus CCK and AMF TT Cones in Knee Surgery
This study is testing how well a new knee replacement device works for people with joint instability after surgery, comparing results with and without special support cones.
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Improving rehabilitation for veterans after knee surgery
This study is testing a new tool to help veterans recover better after knee surgery by personalizing their rehabilitation based on their individual needs and goals.
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Using Medrol Dosepak to manage pain after knee surgery
This study is testing if a medication called Medrol can help people feel less pain and recover better after knee surgery compared to a placebo.
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Evaluation of a new knee implant material in total knee replacement surgery
This study is testing a new knee implant material in people getting knee replacement surgery to see how it works and if it causes any reactions.
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Comparing cemented and uncemented methods for knee replacement surgery
This study is testing whether using cemented or uncemented methods for knee replacement surgery works better for patients in terms of how long the implants last and how well they attach to the bone.
NIH-funded research (17)
Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.
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How bone density and joint loads affect implant migration after knee replacement
A knee replacement project explores how bone density and how the knee is loaded relate to early implant movement that could lead to loosening.
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Cannabidiol to reduce opioid use after knee replacement surgery
A clinical trial tests whether CBD can help lower opioid needs after knee replacement without extra side effects.
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Neuromuscular electrical stimulation after knee replacement
This project tests whether using electrical stimulation of the thigh muscles after knee replacement helps people recover strength and function faster.
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Multimodal Pain Help After Knee Replacement
A new approach aims to reduce persistent pain after knee replacement by using a minimally invasive nerve-stimulation therapy along with standard care.
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Cannabidiol (CBD) to reduce opioid use after knee replacement
This trial will see if taking cannabidiol (CBD) around the time of a knee replacement helps people use fewer opioid pain medicines after surgery.
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Lowering oxidative stress around knee replacement to reduce long-term pain
This trial gives an antioxidant medicine around the time of knee replacement to help reduce long-term pain for people having total knee arthroplasty.
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Electrical stimulation to boost quadriceps recovery after knee replacement
This project uses small neuromuscular electrical stimulation during rehab to help people regain quadriceps strength after total knee replacement.
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Better Swelling Control After Knee Replacement Surgery
This project is exploring if a special compression garment can help reduce swelling and improve recovery for people who have had total knee replacement surgery.
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Improving rehabilitation for veterans after knee surgery
This study is all about helping veterans recover better after knee surgery by creating a special tool that uses past recovery information to predict how each person will heal, so doctors can give the right support and care tailored just for them.
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Using electrical stimulation to improve recovery after knee surgery
This study is looking at how using a special electrical stimulation can help people get their leg strength back after knee surgery, making it easier for them to recover and get back to their daily activities.
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Reducing oxidative stress to help prevent chronic pain after knee surgery
This study is looking at whether taking an antioxidant before and during knee surgery can help reduce pain after the operation, and it's for people who are having total knee replacement surgery.
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Using cannabidiol to reduce opioid use after knee surgery
This study is looking at whether CBD can help manage pain after knee surgery instead of using opioids, and it's for people who are having total knee replacements and want to explore safer pain relief options.
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Training to prevent falls after knee surgery
This study is testing a special training program to help older adults who have had knee surgery learn how to stay steady and avoid falls while they recover.
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Managing swelling after knee replacement surgery
This study is looking at a new adjustable compression garment to help reduce swelling after knee replacement surgery, which could make recovery easier and improve your overall healing.
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Reducing opioid use before knee surgery
This study is looking at a new way to help people reduce their use of opioids before they have knee surgery, which can lead to less pain and a smoother recovery afterward.
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Understanding how some patients develop chronic pain after knee replacement surgery.
This study is looking at what helps some people avoid long-lasting pain after knee surgery, so if you're having a total knee replacement, your experiences and feelings could help us find ways to keep others from developing chronic pain.
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Understanding pain after knee surgery in older adults
This study is looking at why some older adults develop long-lasting pain after knee surgery and aims to find out what helps some people cope better than others, so we can improve recovery for everyone.
Related topics
Quick answers
How many Total Knee Arthroplasty clinical trials are recruiting right now?
51, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 21 countries. The most sites are in United States (16 trials), Turkey (Türkiye) (9 trials), France (4 trials), United Kingdom (3 trials), Canada (3 trials). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 6, Phase 2: 2, Phase 3: 1, Phase 1/2: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.