Clinical trials
Total Knee Arthroplasty clinical trials
Below are recruiting total knee arthroplasty clinical trials, each written for real people, not researchers. We’re tracking 226 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05391828Recruiting
Testing a new knee robot and app support for knee arthritis
This study looks at whether a robot-assisted knee replacement plus remote tracking with an Apple Watch and a smartphone app helps people do better after surgery. You may be eligible if you’re an adult getting a planned (not replacement) knee surgery for arthritis and can use the required devices.
New York, New YorkAges 18 years+ - NCT04576078RecruitingPhase 2
Nefopam for less pain after knee replacement surgery
This Phase 2 study tests whether oral nefopam can reduce pain after total knee replacement done with spinal anesthesia. It looks at whether this medicine works better than the usual post-surgery pain plan and how safely it can be used.
Lyon, LyonAges 18–75 - NCT06293352Recruiting
Comparing two antibiotic spacers for knee infection
This trial compares two types of antibiotic spacers for people with a long-term knee replacement infection. It tests whether a spacer made entirely of antibiotic cement or one with a metal core works better to treat the infection before a new knee replacement.
Chicago, IllinoisAges 18 years+ - 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+ - NCT06747494Recruiting
Comparing general vs spinal anesthesia for hip or knee replacement
This study compares two types of anesthesia (general and spinal) for people having a total hip or knee replacement. The goal is to see which approach is better for recovery and overall outcomes.
Miami, FloridaAges 18 years+ - NCT05788016Recruiting
Help planning an opioid taper before knee or hip surgery
This study looks at a plan to safely reduce (taper) opioid pain medicines before total knee or hip replacement surgery. It may help people who are already taking opioids and are preparing for surgery in the next 1 to 2 months.
Birmingham, AlabamaAges 18 years+ - NCT05658796Recruiting
Program to reduce opioid use after hip or knee replacement
This trial tests a support program called RXWell to help people use less opioid pain medicine after elective hip or knee replacement surgery. It may help by addressing anxiety and depression symptoms that can affect pain and recovery.
Monroeville, PennsylvaniaAges 18–100 - NCT06321042Recruiting
Knee replacement study using sensor-guided implant placement
This study tests whether using small motion sensors during knee replacement surgery leads to better outcomes. It is for people aged 50–84 with severe knee pain from arthritis or bone damage who are scheduled for a first-time cemented total knee replacement.
Bologna, ItaliaAges 50–85 - NCT07288970Recruiting
Comparing two numbing injections for knee replacement pain
This study compares two types of numbing injections (nerve blocks) to see which provides better pain relief after total knee replacement surgery. If you are 65 or older and having your first knee replacement, you may be able to join.
PoznanAges 65–100 - NCT07454356Recruiting
Device to help knee bending after replacement
This study tests a non-surgical device called Knee Flexionater to help people who have limited knee bending after total knee replacement. The goal is to improve knee motion and avoid a second surgery.
Houston, TexasAges 40 years+ - NCT07439575Recruiting
Wound closure methods in hip and knee replacement
This study compares different ways of closing the wound after hip or knee replacement surgery. It looks at which methods heal best with fewer problems.
Istanbul, IstanbulAges 30 years+ - NCT04677907Recruiting
Testing a metal knee implant feature in osteoarthritis surgery
This trial studies a specific type of knee replacement and how well it works after surgery for people with knee osteoarthritis. It may help doctors understand which implant approach leads to better outcomes and recovery.
Glasgow, ScotlandAges 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 - NCT05966519Recruiting
Study testing flexible planning for knee replacement with ROSA
This study looks at how flexible pre-op planning can be when you get a total knee replacement using the ROSA system. It may help doctors fine-tune surgery planning while keeping outcomes safe and effective.
Fukuoka, FukuokaAges 20 years+ - NCT07818343Recruiting
Comparing two knee replacement designs for revision surgery
This study compares two types of knee implants used when a previous knee replacement needs to be revised (re-done). It aims to see which design offers better outcomes for patients needing both parts of the implant replaced.
Washington D.C., District of ColumbiaAges 18–80 - NCT07151417RecruitingPhase 2/Phase 3
Steroid injection during total knee replacement
This study tests whether adding a corticosteroid (a type of anti-inflammatory medicine) to the standard pain injection during total knee replacement can improve pain relief. It is for adults getting their first knee replacement at certain military hospitals.
Bethesda, MarylandAges 18 years+ - NCT06581965RecruitingPhase 4
Personalized blood clot prevention for hip or knee replacement
This trial compares a personalized approach to preventing blood clots after hip or knee replacement surgery with the standard one-size-fits-all method. The goal is to see if tailoring prevention to each patient works better and is safer.
Apeldoorn, GelderlandAges 18 years+ - 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+ - NCT07564427Recruiting
Electromagnetic therapy to reduce pain after hip replacement
This study tests whether a special electromagnetic therapy, added to standard recovery exercises, can reduce pain and improve movement after hip replacement surgery. The therapy is non-invasive and may help you regain function faster.
TaipeiAges 18–99 - NCT05685706Recruiting
Study of spine alignment after hip or knee replacement
This study looks at how the alignment of your spine relates to your walking and posture after hip or knee replacement surgery for wear-and-tear arthritis. It may help doctors better understand how to monitor recovery and long-term function.
Taichung, North DistrictAges Any age - NCT07815080Recruiting
Two ways to place knee replacement parts
This study compares two methods of aligning the thigh bone during knee replacement surgery. One method uses a guide inside the bone, the other uses a guide outside the bone. The goal is to see which gives better results and allows for a smoother recovery.
MilanAges 18 years+ - NCT07313449Recruiting
Knee replacement study: 1-year results for a specific prosthesis
This study looks at how well a certain type of cemented total knee replacement works after at least one year. It may help doctors understand long-term outcomes for this specific knee implant.
StrasbourgAges 18 years+ - NCT07023185Recruiting
Cold and compression after knee replacement
This study will test if adding cold and compression therapy after knee replacement surgery can help with pain, swelling, and recovery. You may qualify if you are 50 or older and having a knee replacement with a specific surgeon.
New Orleans, LouisianaAges 50 years+ - NCT06309433Recruiting
Bone density after different knee replacement designs
This study looks at how bone density around a new knee replacement changes over time, comparing two different types of knee implants. It may help your surgeon choose the best option for you.
Bologna, ItaliaAges 45 years+
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Common questions
- Are there clinical trials for total knee arthroplasty?
- Yes. Clin2 currently lists 226 recruiting total 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 total 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 total 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.