Avascular necrosis

This early study is testing a new device called the ReNew Hip Implant in 15 people aged 14 to 64 with hip cartilage damage from conditions like osteoarthritis or hip impingement. The implant is surgically placed to repair the cartilage. Researchers are checking if it is safe and …

This study follows 200 adults who receive the Shoulder iD™ implant to treat severe rotator cuff tears or shoulder arthritis. Researchers measure how well the shoulder works and how often the implant needs to be fixed or replaced over 10 years. Participants attend regular check-up…

This study follows 73 people who received a shoulder replacement using the Anatomical Shoulder Domelock System. The goal is to see how well the device works and how safe it is over 10 years. Participants have conditions like arthritis or avascular necrosis and have not improved w…

This study is testing the Persona Ti-Nidium knee implant in 240 people who need total knee replacement due to conditions like osteoarthritis or rheumatoid arthritis. The goal is to see if the implant is safe and improves knee function and pain. Participants will be followed over …

This study is testing a new type of hip resurfacing device made entirely of ceramic, designed for people with hip osteoarthritis, necrosis, or dysplasia. The goal is to see if it is as safe and effective as existing metal-on-metal devices, but without releasing metal ions into th…

This trial is testing two different cup designs for total hip replacement, both paired with the same stem, to see which one gives patients better hip function and less pain. About 120 people with hip arthritis or related conditions will be randomly assigned to receive either the …

This study follows 300 people who receive a hip replacement using either the Vivacit-E or Longevity liner, both made of a special plastic designed to last longer. The goal is to see how well these liners hold up over time, measuring how many are still in place without needing rep…

This study is testing the Persona knee implant in 760 people who need total knee replacement due to arthritis or other knee conditions. The goal is to see if the implant is safe and improves knee function and quality of life. Participants will be followed for several years after …

This study is testing a new modular shoulder replacement system in 105 people who need complex revision surgery due to joint disease, trauma, or cancer. The device can replace part or all of the upper arm bone. Researchers are tracking how long the implant lasts and how well pati…

This study looks at how well the Insignia Hip Stem works and how safe it is for people needing a total hip replacement. It includes 313 adults with conditions like hip arthritis or fractures. Researchers will check implant survival and hip function for up to 10 years after surger…

This study follows 200 adults getting a shoulder replacement with the Zimmer Trabecular Metal Reverse Shoulder System. It aims to see how long the implant lasts and how well it relieves pain and improves movement in people with conditions like arthritis, fractures, or failed prio…

This phase 3 trial tests whether a combination of pentoxifylline (a muscle pain drug) and vitamin E can help heal jaw bone damage caused by osteoporosis or cancer treatments. About 100 people with medication-related jaw bone death will receive either the drug combo plus standard …

This study compares two types of total knee replacement systems: one that uses cement to hold the implant in place and one that does not. Researchers will track 300 patients with knee pain from arthritis or deformity over 5 years to see which implant leads to better pain relief, …

This study is checking how well a new hip replacement part (the HYPE stem) works and lasts over 10 years. About 180 people with hip disease from arthritis or injury will get the implant. Doctors will use X-rays and surveys to see if the implant stays firmly in place and helps red…

This study planned to test a new hip replacement device (the HYPE stem) in people with hip arthritis or other hip damage. The goal was to see how well the device works and if it is safe. However, the study was withdrawn before any participants were enrolled, so no results are ava…

This study follows 194 people who received the Comprehensive Nano shoulder device to replace their shoulder joint due to arthritis, bone death, or deformity. Researchers will track how long the implant lasts and how well patients can use their shoulder over 10 years. The goal is …

This study follows 757 people who received the Persona Partial Knee system, a device used to replace only the damaged part of the knee. The goal is to see how long the implant lasts and how well patients function afterward. Participants have knee arthritis or related conditions a…

This study tests a procedure for people with early-stage osteonecrosis (bone death) of the hip. Doctors drill into the hip bone, inject a concentrated sample of the patient's own bone marrow, and add a special bone graft material called Genex. The goal is to see if this helps bon…

This study is following 110 people who received a Tornier HRS shoulder replacement to see how well it improves pain and function. Participants have conditions like arthritis, fractures, or rotator cuff tears. The goal is to collect long-term safety and performance data for regula…

This study follows 52 people who already received a Vivacit-E hip liner during total hip replacement. Researchers will track how long the implant lasts and any problems over 10 years. The goal is to confirm the liner is safe and helps reduce pain and improve movement for conditio…

This study is checking the long-term safety and performance of two hip implant devices (RingLoc Bipolar Acetabular Cup and Endo II Femoral Head) used in hip replacement surgery. Researchers will follow 116 patients who had their surgery at least eight years ago, tracking complica…

This study is testing the CATALYSTEM hip system in 119 people who need a total hip replacement due to conditions like arthritis or hip damage. The goal is to see if the implant is safe and works well, focusing on how long it lasts without needing a second surgery. Participants wi…

This study follows 100 people who received a new type of knee replacement device called EVOLUTION® NitrX™. The goal is to see how safe and effective it is over time. Participants have conditions like arthritis or knee damage. The main measure is a patient-reported score of knee f…

This study is testing a custom 3D-printed device that replaces the talus bone in the ankle. The device is designed for people with severe bone damage from conditions like avascular necrosis or large cartilage defects. Researchers will follow 50 participants for 5 years to see if …

This study tracks 100 adults who need a hip replacement to see how well the Avenir cemented hip stem works and holds up over time. Participants have conditions like arthritis, hip fractures, or hip damage from past surgeries. The main goal is to measure how long the implant lasts…

This study looks at how well a special shoulder implant works for people who need a joint replacement due to arthritis, injury, or bone loss. Researchers will track 22 participants to see how long the implant lasts and if there are any problems. The goal is to make sure the impla…

This study is following 202 people who received a special hip liner during hip replacement surgery. The goal is to see how long the liner lasts and whether it causes any problems over time. Participants are adults aged 18 to 80 with conditions like arthritis or hip fractures. The…

This study follows 200 adults who received the Medacta Shoulder System to treat shoulder problems like arthritis, fractures, or to replace a previous implant. Researchers are checking how long the implant lasts, how well the shoulder works, and any side effects. The goal is to co…

This study follows 100 people who need a hip replacement to see how long the MiniMAX hip stem lasts and how well it works. Participants receive the stem during surgery and are checked for implant survival and hip function using the Harris Hip Score. The goal is to confirm the ste…

This study follows 200 people who receive a cementless knee replacement (GMK Sphere) to see how long the implant lasts and how well it works. Participants have severe knee damage from arthritis or other conditions. The goal is to monitor safety and performance in real-world use, …

This study compares a new hip implant cup (Trident II) to an older version to see if it stays just as stable in the bone after surgery. Researchers will track 87 patients aged 40-75 for up to 10 years using special X-rays to measure any implant movement. The goal is to ensure the…

After hip replacement through a front incision, many people feel numbness, tingling, or burning in the thigh because a nearby nerve gets irritated. This trial tests whether a handheld massage gun, used at home twice a day for six weeks, can ease those symptoms faster than gentle …

This study follows 76 people who received a pyrocarbon shoulder implant to see how well it works and holds up over 5 to 10 years. Researchers measure shoulder pain, function, and any complications. The goal is to confirm the implant is safe and effective for long-term use.

This study gathers information from 160 people who received a shoulder implant to see how long the implant lasts and how safe it is. Participants have conditions like arthritis or fractures. The goal is to use this data to make better implants and help doctors and patients make i…

This study looks at how well treatments for childhood hip conditions (like hip dysplasia and Perthes disease) work over the long term. Researchers at Mayo Clinic are following 500 adults who were treated for these conditions as children. They will check how many needed another su…

This study is following 230 adults who received a G7 hip replacement system to see how long the implant lasts and how well it works. Participants have hip problems like arthritis or bone death. The study does not test a new treatment but simply watches and records outcomes over t…

This study follows 200 adults who received the Medacta Shoulder System to treat various shoulder issues like arthritis, fractures, or rotator cuff problems. The main goal is to see how long the implant lasts and how well the shoulder works after surgery. It is a post-market check…