Clinical trials: Knee Instability
Anterior Cruciate Ligament Rupture, Deficiency of Anterior Cruciate Ligament
Comparison of Three Methods for Anterior Cruciate Ligament Reconstruction
The purpose of this randomized clinical trial is to determine the difference in quality of life outcome at two years, in patients undergoing an Anterior Cruciate Ligament (ACL) reconstruction procedure with either a patellar…
- Conditions
- Anterior Cruciate Ligament Rupture, Deficiency of Anterior Cruciate Ligament, Chronic Instability of Knee, Anterior Cruciate Ligament Injury
- Trial name
- NCT00529958
- Testing
- Patellar Tendon, Hamstring Tendon, Double-Bundle
- Where
- Canada
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Hemodynamic Instability, Anesthesia
Hemodynamic Changes and Propofol Pharmacokinetic Variation During Anesthesia Induction and Knee-chest Positioning
Induction of anesthesia and the knee-chest position are associated with hemodynamic changes that may impact patient outcomes. Changes from baseline in cardiac output and other hemodynamic variables following induction of…
- Conditions
- Hemodynamic Instability, Anesthesia, Surgery
- Trial name
- NCT03961958
- Testing
- Propofol reduction
- Where
- Portugal
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Salamanca
Recurrent Patellar Dislocation, Patellar Instability
The Comprehensive Assessment in Children After Surgical Treatment of Patellar Recurrent Dislocation.
The aim of this prospective study is to assess extension apparatus function of the knee based on clinical, radiological, isokinetic and gait analysis data in patients after surgical treatment.
- Trial name
- NCT03983213
- Testing
- mpfl reconstruction
- Where
- Poland
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Polish Mother Memorial Hospital Research Institute
Knee Instability in Total Knee Artrhroplasty
Knee Arthroplasty Instability Study
Total knee replacement (TKR) instability is a poorly defined entity. The diagnosis is based on symptoms and clinical tests of knee laxity.
- Trial name
- KISS (NCT05676437)
- Testing
- Stress radiography
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Diakonhjemmet Hospital
Joint Instability
Knee Function in Patients With Two or More Episodes of Patella Dislocations
Patients aged 12 - 30 years, with recurrent patella dislocations, are consecutively included into a randomized prospective study. This study comparess the outcome of two forms of treatment for recurrent patella dislocation.
- Trial name
- MPFL (NCT02263807)
- Testing
- MPFL Group, Control
- Where
- 2 sites in Norway
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Asbjorn Aroen
Affected and Unaffected Knee in Adoloescent
Kine-Mri in Patellofemoral Instability
Purpose: The impact of kinematic-MRI (KINE-MRI) in the patellofemoral instability and anterior knee pain of the adolescents is rarely reported.Interest was to evaluate the patellofemoral joint biomechanics with KINE-MRI in…
- Trial name
- Knee- MRI 2012 (NCT01890551)
- Testing
- Dynamic kine-mri
- Where
- Finland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Kuopio University Hospital
Arthroplasty, Replacement, Knee
The Association of Gait Kinematics, Instability and Patient Reported Outcomes in Patients With Total Knee Replacement
It is unclear why 20% of patients with total knee replacements (TKR) are dissatisfied. Few studies have specifically assessed the way people walk ('gait') with an 'unhappy' or unstable knee or following re-do ('revision') TKR…
- Trial name
- NCT03896191
- Testing
- Revision TKR surgery, No intervention.
- Where
- United Kingdom
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Bath
Patellar Instability, Patellar Dislocation
Torsion of the Tibial Tuberosity, a New Factor of Patellar Instability?
Patellar instability (recurrent patellar dislocation) can occur at any age. It is most often seen in young subjects, especially among adolescents. It is commonly accompanied by anatomical factors.
- Trial name
- NCT03304119
- Where
- France
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- GCS Ramsay Santé pour l'Enseignement et la Recherche
Healthy, Chronic Ankle Instability, CAI
Relationship Between Muscle Strength and Balance
This study aims to examine the relationship between lower extremity muscle strength and balance and to compare these parameters between healthy individuals and individuals with lower extremity injuries.
- Conditions
- Healthy, Chronic Ankle Instability, CAI, Anterior Cruciate Ligament Injury, Muscle Strengh
- Trial name
- NCT07419750
- Where
- Turkey (Türkiye)
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Biruni University
Anterior Cruciate Ligament Injuries
Application of FMRI in Diagnosis of Anterior Cruciate Ligament Injury
1. To compare the knee joint MRI 30 ° The flexion position was similar to that of conventional knee joint coil (about 17 °） The advantages and disadvantages in the description and diagnosis of anterior cruciate ligament…
- Trial name
- NCT04958915
- Testing
- Knee joint 30° flexion scan
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Ligament Injury, Ligament; Laxity
Methylsulfonylmethane on Knee Laxity
The proposed research will focus on determining the effect of methylsulfonylmethane (MSM) on knee laxity changes through the menstrual cycle in young active females.
- Conditions
- Ligament Injury, Ligament; Laxity, Tendon Rupture, Tendon Injuries
- Trial name
- NCT03747198
- Testing
- methylsulfonylmethane
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Patellar Dislocation, ACL Injury
The Faroese Knee Cohort: Etiology and Long-term Implications of Trochlear Dysplasia and Patellar Dislocations.
The investigators intend to establish a national cohort including all persons in the ages from 15-20 years old with patellar instability (PI) or a prior knee injury (ACL-ruptur or meniscus damage) .
- Conditions
- Patellar Dislocation, ACL Injury, Meniscus Lesion, Trochlear Dysplasia
- Trial name
- FKC (NCT04607538)
- Testing
- No intervention is made
- Where
- Denmark
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
Patellar Instability
Computational Simulation of Patellar Instability
Computational simulation will be performed to represent motion of knees with a dislocating kneecap. Common surgical treatment methods will be simulated and anatomical parameters commonly associated with the dislocation will be…
- Trial name
- NCT02998372
- Testing
- patellar stabilization
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Cleveland Clinic Akron General
Patella Dislocation Recurrent, Children, Only
Assessment of Knee Flexor Muscles Strength in Patients With Patellar Instability
The study enrolled 33 patients with confirmed recurrent patellar dislocation, including 6 patients with bilateral involvement. In the study group, both side hamstring muscle were evaluated at the velocities of 60 and 180 deg/s…
- Trial name
- NCT04838158
- Testing
- Isokinetic measurements
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Polish Mother Memorial Hospital Research Institute
Chronic Ankle Instability, CAI
Assessment of Torso Musculature and Hamstring Flexibility in Patients With Chronic Ankle Instability
The purpose of this study is to assess torso musculature in terms of static and dynamic core muscle endurance tests and hamstring flexibility in non-athletic patients with unilateral chronic ankle instability.
- Trial name
- NCT06925191
- Testing
- Group A (Experimental): 29 affected ankles of both genders diagnosed with Chronic ankle instability (CAI) who met the inclusion criteria. Group B (Control): 29 matched non-affected with CAI
- Where
- Egypt
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Cairo University
Healthy
The Effect of Estrogen and Progesterone Levels on Knee and Ankle Joint Laxity
The proposed research is an observational study designed to compare estrogen and progesterone serum levels with knee and ankle joint laxity, and muscle reaction time as a measure of neuromuscular function.
- Trial name
- NCT00005923
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Ligament; Laxity
Evaluation of Anterior Tibial Translation of the Knee in Healthy Women, at Two Times of the Menstrual Cycle, on Hormonal Contraceptives or Not (FLEX)
Women's participation in sports at all levels has been increasing in recent decades. Many individual and team sports are at risk of anterior cruciate ligament (ACL) injury.
- Trial name
- FLEX (NCT05177549)
- Testing
- Bilateral knee examination with Lachmeter®
- Where
- France
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Nice
Knee Instability
Effects of Hamstring Training in Different Modes on Stabilizing Knee Joints With Anterior Drawer Laxity
Question: To investigate how different modes of thigh muscles strengthening exercises emphasizing the knee internal rotators can be as effective as possible in improving the static stability and agility of the knees with anterior…
- Trial name
- NCT01170546
- Testing
- plate-loaded kneeling leg curl with internal rotation, plate-loaded squat press, plate-loaded kneeling leg curl
- Where
- Taiwan
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Taipei Physical Education College
Patella, Joint Instability
Development of a Test Battery for Measurement of Knee Function in Patients With Patellar Instability
About six months after patella stabilizing surgery postoperative restrictions are commonly lifted and patients may consider whether a return to activity/sports is feasible.
- Conditions
- Patella, Joint Instability, Patellofemoral Joint Dislocation
- Trial name
- NCT05119088
- Testing
- Return to Sport testbattery
- Where
- Norway
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Haraldsplass Deaconess Hospital
Ligament; Laxity, Recurrent Patellar Dislocation
Clinical Significance and Coexistence of Polymorphisms of Individual Collagen-coding Genes
The purpose of this study is to assess correlation between recurrent patella dislocation and genetic polymorphism rs1800012 of the COL1A1 Gene and rs12722 of the COL5A1 Gene.
- Trial name
- NCT05763108
- Testing
- genetic test, Beighton joint laxity test
- Where
- 2 sites in Poland
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Polish Mother Memorial Hospital Research Institute