27 Clinical Trials for Various Conditions
This is an adaptive open-label, first-in-human (Phase IIa) study designed to assess the safety (and efficacy) of Aurase Wound Gel, an enzymatic debridement product, intended for topical application to sloughy venous leg ulcers (VLU)
Orthotists currently use a range of weight bearing conditions when casting or scanning a patient's limb during the Ankle foot orthosis (AFO) fitting process. This variability in clinical practice is the result of differing opinions regarding the best method for fitting, and a limited understanding of how weight bearing affects the resulting geometry. Few studies have been performed to determine the effect of weight bearing on resulting geometry, or the consistency of the geometry obtained. In this study we seek to evaluate the effect of foot loading on lower limb geometry and the consistency of measurements using low-cost 3D scanning technology, with implications for fitting AFOs.
3D limb scanning systems have recently been implemented for the clinical fitting of prosthetic and orthotic devices due to substantial decreases in costs. However, little data is available regarding the repeatability and validity of systems currently in use. In this study the investigators seek to evaluate the repeatability and validity of multiple lower limb measurements obtained using low-cost 3D limb scanning technology.
The purpose of this study is to evaluate the use of post-operative opioid use after two different educational interventions. The investigators will compare changes in pain, disability and sleep between groups 6 months after elective lower extremity surgery.
This is an open-label, non-randomized, multi center, patient sponsored study of Adipose-Derived Stromal Cell (ASC) implantation via intramuscular injections in patients who have critical limb ischemia not amenable for revascularization. The intent of this clinical study is to answer the questions: 1) Is the proposed treatment safe and 2) Is treatment effective in improving the disease pathology of patients with diagnosed critical limb ischemia ASCs will be collected from the patient's adipose-derived tissue (body fat). Using local anesthesia, Liposuction will be performed to collect the adipose tissue specimen. The adipose tissue is then transferred to the laboratory for separation of the adipose tissue derived stem cells. In addition, peripheral blood will be collected for isolation of platelet rich plasma, which are then combined with the ASC's for intramuscular injection into the lower limb.
The purpose of this study is to compare injecting local anesthetic (numbing medication) in different patterns around a major nerve in the leg. Patients who undergo surgery to the lower leg and/or foot are usually offered the option of a nerve block to help with pain control after surgery. A nerve block involves injecting local anesthetic (numbing medicine) by a nerve or nerves that provide sensation to the area where surgery will be performed. The local anesthetic (numbing medication) numbs up the area where the surgery is performed and helps decrease the amount of pain felt after surgery. The local anesthetic (numbing medication) can be injected in various patterns by a nerve, such as in one spot by a nerve or completely surrounding a nerve. The local anesthetic will be either injected around the sciatic nerve or will injected in a way that will split the sciatic nerve into the two component nerves that make it up, the tibial and sciatic, and surrounds each nerve. The hypothesis is that subjects in the group that local anesthetic is injected in a pattern that separates the sciatic nerve into the two component nerves may have a faster onset time of regional anesthesia and block success than subjects in the group that have the local anesthetic injected at around the nerve.
The goal of this observational study is to learn if the measures of tissue oxygenation from the MIMOSA Pro imaging device correlate to standard vascular assessment tools in patients who receiving a lower extremity vascular assessment. The main questions it aims to answer are: * Do the MIMOSA Pro tissue oxygenation measures correlate to Ankle-Brachial Index, Toe-Brachial Index, transcutaneous oximetry, and Doppler wave forms? * Do the MIMOSA Pro tissue oxygenation measures correlate with disease classifications for peripheral arterial disease, venous disease, and wound stage? * Is the MIMOSA Pro able to measure vascular status more often than other modalities? Participants will be asked to follow standard of care, and also allow for their legs to imaged by the MIMOSA Pro.
A 12 month, multicenter, open-label registry to observe chronic venous insufficiency resulting in VLU treated with Varithena.
Lower limb amputation is common in the United States, with approximately 150,000 amputations annually. Most individuals walking with a prosthesis demonstrate asymmetrical loading-i.e., they favor the amputated side by placing more weight and increased ground reaction forces through the intact limb-which likely contributes to increased metabolic cost of walking. Lack of adequate muscular strength in the lower limb to attenuate these forces places increased stress on the joints, which may be displaced proximally, and may play a role in reported knee and hip pain in the intact limb. Lower limb muscle weakness following amputation has been well documented. Increasing quadriceps strength is important after an amputation because it is positively correlated with gait speed. Gait speed may also be associated with successful community mobility, which leads to improved quality of life following amputation. Individuals with amputation who resume an active lifestyle are able to maintain strength. However, these individuals represent a minority of persons with lower limb amputation; most individuals report more barriers than motivators to adopt an active lifestyle. Ischemic conditioning (IC) may strengthen leg muscles and reduce the metabolic cost of activity after amputation. In IC, the limb is exposed to brief, repeated bouts of ischemia (reduced blood flow) immediately followed by reperfusion. IC has been shown to improve muscle performance in healthy and diseased populations. IC has also been used more recently in patients with peripheral artery disease (PAD) as an intervention to improve function, such as walking ability. Acute exposure to IC increases muscle strength and activation, both in healthy, active individuals and in those with severe neuromuscular dysfunction, such as stroke survivors. IC also attenuates muscular fatigue. Increased fatigue resistance at submaximal contraction levels following IC may be due to increased neural activation of skeletal muscle. Changes in neural activation of muscle may be particularly beneficial during cortical reorganization after amputation. Reduced quadriceps fatigue during submaximal activities may also drive changes in gait kinematics, such as increased knee flexion during loading and mid-stance. Exposure to IC may also increase the oxidative properties of skeletal muscle, offering a direct pathway to reduce metabolic cost. Therefore, IC may lead to cellular changes that lower the metabolic cost of activity. The primary aim of this study is to quantify the benefits of acute and chronic IC on quadriceps strength and walking economy in individuals with PAD and history of lower limb amputation.
The purpose of this study is to develop a database that contains movement and rehabilitation-related data collected through the use of wearable sensors and video. This database will serve as a resource for clinicians and researchers interested in the investigation of movement or rehabilitation-related research ideas.
This is a study comparing two methods of dressing a post operative wound that are currently in practice. One method is a traditional dry gauze dressing. The other method is using a negative pressure dressing that provides gentle suction on the wound. The investigators will attempt to determine how well the use of post-operative negative pressure dressing reduces wound healing problems in patients who have surgery after radiation for a sarcoma in the thigh or leg.
The purpose of this research study is to develop a protocol using a fully wearable, portable lower-limb exoskeleton for improving leg and walking function in people with movement disorders. The study investigates the effects of wearing the device during a set of experiments including leg stretching, treadmill walking and overground walking in muscle activity, joint motion, and gait performance. The goal is to develop an effective lower-limb strategy to restore lost leg function (e.g., range of motion) and gait ability, and improve quality of life in people with movement deficits following a neurological disorder.
This study is a prospective, interventional, non-randomized study designed to assess the safety and efficacy of the Noxsano Bandage (study device) in healthy subjects and wound care subjects with a diabetic lower extremity ulceration and/or arterial insufficiency lower extremity ulceration.
The investigators are conducting a Phase II prospective and placebo controlled study of a topical cream containing sodium nitrite compared to the current standard of care. Sodium nitrite is a local donor of nitric oxide, which is known to improve blood flow and decrease bacterial load in the ulcer bed. The primary objectives are to evaluate the safety of topical sodium nitrite cream treatment in patients with sickle cell disease and chronic leg ulcers and to determine its effectiveness in accelerating the healing process and decreasing the pain associated with ulceration. Potential benefit will be a durable resolution or improvement of the leg ulcer and its associated pain. Possible side effects include decreased blood pressure and methemoglobinemia, secondary to sodium nitrite absorption through the ulcerated skin. Funding source FDA OOPD.
The Intrepid Dynamic Exoskeletal Orthosis (IDEO) is a custom, energy storage and return ankle orthosis proven to improve functional ability when coupled with a customized high-intensity rehabilitation program. The Return to Performance (RTP) clinical pathway is the civilian version of the evidence-based Return To Run (RTR) clinical pathway. Together, the CUSTOMIZED EXOSKELETAL ORTHOSIS and RTP form a novel orthotic and rehabilitation initiative. A diverse group of patients has utilized the pathway to date, including combat wounded Soldiers undergoing complex limb salvage procedures, those with muscle and tendon deficiencies, patients with postoperative nerve palsies, various lower extremity fractures and many others. With this study we are seeking to determine how participation in CUSTOMIZED EXOSKELETAL ORTHOSIS RTP clinical pathway affects patient outcomes as determined by validated functional outcome measures. Subjects will undergo testing before, during and after completion of the clinical pathway.
The objective of this study is to compare the effectiveness of standard moist dressings and PICO single-use negative pressure dressings in post-operative lower extremity bypass patients. This study will compare the dressings' ability to decrease swelling, decrease post-operative infection, and improve mobility and quality of life measures. Subjects will be asked to participate in this study because they will undergo a lower extremity bypass using the ipsilateral great saphenous vein. Subjects will then be randomized to two post-operative treatment groups. One group will receive standard sterile gauze and the other will receive PICO single-use negative pressure dressings. Both groups will be assessed for study measures in follow-up visits as clinically indicated up to 1 year with the 30 day timepoint as the primary outcome for study measures.
The purpose of this study is to evaluate a surgically implanted functional electrical stimulation (FES) system to facilitate exercise, standing, stepping and/or balance in people with various degrees of paralysis.
This study will compare the effects of closed incision negative pressure dressing vs. standard of care silver dressing on lower limb swelling after bilateral primary total knee arthroplasty.
Firefighters work some of the most demanding schedules known under highly stressful and demanding conditions. The need to work frequent extended shifts and long work weeks leads to acute and chronic partial sleep deprivation as well as misalignment of circadian phase. Sleep disorders are common, costly, and treatable, but often remain undiagnosed and untreated and it is likely that a significant proportion of firefighters suffer from undiagnosed sleep disorders which will further impair their sleep and exacerbate fatigue.In the current proposal, we aim to address the health, performance and safety issues related to fatigue in firefighters and test the effectiveness of a Comprehensive Firefighter Fatigue Management Program (CFFMP) that we have termed 'Operation Healthy Sleep.'
Incomplete spinal cord injuries (SCI) are the most frequent neurologic category, comprising 66.7% of all SCI cases. People with incomplete SCI may retain some ability to move the legs and therefore the capacity to regain walking. Studies that show functional improvement in locomotion via electrical stimulation of lumbosacral circuits suggest that the underlying mechanisms are neuromodulation of lumbosacral spinal cord automaticity and sensory feedback. Both epidural and transcutaneous spinal stimulation are demonstrating exciting potential to improve limb function for people after chronic SCI. Available treatment options for SCI are less than satisfactory and most often do not achieve full restoration of function. Recent experimental results suggest an exciting new approach of using electrical spinal stimulation to enable users to regain control of their weak or paralyzed muscles. Using surgically-implanted electrodes, epidural stimulation results in remarkable improvements of lower extremity function as well as autonomic functions such as bladder function and sexual function. In addition to epidural stimulation, over only the last few years a novel strategy of skin surface electrical spinal stimulation has also demonstrated exciting potential for improving walking function. Using a high-frequency stimulation pulse, current can pass through the skin without discomfort and activate the spinal cord; this results in patterned stepping movements for people without SCI and improved lower extremity function following SCI. This study will directly compare skin-surface transcutaneous stimulation with implanted epidural stimulation for improving lower extremity function.
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers. This multi-site trial will (1) test the driving decision aid (DDA) in improving decision making and quality (knowledge, decision conflict, values concordance and behavior intent); and (2) determine its effects on specific subpopulations of older drivers (stratified for cognitive function, decisional capacity, and attitudinally readiness for a mobility transition). The overarching hypotheses are that the DDA will help older adults make high-quality decisions, which will mitigate the negative psychosocial impacts of driving reduction, and that optimal DDA use will target certain populations and settings.
More than 100 hospital based outpatient wound centers in the USA and Puerto Rico agree to transmit structured data on all patients followed with chronic wounds and ulcers (e.g. diabetic foot ulcers, venous ulcers, pressure ulcers, arterial ulcers, surgical wounds, and traumatic wounds). Data are collected at point of care including adherence to wound care quality measures developed by the USWR as a Qualified Clinical Data Registry (QCDR).
The purpose of this study is to evaluate the feasibility and efficacy of a smart airbag system that detects and mitigates fall-related impact in individuals with high fall risk.
The purpose of this clinical investigation is to evaluate the safety and efficacy of Amnion/Chorion/Amnion allograft , Amnion/Chorion allograft, and/or Amnion/Amnion allograft, plus Standard of Care (SOC) each versus SOC alone in the treatment of chronic non-healing diabetic foot ulcers (DFU) after 12 weeks of treatment.
A PHASE 2a, MULTI-CENTER, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED DOSE ESCALATING STUDY TO EVALUATE THE SAFETY AND TOLERABILITY OF TOPICALLY APPLIED BISPHOSPHOCIN NU-3 GEL TO CLINICALLY NONINFECTED CHRONIC DIABETIC FOOT ULCERS (cDFU)
The primary goal of the study is to demonstrate the increased rate of complete wound closure by AMNIOEXCEL® compared to routine care in patients with chronic diabetic foot ulcers
The goal of this clinical trial is to learn if using perinatal tissue allografts improves healing of chronic, non-healing foot ulcers in diabetic patients. The main question that this study aims to answer is: Does the use of perinatal tissue allografts in conjunction with standard of care wound management techniques result in a higher percentage of target ulcers achieving complete closure (i.e. healing) as compared to ulcers being treated with standard of care alone after 12 weeks of treatment. One ulcer on each participant's foot will receive weekly 1) applications of perinatal tissue allografts and standard of care wound management or 2) standard of care wound management alone. Pictures of the ulcer and measurements of its size will be measured every week to track its healing progress over a total treatment period of 12 weeks. Additionally, the participants will be asked to fill out a questionnaire about the wound impacts their life and their quality of life.