PubMed Journals Articles About "Clinical Trial Protocol For Therapeutic MRI-guided High Intensity Focused Ultrasound Ablation Of Uterine Fibroids In A 3T MRI Scanner" RSS

16:22 EST 22nd January 2019 | BioPortfolio

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Showing "Clinical Trial Protocol Therapeutic guided High Intensity Focused" PubMed Articles 1–25 of 69,000+

MRI-Guided High-Intensity Focused Ultrasound as an Emerging Therapy for Stroke: A Review.

Stroke, either ischemic or hemorrhagic, accounts for significantly high morbidity and mortality rates around the globe effecting millions of lives annually. For the past few decades, ultrasound has been extensively investigated to promote clot lysis for the treatment of stroke, myocardial infarction, and acute peripheral arterial occlusions, with or without the use of tPA or contrast agents. In the age of modern minimal invasive techniques, magnetic resonance imaging-guided high-intensity focused ultrasound...

Magnetic Resonance-Guided High-Intensity Focused Ultrasound (MR-HIFU): Technical Background and Overview of Current Clinical Applications (Part 1).

 Extracorporeal high-intensity focused ultrasound (HIFU) is a promising method for the noninvasive thermal ablation of benign and malignant tissue. Current HIFU treatments are performed under ultrasound (US-HIFU) or magnetic resonance (MR-HIFU) image guidance offering integrated therapy planning, real-time control (spatial and temperature guidance) and evaluation.

YMCA exercise intervention to augment smoking cessation treatment in adults with high anxiety sensitivity: Study protocol for a randomized controlled trial.

Extant evidence suggests that exercise can reduce anxiety related vulnerability factors, such as anxiety sensitivity (AS), or fear of bodily sensations related to anxiety, that negatively impact smoking cessation outcomes. Building upon emerging evidence supporting the efficacy of exercise as an aid for smoking cessation in adults with high AS, we are conducting a trial to examine the efficacy and feasibility of this clinical application when implemented in a community setting. Partnering with the YMCA, thi...

Primary Axillary Hyperhidrosis Treatment Using High Intensity Focused Fractional Radiofrequency Microneedling.

Primary axillary hyperhidrosis (PAH), or excessive sweating limited to the axillary area, is a debilitating disease that severely and negatively impacts social and psychological well-being. Several treatment options are available for PAH; however, these options have been shown to provide varying effectiveness. Recent studies have suggested another treatment alternative offering an effective PAH treatment option with reported long-term results. High intensity focused fractional radiofrequency (HIFRF) microne...

Magnetic Resonance-Guided High-Intensity Focused Ultrasound (MR-HIFU): Overview of Emerging Applications (Part 2).

 High-intensity focused ultrasound (HIFU) allows noninvasive heating of deep-seated tissues. Guidance under magnetic resonance imaging (MR-HIFU) offers spatial targeting based on anatomical MR images as well as MR-based near-real-time temperature maps. Temperature feedback allows delivery of a well-defined thermal dose enabling new applications such as the ablation of malignant tissue.

Predictive Value of Quantitative Uterine Fibroid Perfusion Parameters From Contrast-Enhanced Ultrasound for the Therapeutic Effect of High-Intensity Focused Ultrasound Ablation.

To assess the predictive significance of quantitative perfusion parameters from contrast-enhanced ultrasound (CEUS) for the therapeutic response to high-intensity focused ultrasound (HIFU) ablation in patients with uterine fibroids.

Full Modelling of High-Intensity Focused Ultrasound and Thermal Heating in the Kidney using Realistic Patient Models.

High-intensity focused ultrasound (HIFU) therapy can be used for non-invasive treatment of kidney (renal) cancer, but the clinical outcomes have been variable. In this study, the efficacy of renal HIFU therapy was studied using nonlinear acoustic and thermal simulations in three patients.

Two HEmostasis Methods After TransradIal Catheterization: THEMATIC - protocol for a randomized clinical trial.

Randomized clinical trial protocol to evaluate the incidence of radial artery occlusion with two different arterial compression devices after transradial procedures.

A Novel Strategy to Identify Placebo Responders: Prediction Index of Clinical and Biological Markers in the EMBARC Trial.

One in three clinical trial patients with major depressive disorder report symptomatic improvement with placebo. Strategies to mitigate the effect of placebo responses have focused on modifying study design with variable success. Identifying and excluding or controlling for individuals with a high likelihood of responding to placebo may improve clinical trial efficiency and avoid unnecessary medication trials.

Genotype-guided Warfarin Dosing in Patients with Mechanical Valves: a Randomized Controlled Trial.

The clinical utility of genotype-guided warfarin dosing remains controversial. The objective of this trial was to evaluate the efficacy and safety of genotype-guided warfarin dosing in East Asians.

Robotic Assisted MRI-Guided Interventional Interstitial MR Guided Focused Ultrasound Ablation in a Swine Model.

Ablative lesions are current treatments for epilepsy and brain tumors. Interstitial magnetic resonance (MR) guided focused ultrasound (iMRgFUS) may be an alternate ablation technique which limits thermal tissue charring as compared to laser therapy (LITT) and can produce larger ablation patterns nearer the surface than transcranial MR guided focused ultrasound (tcMRgFUS).

In Situ Simulation to Mitigate Threats to Participation in a Multicenter Clinical Trial in High-Acuity, Low-Frequency Setting.

Multicenter clinical trials of high-acuity, low-frequency emergencies are expensive and resource intensive. Current standards for trial preparation have significant limitations. Our objective is to describe our use of in situ simulation (ISS) to identify and mitigate threats to enrollment, protocol adherence, and patient safety in preparation for a multicenter clinical trial of antiepileptics for status epilepticus in the emergency department.

study: protocol for a stepped-wedge cluster randomised trial to compare access to care for a mobile app versus a workstation-based store-and-forward teledermatology process.

Teledermatology has emerged as an important strategy to enhance access to high-quality skin care. is a provider-facing, web-based mobile app designed to integrate into the existing teledermatology workflow in the US Veterans Health Administration (VHA). In this study, we will conduct a systematic evaluation of on access outcomes in VHA facilities using a pragmatic trial guided by clinical and operational leaders.

High-Intensity Focused Ultrasound Ablation Therapy of Gliomas.

Ultrasound in clinical medicine is most commonly associated with imaging, but can be harnessed to yield an array of biological effects, including thermal ablation of brain tumors. Therapeutic ultrasound has been studied for many years, but only within the last decade has the technology reached a point where it is safe and practical for clinical adoption. Using large, multi-element arrays, ultrasound can be focused through the skull, and combined with MRI for image guidance and real-time thermometry, to crea...

Positive psychotherapy for smoking cessation enhanced with text messaging: Protocol for a randomized controlled trial.

Despite reductions in cigarette smoking in the U.S., improvements in the efficacy of smoking cessation treatments are needed, as rates of sustained abstinence remain disappointingly low. Both low positive affect and high negative affect contribute to smoking relapse and constitute viable targets for smoking cessation interventions. Although some clinical trials have evaluated interventions to address depression as a smoking relapse risk factor, very few have focused on positive affect. Recently, we develope...

Acute effects of high-intensity interval, resistance or combined exercise protocols on testosterone - cortisol responses in inactive overweight individuals.

The purpose of this study was to compare the hormonal responses to one session of high-intensity interval training (HIIT, 4 × 4 min intervals at 85-95% maximum heart rate [HRmax], interspersed with 4 min of recovery at 75-85% HRmax), resistance training (RT at 50-70% of one repetition maximum 12-15 repetitions per set with 60s of recovery) or both (HIIT+RT) exercise protocol in a cohort of physical inactivity, overweight adults (age 18-30 years old). Randomized, parallel-group clinical trial amon...

Predicting Lesion Size by Accumulated Thermal Dose in MR-Guided Focused Ultrasound for Essential Tremor.

To correlate the accumulated thermal dose (ATD) with lesion size in magnetic resonance (MR)-guided focused ultrasound (MRgFUS) thalamotomy to help guide future clinical treatments.

Determining optimal poststroke exercise: Study protocol for a randomized controlled trial investigating therapeutic intensity and dose on functional recovery during stroke inpatient rehabilitation.

Rationale A top priority in stroke rehabilitation research is determining the appropriate exercise dose to optimize recovery. Although more intensive rehabilitation very early after stroke may be deleterious to recovery, inpatient rehabilitation, occurring after acute care, may be a more appropriate setting to assess therapeutic dose on neurological recovery. Hypothesis Individuals receiving higher intensity and dose exercise programs will yield greater improvements in walking ability over usual inpatient p...

The effectiveness of high-intensity CBT and counselling alone and following low-intensity CBT: a reanalysis of the 2nd UK National Audit of Psychological Therapies data.

A previously published article in this journal reported the service effects from 103 services within the UK Improving Access to Psychological Therapies (IAPT) initiative and the comparative effectiveness of CBT and Counselling provision. All patients received High-intensity CBT or High-intensity Counselling, but some also received Low-intensity CBT before being stepped-up to High intensity treatments. The report did not distinguish between patients who received low-intensity CBT before being stepped-up. Thi...

A Bayesian design for phase I cancer therapeutic vaccine trials.

Phase I clinical trials are the first step in drug development to test a new drug or drug combination on humans. Typical designs of Phase I trials use toxicity as the primary endpoint and aim to find the maximum tolerable dosage. However, these designs are poorly applicable for the development of cancer therapeutic vaccines because the expected safety concerns for these vaccines are not as much as cytotoxic agents. The primary objectives of a cancer therapeutic vaccine phase I trial thus often include deter...

Low-frequency electrical stimulation with variable intensity preserves torque.

The neuromuscular electrical stimulation (NMES) parameters that optimally modulate torque output during prolonged stimulation protocols are not well-established. The purpose of this study was to compare torque output between low-frequency and high-frequency NMES protocols while increasing stimulation intensity. Eleven healthy young individuals received a repetitive, intermittent low-frequency (20 Hz) and high-frequency (60 Hz) NMES over the quadriceps muscles. Stimulation intensity was increased through...

Dexmedetomidine Sedation in Magnetic Resonance-Guided Focused Ultrasound Thalamotomy: A Case Series of 3 Patients.

Magnetic resonance-guided focused ultrasound thalamotomy is an innovative minimally invasive treatment for medication-resistant tremor in patients with essential tremor and Parkinson disease. Sedation with common hypnotic agents is discouraged because the patient's cooperation is required during the procedure, and these drugs interact with the patient's tremor, interfering with the results of intraprocedural neurological evaluations. Dexmedetomidine may be the best choice for sedation during magnetic resona...

Effects of High-Intensity Inspiratory Muscle Training Associated with Aerobic Exercise in Patients Undergoing CABG: Randomized Clinical Trial.

Evaluate the interaction between high-intensity inspiratory muscle training (IMT) and aerobic exercise on physical capacity, respiratory muscle strength, peripheral muscle strength, and quality of life of patients who underwent coronary artery bypass grafting (CABG).

High Cure Rates With Grazoprevir-Elbasvir With or Without Ribavirin Guided by Genotypic Resistance Testing Among Human Immunodeficiency Virus/Hepatitis C Virus-coinfected Men Who Have Sex With Men.

This study was performed to investigate the efficacy and safety of grazoprevir-elbasvir guided by baseline resistance-associated substitutions (RASs) in the Swiss HCVree Trial ( NCT02785666).

Antiretroviral concentrations in hair strongly predict virologic response in a large HIV treatment-naive clinical trial.

Hair concentrations of antiretrovirals are associated with virologic outcomes in cohorts of HIV-positive individuals but have never before been examined in a clinical trial. We show for the first time the predictive utility of hair antiretroviral concentrations in a large HIV treatment-naïve trial, AIDS Clinical Trials Group (ACTG) protocol A5257.

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