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We list hundreds of Clinical Trials about "helix inversion mechanism double stranded helical oligomers bridged" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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The investigators will check the serum of epilepsy patients for antibodies against glutamate receptors and double stranded DNA. They will characterise the patients (by the kind of epilepsy, autoimmune disease comorbidity, and cognitive profile).
This study randomises patients with venous leg ulcers, to be managed either using conventional compression bandages or a bridged vacuum assisted closure system under compression.
To assess the safety and efficacy of a single fraction of radiotherapy using helical tomotherapy to treat bone metastases.
Systemic Lupus Erythematosus (SLE) is a chronic autoimmune disease in which the body's immune system attacks different parts of the body. SLE is characterized by inflammation that leads to tissue damage in different organ systems. Any organ system may be involved, including the skin, the joints, the kidneys, the nervous system, the heart, the lungs, and the blood. The exact cause of SLE is not known. Patients with SLE often have elevated levels of anti-double stranded DNA a...
Study on 'The Use of Non-Contrast Helical Computerized Tomogram in Predicting Treatment Outcomes of Upper Ureteric Stone by Extracorporeal Shock Wave Lithotripsy Using the Sonolith 4000+ Lithotripter'
The purpose of this research is to assess the role of non-contrast helical computerized tomogram in predicting the treatment outcome of upper ureteric stone by extracorporeal shock wave lithotripsy (ESWL).
Radiation therapy is one of the standard treatments for men with prostate cancer. Moderately hypofractionated radiotherapy has been established to be equivalent to standard fractionated radiotherapy in several large randomized clinical trials, however different hypofractionated regimens have been used in these studies. The two most common hypofractionated regimens are 70 Gy in 28 fractions and 60 Gy in 20 fractions, both are considered standard of care, however it is not unknow...
Acqua GM (Grand Morse) Helix implants present an optimized implant design with adapted treatment protocol, allowing for treatment of patients with different bone qualities. The objective of the study is to prospectively collect clinical data to confirm the long-term safety and clinical performance of Acqua GM Helix implants and GM prosthetic abutments in daily dental practice setting, by means of success and survival rates of these devices. Devices will be used according to s...
RATIONALE: Screening tests may help doctors detect cancer cells early and plan more effective treatment for lung cancer. It is not yet known whether helical computed tomography is more effective than chest x-ray in detecting lung cancer. PURPOSE: Randomized clinical trial to compare the effectiveness of helical computed tomography with that of chest x-ray in screening individuals who are at high risk for lung cancer.
This study evaluates the rate of cut-out and fixation failures in helical blade fixation versus lag screw fixation for cephalomedullary nailing of peritrochanteric femur fractures.
Radiation treatment is often used to treat cancer that has spread to the abdomen. It can be very effective at relieving symptoms such as pain, but the radiotherapy itself can cause side-effects such as cramping and diarrhea. This study will investigate whether it is possible to reduce the unwanted side-effects of radiotherapy with a new technology called "helical tomotherapy". Tomotherapy is a new way to deliver radiation in a much more accurate fashion than is currently done, ...
The main hypothesis for this study is that the diagnostic approach of pulmonary embolism (PE) by evaluation of clinical probability, D-dimer test dosage and multi-detector helical computed tomography (hCT) is as safe as the classical "approach" using clinical probability, D-dimer test, lower limb compression ultrasonography and multi-detector helical computed tomography. The second hypothesis involves evaluating the role of searching distal, i.e. infrapopliteal, deep ve...
The investigators sought to evaluate the morphological and functional changes and prognosis of participants with unexplainable precordial deep T-wave inversion on ECG and with apical thickness less than 15mm. The conduction of this study was largely due to the increased clinical requirement, which reflected the increased awareness among physicians of missed AHCM.
This study aims to assess the interest of 3D Phase Sensitive Inversion Recuperation (PSIR)sequence in the MRI detection of spinal cord lesion. It will compare the sensitivity of this MRI sequence compared to the T1 and T2 sequences recommended in the assessment of neuraxis inflammatory diseases.
The purpose of this study is to determine whether SYL1001 ophthalmic solution is safe and effective in the treatment of signs and symptoms of Dry Eye Disease.
Sleep-Wake and behavioral disorders in Smith Magenis Syndrome (SMS) are strongly linked to an inversion of the nychtemeral secretion of melatonin. This inversion have been described in children with SMS. However its evolution during adulthood remains unknown. The aim of this study is to assess 24hours melatonin levels in 10 adults with SMS in order to optimize medication in adults with SMS
This clinical trial studies how well helical computed tomography (CT), positron emission tomography (PET)/CT, magnetic resonance imaging (MRI), and cone beam computed tomography (CBCT) work alone or in combination in predicting whether tumor cells have spread to the jaw bone (jaw invasion) in patients with oral cancer. Imaging, such as helical CT, PET/CT, MRI, and CBCT, may help find out how far cancer has spread. Accurate prediction of the presence or absence of jaw invasion m...
In this study we are comparing two forms of radiotherapy. This study is being done because it is not clear at present time whether intensity modulated radiotherapy (IMRT) can reduce side effects of radiotherapy compared to standard radiotherapy (called 3D-Conformal Radiotherapy).
The purpose of this study is to determine whether a new technique of radiotherapy for breast cancer (helical tomotherapy) can induce cardiac toxicity that would be detected in the first two years after treatment. Screening of subclinical cardiac lesions with non-invasive cardiac imaging techniques combined with measures of circulating biomarkers of cardiac tissue lesions and coronary lesions would allow assessing radiation-induced cardiac toxicity at an early stage.
Dental model cast accuracy can be affected by many variables as tray material, impression material and time elapsed before pouring the impression. All these factors would affect the accuracy of the surgical guide Impression inversion with markers technique avoids the dimension changes that may happen from pouring of the dental model cast. Also it saves time as no need for optical scan of the model cast and for scan appliance even in cases of multiple restoration. Adding marker...
This study measures circulating, misfolded ATTR oligomers in asymptomatic ATTRm amyloidosis genetic carriers longitudinally over five years.
The goal of this study is evaluate the effect of uni-axial versus multidirectional balance training on muscle reaction time in subjects with chronic ankle instability. Muscle reaction time is measured on a trapdoor simulating an inversion sprain before and after a 6 week lasting balance training protocol.
Research has shown that treatment with conventional radiation techniques and chemotherapy following mastectomy or breast conserving surgery has resulted in better rates of locoregional control and overall survival in stage IIB-III breast cancer. The current feasibility trial using the most recent advance in radiation therapy, namely helical tomotherapy intensity modulated radiation therapy (HT-IMRT), hopes to improve on the results of conventional radiation by decreasing the am...
Historically, patients with stage III and IV head and neck cancer have been treated with surgery and/or radiation therapy. Based on the results of recent clinical trials, in patients not able to undergo surgery, chemotherapy with radiation therapy has been adopted as the current standard of care. The chemo-radiation approach, however, entails a significant increase in treatment-related toxicity, limiting the extent to which this treatment can be offered to patients. In this tr...
EGCG has shown a neuroprotective effect in cell-experimental and animal studies. The neuroprotective mechanism of EGCG probably bases - besides the known antioxidant effect - amongst others on the modulation of several signal transduction pathways, the influence on the expression of genes which regulate cell survival resp. programmed cell death, as well as the modulation of the mitochondrial function. In different Alzheimer models EGCG seems to cause an induction of alpha-secre...
The purpose of this study is to evaluate the clinical efficacy of blisibimod as measured by a composite responder index in subjects who, despite corticosteroid use, continue to have seropositive, clinically-active Systemic Lupus Erythematosus (SLE) as defined by SELENA-SLEDAI score ≥10, and positive for anti-double stranded DNA and low complement (C3 or C4).