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Filter by:Pulmonary NTM infection is recognized as one of the most challenging infections to treat among people with cystic fibrosis (PwCF), notable for prolonged treatment courses and often poor response to therapy. Positive cultures for NTM occur in about 20% of children and adults with cystic fibrosis (CF). However, the source of NTM infection, modes of transmission, and exposure risks are poorly understood. It is thought that NTM is primarily acquired from environmental sites including soil and water as well as water supply systems to homes, hospitals, and clinics and from aerosols generated by flowing water from taps, showers, and fountains. Nonetheless, no direct molecular link has been established between environmental NTM and respiratory CF NTM. Healthcare-associated transmission of NTM among CF patients has been suspected and is of growing concern for CF Centers worldwide. Widespread global transmission of NTM, potentially via person-to-person transmission of fomites and aerosols has been reported. The parent HALT NTM study developed and published a standardized epidemiologic outbreak toolkit for investigation of healthcare-associated NTM outbreaks in CF Care Centers. We are now moving to a prospective investigation, with the long-term goal of real-time early identification and mitigation of potential NTM outbreak investigations coupled with healthcare environmental sampling and home of residence watershed analysis of PwCF identified as belonging to an NTM cluster and receiving care at a single CF Care Center.
The goal of this randomized controlled clinical trial in asymptomatic individuals with risk factors for cardiovascular disease is to investigate whether a preventive treatment strategy guided by computed tomography coronary angiography (CTCA) provides a patient-centered approach, which ensures optimal protection against serious cardiovascular disease. The main question it aims to answer is: Does preventive treatment guided by CTCA reduce the risk of heart attacks or cardiovascular death as compared to using conventional cardiovascular risk scores. Participants will be randomized to preventive medical therapy and/or invasive intervention guided by either CTCA (intervention group) or Systematic COronary Risk Evaluation (SCORE) 2 model for cardiovascular risk prediction (control group).
To compare the alignment efficiency of conventional NiTi arch wire to Thermal and Super elastic NiTi arch wires.
Our aim is to develop an AI based tool to use ultra-low dose CT in two separate energy levels using a single-energy CT machine to quantify liver fat in individuals at risk for having non-alcoholic fatty liver disease (NAFLD), compared to MRI which serves as the standard of reference. Secondary aim of our study is to validate the developed artificial intelligence (AI)-based model on a second group of participants ("external validation").
The goal of this double-blind randomized, placebo-controlled cross-over trial is to evaluate the effectiveness of GerenylGeranylAcetone (GGA) in patients with Heart Failure with a preserved ejection fraction. The main questions it aims to answer are: - What is the effect of GGA on diastolic function? - What is the effect of GGA on endothelial function? Main study tasks: - Participants will be treated with either GGA or placebo for 13 weeks. After this they will have a break (wash-out) period for 6 weeks and then cross over to the other study arm. - Cardiac function will be measured using echocardiogram in all participants - Renal measurements and endothelial measurements will be performed on the participants. - Participants will perform a 5 minute walking distance test for functional capacity. - Participants will fill out questionnaires to score signs & symptoms. Researchers will compare the patients to themselves to see if the drug improves diastolic- and endothelial function.
Veterans with traumatic brain injury (TBI) frequently experience insomnia, which is linked with delayed TBI recovery, more severe functional impairment, and exacerbation of disabling TBI after-effects such as depression, chronic pain, and fatigue. Current research suggests that TBI can impact numerous systems involved in sleep, suggesting that insomnia can have various causes and that a "one-size-fits-all" approach to treatment is likely inadequate. As such, it is necessary to determine which Veterans may benefit from standard evidence-based treatments, such as Cognitive Behavior Therapy for Insomnia, and which may require enhanced treatments targeting specific underlying mechanisms. An emerging body of evidence has established a link between circadian rhythm disruption and post-TBI insomnia. A mismatch between circadian and desired sleep timing (i.e., "circadian misalignment") is common following TBI, as evidenced by disruptions of key circadian rhythms involved in sleep regulation (e.g., melatonin production), as well as the onset of circadian rhythm sleep-wake disorders. Importantly, circadian-driven sleep disturbances require specialized treatments that target circadian rhythms (i.e., "chronotherapies"), such as timed sleep windows or enhanced light exposure, as standard treatment approaches can fail to address or even exacerbate the underlying circadian misalignment. Thus, circadian misalignment represents a novel and modifiable treatment target and has the potential to improve functional outcomes in Veterans with TBI and insomnia. Detection of circadian misalignment and optimal use of chronotherapies require the ability to measure circadian phase (i.e., timing of the central circadian clock). However, current sleep medicine in TBI is hampered by a lack of pragmatic options for measuring circadian phase. This is because laboratory dim light melatonin onset (DLMO), the gold standard measure of circadian phase, is time and cost prohibitive, requiring specialized sample (e.g., saliva) collection facilities and placing substantial burden on the patient. Recently, novel methods of DLMO measurement have been developed that may enhance the accessibility and practicality of circadian phase assessment, although, as of yet, they have not been used in Veterans with TBI. The proposed single-arm, longitudinal study seeks to evaluate the feasibility of two methods of measuring DLMO in the home environment of Veterans with TBI and insomnia: 1) direct measurement of self-collected salivary melatonin; and 2) indirect estimation of DLMO using activity and light-exposure data collected through actigraphy. Additionally, this study seeks to explore the relationships between circadian misalignment, sleep disturbance, and functional impairment in Veterans with TBI. The specific aims of this study are to: Aim 1) evaluate the feasibility of two methods of home DLMO measurement (i.e., self-collected salivary melatonin and actigraphy data) in Veterans with TBI and insomnia; and Aim 2) examine associations between circadian misalignment (i.e., the difference in timing between DLMO and attempted sleep onset), sleep disturbance, and functional impairment. Veterans with TBI and insomnia will be asked to wear a wrist-based actigraphy device for one week, which will collect data on light exposure and sleep-wake states. They will then be asked to self-collect seven hourly saliva samples under dim light conditions in their own home and mail them to a testing facility using a provided pre-paid shipping label. Saliva samples will be used to directly measure DLMO and actigraphy data will be used to indirectly estimate DLMO using established mathematical models of the human circadian pacemaker. Evaluating the feasibility of home DLMO measurement is a crucial first step for enhancing precision sleep medicine for Veterans with TBI and insomnia. Findings will inform the development and testing of tailored sleep interventions for use with this patient population.
Guideline recommended evidence-based clinical care correlates with improved patient outcomes. In real life care, however, adherence to guideline recommendations remains suboptimal. In real life, patients may receive suboptimal treatment and as a result treatment targets are not always met. To support and improve secondary prevention for cardiovascular disease, PENELOPE and PENELOPE-CTRL are designed to support guideline implementation on lipid management and provide valuable feedback to care-givers on real world data.
This study will recruit women scheduled to undergo vaginal apical suspension surgery (either uterosacral ligament suspension or sacrospinous ligament fixation) with or without other prolapse or anti-incontinence procedures. Participants will be randomized 1:1 to preoperative gabapentin or preoperative placebo (both patients and investigators will be blinded). Note the control group will receive preoperative acetaminophen/celecoxib/placebo and the treatment group will receive preoperative acetaminophen/celecoxib/gabapentin (preoperative acetaminophen/celecoxib are part of our current ERAS protocol). The primary outcome will be postoperative opioid use in the first 24 hours postoperatively measured in morphine milligram equivalents.
Cytomegalovirus (CMV) remains a significant cause of morbidity and mortality after hematopoietic stem cell transplantation (HSCT). The course and outcome of CMV infection are different clinically, and the mechanism of CMV infection after transplantation has not been clarified. Reconstitution of cellular immunity after HSCT is a critical determinant of the control of CMV infection. Investigators will dynamically monitor the CMV-specific cellular immune reconstitution after HSCT，and analyze the clinical factors and therapy strategies affecting recovery of CMV-specific immunity during 1 year after HSCT.
A long-term follow-up study to assess safety and efficacy in patients previously treated with Mustang Bio chimeric antigen receptor (CAR)-T cell investigational products.