Articles tagged with Randomization
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A randomized clinical trial of 524 trauma patients found that adding sigh breaths to mechanical ventilation did not increase ventilator-free days. However, prespecified secondary data suggest that sighs are well-tolerated and may improve clinical outcomes in this patient population.
Researchers found no significant improvement in primary composite outcomes, including organ support-free days and hospital survival, among hospitalized patients with COVID-19 who received intravenous vitamin C. The study suggests that vitamin C treatment may not be effective in improving patient outcomes for this population.
Tongxinluo significantly improved 30-day and 1-year clinical outcomes in STEMI patients, according to a randomized clinical trial. Further research is needed to understand its mechanism of action.
A phase III pivotal trial evaluating cabozantinib in advanced neuroendocrine tumors demonstrated significant improvements in median progression-free survival (PFS) compared to placebo. The study met its primary objective for both cohorts of patients, providing encouraging news for those with progressive disease.
A randomized clinical trial found that high-frequency electrical stimulation device reduced opioid use and prescribed opioids after cesarean delivery, suggesting a potential adjunct to decrease opioid use without compromising pain control.
A randomized clinical trial found that cefepime increased neurological dysfunction in adults hospitalized with acute infection, while piperacillin-tazobactam did not. The study involved 2,511 participants and suggested that cefepime may be associated with adverse outcomes.
Researchers conducted a randomized trial in Canadian ICUs, finding that switching to small-volume blood collection tubes lowered red blood cell transfusion rates. The study suggests this change may improve patient outcomes and reduce the need for transfusions.
A recent human study found that grape consumption improved key markers of eye health in older adults, including increased Macular Pigment Optical Density (MPOD) and reduced AGEs. Regular grape intake was also shown to increase plasma antioxidant capacity and total phenolic content.
A Phase IIIb study published in the New England Journal of Medicine found that esketamine nasal spray achieved higher remission rates (27.1%) compared to quetiapine extended-release (17.6%) in patients with treatment-resistant depression, indicating its potential as a targeted therapy for this population.
A post hoc analysis of 10,678 participants with atherosclerotic cardiovascular disease found no significant difference in heart attack, stroke, or death risk between enteric-coated and uncoated aspirin. Enteric-coated aspirin may offer reduced bleeding risk, but more research is needed to confirm its benefits.
A randomized clinical trial found that early metformin treatment did not improve insulin initiation or fasting glucose levels in pregnant women with gestational diabetes. Further investigation into larger trials is warranted based on prespecified secondary outcome data.
In a randomized clinical trial, weekly tirzepatide showed greater reductions in HbA1c levels and body weight compared to prandial insulin as an additional treatment in people with inadequately controlled type 2 diabetes. The study also found less hypoglycemia with tirzepatide.
Men with metastatic prostate cancer in Sweden experienced an average survival rate increase of six months after dual treatment was introduced from 2016 onwards. This improvement coincides with the gradual rollout of 'dual treatment', combining standard hormone therapy and chemotherapy or androgen receptor blockers.
A phase III trial suggests that fewer and higher doses of radiation therapy delivered over five sessions are as effective as lower doses delivered over several weeks for patients with locally advanced disease. The treatment achieved a 96% five-year disease control rate, comparable to 95% for conventional radiation.
A Michigan Medicine-led report found that adding a mobile health application to wearable devices did not significantly improve physical activity levels in patients enrolled in cardiac rehabilitation. However, some short-term outcomes showed an increase in walking distance over six minutes for Fitbit users.
A randomized clinical trial shows cognitive-behavioral therapy (CBT) reduces fibromyalgia pain and improves daily living. CBT alters brain connectivity to reduce catastrophizing, a key contributor to fibromyalgia symptoms.
A dose-response meta-analysis of nine randomized trials found gefapixant to improve cough frequency, severity, and quality of life. However, it also led to increased taste-related adverse events compared to placebo.
A study of nearly 500,000 participants found that smoking shortens telomere length in white blood cells, a indicator of aging and cell regeneration. The more cigarettes smoked, the stronger the shortening effect, suggesting a link between smoking and accelerated aging.
In a randomized clinical trial, lorundrostat effectively lowered blood pressure in individuals with uncontrolled hypertension compared to placebo. The study included 200 participants and will require further confirmation.
A randomized clinical trial found immediate testosterone therapy significantly reduced gender dysphoria, depression, and suicidality in transgender and gender-diverse individuals. The study included 64 participants and compared immediate testosterone therapy to no treatment.
A randomized clinical trial of psilocybin treatment found a clinically significant sustained reduction in depressive symptoms and functional disability. The study's findings support the potential of psilocybin as a novel intervention for major depressive disorder when administered with psychological support.
A systematic review and meta-analysis of 18 clinical trials involving 2.1 million individuals found no significant lifetime gain from common cancer screening tests. However, colorectal cancer screening with sigmoidoscopy may have a potential benefit, according to the study.
A randomized clinical trial found that a preoperative augmented reality walkthrough decreased preoperative anxiety compared to traditional education and handouts. However, there was no significant impact on postoperative anxiety, pain levels, or narcotic use in patients undergoing surgery.
A network meta-analysis found that breathing training combined with aerobic exercise, and yoga training, enhance lung function in adults with asthma. The study highlights the importance of integrating appropriate exercise training into asthma management plans.
A randomized clinical trial found that exercise significantly reduced depressive symptoms and burnout in healthcare workers, while improving mental health. However, low adherence to exercise programming was noted towards the end of the study.
The study found that receiving videos or reminders increased consumption of media content about the issue, increased knowledge about available resources, and reported use of some resources in response to violence. However, long-term attitudes towards gender and marital equity remained unchanged.
A randomized crossover trial involving 195 adults showed that using a regular cuff size resulted in inaccurate BP readings. The study emphasizes the need for individualized cuff selection to ensure accurate blood pressure measurements.
A new statistical tool, two-step synthetic control, allows managers and policymakers to estimate effects they previously couldn't accurately. The study found that this method estimated a more modest increase in weekly tampon sales after New York's repeal, better matching actual sales figures.
A secondary analysis of a randomized clinical trial found that exercise can significantly reduce symptoms of chemotherapy-induced peripheral neuropathy (CIPN) in ovarian cancer survivors. Incorporating exercise programs into standard oncology care may improve quality of life for these patients.
A new study published in The New England Journal of Medicine found that the MIND diet had a significant improvement in cognition during the first two years, but no significant difference in three-year changes. The study enrolled 604 people with suboptimal diets and family history of Alzheimer's disease.
A study found that taking more daily steps improves symptoms and physical limitations for people with heart failure, with little association seen beyond 5,000 steps. Participants who increased their step counts experienced improved symptom control and physical function.
A secondary analysis of a randomized clinical trial found that daily low-dose aspirin increases the risk of intracranial bleeding in healthy older adults, but does not reduce ischemic stroke risk. The study's findings have particular relevance to individuals prone to developing intracranial bleeding after head trauma.
Researchers found that a combination of exercise and cognitive training significantly improved cognition in adults with mild cognitive impairment. Vitamin D supplementation had no impact on cognitive function.
In a phase 3 clinical trial, donanemab significantly slowed clinical progression in patients with low/medium tau and high tau pathology. The treatment cleared brain amyloid plaque, demonstrating its potential to slow Alzheimer disease progression.
Researchers investigated the effects of meditation training and non-native language training on cognition in older adults. Despite initial expectations, these interventions failed to demonstrate salutary cognitive effects, casting doubt on their potential as a preventative measure for aging-related decline.
A randomized clinical trial found that low-dose atropine eye drops did not slow myopia progression or axial elongation in US school-age children. The results suggest that atropine, 0.01%, eye drops are not effective for controlling myopia in this population.
A randomized clinical trial found that treatment with these biologics showed no significant difference in time to recovery compared to placebo for patients hospitalized with COVID-19 pneumonia. The study's results suggest that alternative treatments may be needed for this patient population.
Researchers examined almost 600 families and found that children from disadvantaged families struggle to accurately assess their abilities. A mentoring program improved their self-assessment skills, leading to better life outcomes.
A randomized controlled trial found that time-restricted eating produced similar weight loss results to traditional calorie counting in a racially diverse population of adults with obesity. Participants who engaged in 8-hour time-restricted eating had improved insulin sensitivity compared to those in the control group.
A randomized phase II study found that adding metformin to androgen deprivation therapy did not reduce the risk of metabolic syndrome or improve PSA response in patients with advanced prostate cancer. Metformin showed some antitumor effects through mTOR inhibition, but these were not significant.
A retrospective study found a 24% response rate to Docetaxel among patients with stage IV non-small cell lung cancer who experienced progression on immunotherapy. The median progression-free survival was 3 months, suggesting chemotherapy may still play an important role in treatment after immunotherapy failure.
A randomized clinical trial found that peer health coaching improved mental health-related quality of life in veterans with cardiovascular disease risks. The study suggests a peer-support model integrated into primary care can lead to well-being improvements beyond blood pressure control.
A supervised hospital walking program has been shown to reduce nursing facility admissions for older adults by lowering the proportion of patients discharged to skilled nursing facilities from 13% to 8%. However, low participation rates and limited impact on length of stay or inpatient falls were noted.
A randomized clinical trial suggests that low-dose atropine may provide a treatment option for childhood myopia progression. The study observed a significant reduction in myopia progression over 3 years.
A Canadian study found that eliminating out-of-pocket medication expenses for patients with cost-related nonadherence results in lower healthcare spending over three years. The analysis suggests that reducing medication costs could lead to significant savings in the overall healthcare system.
A new study published in the European Heart Journal found that plant-based diets can play a significant role in reducing blocked arteries and lowering the risk of heart and blood vessel diseases. The analysis of 30 randomised trials with over 2,300 participants showed a 14% reduction in artery-clogging lipoproteins.
The TWILIGHT trial found ticagrelor monotherapy after PCI to have a similar risk of repeat revascularization and MACCE compared to dual antiplatelet therapy. Ticagrelor monotherapy was also associated with lower NACE and clinically-driven revascularization risk.
A phase IIb trial found brepocitinib superior to placebo in reducing signs and symptoms of psoriatic arthritis after 16 weeks. Response rates were maintained or improved through week 52, with mostly mild or moderate side effects.
A recent clinical trial, PLATO, demonstrated that lowering the dose and duration of radiotherapy treatments for anal cancer reduces side effects without compromising cancer cure rates. The treatment involves intensity modulated radiotherapy (IMRT), which allows for personalized doses to be applied to visible tumors.
A new commentary from infectious disease experts emphasizes the importance of continued masking in healthcare settings due to low evidence of efficacy and high transmission risks. Despite recent conflicting views, the authors argue that mask-wearing remains a crucial strategy for infection prevention.
A study by UMC Utrecht shows that corona patients can measure their blood oxygen levels at home using a pulse oximeter, feeling safe and experiencing more control. This method does not increase GP visits or hospitalization but contributes to relieving caregivers and keeping healthcare affordable.
A randomized controlled experiment involving 26,911 students at 22 diverse U.S. universities found that a low-cost online social-belonging intervention increased the rate of students completing their first year as full-time students, particularly among historically underrepresented groups. The study demonstrates the efficacy of this in...
A randomized clinical trial found that community health workers in early childhood well-child care teams improved receipt of preventive care services compared to usual care. The intervention resulted in better outcomes for Medicaid-insured children, highlighting the potential benefits of team-based approaches to healthcare.
A study comparing physician and AI chatbot responses found chatbots excelled in both quality and empathy, while physicians were preferred for their nuanced understanding. The findings suggest that integrating chatbots into clinical settings could improve response quality and reduce clinician burnout.
The NVX-CoV2373 vaccine demonstrated strong safety and immunogenicity profiles in a clinical trial of over 2,200 adolescents. The study found the vaccine to be efficacious in preventing COVID-19, including the Delta variant.
A growing number of states have implemented policies to cover outpatient hemodialysis for undocumented immigrants with kidney failure. This expansion may be due to increased awareness of poor outcomes with emergency hemodialysis and advocacy efforts. The move towards covering dialysis in all 50 states is called for by experts, who also...
Researchers found that removing ovaries during a benign hysterectomy increases the risk of hospitalization for cardiovascular disease in premenopausal women, but not necessarily for cancer. The study supports current recommendations to conserve ovaries in premenopausal patients at low risk for ovarian cancer.
A randomized clinical trial found that using smartphone apps for home monitoring after oncologic surgery leads to improved quality of recovery and equal patient satisfaction. The study compared this approach with conventional in-person follow-up, revealing no significant differences in these outcomes.
A study of over 43,000 adults found that parathyroidectomy has no estimated effect on long-term kidney function in older adults. However, early treatment may preserve kidney function in patients younger than 60 years old.
A randomized clinical trial found that anakinra did not prevent mechanical ventilation or reduce mortality risk in hospitalized patients with severe COVID-19 pneumonia. Future research is needed to assess anakinra in less severe cases.