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.
Menopausal hormone therapy is appropriate to treat vasomotor symptoms in early menopause without contraindications. WHI evidence does not support routine supplementation with calcium plus vitamin D or a low-fat diet for preventing fractures and breast/colorectal cancer, respectively.
A randomized clinical trial of 3,020 patients with high-risk nonmetastatic breast cancer found daily aspirin therapy had no effect on breast cancer recurrence or survival in early follow-up. Aspirin should not be recommended as an adjuvant breast cancer treatment despite its potential benefits and wide availability
A systematic review and meta-analysis found no association between new-onset seizures and SARS-CoV-2 vaccination. The study included over 118,000 participants from randomized clinical trials and found the incidence proportion of new-onset seizures to be similar across vaccine recipients and unvaccinated participants.
Researchers identified 35-63 proteins affecting severe COVID-19, hospitalization, SARS-COV2 infection, and 4-32 proteins for healthspan and lifespan. Novel proteins involved in inflammation, immunity, apoptosis and metabolism were also found.
Administration of antenatal corticosteroids to late preterm babies was not linked to increased risk of neurodevelopmental problems by age 6. Long-term follow-up study suggests the medication may be safe for these high-risk infants.
A randomized clinical trial found self-administered acupressure to be efficacious and cost-effective in reducing knee pain and improving mobility in middle-aged and older adults with probable osteoarthritis. The treatment also showed significant benefits in terms of quality of life.
The randomized clinical trial demonstrates plozasiran's potential to reduce triglyceride levels in patients with severe hypertriglyceridemia. Additional studies are needed to determine its impact on complications associated with the condition.
A new study found that high-dose influenza vaccine significantly improved humoral response in patients with heart failure or prior myocardial infarction. Vaccination remains crucial in preventing influenza-related complications in high-risk populations.
A new study found that combining pelvic floor exercises with behavioral therapy can be more effective than current medical treatments in helping men with frequent urges to urinate. The Bladder Emptying Disorder Therapy (BEST) Trial showed significant improvements in symptoms and quality of life measures after just 12 weeks.
A systematic review of 41 randomized clinical trials suggests that late-stage cancer incidence can be a suitable alternative end point to cancer-specific mortality in some cancer types, but not others. This finding has implications for multicancer screening tests and may change the way these trials are designed.
A telephone-based strategy improved guideline-directed medical therapy rates for outpatients with heart failure by 30 days, offering a low-cost solution for rural settings with limited access to care. This study suggests the potential for expanded remote healthcare initiatives to address health disparities.
In a preliminary report from an ongoing clinical trial, prostate cancer screenings using PSA, Kallikrein Panel, and MRI detected higher rates of cancer compared to no screening. The study found one additional high-grade cancer per 196 men and one low-grade cancer per 909 men were detected in the screened group.
A new study found that inter-atrial shunts improve symptoms and outcomes in heart failure patients with reduced left ventricular ejection fraction (LVEF), but worsen outcomes in those with preserved LVEF. The device reduces high pressures in the left atrium, causing shortness of breath and hospitalizations.
A randomized clinical trial found that PSA screening compared to no routine screening resulted in a small reduction in prostate cancer deaths after 15 years. The absolute reduction in deaths was modest, but the finding suggests potential benefits of PSA screening.
Researchers from Karolinska Institutet show that post-COVID does not mean strict exercise avoidance. Patients with post-COVID can benefit from supervised exercise, with improved fitness and muscle strength found in those who participated.
Patients with post-COVID condition exhibit lower aerobic capacity and muscle strength compared to control groups, indicating potential benefits of cautious exercise regimens. The study highlights the need for personalized exercise recommendations to mitigate further skeletal muscle deconditioning in PCC patients.
Researchers from USC's Keck School of Medicine synthesized over 23,000 studies to inform updated clinical practice guidelines for ADHD. The comprehensive literature review found that both medications and psychosocial treatments work for treating ADHD and that children can and do get better.
A phase 3 trial co-led by a University of Cincinnati researcher found that subcutaneous levodopa delivery through an infusion pump is safe and effective in reducing symptoms for longer periods. The study resulted in almost two hours of additional 'on time' compared to traditional oral medication, paving the way for potential FDA approval.
A randomized clinical trial of 345 patients with mild-to-moderate COVID-19 found that viral load and symptom rebound were common after a standard 5-day course of antiviral treatment. Prolonging treatment duration may help reduce COVID-19 rebound
A multicenter randomized trial showed a paclitaxel-coated balloon to be superior to an uncoated balloon in preventing target lesion failure in patients with coronary in-stent restenosis. The study included 600 patients and demonstrated the effectiveness of paclitaxel-coated balloons as a treatment option.
A randomized clinical trial found that linkage case management intervention did not improve 12-month mortality outcomes for hospitalized people with HIV. The study involved 500 participants and sheds light on the potential role of this intervention among hospitalized individuals with HIV.
The latest American Psychiatric Association journals feature new treatments across the lifespan for anxiety, depression, and substance use disorder. The March issue of The American Journal of Psychiatry highlights several studies with these findings.
After 7 to 12 years of follow-up, bariatric surgery outperformed medical/lifestyle intervention in achieving superior glycemic control with reduced medication use and higher rates of diabetes remission. Individuals who underwent bariatric surgery had better long-term management of their type 2 diabetes.
A randomized clinical trial found acupuncture to be clinically efficacious and favorably affect PTSD symptoms in combat veterans. The study suggests that further research is needed to explore the efficacy and mechanisms of acupuncture for PTSD treatment.
In a phase 2 clinical trial, zilebesiran significantly reduced 24-hour mean ambulatory systolic blood pressure in adults with mild to moderate hypertension. The treatment was administered subcutaneously at varying doses and intervals, demonstrating its potential as an RNA interference therapeutic for managing hypertension.
A randomized clinical trial of 1,680 patients with acute ischemic stroke due to large-vessel occlusion found no significant improvement in disability with adjunctive methylprednisolone. The study suggests that methylprednisolone may not be effective as an adjunct therapy after endovascular thrombectomy for this patient population.
Intravenous thrombolysis (IVT) plus thrombectomy demonstrates significant benefits over thrombectomy alone when administered within a short timeframe after symptom onset. This study, based on individual participant data from six randomized clinical trials, found IVT before thrombectomy to be time-dependent and statistically significant.
A randomized clinical trial of 1,015 participants found that apixaban did not significantly reduce recurrent stroke risk compared to aspirin in patients with cryptogenic stroke and atrial cardiopathy. The study suggests that alternative treatments may be more effective for preventing stroke recurrence in these patients.
A randomized clinical trial of 336 patients with extensive ischemic stroke found that endovascular thrombectomy improved clinical outcomes across a range of infarct volumes. However, the treatment's effectiveness was limited by low enrollment rates among patients with minimal penumbra volume.
A study of over 1,700 adult patients found that gastric bypass and sleeve surgeries have few short-term complications and are equivalent in terms of risk. The results suggest that patients and doctors can choose between the two procedures without worrying about short-term surgical risks.
A randomized clinical trial compared the outcomes of laparoscopic sleeve gastrectomy and Roux-en-Y gastric bypass in 1,735 patients. The study found no clinically significant differences between the two procedures in terms of perioperative risk.
In a randomized clinical trial of 1,068 smokers, electronic cigarettes were shown to be as effective as varenicline in aiding smoking cessation, while being more effective than nicotine chewing gum. The study suggests that e-cigarettes may offer a viable alternative for quitting smoking with minimal behavioral support.
A groundbreaking new book in Chinese bridges the knowledge gap on Mendelian randomization, elevating study quality and enabling local researchers to benefit from its contents. The translation promises to facilitate high-quality studies, equip researchers with reliable results, and advance medical research.
A study published in PAIN found that exposure-based CBT and traditional CBT are equally effective in reducing symptoms of fibromyalgia. The study involved 274 participants with fibromyalgia and showed significant reductions in symptoms and functional impairment after 10-week treatment.
A large randomized study investigated the effect of preoperative, low-dose oral administration of midazolam in older patients on patient satisfaction and safety. No significant difference was found between midazolam and placebo groups regarding patient safety.
A multicenter randomized clinical vignette survey study found that AI models, when systematically biased, reduced diagnostic accuracy. The study involved hospitalist physicians, nurse practitioners, and physician assistants from 13 states.
A systematic review and meta-analysis of 15 clinical trials found daily tooth brushing may reduce hospital-acquired pneumonia rates by up to 50% in high-risk patients. This study suggests that widespread toothbrushing policies could save lives and reduce healthcare costs.
Using metformin plus insulin to treat preexisting type 2 or gestational diabetes diagnosed early in pregnancy did not show a reduction in composite neonatal adverse outcomes. The study suggests that the effect of reducing large-for-gestational-age infant risk after adding metformin to insulin warrants further investigation.
Continued treatment with tirzepatide maintained and augmented initial weight reduction in adults with obesity. Withdrawing tirzepatide led to substantial regain of lost weight in a randomized clinical trial involving 670 participants.
A study published in the Journal of Nursing Administration found that Transcendental Meditation significantly reduced PTSD, anxiety, and burnout in frontline nurses during the COVID-19 pandemic. The technique improved flourishing by 15% and decreased symptoms by more than half over a 3-month period.
A new study published in the American Journal of Clinical Nutrition suggests that taking cocoa extract supplements containing 500 mg of flavanols daily may improve cognitive function in older adults with lower habitual diet quality. In contrast, participants with healthy dietary patterns showed no cognitive benefits.
A randomized clinical trial found that Mindfulness-Oriented Recovery Enhancement (MORE) plus usual care significantly decreased drug use, pain, and depression in individuals with opioid use disorder and chronic pain. Participants who received MORE also showed increased methadone treatment retention and adherence.
Researchers aim to determine optimal duration and intensity of behavioral interventions for childhood obesity among rural and minority children. The five-year study, funded by the Patient-Centered Outcomes Research Institute, will enroll 900 parent-child pairs and compare different 'dosing' combinations of face-to-face intervention time.
A randomized clinical trial found that excluding aspirin from the antithrombotic regimen in LVAD patients improved adverse event rates by a significant reduction in non-surgical bleeding. The study results suggest that an aspirin-free regimen is safe and may improve longevity, morbidity, and quality of life for these patients.
A randomized clinical trial of 31,000 individuals found that direct-mail human papillomavirus (HPV) self-sampling increased cervical cancer screening by more than 14%. The study suggests that systems implementing HPV self-sampling should prioritize direct-mail outreach for under-screened individuals to increase screening adherence.
Researchers found that acoustic stimulation improved postconcussive symptoms in individuals with mild traumatic brain injury, although the benefits were largely sustained. The study's results suggest that listening to acoustic stimulation based on brain electrical activity may not improve symptoms more than randomly generated sound sti...
A comprehensive meta-analysis led by Dr. Micheal Sandbank reveals that many low-quality studies are driving intervention recommendations and patient outcomes in early childhood autism care. The study highlights the need for more rigorous research to understand the positive and negative effects of various interventions.
A systematic review of 13 randomized clinical trials found that app-based interventions are effective in treating moderate to severe depression. The study's findings support the use of mobile apps as a practical tool for clinical practice.
A randomized clinical trial of 1,175 participants found that treatment with higher-dose fluvoxamine did not improve time to sustained recovery in outpatients with mild to moderate COVID-19. The study compared fluvoxamine 100 mg twice daily for 13 days to placebo.
A randomized clinical trial of 2,858 patients with new-onset and worsening chronic heart failure shows that torsemide and furosemide have no significant difference in clinical or patient-reported outcomes at 12 months. Torsemide is associated with better outcomes for patients with de novo heart failure.
Patients with heart failure treated with dapagliflozin experienced frequent initial estimated glomerular filtration rate declines, but without increased cardiovascular or kidney event risks. The study suggests that sodium-glucose cotransporter-2 inhibitors can be safely continued in patients experiencing eGFR decline.
A single dose of zilebesiran safely and effectively lowered systolic blood pressure in people with mild-to-moderate high blood pressure for up to six months. The study found significant reductions in daytime and nighttime systolic blood pressure, as well as low rates of adverse events.
A randomized controlled trial suggests that a more liberal approach to red blood cell transfusions for heart attack patients with anemia may benefit outcomes without significant risk. The study found no statistically significant difference between two transfusion strategies, but results suggest a possible benefit of liberal transfusions.
A randomized clinical trial found that self-monitoring and physician-guided titration of antihypertensive medications reduced postpartum blood pressure compared to usual care. The study involved 220 participants in the UK and showed promising results for long-term blood pressure control.
A randomized clinical trial found that avoiding aspirin as part of an antithrombotic regimen reduces bleeding events without increasing thromboembolism risk in patients with advanced heart failure treated with left ventricular assist devices. The study suggests that aspirin avoidance may be a viable option for these patients.
A natural language processing model was validated to identify heart failure hospitalizations in a multicenter clinical trial, demonstrating its potential to improve the efficiency of future trials. The study suggests that natural language processing can be used at scale to identify clinical events, but further research is needed.
Patients with HER2-positive breast cancer that has spread to other parts of the body survive for longer if treated with pyrotinib. The new drug targets proteins involved in HER2-positive breast cancer and shows a 22% reduction in risk of death compared to lapatinib.
A recent study in JAMA Cardiology analyzed data from 15,000 patients and found that enteric coating on aspirin does not change its effectiveness or safety for secondary prevention of cardiovascular events. The study suggests that patients can choose the aspirin formulation that suits them best.
A novel multicomponent intervention aimed at improving patient access to kidney transplants did not significantly increase the rate of completed steps in a randomized clinical trial involving 20,375 patients. The study highlights the need for sustained efforts to address barriers to transplantation globally.
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.