Articles tagged with Randomization
A large randomized study found that a short period of bed rest after intrauterine insemination has no beneficial effect on pregnancy rates, contrary to previous small studies. The results suggest that immobilization after IUI may even hinder fertility in some cases, rendering recommendations for prolonged bed rest obsolete.
A phase III trial found that chemoradiotherapy after surgery for gastric cancer (GC) does not achieve better outcomes than post-operative chemotherapy. The study, which involved 788 patients, showed equivalent five-year survival rates of 40.8% in both treatment arms.
A new clinical trial shows that modulating brain plasticity can partially restore vision in patients with glaucoma and optic nerve damage after 10 days of noninvasive stimulation. The treatment improved visual acuity, reading, mobility, and orientation, with benefits stable two months later.
Researchers found that exposure to triclosan through household products did not significantly affect the gut or oral microbiome. The study, published in mSphere, suggests that people can safely use triclosan-containing toothpaste without worrying about its impact on their microbiome.
A randomized controlled trial found that additional palliative care support did not reduce symptoms of anxiety, depression, or PTSD in family caregivers. Instead, effective communication by ICU physicians was associated with high family satisfaction and quality of care.
A new long-acting cardioplegia solution has been shown to reduce cardiopulmonary bypass times and aortic cross-clamp durations, leading to faster recovery times and shorter ICU stays. The study found improved postoperative cardiac function and reduced morbidity in pediatric patients undergoing heart surgery.
A randomized study found that motivational interviewing-based health coaching reduced COPD-related readmission rates by 7.5% in the first month and 11% at 3 months post-discharge, leading to improved disease-specific quality of life.
A randomized controlled trial found online computerized cognitive behavioral therapy (CCBT) to be an effective treatment for anxiety and depression. The study, led by the University of Pittsburgh, showed that CCBT programs can provide significant improvements in mood and anxiety symptoms, even when used alone or in combination with int...
A randomized study found that chemoradiotherapy did not improve overall survival compared to chemotherapy in patients with locally advanced pancreatic cancer, contradicting prior expectations. The study also showed no significant difference between gemcitabine and gemcitabine plus erlotinib treatments.
A study published in JAMA found that a multifaceted quality improvement intervention involving daily checklists and clinician prompting did not reduce in-hospital mortality among critically ill patients in ICUs. The intervention improved adherence to guidelines, reduced infections, and clinical outcomes, but its impact on mortality was...
The Society for Maternal-Fetal Medicine recommends the use of antenatal corticosteroids to improve outcomes for babies at risk of preterm birth in the late preterm period. The recommendations are based on a randomized trial that found significant benefits in reducing neonatal respiratory complications and other adverse outcomes.
The American Heart Association recommends a wearable automatic defibrillator as an option for patients at risk of sudden cardiac death due to erratic heart rhythms. This device can provide a short-term alternative to an ICD and is especially suitable for patients who cannot undergo surgery.
A study published in JAMA found that mindfulness-based stress reduction (MBSR) and cognitive behavioral therapy resulted in greater improvement in back pain and functional limitations compared to usual care. MBSR focused on increasing awareness of moment-to-moment experiences, including physical discomfort and difficult emotions.
Researchers found that integrating motivational interviewing (MI) with cognitive behavioral therapy (CBT) improves long-term patient improvement rates for severe generalized anxiety disorder. MI helps patients address ambivalence and resistance, leading to better outcomes over a one-year follow-up period.
A new Canadian guideline recommends fecal occult blood testing (FOBT) every two years or flexible sigmoidoscopy every 10 years for routine screening of colorectal cancer in asymptomatic, low-risk adults aged 50-74. The guideline also recommends against colonoscopy as a primary screening tool, citing lack of direct evidence.
Researchers found a 33% reduction in malnutrition incidence when children were given ready-to-use therapeutic food, compared to control groups. Supplementation with micronutrients showed no significant benefit.
A new study found that Taser shocks can impair cognitive functioning, including memory and processing information. The research suggests that suspects may not be able to waive their Miranda rights after being Tased, leading to questions about the timing of police interrogations.
A University of Missouri researcher found only 10 clinical trials conducted in U.S. hospices since 1985, highlighting a need for more evidence-based care.
A randomized clinical trial found that high-flavanol chocolate improved uterine artery Doppler pulsatility index but did not decrease the risk of preeclampsia or improve placental weight. The results suggest that flavanol content may not be the sole factor behind chocolate's effects during pregnancy.
Researchers found that adding azithromycin to standard antibiotics reduced post-C-section delivery infections and severe adverse events in high-risk women. The study used a multicenter double-blind randomized controlled trial involving over 17,000 women.
Researchers found that antenatal betamethasone reduced respiratory complications, prolonged ICU stays, and bronchopulmonary dysplasia in late-preterm babies. The study enrolled 2,831 women at high risk for preterm delivery and showed a significant decrease in neonatal respiratory morbidities.
A multicenter study found that treatment of pregnant women with subclinical hypothyroidism or hypothyroxinemia during the first half of pregnancy does not improve cognitive outcomes in children up to five years old. The results suggest routine thyroid screening is not warranted.
A randomized clinical trial found that mailing free nicotine patches to smokers without behavioral support increased 30-day smoking abstinence at six months compared to those who received no intervention. The study suggests general support for direct-to-smoker programs with free mailed nicotine patches.
A randomized clinical trial found that mailing free nicotine patches to smokers without behavioral support can lead to higher quit rates compared to no intervention. Approximately 8% of participants who received patches reported being abstinent for the past 30 days.
A Swedish-Ugandan study has shown that sterilized mosquito nets can replace costly surgical meshes in inguinal hernia repairs without compromising patient safety or treatment efficacy. The study involved over 300 adult males from rural Uganda and found no significant differences between groups.
The journal publishes methodology and statistics to design better trials, reducing publication bias. It features a new method to make cancer clinical trials more effective, with the first issue now available on ScienceDirect.
A randomized clinical trial found that higher monthly doses of vitamin D were associated with an increased risk of falls in patients 70 or older. The study also showed that these high doses had no benefit on improving lower extremity function.
New research explores wearable device effectiveness in promoting healthy behavior, using a novel trial design that evaluates real-time settings. The study aims to provide insights into when wearable devices can help improve health and when they may exacerbate conditions.
The UKCTOCS trial found that ovarian cancer screening reduced mortality by an estimated 15-28% in the MMS group compared to no screening. Longer follow-up is needed to confirm these results and determine their cost-effectiveness.
A new study confirms that home-delivered meals provide more than just nutrition and food security for seniors. The research found that meal delivery significantly reduced feelings of loneliness among participants, particularly those who received daily deliveries.
A randomized clinical trial found bright light treatment alone and combined with fluoxetine to be effective treatments for adults with nonseasonal major depressive disorder. The study's primary outcomes showed that combination therapy and light therapy alone were superior to placebo, while fluoxetine alone was not.
Recent high-impact clinical trials have explored various treatments for kidney-related medical care. Researchers found that statins may increase risk of acute kidney injury in patients with chronic kidney disease, while methylprednisolone did not alter the risk of acute kidney injury in patients undergoing cardiac surgery. Additionally...
A clinical trial reports superior outcomes in patients undergoing minimally invasive sacroiliac joint fusion using triangular titanium implants, compared to nonsurgical management. The study shows significant reductions in pain, disability, and quality of life for patients with sacroiliac joint dysfunction.
A study published in the New England Journal of Medicine found that reducing nicotine content in cigarettes can significantly reduce cigarette use and dependence. Researchers discovered that participants who smoked low-nicotine cigarettes showed lower smoking levels and reduced exposure to nicotine.
Two studies published in The BMJ conclude that increasing calcium intake through supplements or dietary sources has no significant impact on bone health or fracture prevention. Experts argue that mass medication with high doses of calcium and vitamin D is not justified due to the risk of adverse events.
New study results show atezolizumab has remarkable activity in large number of patients with refractory lung cancer, regardless of treatment line. Efficacy is correlated with PD-L1 expression on tumours and immune cells.
A new study published in PLOS ONE found that higher doses of hydrocortisone are not associated with brain injury or neurodevelopmental impairments in extremely low birthweight infants. However, the study suggests that lower doses of hydrocortisone may improve cognitive outcomes.
A recent study published in European Heart Journal found that most patients with cardiac resynchronisation therapy (CRT) pacemaker would not benefit from the addition of a defibrillator. The CeRtiTuDe cohort study analyzed data from 1,705 consecutive patients implanted with CRT between 2008 and 2010 in France.
A randomized controlled trial found that a self-management support service improved patients' symptoms and recovery scores. The program combined behavioral therapy with recovery-oriented approach, focusing on achieving life goals despite symptoms. Participants showed significant improvements compared to usual care.
Two studies found that moderate-intensity physical activity did not improve cognitive function, while oral supplementation with nutrients had no significant effect on cognitive decline. However, participants over 80 or with poor baseline physical performance showed better changes in executive function composite scores.
A genetic study found an association between reduced vitamin D levels and increased risk of multiple sclerosis. The study, published in PLOS Medicine, used a Mendelian randomization approach to examine the link between genetically lowered vitamin D levels and susceptibility to multiple sclerosis.
Research found that prolonged hypoxemia during the first 2-3 months after birth was associated with an increased risk of disability or death at 18 months in extremely preterm infants. The study also revealed that intermittent bradycardia did not significantly add to the risk of adverse outcomes.
A preclinical randomized controlled trial was conducted to evaluate a potential stroke therapy that had shown promise in one mouse model but not another. The study found that the treatment's success may depend on the type and severity of the stroke, suggesting improved clinical trial design could have mitigated this issue.
A randomized trial found that mindfulness-based stress reduction therapy resulted in greater improvement in self-reported PTSD symptom severity compared to present-centered group therapy. The study suggests that this type of intervention may be an acceptable alternative for veterans with poor adherence to existing treatments.
A simple nasal balloon procedure has been shown to be effective in reducing the impact of hearing loss in children with otitis media with effusion. The procedure involves autoinflation three times a day for 1 to 3 months, and has been found to improve middle-ear pressure and reduce symptoms in children aged 4 to 11 years.
Patients with COPD in remission showed improved lung function and quality of life after practicing Liuzijue qigong (LQG) for 6 months. The exercise program, combining meditation and walking, demonstrated marked benefits in mental health as well.
A review of 79 randomized trials involving 6,500 participants found moderate-quality evidence supporting the use of cannabinoids for chronic pain and lower-quality evidence for nausea and vomiting. However, the effectiveness of cannabis for other conditions remains unclear, with increased risk of adverse effects.
A recent study published in the Journal of Thoracic and Cardiovascular Surgery found that statin therapy may reduce major complications after lung surgery. The study showed a significant reduction in postoperative complications, including pneumonia and deep vein thrombosis, but not in atrial fibrillation rates or inflammatory markers.
A clinical trial funded by the NCI will test the effectiveness of SmartQuit, a smoking-cessation smartphone app developed by Dr. Jonathan Bricker, against traditional quit-smoking programs. The trial, which involves over 1,600 adult smokers, aims to determine whether an ACT-based app is effective for smoking cessation.
The European Society of Anaesthesiology and Intensive Care concludes that there is no clinically relevant evidence to withdraw nitrous oxide from clinical practice or procedural sedation. The debate focuses on the decline of its use over the last 15 years due to new, well-tolerated anaesthetic drugs and modern machines.
A meta-analysis of 38 studies found that inhaled corticosteroids (ICS) treatment for COPD may lower the risk of dying from pneumonia and other causes. The treatment also appears to decrease mortality risk when confounding factors are adjusted for.
A new study found that TAVI is safe and effective as a surgical alternative for selected lower-risk patients, with comparable outcomes at two years. The Nordic Aortic Valve Intervention (NOTION) trial showed no significant difference in mortality rates between TAVI and surgical valve replacement.
In a deadly, rapidly spreading infectious disease like Ebola, traditional randomized clinical trials may be inadequate. Alternative trial designs can provide useful information and are morally justifiable, says a new article in the American Journal of Bioethics.
A new study suggests that exercise training can reduce the risk of premature death in elderly individuals. The Norwegian University of Science and Technology study found that high-intensity training and moderate intensity training both showed promising results in improving fitness levels and reducing mortality rates.
Researchers argue that aneurysm screening programs should be revised due to reduced benefits and increased harm in modern populations. The screenings are estimated to overdiagnose AAA cases by 176 out of every 10,000 men invited.
A randomized trial assessing resident duty hour schedules in the ICU found that shorter hours may be less safe for patients and not associated with reduced fatigue. Longer shifts were linked to more severe symptoms of fatigue among residents. The study suggests trade-offs between residents' well-being and patient safety.
A large randomized trial in the US found that adding STAN to conventional intrapartum fetal heart rate monitoring did not improve perinatal outcomes or decrease operative deliveries. The study's results highlight the need for caution when extrapolating results from studies outside the US.
Researchers evaluated 39 screening tests for 19 major diseases and found that only a few tests showed a reduction in disease-specific mortality. Screening for asymptomatic adults has been met with controversy, particularly regarding breast cancer and prostate cancer screening. The study suggests that expectations of major benefits from...
A self-directed walking programme in older people did not reduce incidence of falls, despite increasing mobility levels. Physical activity levels also rose, suggesting that exercise may be useful for overall health, particularly in those under 75.
A randomized clinical trial found intra-arterial treatment improved functional outcome by 71% over medical management with tPA alone. The study showed benefits for all ages, including the elderly, and demonstrated effectiveness up to 6 hours after stroke onset.