Articles tagged with Randomization
A randomized trial in Uganda found that circumcision of HIV-infected men did not reduce HIV transmission to female partners. The study enrolled 922 uncircumcised men and their female partners, with a higher proportion of women infected in the intervention group.
A major electronic collection of articles about uterine artery embolization is now available, providing information on the treatment's benefits and technical aspects. The collection includes studies that demonstrate the procedure's lower cost compared to traditional surgery.
A recent genetic association study failed to support a causal relationship between C-reactive protein levels and coronary heart disease (CHD). The study, published in JAMA, found that variants associated with lower CRP levels were not linked to reduced CHD risk.
A new study by Dr. Thao Huynh analyzes the best way to treat patients with heart attacks, suggesting that reducing delays in providing primary PCI can maximize its effectiveness. The study also highlights the importance of optimal medical therapy after discharge to prevent repeat heart attacks.
A meta-analysis of 190,000 patients from 56 studies found no overall differences in death and myocardial infarction between drug-eluting stents (DES) and bare metal stents (BMS), with significant reductions in target vessel revascularization procedures.
A genetic analysis found that high levels of lipoprotein(a) are associated with an increased risk of heart attack, even after adjusting for other factors. The study suggests that reducing lipoprotein(a) levels may help lower the risk of heart attack.
Researchers confirmed that transplanting autologous muscle-derived cells into the bladder improves symptoms and quality of life in patients with stress urinary incontinence. The treatment has few side effects and significantly improved symptoms, with 76.5% of patients reporting a reduction in stress leaks at 12 months.
A review of 146 prospective cohort studies and 43 randomized controlled trials found strong evidence for a causal relationship between protective dietary factors such as vegetable, nut, and monounsaturated fatty acid intake and lower heart disease risk. The Mediterranean diet was significantly associated with coronary heart disease.
A Lancet study evaluated Mexico's universal health insurance program, Seguro Popular, in dozens of communities. The experiment found a 23% reduction in catastrophic health expenditures and identified areas for improvement. Researchers suggest this model could inform US healthcare reforms.
A study by Harvard researchers found that Seguro Popular, a Mexican health care program instituted in 2003, has reduced catastrophic health expenditures among poorer households by almost 60%. The program's primary goal is to reduce healthcare costs for the poor, and its success may have implications for other countries.
A Mexican health care program created in 2003 has been found effective in reducing crippling health care costs among poorer households. The Seguro Popular program was developed to provide health care to 50 million Mexicans who otherwise would lack coverage, and its success could provide lessons for other countries.
A randomized assessment of Mexico's Seguro Popular program reveals a significant reduction in household-crippling expenditure, with poorest individuals benefiting most. The study also introduces innovative approaches to evaluate public policies and provides a validated architecture for delivering health services to the poor.
The study found that administering eptifibatide in the emergency room or during procedures to open blocked arteries does not significantly affect patient outcomes for those at high risk of complications after a heart attack. Researchers also noted an association between earlier use of eptifibatide and non-life-threatening bleeding.
A randomized trial found that frequent treatment of children under 10 years old with azithromycin can decrease infection prevalence in older individuals and adults, demonstrating herd protection. Treatment frequency four times a year is comparable to treating the entire population once a year.
Research suggests that aspirin can reduce the risk of polyps forming in the colon or rectum, a precursor to colorectal cancer. Studies have shown mixed results regarding the optimal dose and duration of use, but experts call for more evidence on the effects of aspirin on cancer.
A recent study comparing coronary artery bypass graft surgery (CABG) with catheter/balloon/stent percutaneous intervention (PCI) found that CABG may be a better option for patients with diabetes and those aged 65-75 years. The research, involving 7812 patients, revealed lower mortality rates in these subgroups.
A Phase III study found that fampridine improved walking speed and leg strength in patients with multiple sclerosis. The drug also showed promise in reducing fatigue and improving endurance. However, adverse events were reported in some patients, highlighting the need for further research on its treatment profile.
A randomised trial found that kyphoplasty treatment significantly improved quality of life, function, mobility, and pain in patients with acute vertebral fractures compared to non-surgical management. The procedure was also safe and effective, with no significant differences in adverse events between the two groups.
A new review of randomized controlled trials has found that radiofrequency ablation significantly improves patient survival compared to percutaneous ethanol injection. Radiofrequency treatment offered a greater survival benefit due to improved local tumor response and more predictable tumor ablation.
Mortality rates for acute respiratory distress syndrome (ARDS) have remained relatively stable since 1994, with a benchmark mortality of 40-45% according to a comprehensive review of major studies. The findings highlight the need for effective therapeutic interventions for this highly lethal syndrome.
A new trial found that orlistat, a common fat absorption inhibitor, does not help patients with fatty liver disease lose weight or improve liver enzymes. However, moderate weight loss was associated with significant improvements in liver symptoms.
A new study published in PLoS Medicine found that removing user fees for primary health care changed health utilization behavior but did not improve health outcomes among children under 5 years old in Ghana. The study's findings challenge the assumption that free healthcare leads to better health outcomes.
A randomized controlled trial found that women taking vitamin C, E, or beta carotene had a similar risk of cancer as those not taking the supplements. Antioxidant supplements were previously thought to lower cancer risk due to high fruit and vegetable intake, but this study contradicts those findings.
A randomized, placebo-controlled clinical trial found no significant difference in the rate of dementia among participants using Ginkgo biloba or a placebo. The study, which included over 1,500 elderly volunteers, also showed that Ginkgo biloba had no effect on the progression to dementia in individuals with mild cognitive impairment.
The Federal Air Marshals Service is exploring the use of USC's ARMOR system to enhance its operations. The system, which applies game theory insights to scheduling, has been shown to improve security by making it difficult for observers to find predictable patterns in law enforcement patrols. This collaboration aims to further develop ...
A paper on stress urinary incontinence treatment has been retracted from publication after an investigation found critical deficiencies in patient consent and document authenticity. Senior author Georg Bartsch denied involvement, but the study's flaws have raised concerns about research integrity.
The FDA has mandated boxed warnings for COX-2 selective inhibitors and traditional NSAIDs due to their cardiovascular risks. Novel anti-VEGF therapies, such as ranibizumab and bevacizumab, may also pose cardiovascular safety concerns despite proven benefits in treating wet AMD
Recent studies on DES have shown mixed results, with some suggesting increased risk of late thrombosis but no impact on mortality or myocardial infarction. However, other data indicate benefits in terms of reduced reinterventions and improved outcomes for high-risk patients.
A randomized trial found that fluvastatin XL reduced myocardial ischemia and cardiovascular death in high-risk patients undergoing elective vascular surgery. The study showed a significant reduction in the incidence of cardiovascular events and mortality, with a number needed to treat of 12.5 patients.
A new vitespen vaccine was tested on post-operative kidney cancer patients, but showed no significant improvement in recurrence-free survival. In early stage disease, patients receiving the vaccine had a lower risk of recurrence, but this finding requires further validation.
A randomized controlled trial found carbocisteine significantly reduced yearly exacerbation rates in Chinese patients with COPD by 25% compared to placebo. This mucolytic drug may be a worthwhile treatment for prevention of exacerbations, particularly in developing countries.
A study found that doula support during labor significantly reduced cesarean delivery rates by 12% and the need for epidurals by 11%. Continuous presence of a non-medical companion provided benefits even when male partners or family members were present.
Pirfenidone slows lung capacity loss and overall deterioration of IPF, offering new hope for treatment. The study's findings suggest that pirfenidone may also be effective in treating other fibrotic lung diseases.
Researchers presented preliminary results of a prospective randomized controlled trial showing NOTES to be equally successful as traditional laparoscopic surgery, but taking longer. The study also demonstrated complex surgeries can be performed via the mouth using flexible endoscopes.
A randomized trial found patients given beta-blockers after non-cardiac surgery had a higher risk of death or stroke compared to those given placebo, while having a lower risk of non-fatal heart attacks. However, these medications may not outweigh the increased risk of cardiovascular complications.
Women at high risk for cardiovascular disease did not experience a reduced rate of cardiovascular events after taking folic acid and vitamin B supplements for seven years. The study found significant lowering of homocysteine levels, but no difference in cardiovascular event rates between the treatment and placebo groups.
A McGill University study has found a significant link between breastfeeding and improved cognitive development in children. The research, which followed 14,000 children for six years, suggests that prolonged and exclusive breastfeeding can improve IQs and academic performance.
A randomized controlled trial found that high-dose chemotherapy did not increase survival rates for patients with small cell lung cancer. Despite increased tumor shrinkage, the high-intensity approach was deemed ineffective and highly toxic.
A recent study analyzed data from over 216,000 patients in completed phase 3 randomized clinical trials. The results showed that new cancer treatments were found to be slightly superior to standard treatments in terms of patient outcomes such as survival.
A new study by the National Institutes of Health found that a stent designed to open clogged brain arteries was successfully deployed in nearly all cases and reduced arterial blockage, but long-term benefits compared to medical treatment alone were inconclusive. A large-scale randomized trial is expected to provide definitive results.
A recent study found a significant association between the combination of aprotinin and angiotensin-converting enzyme (ACE) inhibitors during off-pump cardiac surgery and postoperative renal dysfunction. The study, published in The Lancet, analyzed data from over 9,700 patients undergoing cardiac surgery between 2000 and 2007.
Research findings suggest that children born to mothers receiving multiple micronutrient supplementation (MMN) exhibit increased weight and body size compared to those born to mothers given iron and folic acid supplementation alone. These effects persist into the first three years of life, with an average increase of 2% in weight.
Ustekinumab therapy maintains clinically meaningful improvement in moderate to severe plaque psoriasis through 1 year, with 87% and 91% of patients sustaining a 75% PASI improvement. The study also found sustained response rates at 66% and 73% for PASI 90.
Men with localized prostate cancer who received male hormone suppression therapy and radiation treatment had longer survival rates. However, those with moderate to high levels of comorbid illnesses did not experience this effect. Combination therapy improved overall survival in men without severe comorbidity.
A randomized clinical trial found that adding docetaxel to anthracycline-based chemotherapy improved disease-free survival in breast cancer patients. The study showed a 4% increase in five-year disease-free survival rates, with patients receiving sequential docetaxel after doxorubicin having the best outcomes.
The study found that anthracycline-based chemotherapy improves disease-free and overall survival rates more than non-anthracycline-based regimens for women with HER2-positive tumors. However, the treatment showed no significant benefit for patients with HER2-negative breast cancer.
Researchers compared computed tomographic pulmonary angiography (CTPA) to conventional lungs scans for excluding pulmonary embolism. While CTPA detected more clots, it also resulted in a higher rate of venous thromboembolism diagnoses. The study suggests that CTPA may be a safe and reliable alternative to ventilation-perfusion scanning.
A new study suggests that drug-eluting stents are not cost-effective for low-risk patients due to higher costs and lower quality-adjusted life years. However, the treatment is found to be beneficial in high-risk patients with small vessel or bypass-graft stenting.
A randomized phase III trial found that minocycline accelerates the deterioration of ALS patients, contradicting previous positive results in animal models. The study suggests reassessing trials of minocycline in other neurological conditions.
Patients given human atrial natriuretic peptide (ANP) after a heart attack have lower infarct sizes, fewer reperfusion injuries, and better outcomes than control group patients. ANP also increases left ventricle ejection fraction post-heart-attack.
A recent study presented at TCT symposium showed that the vast majority of patients who underwent MitraClip procedure did not need surgery three years later and experienced improved left ventricle function. The device also reduced mitral regurgitation severity and promoted reverse remodeling, leading to better patient outcomes.
A review of 13 randomized controlled trials found that only Bifantis showed significant improvement in IBS symptoms. The study evaluated the safety, efficacy, and tolerability of probiotics for IBS treatment.
The use of insecticide-treated bednets leads to a significant reduction in child mortality, with estimated protection rates ranging from 34% to 56%. ITN coverage has increased rapidly in Kenya, with an estimated averting seven deaths for every 1000 ITNs used.
A nationwide study found that use of pulmonary artery catheters in US hospitals decreased by 65% between 1993 and 2004, likely due to evidence showing no reduction in mortality for critically ill patients. The decline was most prominent for heart attack diagnoses, with a 81% decrease.
A randomized controlled trial involving 1,042 nursing home residents found that wearing an energy-absorbing hip protector did not significantly reduce the incidence of hip fractures. The study's results confirm the growing evidence that current hip protectors are not effective in preventing hip fractures among this population.
The recent WHI-CACS study confirms estrogen therapy is cardioprotective, reducing atherosclerosis and coronary events. Early initiation of hormone therapy may even reduce the risk of coronary artery disease.
Women with diabetes experienced a decline in death rates, but at a cost: their bone density and endometrial thickness may have increased. In contrast, a study on soy products found that genistein supplements boosted bone mineral density and improved markers of bone metabolism.
A systematic review and meta-analysis found little to no scientific evidence supporting the use of steroids or other therapies for treating sudden sensorineural hearing loss. The study suggests that systemic steroids may not be the gold standard of treatment due to severe limitations in existing studies.
A Dartmouth-led study found surgery to be twice as effective as non-surgical remedies in reducing pain and restoring functionality for patients with degenerative spondylolisthesis and spinal stenosis. Patients who underwent surgery reported significant relief from symptoms within six weeks.
A randomized clinical trial found that topical testosterone cream did not improve libido in postmenopausal female cancer survivors compared to a placebo. The study suggests that estrogen levels may be a crucial factor in the effectiveness of testosterone therapy for sexual desire in women.