Articles tagged with Randomization
A joint Swedish-UK study found that men who participated in biennial PSA-based screening had lower risks of being diagnosed with and dying from prostate cancer for up to 9 years. After 9 years, the rates in both groups converged, but mortality was significantly lower in the screening group initially.
A randomized trial compared treatments for ectopic pregnancies, finding no significant differences in subsequent fertility between medical treatment and conservative surgery. The study suggests that medical treatment may be preferred for less active ectopic pregnancies due to fewer risks, while surgical treatment is recommended for wom...
A randomized controlled trial found that acupuncture with intense stimulation (de qi) improves facial muscle recovery, disability, and quality of life in patients with Bell palsy. The study suggests de qi is a key factor in achieving therapeutic effects in this condition.
Researchers found that preemptive treatment with Diclectin significantly decreases risk of severe nausea and vomiting in pregnant women. The study also showed a lower recurrence rate of hyperemesis gravidarum when treatment is started before symptoms appear.
A new study finds that a genetic variant in the inflammation gene interleukin-6 is associated with developmental problems in females after preterm birth, but not in males. The research may help identify prevention strategies for preterm brain injury and improve understanding of how it occurs.
A systematic review of 24 randomized clinical trials found significant observer bias in nonblinded outcome assessment, favoring a more beneficial treatment effect. The study recommends using blinded assessors to remove this bias and suggests that conscientious nonblinded assessors may overcompensate for expected biases.
Researchers at UCSF and the Australian Joint Registry expose loopholes in the 510(k) clearance process that allow untested high-risk medical devices to reach the market. The devices have failed at a dangerously high rate, requiring multiple surgeries and posing unknown risks to patients.
A study published in the Journal of General Internal Medicine found that patients receiving Guided Care rated their care quality higher than those in regular primary care, with 66% more likely to access telephone advice as excellent or very good.
A new meta-analysis of 10 studies involving over 203,000 patients with anemia and heart attacks found that liberal blood transfusions increased the risk of death by 12% and had twice the odds of another heart attack. The study calls for rigorous randomized trials to determine when transfusions are appropriate.
A new study published in the Journal of Urology found that robotic-assisted laparoscopic radical cystectomy (RARC) resulted in decreased estimated blood loss and shorter hospital stays compared to open radical cystectomy (ORC) for patients with muscle-invasive bladder cancer. RARC also showed a trend towards faster return of bowel func...
A recent study published in The Lancet found that Cognitive Behavioral Therapy (CBT) significantly reduced depressive symptoms in adults who had not responded to antidepressant medication. After six months, 46% of participants in the CBT group showed improvement compared to 22% in the control group.
A study by UK researchers found that attending physicians tend to rate borderline performances lower when previously exposed to good, rather than poor, performances. This contrast bias may result in biased judgments in competency-based education assessment systems.
The RESPECT trial found that PFO closure significantly reduces the risk of recurrent ischemic strokes, with a clinical benefit of 46.6-72.7% compared to medical management alone. The study also showed low device-related risks and no device-related thrombus or embolization.
Researchers identified a distinct patient population that may benefit from prasugrel, a novel anti-platelet therapy, in those triaged to medical therapy following angiography. This subgroup showed lower rates of cardiovascular events and bleeding compared to clopidogrel.
A randomized controlled trial found that daily sedation interruption did not improve outcomes, including duration of mechanical ventilation, among critically ill patients. The study also revealed increased use of opioids and benzodiazepines in the interruption group.
A comparative study of 80 patients found that coffee consumption reduced recovery time for bowel movements and tolerance of solid food after colon surgery. Coffee also helped patients pass stool sooner, with an average time of just over 60 hours.
A recent study published in JAMA found that vitamin D supplementation did not significantly reduce the incidence or severity of colds in healthy adults. The researchers studied 322 participants who received either a monthly dose of 100,000 IU of vitamin D3 or a placebo for 18 months.
A cluster randomized trial found that an intervention to enhance sense of coherence (SOC) improved oral health-related quality of life (OHRQoL), oral health beliefs, and gingival health in children. The study suggests that SOC may be an avenue for oral health promotion.
A large-scale synthesis of available randomized evidence found no association between omega-3 fatty acid supplementation and major cardiovascular outcomes. Despite widespread recommendation, supplementation with omega-3 PUFAs is not associated with lower risk of all-cause death, cardiac death, sudden death, heart attack, or stroke.
Researchers analyzed 70 press releases and 41 associated news stories, finding that 33 contained 'spin' in press releases and 28 in study abstracts, potentially leading readers to overestimate treatment benefits.
A study of 29 randomized controlled trials found that acupuncture was more effective than no treatment or sham acupuncture for managing some types of chronic pain. Patients who received acupuncture had lower pain scores compared to those in control groups.
A study published in JAMA found that couple's therapy, specifically cognitive-behavioral conjoint therapy (CBCT), can significantly decrease PTSD symptom severity and improve intimate relationship satisfaction in couples. The treatment was more effective than a wait-list condition, with improvements maintained at a 3-month follow-up.
A randomized controlled trial found that corticosteroids have no clinical benefit in treating acute sinusitis. Researchers from the Netherlands conducted a study involving 174 adults with clinically diagnosed acute rhinosinusitis and found that oral corticosteroids had no significant effect on facial pain or pressure.
Patients with chronic heart failure who participated in exercise training experienced modest reductions in depressive symptoms after 12 months compared to usual care. Regular exercise was associated with lower scores on the Beck Depression Inventory II and reduced risk of mortality and hospitalizations.
A new study finds CPAP treatment significantly reduces symptoms and improves quality of life in patients with mild to moderate obstructive sleep apnea (OSA) and daytime sleepiness. The study's results suggest that CPAP therapy is highly effective in treating this largest segment of the OSA population.
A study published in JAMA found that administering the regulating agent acadesine before CABG surgery did not reduce all-cause mortality or need for mechanical support. The trial included 2,986 patients and found no significant difference between those who received acadesine and those on placebo.
A randomized controlled trial found that azithromycin improved lung function in patients with BOS following lung transplantation. The study showed a significant improvement in FEV1 measurements, with a mean gain of 37ml in the Azithromycin group and a mean fall of 181ml in the placebo group.
A new study has found that vitamin C supplementation in pregnant women who are unable to quit smoking significantly improves pulmonary function in their newborns. Daily use of vitamin C (500 mg/day) improved peak tidal expiratory flow and respiratory compliance, returning them nearly to the levels seen in non-smokers.
Seven late-breaking clinical trials presented at ATS 2012 examined treatments for ventilator-associated pneumonia, cardiac surgery associated kidney injury, septic shock, idiopathic pulmonary fibrosis, smoking cessation, malignant pleural effusion, and non-cystic fibrosis bronchiectasis. Results showed that shorter courses of doripenem...
Canada provides scant support for large randomized controlled trials compared to Western countries, hindering effectiveness of medical therapies and procedures. Experts recommend increasing funding to remove bureaucratic barriers and conduct local studies due to unique social and health contexts.
Researchers found that primary care-based management was comparable to specialist care in terms of ESS scores, FOSQ scores, and CPAP compliance. Home auto-titrating CPAP usage was also similar between the two groups. The study suggests a lower-cost alternative for OSA treatment, particularly beneficial for rural and remote regions.
A new study published in Science found that workplace safety inspections conducted by California's Division of Occupational Safety and Health (Cal/OSHA) reduce on-the-job injuries and their associated costs, with no negative impact on companies' performance or profits. The researchers examined the effects of randomized inspections on w...
A study examining registered clinical trials found that many small, single-center trials were submitted between 2007-2010, leading to heterogeneity in methodological approaches. The majority of trials had an anticipated enrollment of 1,000 or fewer participants, and only 44% were funded by industry.
A study published in PLOS Medicine found that immediate induction of labor does not significantly improve pregnancy outcomes for women with preterm prelabor rupture of membranes. Instead, expectant management is recommended to reduce the risk of maternal infection and neonatal sepsis.
A randomized trial found IPTi to be an effective preventive measure against malaria episodes in infants exposed to both falciparum and vivax malaria. The study showed a significant reduction in malaria cases with regular IPTi treatment during infancy.
Researchers found that patients who received early temporary treatment with antiretroviral drugs (cART) for 24 weeks had a lower viral setpoint and delayed the need to restart treatment during chronic HIV infection. This delay lasted for an average of 0.7 years, compared to those who did not receive early cART.
A study found that administering a bolus dose of the anticoagulant drug abciximab directly into the coronary artery involved in causing a heart attack resulted in a significant reduction in heart muscle damage at 30 days. However, manual thrombus aspiration did not produce similar results.
A multifaceted intervention improved the use of evidence-based therapies among patients with acute coronary syndromes in public hospitals in Brazil. The study found significant improvements in medication usage and overall quality of care, particularly in low- and middle-income countries.
A study published in Archives of Surgery found that total extraperitoneal inguinal hernioplasty (TEP) associated with lower chronic pain and improved sensation after inguinal hernia repair. However, TEP was linked to a higher incidence of operative complications.
A new endoscopic procedure, transgastric necrosectomy, has been shown to reduce major complications and death in patients with infected severe pancreatitis compared to traditional surgical methods. The study found that the procedure resulted in lower proinflammatory response and reduced rates of multiple organ failure.
A study of 100 intubated patients found no significant differences in pulmonary gas exchange, immunologic status, or coagulation status between fresh and standard-issue red blood cells. The findings challenge previous observational studies linking RBC storage duration to respiratory complications.
Patients treated with diuretic chlorthalidone had significantly lower death rates and longer life expectancy compared to placebo, according to a study published in JAMA. The researchers found that long-term antihypertensive therapy was associated with 1 day prolongation of life expectancy free from cardiovascular death per month.
Researchers evaluated the safety and efficacy of hydroxyurea therapy in pediatric patients with SCD and found that continued use of hydroxyurea was associated with lower rates of pain crises, episodic transfusions, and hospital admissions. The studies also showed high acceptance rates for hydroxyurea among families of children with SCD.
A new study shows that giving stroke patients and their families control over their recovery process can significantly improve physical health scores and reduce disability. The 'Take Charge' session improved patients' quality of life by six points, while the inspirational DVD upped the result by one point.
The study found that radial artery access was associated with significantly lower rates of bleeding and cardiac death compared to femoral artery access. This suggests that the transradial approach may be a preferable option for patients with ST elevation acute coronary syndrome.
A study published in JAMA found that a surgical procedure to improve blood flow in the blocked artery did not reduce the risk of subsequent stroke after two years. The trial, which included 195 patients, showed no significant difference in stroke rates between those who received surgery and those who received medical therapy alone.
A study by Roman Pfister and colleagues found a potentially causal link between low B-type natriuretic peptide (BNP) hormone levels and the development of type 2 diabetes. The researchers suggest that BNP may be a promising target for interventions aimed at preventing type 2 diabetes.
Kansas researchers found that enriched infant formulas fortified with long chain polyunsaturated fatty acids (LCPUFA) are beneficial for developing brains and hearts. Infants fed these formulas showed improved cognitive advancement and lower heart rates compared to those without LCPUFA.
A randomized multicentre open-label study found that 24-month duration of dual therapy is no better than six months in preventing adverse cardiac events, but significantly increases the risk of bleeding and transfusion. The study challenges current guideline recommendations.
The EXAMINATION trial found a non-significant trend towards benefit with Xience-V stent, resulting in a lower rate of new revascularisations and significantly lower rates of definite and probable stent thrombosis at one-year follow-up.
The RESET trial demonstrates that sirolimus-eluting stents are non-inferior to everolimus-eluting stents in terms of target-lesion revascularisation rate and late lumen loss. However, the study's findings may be influenced by the relatively low-risk patient population.
A multicentre randomised trial in France investigated the safety of long-term daily remote monitoring using a home monitoring system compared to conventional in-clinic follow-up. The results showed that remote ICD monitoring is non-inferior to traditional follow-up, with significant reductions in inappropriate shocks and hospitalizations.
A randomized controlled trial found that colchicine significantly reduced the incidence of recurrences and symptom persistence in patients with recurrent pericarditis. Colchicine was also shown to improve remission rates and reduce hospital readmission.
A randomized controlled trial found that narrative exposure therapy significantly reduced PTSD symptoms in former child soldiers in Uganda compared to other therapies. The treatment was conducted by community-based lay therapists without a mental health background, demonstrating its feasibility and effectiveness.
A study found that a 4-day non-denominational spiritual retreat significantly lowered depression in heart patients, while also raising hope. The retreat included meditation, guided imagery, and outdoor activities, leading to immediate improvements in tests measuring depression and hopefulness.
A large-scale study found that pregnant women taking DHA supplements had fewer colds and shorter illnesses in their infants. The study, published in Pediatrics, suggests that prenatal DHA supplementation may help deliver healthier babies.
A systematic analysis of informed-consent documents for U.S. government-sponsored HIV/AIDS research found that the forms were extremely long and used complex wording, hindering full understanding. Researchers recommend shortening and simplifying consent forms to improve participant comprehension.
A study found that non-invasive ventilation used as a weaning technique can shorten intubation time and reduce the risk of post-extubation acute respiratory failure. Additionally, NIV used as a rescue therapy significantly reduces the risk of reintubation and death in patients with chronic hypercapnic respiratory failure.
Recent meta-analyses show telemedical monitoring can improve overall survival by 17-47% in CHF patients. Two trials presented at the Heart Failure Congress 2011 found benefits in specific subgroups, including those with prior decompensation and no depression.
A new NIH-funded randomized clinical trial has found that aspirin and simvastatin do not provide benefits to patients with pulmonary artery hypertension. The study, which was conducted at four U.S. medical centers, enrolled 65 patients and showed no significant difference in six-minute walk distance between the treatment groups.