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107 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Trials
Artículo
Acceso abierto Artículo DOAJ
BMC; United Kingdom · ISSN 1745-6215
Materias / palabras clave: trial methodology, trial protocols, randomised controlled trials, medical trials; Medicine: Medicine (General)
Idioma English
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Open Access
A scoping review of randomized controlled trials in the early phase of the COVID-19 pandemic: country-level research response to COVID-19 therapeutics and vaccines
Artículo
Acceso abierto Artículo DOAJ
Hiroki Saito et al · BMC · 2026 · ISSN 1471-2334
Abstract Backgrounds Clinical trials are central in pandemic preparedness and response (PPR). This scoping review aimed to illustrate the landscape of COVID-19-related randomized controlled trials (RCTs), focusing on the...
LCC TENDOkluZmVjdGlvdXMgYW5kIHBhcmFzaXRpYyBkaXNlYXNlcw~~Idioma eng
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Open Access
A systematic review of entomological outcomes and sampling approaches used in the evaluation of cluster randomised controlled trials for malaria vector control products
Artículo
Acceso abierto Artículo DOAJ
Victoria Githu et al · BMC · 2026 · ISSN 1475-2875
Abstract Background Entomological outcomes are critical for understanding the biological mechanisms and operational performance of malaria vector control interventions. However, the quality and consistency of how these o...
LCC TENDOkFyY3RpYyBtZWRpY2luZS4gVHJvcGljYWwgbWVkaWNpbmU~; TENDOkluZmVjdGlvdXMgYW5kIHBhcmFzaXRpYyBkaXNlYXNlcw~~Idioma eng
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Open Access
Coronary Heart Disease (CHD) in Elderly Patients: Which Drug to Choose, Ticagrelor and Clopidogrel? A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Artículo
Acceso abierto Artículo DOAJ
Mohammed Ahmed Al-Kaif et al · MDPI AG · 2021 · ISSN 2308-3425
Background: A new generation P2Y12 receptor inhibitor (ticagrelor) is recommended in current therapeutic guidelines to treat patients with coronary heart disease (CHD). However, it is unknown if ticagrelor is more effect...
LCC TENDOkRpc2Vhc2VzIG9mIHRoZSBjaXJjdWxhdG9yeSAoQ2FyZGlvdmFzY3VsYXIpIHN5c3RlbQ~~Idioma eng
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Open Access
Effectiveness and safety of skull base-peripheral acupuncture for post-stroke cognitive impairment: a systematic review and meta-analysis of randomized controlled trials
Artículo
Material complementario disponible Artículo DOAJ
Yinyi Xiong et al · Frontiers Media S.A · 2026 · ISSN 1664-2295
ObjectiveTo evaluate the efficacy and safety of skull base-peripheral (SBP) acupuncture in patients with post-stroke cognitive impairment (PSCI).MethodsWe searched eight Chinese and English databases from inception to Ju...
LCC LCC:Neurology. Diseases of the nervous systemIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Efficacy of polyphenolic compounds for hair regeneration: a systematic review and meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Chaimae El Ammari et al · Taylor & Francis Group · 2026 · ISSN 0954-6634
Background Non-scarring alopecia, including androgenetic alopecia, alopecia areata, and telogen effluvium, is highly prevalent and often associated with significant psychosocial burden. Although treatments such as minoxi...
LCC LCC:DermatologyIdioma eng
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Open Access
Physical activity modalities and dosing for postpartum depression, anxiety and quality of life: a network meta-analysis and dose response of randomized trials
Artículo
Acceso abierto Artículo DOAJ
Yanmei Wang et al · BMC · 2026 · ISSN 1471-2458
Abstract Background Postpartum depression and anxiety are common and burdensome. Physical activity (PA) is a scalable intervention, yet the comparative effectiveness of PA modalities and optimal dosing in the postpartum ...
LCC LCC:Public aspects of medicineIdioma eng
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Open Access
Treatment of Non-neurogenic Overactive Bladder with OnabotulinumtoxinA: Systematic Review and Meta-analysis of Prospective, Randomized, Placebo-controlled Clinical Trials
Artículo
Acceso abierto Artículo DOAJ
Raquel Martins Arruda et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2018 · ISSN 0100-7203
Abstract We performed a systematic review and meta-analysis of randomized placebo-controlled trials that studied non-neurogenic overactive bladder patients who were treated with 100 units of onabotulinumtoxinA or placebo...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma eng
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Open Access
A potential impact of artificial intelligence on pharmaceutical drug design and clinical trials
Artículo
Acceso abierto Artículo DOAJ
Muhammad Naeem Aamir et al · AMMANIF · 2025 · ISSN 2521-0521
Pharmaceutical technology has increasingly integrated artificial intelligence (AI) in recent years. This technology offers significant benefits, including saving time and money while enhancing the understanding of the re...
LCC TENDOlBoYXJtYWN5IGFuZCBtYXRlcmlhIG1lZGljYQ~~Idioma eng
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Open Access
Comparative evaluation of Bayesian external information borrowing and frequentist approaches in underpowered confirmatory trials
Artículo
Material complementario disponible Artículo DOAJ
Ruobing Li et al · BMC · 2026 · ISSN 1471-2288
Abstract The application of Bayesian statistics in pivotal clinical trials has gained increasing attention, particularly for underpowered confirmatory trials such as those in pediatric and rare disease populations. Bayes...
LCC TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Navigating the Next Wave of Clinical Trials for Alzheimer’s Disease Research
Artículo
Acceso abierto Artículo DOAJ
Rachel Sudhakar · University of Ottawa · 2026 · ISSN 2292-650X
Recent advances in Alzheimer’s disease research have reshaped how clinical trials are designed and interpreted, particularly through the use of targeted monoclonal antibodies, biomarker-guided enrollment, and novel dru...
LCC LCC:Medicine; TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma eng
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Open Access
The role of lipid lowering medications in the primary prevention of cardiovascular disease and mortality: a meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Brooke Morsell et al · BMC · 2026 · ISSN 1471-2261
Abstract Importance The mortality benefit of lipid-lowering therapies (LLTs) in true primary prevention of cardiovascular disease (CVD) remains uncertain, in part because prior studies frequently included individuals wit...
LCC TENDOkRpc2Vhc2VzIG9mIHRoZSBjaXJjdWxhdG9yeSAoQ2FyZGlvdmFzY3VsYXIpIHN5c3RlbQ~~Idioma eng
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Open Access
Digital health interventions for older adults with subjective cognitive decline or mild cognitive impairment: a systematic review and meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Nan Xu et al · BMC · 2026 · ISSN 1471-2318
Abstract Background Subjective cognitive decline and mild cognitive impairment represent critical windows for intervention as early stages of dementia progression. Although digital health interventions have shown potenti...
LCC TENDOkdlcmlhdHJpY3M~Idioma eng
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Open Access
Effects of anti-obesity drugs on cardiometabolic risk factors in pediatric population with obesity: a systematic review and meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Aamir Ahmad Bin et al · De Gruyter · 2025 · ISSN 2191-0278
Following prospective registration (PROSPERO CRD42024564275), three databases (PubMed, SCOPUS, Web of Science) were searched for trials reporting the effects of anti-obesity drugs (AODs) (with placebo as control) on card...
LCC LCC:MedicineIdioma eng
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Open Access
Effects of pomegranate on blood pressure and endothelial function: A systematic review and meta-analysis of clinical trials
Artículo
Material complementario disponible Artículo DOAJ
Mohamad Sanei et al · Elsevier · 2026 · ISSN 2666-1497
This systematic review and meta-analysis evaluated pomegranate supplementation effects on blood pressure and endothelial function in adults. Four main databases, including PubMed/MEDLINE, Web of Science, SCOPUS, and Emba...
LCC LCC:Nutrition. Foods and food supply; LCC:Nutritional diseases. Deficiency diseasesIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Efficacy and safety of external phytotherapy in diabetic foot ulcers: a GRADE-assessed systematic review and meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Xiaodan Yan et al · BMC · 2026 · ISSN 1758-5996
Abstract Background Diabetic Foot Ulcers (DFUs) represent a global healthcare challenge, imposing substantial socioeconomic burdens due to their increasing incidence and associated mortality. This study evaluates the eff...
LCC LCC:Nutritional diseases. Deficiency diseasesIdioma eng
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Open Access
Efficacy and safety of stem cell therapy for myocardial infarction and heart failure: an updated systematic review and meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Ghaidaa Abdullah Almuhammadi et al · BMC · 2026 · ISSN 2046-4053
Abstract Background/objectives Cardiovascular diseases (CVDs), particularly myocardial infarction (MI) and heart failure (HF), remain global causes of morbidity and mortality, despite the current treatment options. Stem ...
LCC LCC:MedicineIdioma eng
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Open Access
Haloperidol versus second-generation antipsychotics on the cognitive performance of individuals with schizophrenia and related disorders: pairwise meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Daniel Prates Baldez et al · Associação de Psiquiatria do Rio Grande do Sul · 2025 · ISSN 2238-0019
Abstract Objective Despite previous literature, the superiority of second-generation antipsychotics (SGAs) relative to first-generation antipsychotics – especially haloperidol – on cognitive management in schizophre...
LCC TENDOlBzeWNoaWF0cnk~Idioma eng
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Open Access
Negative pressure drainage versus nasal packing in patients undergoing septoplasty: a systematic review and meta-analysis of randomized controlled trials
Artículo
Material complementario disponible Artículo DOAJ
Abdur Rehman et al · SpringerOpen · 2026 · ISSN 2090-8539
Abstract Background Traditional nasal packing following septoplasty imposes significant patient morbidity, including pain, obligate oral breathing, and sleep disruption. Negative pressure drainage (NPD) represents a mech...
LCC TENDOk90b3JoaW5vbGFyeW5nb2xvZ3k~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Optimal auxiliary-covariate-based two-phase sampling design for semiparametric efficient estimation of a mean or mean difference, with application to clinical trials
Artículo
Acceso abierto Artículo CONICET Digital
Gilbert, Peter B. et al · John Wiley & Sons Ltd · 2014 · ISSN 0277-6715
To address the objective in a clinical trial to estimate the mean or mean difference of an expensive endpoint Y, one approach employs a two-phase sampling design, wherein inexpensive auxiliary variables W predictive of Y...
Idioma eng
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Open Access
Performance of Tai Chi Chuan and NF-κB-driven proinflammatory gene expression (IL-6, IL-1β, TNF-α) in adult chronic disease patients: a systematic review and meta-analysis of randomized controlled trials
Artículo
Acceso abierto Artículo DOAJ
Si-Qi Zhu et al · Frontiers Media S.A · 2026 · ISSN 1664-3224
ObjectiveThis systematic review and meta-analysis aims to evaluate the effects of Tai Chi Chuan on the expression of pro-inflammatory genes IL-6, IL-1β, and TNF-α—downstream of the NF-κB pathway—in adults with chr...
LCC LCC:Immunologic diseases. AllergyIdioma eng
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Open Access
Tr14 gel compared to diclofenac gel after acute unilateral ankle sprain: an Individual Patient Data (IPD) meta-analysis of two multi-center trials
Artículo
Material complementario disponible Artículo DOAJ
J. Vester et al · BMC · 2026 · ISSN 1471-2474
Abstract Background Traumeel (Tr14) and diclofenac gels are commonly prescribed topical treatments for Grade I-II acute lateral ankle sprain (LAS). A meta-analysis of two multi-center trials was performed to compare thei...
LCC LCC:Diseases of the musculoskeletal systemIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
A diffusion model for mosquito control trials with spillover: application to calculations of power, sample size, and bias
Artículo
Material complementario disponible Artículo DOAJ
Thomas A. Smith et al · BMC · 2026 · ISSN 1745-6215
Abstract Background Mosquito movement is ubiquitous and complicates the design of cluster randomized trials (CRTs) of vector control interventions because it can cause spillover between trial arms. There has been no anal...
LCC TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma eng
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Material complementario
How can innovative trials in juvenile idiopathic arthritis serve the unmet needs of patients?
Artículo
Acceso abierto Artículo DOAJ
Joshua L Bennett et al · BMC · 2026 · ISSN 1478-6362
Abstract Juvenile idiopathic arthritis (JIA) comprises a heterogeneous group of childhood-onset inflammatory arthritides that remain challenging to treat. An expanding range of biologic and targeted synthetic disease-mod...
LCC LCC:Diseases of the musculoskeletal systemIdioma eng
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Open Access