Negative / Null Result ReportMedicine
De Groote W, Taremwa Y, Duttine A et al. · 2026 · International journal of environmental research and public health
In Uganda, in 2019, 6.8 million people experienced health conditions that are amenable to rehabilitation. This is largely due to musculoskeletal disorders such as low back pain (LBP). Measuring effective coverage of rehabilitation means…
View details →DOI: 10.3390/ijerph23060693 Negative / Null Result ReportMedicine
Aljuaid M, Alsiraj K · 2026 · Annals of the ICRP
This is a national study about the occupational Radiation doses for medical workers in the Kingdom of Saudi Arabia which covers the period since the establishment of the Nuclear and Radiological Regulatory Commission (NRRC). The study aims…
View details →DOI: 10.1177/01466453251411988 Negative / Null Result ReportOpen accessMedicine
Büyüksefil M, Çimen Ü, Şimşek Derelioğlu S et al. · 2026 · Oral health & preventive dentistry
Purpose Effective communication with paediatric patients is one of the cornerstones of paediatric dentistry. Strong communication skills play a critical role in reducing dental anxiety, enhancing patient satisfaction, and facilitating the…
View details →DOI: 10.3290/j.ohpd.c_2680 Negative / Null Result ReportMedicine
Choi JY, Song WS, Won YK et al. · 2026 · Korean journal of ophthalmology : KJO
Purpose To compare the effective phacoemulsification time used in cataract surgery and postoperative outcomes between the Veritas and the Centurion Vision System. Methods A retrospective analysis was conducted on 90 eyes from 82 patients…
View details →DOI: 10.3341/kjo.2025.0196 Negative / Null Result ReportMedicine
Jacobs S, Edelhoff H, Ebert C et al. · 2026 · BMC ecology and evolution
Effective population size (Ne) is a fundamental parameter in conservation genetics, providing relevant information on the adaptability and long-term viability of populations. In contrast, wildlife management strategies, particularly for…
View details →DOI: 10.1186/s12862-026-02543-7 Negative / Null Result ReportMedicine
Leung A, Koo J · 2026 · CNS drugs
Dermatological delusional disorders, such as delusional infestation (DI), are a unique type of psychosis in which the patient experiences specific delusions, such as parasites or inorganic materials that come out of their skin. Originally,…
View details →DOI: 10.1007/s40263-026-01309-5 Negative / Null Result ReportMedicine
Cherif IS, Essis EML, Diallo MA et al. · 2026 · Case reports in infectious diseases
Background Lassa fever is a potentially fatal viral hemorrhagic disease caused by a ribonucleic acid (RNA) virus of the Arenaviridae family, endemic in West Africa. It is highly virulent and contagious in several countries, with a…
View details →DOI: 10.1155/crdi/2672939 Negative / Null Result ReportMedicine
Columbo JA, Scali ST, Wanhainen A et al. · 2026 · Annals of surgery
Objective To determine the contemporary cost per quality-adjusted life year(QALY) gained for abdominal aortic aneurysm (AAA) repair in current practice and assess the optimal threshold for intervention. Summary background data The widely…
View details →DOI: 10.1097/sla.0000000000007134 Negative / Null Result ReportMedicine
Renard K, Sung HD, Griffis C · 2026 · AANA journal
Gabapentin is widely used in perioperative analgesic protocols. Many clinical studies supporting the safety and analgesic efficacy of gabapentin for postoperative pain have been published over the last two decades. Several studies, many…
View details →DOI: 10.70278/aanaj/.0000001087 Negative / Null Result Report
Owino RO, Golding J, Sangale EL et al. · 2026 · Preprint
Giraffes, unlike other large mammals, typically pose minimal risk to humans, their animals, and crops, so they are traditionally not involved in human-wildlife conflict. Tree crops, however, are expanding across Africa, resulting in crop…
View details →DOI: 10.64898/2026.05.01.722334 Methods Dead-EndOpen accessMedicine
Demnitz-King H, Cooper C, Poppe M et al. · 2026 · Age and ageing
Background Previous studies have modelled long-term cost-effectiveness of dementia prevention but seldom within trials. APPLE-Tree (Active Prevention in People at risk of dementia through Lifestyle, bEhaviour change and Technology to build…
View details →DOI: 10.1093/ageing/afag176 Negative / Null Result ReportOpen accessMedicine
Winstén AK, Langén V, Airaksinen KEJ et al. · 2026 · JAMA network open
Importance Anticoagulation for stroke prevention in subclinical, device-detected atrial fibrillation (AF) remains an area of clinical equipoise, and its cost-effectiveness is unknown. Objective To evaluate the cost-effectiveness of direct…
View details →DOI: 10.1001/jamanetworkopen.2026.17213 Failed Experiment ReportMedicine
Bigirimana D, Hu N, Soo J et al. · 2026 · Ophthalmology. Glaucoma
Purpose To assess the cost-effectiveness of Xen45 Gel Stent (XGS) compared with trabeculectomy for the surgical management of open angle glaucoma in the United States Medicare system. Design Cost-utility analysis using safety and efficacy…
View details →DOI: 10.1016/j.ogla.2026.05.009 Failed Experiment Report
Johansson H, Ponnikas S, Harmoinen J et al. · 2026 · Preprint
Effective management of the wolf ( Canis lupus ) population in Finland requires defining a genetics-based minimum viable population (MVP) to support the national Favourable Reference Population (FRP) reporting under the EU Habitats…
View details →DOI: 10.3897/arphapreprints.e198327 Negative / Null Result ReportMedicine
Thomas CA, Blau S, Neuhalfen H et al. · 2026 · JCO oncology practice
Purpose Biomarker testing, including immunohistochemistry (IHC) and next-generation sequencing, is the standard of care in advanced non-small cell lung cancer (NSCLC) for identifying actionable mutations such as EGFR , ALK , and KRAS .…
View details →DOI: 10.1200/op-25-01007 Negative / Null Result ReportOpen accessMedicine
Bedoya JU, Wagner M, Malézieux E et al. · 2026 · Liver international : official journal of the International Association for the Study of the Liver
Background & aims Transjugular intrahepatic portosystemic shunt (TIPS) improves survival in refractory ascites. A careful patient's selection is mandatory as TIPS can lead to complications. Liver volumetry is predictive of outcomes before…
View details →DOI: 10.1111/liv.70691 Abandoned HypothesisMedicine
Ni X, Zhou S, He X et al. · 2026 · Toxicology in vitro : an international journal published in association with BIBRA
Background In HT-22 cells, 500 μM NMDA was used as a high-concentration oxidative stressor rather than a classical NMDA receptor-mediated excitotoxic stimulus. Because HT-22 cells lack functional ionotropic NMDA receptors, this model…
View details →DOI: 10.1016/j.tiv.2026.106274 Negative / Null Result ReportMedicine
Chu BK, Abdelbaki A, Nikahd M et al. · 2026 · Journal of clinical gastroenterology
Background The optimal timing for endoscopic retrograde cholangiopancreatography (ERCP) in managing uncomplicated acute biliary pancreatitis (ABP) remains unclear. This population-based study assessed the impact of ERCP timing on outcomes…
View details →DOI: 10.1097/mcg.0000000000002341 Negative / Null Result ReportMedicine
Campello E, Zanetto A, Ferdinande K et al. · 2026 · Liver international : official journal of the International Association for the Study of the Liver
Background and aims Cirrhosis is characterized by progressive immune dysregulation, endothelial dysfunction, and haemostatic imbalance. Circulating extracellular vesicles (EVs) have emerged as potential biomarkers reflecting these…
View details →DOI: 10.1111/liv.70723 Negative / Null Result ReportMedicine
Yamao S, Chiba Y, Kuniyoshi K et al. · 2026 · Ophthalmology. Retina
Purpose To evaluate surgical outcomes and identify key prognostic factors in retinal detachment associated with morning glory syndrome (MGS-RD). Design Retrospective consecutive case series. Subjects Fifteen consecutive eyes of 15 patients…
View details →DOI: 10.1016/j.oret.2026.06.011 Negative / Null Result ReportOpen accessMedicine
Augustin M, Pollak TA, Morrin H · 2026 · NPP - digital psychiatry and neuroscience
AI-associated delusions represent an emerging phenomenon requiring mechanistic understanding. This review, after summarizing key contributions on AI-associated delusions, proposes the "amplification spiral" framework, wherein three…
View details →DOI: 10.1038/s44277-026-00065-0 Negative / Null Result ReportMedicine
David P, Oliphant K, Zhou C et al. · 2026 · Pediatric research
Background Fentanyl, an opioid medication commonly given to hospitalized preterm infants, may alter gut microbiome development and subsequent neurodevelopmental outcomes. Methods We compare a cohort of preterm infants with and without…
View details →DOI: 10.1038/s41390-026-05210-1 Negative / Null Result ReportMedicine
Merzaei Z, Kazemian H, Bamzadeh Z et al. · 2026 · BMC research notes
Objective Irritable bowel syndrome (IBS) presents with symptoms of pain, abdominal discomfort, and altered bowel habits. Changes in the intestinal microbiota, including an increase in Enterobacteriaceae like E. coli, have been associated…
View details →DOI: 10.1186/s13104-026-07924-1 Negative / Null Result Report
Letta S · 2026 · Preprint
Abstract Background Low back pain is a major occupational health problem among the healthcare workforce. It contributes to reduced productivity, absenteeism, and diminished quality of life. Despite its significant burden, the prevalence…
View details →DOI: 10.21203/rs.3.rs-10143847/v1 Negative / Null Result ReportOpen accessMedicine
Siddique S, Wang R, Berardi D et al. · 2026 · Cancer
Background The incidence of early-onset colorectal cancer (EOCRC), defined as colorectal cancer diagnosed before the age of 50 years, has been increasing. The relationship between demographic, birth, and parental characteristics and risk…
View details →DOI: 10.1002/cncr.70458 Negative / Null Result ReportOpen accessMedicine
Gallaccio G, Müller A, Wang M et al. · 2026 · Neurology(R) neuroimmunology & neuroinflammation
Background and objectives Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) is an inflammatory demyelinating disorder that overlaps clinically with multiple sclerosis (MS) but immunopathologically distinct. Although…
View details →DOI: 10.1212/nxi.0000000000200615 Negative / Null Result ReportMedicine
Kumura Y, Maruta M, Yokota H et al. · 2026 · Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society
Background Post-operative delirium (POD) is a common complication in older patients with cancer undergoing surgery, leading to prolonged hospitalisation and cognitive decline. This study examined the relationship between pre-operative…
View details →DOI: 10.1111/psyg.70179 Negative / Null Result ReportOpen accessMedicine
Xu P, Zhong S, Peng X · 2026 · The Journal of international medical research
Barium-associated intestinal ischemia is a rare but life-threatening complication following upper gastrointestinal barium contrast examinations, with an incidence of less than 0.01%. Hepatic portal venous gas is a condition secondary to…
View details →DOI: 10.1177/03000605261457776 Negative / Null Result Report
Juhasz J, DeFeis B, Britton MK et al. · 2026 · Preprint
ABSTRACT Introduction Brain-predicted age, estimated from structural MRI data, is a machine learning biomarker of biological brain aging. Greater brain age gap (BAG) indicates advanced brain aging and is associated with cognitive decline…
View details →DOI: 10.64898/2026.06.04.26354935 Negative / Null Result ReportMedicine
Sochacka K, Kotowska A, Lachowicz-Wiśniewska S · 2026 · Nutrients
Background: This study aimed to compare a limited set of predefined diet-, lifestyle-, knowledge-, and psychosocial indicators across school youth, students, and adults in Poland, and to examine their associations with three predefined…
View details →DOI: 10.3390/nu18122022 