Negative / Null Result ReportMedicine
Famuyide L, Patel J, Nembhard WN · 2026 · Birth defects research
Background Hypospadias is one of the most common genital defects in boys, affecting about 1 in 125 live-born boys. Several studies have examined the association between a single environmental exposure and risk of hypospadias, but few have…
View details →DOI: 10.1002/bdr2.70022 Negative / Null Result ReportOpen accessMedicine
Ye B, Liu Y, Zhang J et al. · 2026 · Frontiers in nutrition
Background To investigate the associations between consumption of sugar-sweetened beverages (SSBs), artificially sweetened beverages (ASBs), and natural juices (NJs) and incident kidney stone disease (KSD), and to assess whether genetic…
View details →DOI: 10.3389/fnut.2026.1844118 Negative / Null Result ReportMedicine
Kılıç A, Koçak Ulucaköy R, Osmanov Z et al. · 2026 · Biomarkers in medicine
Objective Biomarkers that accurately reflect disease activity and inflammatory burden are needed, particularly in the early stages of spondyloarthropathy (SpA). This study aimed to evaluate the association between serum neopterin levels…
View details →DOI: 10.1080/17520363.2026.2686306 Negative / Null Result ReportMedicine
Sussadee M, Jarudecha T, Muikaew R et al. · 2026 · Animals : an open access journal from MDPI
Feline hypertrophic cardiomyopathy (HCM) is the most common cardiac disease in cats, causing morbidity and mortality. Recently, a variant in the Alström syndrome protein 1 ( ALMS1 ) gene has been reported to be associated with HCM in…
View details →DOI: 10.3390/ani16121815 Negative / Null Result ReportMedicine
Choi SJ · 2026 · BMC public health
Background Walking is a widely accessible form of physical activity and has been consistently associated with improved health-related quality of life (HRQoL) at the individual level. However, less is known about how walking participation…
View details →DOI: 10.1186/s12889-026-27962-5 Negative / Null Result ReportMedicine
McCaw K, Fink B, Danis D et al. · 2026 · American journal of veterinary research
Objective To compare the accuracy of a tibial plateau-leveling osteotomy (TPLO) using a modular guide (OssAbility) compared to the traditional freehand method. We hypothesized that guide use would improve TPLO centering and accuracy in the…
View details →DOI: 10.2460/ajvr.26.03.0128 Negative / Null Result ReportOpen accessMedicine
Gaba K, Kumar K, Kaushik R et al. · 2026 · Cureus
Background The use of post-mortem blood culture as a diagnostic tool in medico-legal autopsies is limited. Differentiating true infection from contamination or post-mortem bacterial translocation remains a challenge. This study aimed to…
View details →DOI: 10.7759/cureus.104988 Negative / Null Result Report
Zehra J, Kumari C, Bibi A et al. · 2026 · Preprint
Abstract Objective This study aimed to investigate in-hospital mortality rates among different Mannheim Peritonitis Index (MPI) score groups in patients who underwent emergency laparotomy due to hollow viscus perforation. Methods We…
View details →DOI: 10.21203/rs.3.rs-9066416/v1 Negative / Null Result ReportMedicine
Chaudhry A, Moin M, Malik TG et al. · 2026 · JPMA. The Journal of the Pakistan Medical Association
To determine the shape and size of foveal avascular zone in terms of perimeter, circularity, roundness and axial ratio using optical coherence tomography angiography. The retrospective study was conducted at the Yaqeen Vison Clinic,…
View details →DOI: 10.47391/jpma.22735 Negative / Null Result ReportMedicine
He L, Wang K · 2026 · Medicine
Total bilirubin possesses antioxidant and immunomodulatory properties, and its role in childhood asthma is a topic of ongoing debate. We employed both a cross-sectional study and Mendelian randomization (MR) analysis to explore the link…
View details →DOI: 10.1097/md.0000000000049528 Negative / Null Result ReportMedicine
Wei W, Shaibi GQ, Temkit H et al. · 2026 · Journal of pediatric hematology/oncology
Introduction Alkylators are gonadotoxic in a cumulative manner, with overall exposure quantified as the cyclophosphamide equivalent dose (CED). Inhibin B is used as a surrogate marker of fertility in adult male childhood cancer survivors…
View details →DOI: 10.1097/mph.0000000000003226 Negative / Null Result ReportOpen accessMedicine
Barghash M, Obayi E, Itaman U et al. · 2025 · Cureus
Background Hiatal hernia is commonly associated with gastro-oesophageal reflux disease (GORD). However, the relationship between hernia size and reflux severity remains unclear. This study aimed to assess the impact of the hiatal hernia…
View details →DOI: 10.7759/cureus.98131 Negative / Null Result ReportOpen accessMedicine
Md Kasim NA, Shirinal Izuan US, Karuppannan M · 2026 · BMC health services research
BACKGROUND: Healthcare providers commonly recommend medication reminders as a strategy to enhance adherence to prescribed medications. Patient demographic characteristics may influence medication adherence and incorporating patient-centred…
View details →DOI: 10.1186/s12913-026-14457-7 Negative / Null Result ReportOpen accessMedicine
Prates AJ, Curioni OA, Ramos DM et al. · 2026 · Diagnostics (Basel, Switzerland)
Background/Objectives: Laryngeal cancer has a high incidence and mortality rate, especially in advanced stages. Stoma recurrence after total laryngectomy is rare but lethal, and its risk factors remain controversial. We aimed to assess…
View details →DOI: 10.3390/diagnostics16101552 Negative / Null Result ReportMedicine
Voigt MB, Böhner A, Bahaaeldin M et al. · 2026 · CVIR endovascular
To evaluate the occurrence of periaortic inflammation, including abscess formation, as a complication following endoleak repair after endovascular aortic repair. This retrospective single-center study analyzed 88 EVAR revisions for…
View details →DOI: 10.1186/s42155-026-00718-3 Negative / Null Result ReportMedicine
Zhao N, Zhan Y, Choi J et al. · 2026 · The Journal of nutrition
Background The consumption of live microbes beyond probiotics is associated with health benefits. Despite growing interest in live microbe intake, comprehensive data on its dietary sources and research on their potential health effects in…
View details →DOI: 10.1016/j.tjnut.2026.101459 Negative / Null Result ReportOpen accessMedicine
Mostafavi M, Rezazadeh F, Fattahi MJ et al. · 2026 · Journal of dentistry (Shiraz, Iran)
Background Multiple studies have revealed an association between vitamin D levels, genetic polymorphisms of the VDR (vitamin D receptor) gene, and the underlying causes of various bone and cartilage disorders. Purpose This study aimed to…
View details →DOI: 10.30476/dentjods.2025.106238.2644 Negative / Null Result ReportMedicine
Ozaki K, Nishioka Y, Kamitani F et al. · 2026 · Diabetes research and clinical practice
It has been controversial whether COVID-19 increases the risk of new-onset type 1 diabetes mellitus. Using large-scale claims data, we found no statistically significant association between COVID-19 and incident type 1 diabetes mellitus in…
View details →DOI: 10.1016/j.diabres.2026.113366 Negative / Null Result ReportOpen accessMedicine
Buran A, Altaş H, Özkaya Uçar Y et al. · 2026 · Journal of the Turkish German Gynecological Association
Objective To evaluate pathological findings in patients positive for human papillomavirus (HPV)-31. Material and methods This retrospective study included patients evaluated in a tertiary colposcopy clinic. The 3,546 patients tested for…
View details →DOI: 10.4274/jtgga.galenos.2026.2025-12-2 Negative / Null Result ReportOpen accessMedicine
Braun S, Selkridge I, Nocon A et al. · 2026 · Arthroplasty (London, England)
Background Extensor mechanism disruption following total knee arthroplasty (TKA) significantly impairs knee function and quality of life. Extensor mechanism reconstruction (EMR) is effective but carries risks, including post-operative…
View details →DOI: 10.1186/s42836-026-00393-8 Negative / Null Result ReportMedicine
Sarpeleh F, Ehtesham N, Mirjani R et al. · 2026 · Lupus
ObjectiveThe dysfunction of interleukin-7 receptor alpha (IL-7Rα), which is encoded by the IL7RA gene, has been implicated in the development of systemic lupus erythematosus (SLE). This study aimed to investigate the relationship between…
View details →DOI: 10.1177/09612033261429135 Negative / Null Result ReportOpen accessMedicine
Mazurek A, Jankowski M, Grudziąż-Sękowska J · 2026 · BMC nephrology
BACKGROUND: The weekend effect refers to the observation that patients admitted to the hospital on the weekend experience poorer clinical outcomes than patients admitted during the workweek. This effect has not been previously studied…
View details →DOI: 10.1186/s12882-026-04885-2 Negative / Null Result ReportOpen accessMedicine
Chen JSC, Osborne JWA, Menz HB et al. · 2026 · Journal of foot and ankle research
Background Fatty infiltration, or fatty atrophy, of the abductor digiti minimi (ADM) muscle of the foot is proposed to be associated with entrapment of the first branch of the lateral plantar nerve (i.e., Baxter's neuropathy) as part of…
View details →DOI: 10.1002/jfa2.70155 Negative / Null Result ReportMedicine
Millán J, Gal B, Esquerda M et al. · 2026 · BMC medical education
Background In Spain, access to specialized medical training is determined through a highly competitive national examination (MIR). While the educational climate of medical schools has been associated with students' learning outcomes and…
View details →DOI: 10.1186/s12909-026-09516-w Negative / Null Result Report
Zhong R, Chen S, Cui N et al. · 2026 · Preprint
Abstract Background: Adolescents diagnosed with depression frequently experience anxiety and other psychological symptoms. Yet, the interrelationships among multiple psychological symptoms are under-investigated. Network analysis is a…
View details →DOI: 10.21203/rs.3.rs-9811750/v1 Negative / Null Result Report
Mahaboob L, Chehade H, Gnanamuthu SS et al. · 2026 · Preprint
Abstract Background Fast-food consumption has become increasingly prevalent among university students, contributing to unhealthy dietary patterns and rising obesity rates. Understanding students' fast-food consumption habits, knowledge,…
View details →DOI: 10.21203/rs.3.rs-9610403/v1 Negative / Null Result ReportMedicine
Vejdani-Jahromi M, Calle E, Ganem O et al. · 2026 · AJNR. American journal of neuroradiology
Background and purpose Alzheimer disease (AD) is a progressive neurodegenerative disorder that predominantly affects the aging population. Anti-amyloid β (anti-Aβ) therapies, such as lecanemab, have been developed to slow disease…
View details →DOI: 10.3174/ajnr.a9056 Negative / Null Result ReportOpen accessMedicine
Brown J, Abdullah N, Sobuwa S · 2026 · International journal of emergency medicine
BACKGROUND: Endotracheal intubation is a critical life-saving intervention in prehospital emergency care, yet evidence supporting its safe implementation by prehospital practitioners in lower- to middle-income countries remains limited.…
View details →DOI: 10.1186/s12245-026-01183-4 Negative / Null Result ReportMedicine
Lukies M, Darby O, Wani S et al. · 2026 · Journal of medical imaging and radiation oncology
Uterine artery embolisation (UAE) is an evidence-based treatment for symptomatic fibroids and adenomyosis. Ultrasound is commonly utilised for assessment post UAE given its wide availability and low cost; however, contemporary studies…
View details →DOI: 10.1111/1754-9485.70132 Negative / Null Result ReportOpen accessMedicine
Karatutlu AS, Karatutlu MA, Aydin S · 2026 · Renal failure
Chronic kidney disease (CKD) is characterized by progressive renal fibrosis and irreversible loss of kidney function. Decorin, an extracellular matrix proteoglycan with antifibrotic properties, may reflect underlying fibrotic activity and…
View details →DOI: 10.1080/0886022x.2026.2689757