11,312 real negative results, null findings, and replication failures in Medicine · Negative / Null Result Report. Search the index →
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.
Kragness KA, Trader DJ · 2026 · Chembiochem : a European journal of chemical biology
The proteasome degrades ubiquitinated proteins as well as intrinsically disordered proteins that can be processed independently of ubiquitin signaling. The 20S core particle (CP) plays a key role in the degradation of unstructured…
View details →Salama AM, Al-Obeed RS, Helmy A et al. · 2026 · Frontiers in plant science
This study evaluated the combined effects of grafting and deficit irrigation (DI) on soil attributes, vegetative growth, yield components, fruit quality, and water productivity of 'Crimson Seedless' grapevines under semiarid conditions. It…
View details →Glienke L, Hall TL, Ghani KR et al. · 2026 · Urolithiasis
Control of fragment size during laser lithotripsy has taken on increasing importance with adoption of ureteroscopic aspiration technologies. The objective of this study was to characterize the relationship between laser-fiber-to-stone…
View details →Won JH, Shin JW, Kwon J et al. · 2026 · Journal of orthopaedic surgery and research
Purpose To determine whether ulnar positive variance (UPV) and relative ulnar positive variance (RUPV) affect clinical outcomes following arthroscopic transosseous repair of triangular fibrocartilage complex (TFCC) foveal tears. Methods…
View details →Diken Türksayar AA, Öztemel N, Yeşil Kurt İB et al. · 2026 · Odontology
This study evaluated the shear bond strength (SBS) of two dual-cure resin cements to a stereolithography-fabricated 3D-printed permanent crown material after various surface pretreatment protocols. Disc-shaped specimens were fabricated…
View details →Ma Z, Luan H, Abulimiti K et al. · 2026 · BMC surgery
Objective To compare the clinical and radiographic outcomes of posterior lumbar interbody fusion (PLIF) and transforaminal lumbar interbody fusion (TLIF) in the treatment of double-level lumbar spondylolisthesis combined with spinal…
View details →Liu X, Zhao J, Wu Y et al. · 2026 · Scientific reports
Swallowing and diaphragmatic functions share neural regulatory pathways and require synchronous assessment. Patients who have had a stroke are susceptible to many complications, of which dysphagia and diaphragmatic dysfunction are…
View details →Sullivan M, Perea LL, Bradburn E et al. · 2026 · Journal of orthopaedic trauma
Objectives To evaluate whether preoperative intravenous tranexamic acid (TXA) reduces postoperative blood transfusion rates in geriatric patients undergoing operative treatment for hip fracture. Methods Design Prospective, double-blinded,…
View details →Zhang Z, Liu Y, Yang H et al. · 2026 · Frontiers in cellular neuroscience
Purpose To compare the clinical efficacy of endoscopic (ECTR) and open (OCTR) carpal tunnel release for carpal tunnel syndrome (CTS) and provide evidence-based surgical guidance. Methods A retrospective cohort study was conducted including…
View details →Ramos-Ramos V, Dextre-Herrera S, Ramírez-Vargas G et al. · 2026 · Journal of clinical and experimental dentistry
Background Silane is used as a coupling agent on glass fiber posts to enhance chemical interaction at the post-resin cement interface. This in vitro study evaluated the bond strength of silane-treated glass fiber posts at different solvent…
View details →Hassania Y, Hassanpour S, Zendehdel M et al. · 2026 · Poultry science
This study aimed to detemine association of central α-klotho with dopaminergic and melanocortin receptors on feed intake regulation in chicken. 264 meat-type chicken were included 6 experiments, each containing 4 groups. In experiment 1,…
View details →Tez Yaşar BÇ, Çakmak AB, Eberliköse H et al. · 2026 · Children (Basel, Switzerland)
Background/objectives Early childhood caries (ECC) is a chronic inflammatory condition that may impose a systemic burden in pediatric patients. This study aimed to evaluate the association between dental caries severity, classified by dmft…
View details →Kużdżał A, Gambuś K, Moszczyński K et al. · 2026 · Advances in clinical and experimental medicine : official organ Wroclaw Medical University
Background Positron emission tomography (PET) using 18-fluorodeoxyglucose (18-FDG) is the primary imaging modality for mediastinal staging of lung cancer. Higher standardized uptake value (SUVmax) reportedly correlates with more aggressive…
View details →Wan S, Ye L, Yang X et al. · 2026 · Insights into imaging
Objectives This study aimed to design and evaluate a competency-based education (CBE)-oriented modular training model for radiology residents, emphasizing interdisciplinary integration and disease-focused instruction to enhance clinical…
View details →Zera JN, Esper E, Simonson AP et al. · 2026 · International journal of environmental research and public health
Firefighters face high-stress occupational demands and irregular shift work that negatively impact sleep quality, which is intrinsically linked to long-term physical and psychological health. This cross-sectional study examines how the…
View details →Çoban E, Altay B, Ulucan MÇ et al. · 2026 · Brazilian oral research
This study was aimed at comparatively evaluating the relationship between temporomandibular disorder (TMD) and subjective tinnitus, as well as the effects of TMD treatment on masticatory muscle activity, tinnitus symptoms, and patient…
View details →Aka A, Matsuura T, Yoshimura A · 2026 · Journal of functional biomaterials
This study investigated the physicochemical properties of three endodontic bioceramics: MTA Flow White (F), MTA Repair HP (HP), and Nishika Canal Sealer BG multi (BG). Disc-shaped samples were immersed in deionized water for 28 days to…
View details →Rhyou HI, Bae WY, Nam YH · 2026 · Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology
Olfactory dysfunction has been observed in asthma, but its underlying mechanisms are poorly understood. This prospective study assessed olfactory function using the YSK Olfactory Function Test in 30 patients with moderate to severe asthma,…
View details →Lim H, Choi J, Huh JY et al. · 2026 · Current research in toxicology
Vinclozolin is a dicarboximide anti-androgenic fungicide that has endocrine-disrupting impact on mammals. Endocrine disruptors are reported to impair mitochondrial function and reduce adenosine triphosphate (ATP) production. Moreover,…
View details →Shin YJ, Lee KB, Kim SY et al. · 2026 · The journal of advanced prosthodontics
Purpose Full-arch intraoral scanning often suffers from cumulative stitching errors. Segmental scanning using overlapping segments followed by digital merging has been proposed as a potential solution, but quantitative evidence remains…
View details →Guven S, Veizi E, Nazligul AS et al. · 2026 · Journal of orthopaedic surgery and research
Background The role of capsular management in total hip arthroplasty (THA) performed via the posterolateral approach remains debated, particularly regarding its effects on proprioception, balance, and postoperative stability. While…
View details →Moreno-Manrique M, Ródenas JB, Mínguez C et al. · 2026 · Frontiers in veterinary science
Introduction Weaning from artificial milk feeding represents a critical transition in intensively reared dairy lambs, involving dietary change, relocation, and social reorganization, all of which may compromise welfare, immune status, and…
View details →Spandita HL, Jain C · 2026 · Language, speech, and hearing services in schools
Purpose The study aimed to assess the effect of verbal working memory (WM) training on auditory processing abilities, WM, and listening effort (LE) in children with central auditory processing disorders ((C)APD). Method The study involved…
View details →Takano Y, Shirai T, Tanaka Y et al. · 2026 · Scientific reports
This study aimed to elucidate the differences between subjective and objective symptoms of edema during the menstrual cycle in female university students with regular menstruation. The study included 29 female university students with…
View details →Mutavdzic P, Kokovic T, Gakovic B et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Carotid artery stenosis has traditionally guided therapeutic decision-making; however, plaque morphology and composition are increasingly recognized as more reliable indicators of cerebrovascular risk than…
View details →Jackson PD, Helwig M, Bbuye M et al. · 2026 · PLOS global public health
Post-tuberculosis lung disease (PTLD) is a frequent complication after TB cure, affecting millions globally. Yet, its mechanisms, particularly the role of lipid mediators (LMs) in resolution of inflammation are not clear. This study aimed…
View details →Herrera-Torres OA, Flores-Zapata J, Ferreyro-Bravo F · 2026 · Nutricion hospitalaria
Introduction Introduction: the estimation of body fat mass (FM) can be performed using different methods. Although Dual-Energy X-ray Absorptiometry (DXA) is considered the reference technique due to its precision and reproducibility, its…
View details →Fu J, Han P, Xu J et al. · 2026 · PeerJ
Objective This study aimed to analyze the correlations between pathological characteristics, risk factors, and inflammatory biomarkers in patients with thymic epithelial tumors (TETs) undergoing surgical resection. Methods A retrospective…
View details →Albayrak HC, Taşın S, İsmatullaev A · 2026 · Polymers
This in vitro study evaluated the effects of whey protein isolate and concentrate on surface roughness, color stainability, and translucency of 3D-printed definitive resins. Five 3D-printed resins were tested: Alias Dental Crown (AC),…
View details →De Silva S, Charles-Nelson A, McQuilten Z et al. · 2026 · Australian critical care : official journal of the Confederation of Australian Critical Care Nurses
Background Survivors of critical illness often have poor health-related quality of life (HRQoL). However, it is unclear what factors are associated with changes in HRQoL after critical illness. Objectives The aim of this study was to…
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