11,314 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.
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…
View details →Almutairi M, Mousa I, Alqahtani R et al. · 2026 · Scientific reports
Single-shade composite restorations can adapt to the tooth structure, improve esthetics, and reduce reliance on shade selection. The objective of this study was to assess the effect of four different children's beverages on the color…
View details →DuPaul GJ, Kern L, Dever BV et al. · 2026 · Journal of clinical child and adolescent psychology : the official journal for the Society of Clinical Child and Adolescent Psychology, American Psychological Association, Division 53
Objective Behavioral parent training is a first-line psychosocial intervention for young children with Attention-Deficit/Hyperactivity Disorder. Traditional face-to-face delivery is limited by access to therapists, feasibility, and/or…
View details →Wen B, Wu X, Ma X et al. · 2026 · Frontiers in immunology
The therapeutic strategy for Idiopathic Pulmonary Fibrosis (IPF) has undergone a fundamental transformation over recent decades. Combination therapy with glucocorticoids and immunosuppressants, particularly the "triple therapy" regimen…
View details →Sukmarova ZN, Simonenko VB · 2025 · Kardiologiia
Despite significant advances in pharmacological, interventional, and surgical treatments for cardiovascular diseases (CVDs) in recent decades, it appeared that the effectiveness of standard treatments has reached a ceiling, and growing…
View details →Zhou J, Jiang X, Liu Q et al. · 2026 · Cancer metastasis reviews
Efforts to translate advances in immunology into anti-cancer immunotherapies have progressed rapidly in recent years. Six antibodies acting on programmed death ligand 1 or programmed death 1 pathways were approved in 75 cancer indications…
View details →Kakaletsis N, Ntaios G · 2025 · Polish archives of internal medicine
Embolic stroke of undetermined source (ESUS) represents up to one‑sixth of ischemic strokes, and is associated with an annual recurrence risk of 4%-5% despite contemporary secondary prevention. The hypothesis that oral anticoagulation…
View details →Gweon TG, Kim SJ, Myung DS et al. · 2026 · Gastrointestinal endoscopy
Background and aims Insufficient submucosal lifting because of pretreatment with forceps biopsy frequently complicates endoscopic treatment of rectal neuroendocrine tumors (NETs) and potentially affects procedural outcomes. Despite…
View details →Xu H · 2026 · Nutrition & metabolism
BACKGROUND: Epidemiological data consistently associate low vitamin D status with elevated cardiovascular risk, yet causal mechanisms remain contested. METHODS: This review synthesized evidence through a protocol-guided approach, with…
View details →Horsburgh CR Jr, Jenkins HE, Kendall EA et al. · 2026 · IJTLD open
Background Active screening for TB may help address the global TB burden, but the optimal screening strategies are not defined. We have reviewed the effectiveness of community-wide active screening programmes to assess the characteristics…
View details →Stasinos I, Voulgaris T, Kouimtsidis IA et al. · 2026 · World journal of gastrointestinal pharmacology and therapeutics
Background Risk of post colonoscopy colorectal cancer is related to adenoma miss rate (AMR) during colonoscopy. Artificial intelligence (AI) and Endocuff Vision are tools both used to increase adenoma detection rate (ADR). Aim To assess…
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