11,310 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.
Martins AP, Games BMM, de Siqueira CE et al. · 2026 · Veterinary medicine international
Introduction Lidocaine is a local anesthetic widely used in veterinary medicine and can be administered intravenously as a continuous infusion during general anesthesia. In addition to its analgesic and anti-inflammatory properties,…
View details →Chen Y, Que YT, Shi D et al. · 2026 · European journal of radiology
Purpose To investigate the diagnostic performance of spectral detector CT (SDCT)-derived reconstructions, including iodine density overlay maps (IDOM) and virtual monoenergetic images at 40 keV (VMI 40keV ), in assessing extramural venous…
View details →de Santana YVS, Vasconcelos EEM, de Melo Monteiro GQ et al. · 2026 · Biomaterial investigations in dentistry
Objective To evaluate the behavior of bioactive glass (BAG)-filled resin composites (Beautifil II / Shofu-BR and Beautifil Flow Plus / Shofu-BF) compared with conventional resin composites (Filtek Z350 XT / Solventum-ZR and Filtek Supreme…
View details →Aslan Ö, Yıldırım A, Durak MH · 2026 · Anti-cancer agents in medicinal chemistry
Introduction To evaluate the effects of dietary Bryonia multiflora Boiss. & Heldr. (B. multiflora) Extract, a rat breast cancer model was used that had been induced chemically with 7,12-dimethylbenz[a]anthracene (DMBA). In the study,…
View details →Liu P, Shi X, Hu J et al. · 2026 · BMC geriatrics
Background We analyzed data from older patients (≥ 65 years) with hip fractures who underwent surgical treatment with unilateral epidural anesthesia (UEA) or combined spinal-epidural anesthesia (CSEA) to compare perioperative outcomes…
View details →Delgado-Flores L, Pérez-Abad M, Di Felice Ardente P et al. · 2026 · Journal of orthopaedic surgery and research
Hypothesis/background Reverse shoulder arthroplasty (RSA) is increasingly used for complex proximal humerus fractures (PHFs). Although lateralized designs have demonstrated advantages in elective indications, their role in acute PHFs…
View details →Liu G, Wang J, Li G et al. · 2026 · Frontiers in psychiatry
Objective This study aims to extract and quantitatively analyze the tree drawing projection indices from groups of patients with depression, patients in remission, and a normal control group, to explore characteristic indicators of tree…
View details →Wang F, Sheng J, Zhang G et al. · 2026 · Health physics
Reducing radiation exposure in pediatric imaging is a key focus globally, and it is necessary to establish diagnostic reference levels (DRLs) for contrast-enhanced computed tomography (CT) in children. This study assesses typical radiation…
View details →Ömezli MM, Torul D, Doğanay Z · 2026 · Quintessence international (Berlin, Germany : 1985)
Purpose The aim of this study was to explore the physical and clinical efficacy of different suture materials used following impacted third molar surgery. Patients and methods This retrospective study included patients who underwent…
View details →Dodd SAS, Adolphe JL, Shoveller AK et al. · 2025 · Frontiers in veterinary science
Introduction Dogs are omnivores, not herbivores, and yet entirely plant-based diets are formulated to meet their current known nutrient recommendations. However, little is known about the metabolic effects of feeding diets containing no…
View details →Ilanjian G, Matthey J, Porões F et al. · 2026 · Abdominal radiology (New York)
Objectives Accurate preoperative identification of extraprostatic extension (EPE) in prostate cancer (PCa) is important for treatment strategies. This retrospective study aimed to determine which MRI sequence provides the most accurate…
View details →Borgognoni AB, Freund SS, Baas J et al. · 2026 · Frontiers in surgery
Introduction Early osseointegration is critical for long-term implant stability, and in-house 3D-printed porous surfaces may enhance bone integration by promoting cellular migration and tissue formation, provided that porosity is balanced…
View details →Tural E, Coşkun ADE, Demi̇r D et al. · 2026 · BMC pregnancy and childbirth
Background The aim of our study is to compare the markers and parameters obtained from complete blood count between patients diagnosed with missed abortion in the first trimester and a healthy pregnant control group. Materials and methods…
View details →Yılmaz E, Güler M, Midilli S et al. · 2026 · Fish physiology and biochemistry
This study evaluated the effects of replacing corn gluten with corn fermented protein in the diets of European sea bass (Dicentrarchus labrax) juveniles (25.9 ± 0.2 g) during a 60-day feeding trial. Four experimental diets were prepared by…
View details →Mukandi I, Turner A, Bishop C et al. · 2026 · Journal of strength and conditioning research
Abstract Mukandi, I, Turner, A, Bishop, C, Beato, M. Neuromuscular and subjective recovery responses to day and night fixtures during congested and noncongested microcycles in professional soccer players. J Strength Cond Res XX(X):…
View details →Çıkman AŞ, Öksüzer MÇ, Hatipoğlu Ö et al. · 2026 · Odontology
Post-endodontic pain is a major concern that negatively impacts patients' quality of life. To date, there is no study examining the effect of the menstrual cycle on post-endodontic pain. Thus, this study aimed to elucidate any significant…
View details →Wang F, Wang T, Lu G et al. · 2026 · Journal of orthopaedic surgery and research
Background Unilateral biportal endoscopy (UBE) can be performed to treat lumbar disc herniation (LDH). Nevertheless, the postoperative clinical outcomes and spinal biomechanical implications following partial discectomy and laminectomy,…
View details →Molnár A, Mavrogeni P, Maihoub S · 2026 · Audiology research
Objectives: This study aimed to analyse the effects of educational levels, sex, and residence on tinnitus-related distress, as well as the severity of depression and anxiety. Material and methods: A total of 235 patients with primary…
View details →Sueiro-Benavides RA, Leiro-Vidal JM, Rodríguez-González JA et al. · 2026 · International journal of molecular sciences
The redox mechanisms of RAW 264.7 macrophages exposed to 2.45 GHz RF-EMF at subthermal specific absorption rates and to lipopolysaccharide (LPS) and/or the SARS-CoV-2 spike protein (CSP) were investigated. To this end, cellular responses…
View details →Bruno F, Bruschetta G, Miller A et al. · 2026 · Foods (Basel, Switzerland)
Biogenic amines are nitrogenous compounds that may occur in foods through plant metabolism, bee enzymatic activity, or microbial decarboxylation. This study evaluated biogenic amines content in monofloral honeys from Algeria and Morocco,…
View details →Liu YH, Du Q, Zhang MR et al. · 2026 · Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]
Objective: To investigate the changes in the positive rate of specific immunoglobulin E (sIgE) for inhalant and ingestive allergens in children at a certain children's hospital in Wuhan City from 2019 to 2024, and to analyze the…
View details →Gunay G, Ece M, Beloglu Tonyali Y et al. · 2026 · The Journal of craniofacial surgery
This study aimed to evaluate the effects of adding tranexamic acid (TXA) and dexamethasone to the irrigation solution of a piezoelectric device during open rhinoplasty on postoperative periorbital edema, ecchymosis, and pain. In this…
View details →da Silva JV, da Silva RC, Ferreira RGDS et al. · 2026 · Frontiers in veterinary science
Introduction This study evaluated the effects of exogenous melatonin (MEL) on morphological and computational alterations in the stomach, duodenum, and liver of hyperprolactinemic rats. Methods Twenty-four animals were divided into three…
View details →Hüseyinova R, Kutbay HG, Basançelebi O et al. · 2026 · Bulletin of environmental contamination and toxicology
This study was conducted in the northeast of Türkiye in an abandoned mine area. There were significant differences between study sites with respect to all heavy metals in the leaves of tree species. Statistically significant differences…
View details →Liu M, Shen X · 2026 · Langenbeck's archives of surgery
Purpose Patients with primary unilateral indirect inguinal hernias and large internal inguinal rings have a higher incidence of seroma formation following laparoscopic transabdominal preperitoneal (TAPP) hernia repair. This study aims to…
View details →Chimeno-Pigrau C, Fernández-Valencia JA, Alías A et al. · 2026 · International orthopaedics
Purpose Accurate acetabular cup positioning is crucial in primary total hip arthroplasty (THA), as malposition is associated with instability and early failure. We hypothesized that acetabular cup orientation may differ according to the…
View details →Cundari M, Kanold L, Bergwall D et al. · 2026 · The international journal of neuropsychopharmacology
Objectives This study aims to compare the performance on motor and cognitive functions of adult patients with attention deficit hyperactivity disorder (ADHD) with or without psychostimulant medication and controls. A secondary objective is…
View details →Kaghazchi A, Karnati J, Ashraf A et al. · 2026 · Surgical neurology international
Background Correction of adult spinal deformity (ASD) using the Roussouly classification, SRS-Schwab classification, or the global alignment and proportion (GAP) score is associated with reduced mechanical complications. However, the…
View details →Li J, Chen Z, Huang R et al. · 2026 · Poultry science
This study was conducted to evaluate the effects of fermented palm kernel cake (FPKC) on growth performance, intestinal health, cecal microbiota, nitrogen metabolism, and ammonia emission reduction of broiler chickens. A total of 900…
View details →Izbizky GH, Sevillano G, Abramor RM et al. · 2026 · Archivos argentinos de pediatria
Introduction. Multiple pregnancies are more frequently associated with adverse maternal and neonatal outcomes. The incidence of multiple pregnancies has increased with the use of assisted reproductive technologies (ART): they account for…
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