20,240 real negative results, null findings, and replication failures · 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.
Mohamed SM, Sayed AM · 2026 · BDJ open
Aim To evaluate the retention of implant retained mandibular overdenture with polyether-ether-ketone (PEEK) bar using either ready-made nylon clips or custom-made PEEK clips over a one-year randomized clinical study. Materials and methods…
View details →Kostianeva-Zhelinska SS, Konareva-Kostianeva MI · 2026 · BMC ophthalmology
Purpose To assess the effect of diabetes mellitus (DM) type 2 on the functional progression of primary open-angle glaucoma (POAG) by comparing the rate of progression (RoP) of POAG in eyes with and without diabetes. Methods In a…
View details →Cai¹ J, Lan² G, Lin² Y et al. · 2026 · Preprint
Abstract Purpose To compare the 1-year efficacy of spherical versus aspheric base curve orthokeratology (OK) lenses in controlling axial length (AL) elongation in myopic adolescents, and to explore differences in their impact on tear film…
View details →Chen C, Zhang J, Hua K et al. · 2026 · Orthopaedic surgery
Purposes Open elbow arthrolysis (OEA) is a common method for treating post-traumatic elbow stiffness, which may lead to severe bleeding when resecting heterotopic ossification (HO) and fibrous scar tissue. The purpose of this study is to…
View details →Kosaka T, Kubo K · 2026 · PloS one
This study aimed to examine the effects of muscle-tendon mechanical properties and electromyographic activity patterns on individual differences in the force-power relationship during jumping with and without countermovement. Twenty men…
View details →Rossmann J, Hense K, Knott M et al. · 2026 · Journal of neurosurgery
Objective Predicting language lateralization using functional MRI (fMRI) in patients with cerebral vascular malformations close to language areas is essential for treatment decision-making and patient outcomes. Functional MRI-based…
View details →Hearris MA, Langan-Evans C, Foo WL et al. · 2026 · European journal of nutrition
PURPOSE: The ergogenic effects of caffeine on cognitive performance are largely restricted to improved alertness and enhanced attention and do not typically extend to other cognitive domains. In contrast, plant extracts and phytochemicals…
View details →Shi Y, Shi X, Li H et al. · 2026 · British journal of hospital medicine (London, England : 2005)
Aims/background Pharmacological therapy can enhance the therapeutic efficacy of radiofrequency ablation (RFA) for atrial fibrillation (AF) and reduce the risk of recurrence. Dronedarone and amiodarone are two commonly prescribed adjuvant…
View details →Hiiragi K, Sopheak T, Sophors C et al. · 2026 · Tree physiology
Although previous studies have suggested that lianas exhibit superior growth compared with trees during dry seasons, their strategies for acquiring water remain poorly understood. This study investigated the water uptake depth and…
View details →Kanazawa M, Mochizuki F, Komori M · 2026 · PloS one
Facial nerve decompression is a surgical procedure performed for severe facial nerve paralysis associated with conditions such as Bell's palsy and Ramsay Hunt syndrome. Classical Western studies by Fisch first established the surgical…
View details →Li F, Huang D, Liang Z · 2026 · BMC anesthesiology
Objective To investigate the awareness, clinical management practices, and training needs of otolaryngologists and anesthesiologists regarding endotracheal tube dislodgement (ETTD) during transoral oropharyngolaryngeal surgery. Methods A…
View details →Hong M, Lee SW, Jung M · 2026 · Journal of hospice and palliative care
Purpose This study aimed to evaluate changes in the proportion of patients receiving palliative sedation (PS) before and after the mass resignation of junior physicians in South Korea. Methods This single-center retrospective chart review…
View details →Wang M, Liu R, Xia T et al. · 2026 · JMIR pediatrics and parenting
Background Patients with mucopolysaccharidosis (MPS) appear to have an increased risk of developing dental disease. Objective This study aimed to evaluate the status of dental caries and dental anomalies among Chinese patients with…
View details →Li Z, Zhu J, Guo J et al. · 2026 · Clinical oral investigations
Objectives This study aimed to investigate the influence of application methods combining different curing modes (pre-curing or co-curing) and flowable composite temperature (room temperature or pre-heating to 68 °C) on the shear bond…
View details →Desai D, Gami V, Doshi P et al. · 2026 · Preprint
Background: Pulse measurement and heart rate are one of the most basic medical skills and yet, is the most important skill that has be learned by all medical professionals. The duration of how long that should be measured is variable…
View details →Al-Obaidi MHR, Mehrabani LV, Hassanpouraghdam MB et al. · 2026 · Scientific reports
Salinity stress harms plant growth and physiological characteristics. To investigate the effect of NaCl salinity stress (without salinity stress and 100 mM salinity) and foliar spray with: control (distilled water), zinc oxide…
View details →Alsayb MA, Makhdoom HQ, Mahallawi WH · 2026 · Scientific reports
Chronic kidney disease has a major impact on the quality of life and mortality, and affects nearly 10% of the global population, with 4.8% prevalence in Saudi Arabia, and the rates increase sharply with age. Despite advances in…
View details →Li B · 2026 · Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons
Background Preoperative imaging factors associated with absorbable plate reconstruction outcomes for medial orbital wall fractures are not well-established. The role of muscle cone integrity on computed tomography (CT) has not been…
View details →Mikulikova I, Lepkova Z, Bandouchova H et al. · 2026 · Veterinarni medicina
Two probiotic ( Lactiplantibacillus plantarum ) supplementation strategies (continuous and cyclic) were evaluated for their ability to enhance resistance of rainbow trout ( Oncorhynchus mykiss ) to Aeromonas salmonicida infection. Neither…
View details →Chen C, Liu HC, Wang RF et al. · 2026 · Zhonghua wai ke za zhi [Chinese journal of surgery]
Objective: To investigate the safety and efficacy of photodynamic therapy(PDT) combined with biliary stent implantation in the treatment of extrahepatic cholangiocarcinoma. Methods: A retrospective cohort analysis was conducted based on…
View details →Zhao C, Zhang M, Li P et al. · 2026 · BMC musculoskeletal disorders
BACKGROUND: The mechanical stability of lumbar transpedicular dynamic stabilization (LTDS) was determined by simulating the degree to which the pedicle screws penetrated the lateral pedicle cortex. METHODS: A finite element model of the…
View details →Bayram S, Atasoy İT, Salduz A et al. · 2026 · Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association
Background Preoperative radiotherapy may impair bone healing and remodeling after wide resection and reconstruction using vascularized fibular grafts for bone tumors. This study evaluated whether preoperative radiotherapy affected union,…
View details →Wang H, Loke JY, Chan WO et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives: Increased axial length is a major risk factor for retinal detachment. This study explored whether, in individuals presenting with unilateral disease, the longer eye was more likely to have rhegmatogenous disease.…
View details →Abudurehemu S, Wang X, Wang J et al. · 2026 · BMC women's health
Objective The purpose of this study was to compare the efficacy of cold-knife conization (CKC) and loop electrosurgical excision procedure (LEEP) in treating cervical adenocarcinoma in situ (AIS) and identify relevant risk factors within a…
View details →Yousef EM, Eldemerdash OM, Senousy MA et al. · 2026 · Neural plasticity
Dexmedetomidine (Dex), an α2-adrenergic receptor agonist, and apigenin (Api), a naturally occurring bioflavonoid, have recently shown neuroprotective effects in experimental models of methotrexate (MTX)-induced neurotoxicity; however, the…
View details →Temiztürk Z, Beyazal OF, Topçu AC et al. · 2026 · Brazilian journal of cardiovascular surgery
Introduction The aim of our study is to investigate the relationship and predictive significance of routinely measured serum lactate values with postoperative atrial fibrillation (POAF) in patients following isolated coronary artery bypass…
View details →Eveson TE, Davis TP, Tindall AJ · 2026 · Journal of orthopaedics
Background Accurate medio-lateral sizing of the distal femur during total knee replacement (TKR) is essential to optimise implant fit and avoid over- or under-hang, which have been associated with suboptimal outcomes. National guidance…
View details →Icoz M, Aktas Ozaltun O · 2026 · Clinical ophthalmology (Auckland, N.Z.)
Purpose To compare the refractive effects of paired-opposite clear corneal incision (p-OCCI) with-the-rule (WTR), against-the-rule (ATR) and oblique astigmatism. Methods This retrospective study was conducted in 131 patients undergoing…
View details →Hu Z, Ma R, Wen Y et al. · 2026 · Cancer medicine
Background The optimal therapeutic strategy for patients with T2-3N0-3 M0 or T1N1-3 M0 hypopharyngeal squamous cell carcinoma (HPSCC) and the use of postoperative radiotherapy with or without systemic therapy for patients with T1-2N1M0…
View details →Kassem BA, Osman SM, El-Mahallawy Y · 2026 · Clinical oral investigations
INTRODUCTION: The stimulatory effects of laser Biostimulation on immediate implant clinical wound healing and radiographic bone quality analysis is with insufficient evidence. AIM: To evaluate the effect of low-level diode laser as a…
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