20,253 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.
An MH, Kim C, Min K et al. · 2026 · Discover oncology
Background The ProtecT randomized trial found similar survival between active surveillance (AS), radiotherapy (RT), and radical prostatectomy (PT) in localized prostate cancer (PC), but observational studies yielded conflicting results.…
View details →li j, Chen Y, Chen Y et al. · 2026 · Preprint
Abstract Objective To investigate the association between perioperative hypothermia and postoperative muscular calf vein thrombosis (MCVT) in patients undergoing total knee arthroplasty (TKA), and to evaluate the predictive performance of…
View details →Doğan D, Öksüz C, Çakır Ö et al. · 2026 · Biomedicines
Background/Objectives: Differentiating mediastinal lymphadenopathy associated with lung cancer from sarcoidosis remains a clinical challenge because of overlapping imaging findings. This study evaluated whether CT-derived radiomic…
View details →Zhen B, Yang X, Yao B · 2026 · Scandinavian journal of psychology
Child abuse has been significantly associated with children's mobile phone dependence (MPD), particularly in left-behind children (LBC). However, whether distinct forms of child abuse (physical and emotional) are associated with MPD in LBC…
View details →Idawati, I. (Idawati), Wahyudi, W. (Wahyudi), Endang, B. (Busri) · 2016
In this research method used is quantitative method, the type of comparative studies, to compare existing organizational culture in school achievement. Data used primary data. The results showed that (1) There is no significant difference…
View details →Huaizhou You (414624), Chuanming Hao (124404), Ying Zhou (25031) et al. · 2013
(a1) Failure plots for probability of survival at 90 days between high and low 25-hydroxyvitamin D level subgroups. No significant difference between the two subgroups was found (log rank, p = 0.554). (b1) Failure plots for probability of…
View details →Boualia B, Sandeli A, Boulebd H et al. · 2026 · ACS omega
In this research, we present the successful synthesis of benzimidazolium salts ( 2a - e ) and their corresponding selenium-NHC adducts ( 3a - e ), achieved with satisfactory yields ranging from 75% to 88%, and characterized using…
View details →Qaid MM, Al-Garadi MA, Al-Abdullatif AA et al. · 2026 · Poultry science
Coccidiosis remains a major constraint in poultry production; therefore, this study evaluated the anticoccidial efficacy of a phytogenic blend of cinnamon bark and Rumex nervosus leaf in Eimeria tenella-challenged broilers. Birds were…
View details →Hayashi E, Kano H, Nakamura K et al. · 2026 · Respirology case reports
Small-cell lung cancer (SCLC) has a poor prognosis, and the efficacy of tarlatamab for untreated brain metastases remains unclear. We report a case demonstrating a discrepant response between extracranial and intracranial lesions after…
View details →Wei X, Xue M, Fan B et al. · 2026 · BMC pulmonary medicine
Background Long-term changes in lung function in children with symptom control asthma are rare. To assess the trajectory of pulmonary function in children and analyze the influence factors. Methods The effects of gender, age, Body Mass…
View details →Eltahir M, Young K, Younes S et al. · 2026 · American journal of clinical pathology
Objectives Determination of B-cell clonality in formalin-fixed, paraffin-embedded tissues is challenging, especially in cases where tumor B cells are sparse. Flow cytometry is of limited utility in Hodgkin lymphomas, at least in part due…
View details →Hauck F, Herber V, Moecke S et al. · 2026 · International journal of oral implantology (Berlin, Germany)
Purpose The aim of this pilot preclinical study was to investigate the performance of a novel double-lead thread, conical bone-level ceramic implant manufactured by injection moulding (test group) in comparison to a well-established…
View details →Uğurlu İ · 2026 · Journal of clinical laboratory analysis
Background Apelin-13 and Galectin-3 (Gal-3) are bioactive mediators linked to inflammation and cardiometabolic pathways. Their clinical utility in COVID-19 alongside routine laboratory tests remains unclear. Methods In this case-control…
View details →Yang B, Guo Y, Li J et al. · 2026 · Preprint
Abstract Purpose This study presents the first national-scale assessment of heavy metal contamination, ecological risks, and human health implications in paired park surface dust and soil across 40 Chinese cities over a 15 years period…
View details →Rouzic FL, Lacroix J, Ehrmann A et al. · 2026 · Preprint
Abstract Background Several walking tests assess mobility and fall-related function in older adults, but their clinimetric properties remain insufficiently documented across task conditions and assessment environments. Augmented reality…
View details →Qian MY, He LY, Lan P et al. · 2026 · International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases
This study aimed to identify predictors of outcomes and evaluate the therapeutic impact of surgical intervention in CM patients, with a specific focus on the growing HIV-negative population in East Asia. We conducted a single-center…
View details →Li L, Wang C, Ji Y et al. · 2026 · Behavioral sciences (Basel, Switzerland)
Previous research suggests receiving a concurrent auditory version of text during reading, i.e., reading-while-listening, improves eye-movement behavior in less skilled readers, while disrupting skilled reading. We extended this approach…
View details →Seiser M, Deininger C, Fierlbeck J et al. · 2026 · European journal of trauma and emergency surgery : official publication of the European Trauma Society
Purpose External fixators are essential for the surgical management of long-bone fractures, particularly in resource-limited settings where access to commercial systems is often restricted by cost and logistics. This study aimed to develop…
View details →Batool SM, Lee H, Muralidharan K et al. · 2026 · Cancers
Characterizing the m6A epigenetic landscape is essential for understanding glioma biology, yet transcriptome-wide mapping of these modifications at isoform resolution across specific tumor subtypes has remained limited. Conventional…
View details →Chen Y, Gao L, Zheng Z et al. · 2026 · Scientific reports
Preoperative decision-making regarding extended pelvic lymph node dissection (ePLND) in prostate cancer remains challenging. Existing nodal-risk prediction tools are mainly based on clinicopathologic variables and may show suboptimal…
View details →Alghonemy WY, Ahmed NM, Abou Samra AA et al. · 2026 · Journal of oral biology and craniofacial research
Objective To evaluate the regenerative effects of platelet-rich plasma (PRP) combined with 3% low-molecular-weight hyaluronic acid (HA) gel in treating ligature-induced periodontitis in rats. Methods •40 male albino rats divided into 5…
View details →Selim AAMA · 2026 · Natural product research
Three hydrazone chromones 3a-c ( 3a, b in trans isomer while 3c was a mixture) and three hydrazone furanochromones 7a-c ( 7a in trans while 7b, c in cis ) carrying carboxylic acid or its bioisostere sulphonamide group were synthesised.…
View details →Chen L, Liang W, Guo Y et al. · 2026 · Biomedical chromatography : BMC
Paeoniae Radix Alba (PRA, roots of Paeonia lactiflora Pall.) yields stir-baked (sbPRA), charred (cPRA), and carbonized (caPRA) specifications through increasing degrees of stir-baking. In this study, an ultrahigh-performance liquid…
View details →Omran SA, Elnaggar MS, Youssef FS et al. · 2026 · Natural products and bioprospecting
Marine-derived Penicillium fungus gained significant attention in recent years due to their potential as a valuable source of unique natural compounds with a wide range of chemical structures and bioactive capabilities. The primary origins…
View details →Burke ND, Anderson AL, Schjenken JE et al. · 2026 · Preprint
ABSTRACT Capacitation, the process whereby sperm gain the functional competence to fertilize an egg in the absence of de novo transcription and translation, is orchestrated by a hierarchy of kinases driving the phosphorylation of sperm…
View details →Kang AJ, Tseng CH, Wei MY · 2026 · The journals of gerontology. Series A, Biological sciences and medical sciences
Background Accurate case ascertainment of chronic conditions is critical for research, clinical decision-making, and population health management, especially for older adults with high multimorbidity. However, validation of ICD-based case…
View details →Joy N, Soslow JH, Crum K et al. · 2026 · Cardiology in the young
Background Pulmonary valve replacement may be required for patients with pulmonary valve disease. Exertional symptoms related to cardiovascular disease are an indication for pulmonary valve replacement; however, quantification of symptom…
View details →Boscariol R, Tressoldi P · 2026 · Preprint
This preregistered study is a replication and extension of prior exploratory work comparing an Intuition Market (IM) with a traditional Prediction Market (PM) in forecasting binary financial outcomes. A previous exploratory study suggested…
View details →Tang L, Sun C, Chen Z et al. · 2026 · Preprint
Abstract Background This study aimed to investigate the effects of curcumin supplementation and aerobic exercise on delaying age-related skeletal muscle atrophy and to further explore their potential synergistic effects. The findings are…
View details →Aghdam EB, Romeralo C, Knapp DG et al. · 2026 · Preprint
Abstract Soilborne oomycetes of the genus Phytophthora are an increasing concern in European beech ( Fagus sylvatica ) forests, where they can damage root systems and contribute to tree decline. Because Phytophthora inoculum may persist in…
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