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Failure-mode index

Search what already failed

A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.

21379 results · page 674 of 713

Negative / Null Result ReportOpen accessMedicine

Comparison of the effects of direct and remote ischemic post and preconditioning in the kidney of young rats: histological and laboratory evaluation.

Oliveira AHA, Paula DM, Serafini S et al. · 2026 · Acta cirurgica brasileira

Purpose To evaluate the effects of direct and remote ischemic preconditioning and postconditioning on kidney ischemia-reperfusion injury in young rats. Methods This study was divided into two experimental phases: preconditioning and…

View details →DOI: 10.1590/acb410726
Negative / Null Result ReportOpen accessMedicine

Is there a difference in textbook outcomes of emergency cholecystectomy in older patients compared with younger patients?

Kesgin YM, Kaan AZ, Arslan M et al. · 2025 · World journal of emergency surgery : WJES

Background Textbook outcome (TO) is a concept that describes achieving an uneventful course for a patient undergoing surgery. It was first described for colorectal surgery and is now increasingly linked to various topics of surgical…

View details →DOI: 10.1186/s13017-025-00610-w
Negative / Null Result ReportMedicine

Temporal structure of two call types produced by competing male cicadas.

Ishimaru T, Aihara I · 2025 · The Journal of experimental biology

Male cicadas emit sounds to attract females. The acoustic traits of calls vary among species and show unique patterns that dynamically change, even in the same bout. While the calling behavior of a single cicada has been quantified for…

View details →DOI: 10.1242/jeb.249399
Negative / Null Result ReportMedicine

Understanding caffeine's impact on sustained attention in early phase psychosis: Unveiling cognitive insights through the use of EEG.

Francis AM, Anderson TJ, McKearney KJ et al. · 2025 · Psychiatry research. Neuroimaging

Cognitive impairment, particularly in attention and working memory, is a notable feature of schizophrenia (SZ). Individuals with SZ frequently consume high levels of caffeine, often exceeding 550 mg daily, yet the cognitive effects of this…

View details →DOI: 10.1016/j.pscychresns.2025.112006
Negative / Null Result ReportOpen accessMedicine

Testing the Causal Association Between Metabolic Syndrome and Periodontitis: A Two-sample Mendelian Randomisation Study.

Yan J, Zheng W, Xie S et al. · 2025 · International dental journal

Introduction and aims Observational studies suggest an association between metabolic syndrome (MetS) and periodontitis. However, observational studies are susceptible to reverse causation and confounding factors, so the causality of this…

View details →DOI: 10.1016/j.identj.2024.10.018
Negative / Null Result ReportMedicine

Quantitative analysis of 'virtual' SSP assessment clinics in the NHS bowel cancer screening programme in England.

Nickerson C, Wright S, Pickering L et al. · 2025 · Journal of public health (Oxford, England)

Background Bowel cancer screening in England is initially carried out using a home testing kit, with those who require further testing first being referred to an assessment clinic. During COVID-19, these assessment clinics became 'virtual'…

View details →DOI: 10.1093/pubmed/fdaf011
Negative / Null Result ReportMedicine

The association between maternal diabetes, antidiabetic medication use, and severe ADHD requiring inpatient care: A registry-based cohort study.

Damtie Y, Betts K, Dachew BA et al. · 2025 · Journal of psychosomatic research

Background Limited evidence exists on the association between maternal use of antidiabetic medications and neurodevelopmental outcomes in children. This study examined the link between maternal diabetes, antidiabetic medication use, and…

View details →DOI: 10.1016/j.jpsychores.2025.112167
Negative / Null Result ReportMedicine

Comparative Phylogenetic Study on Host Newts (Caudata: Salamandridae) and Parasitic Mites (Acariformes: Hydrachnidia: Hygrobatidae) in East and Southeast Asia.

Shen Y, Nishikawa K, Hiruta SF et al. · 2025 · Zoological science

The water mite genus Hygrobates and the newt family Salamandridae are distributed widely in the northern hemisphere. However, only in Eastern and Southeastern Asia a host-parasite association developed, with several Hygrobates species,…

View details →DOI: 10.2108/zs240074
Negative / Null Result ReportMedicine

Effect of an 8-Week Bifidobacterium lactis HN019 Supplementation on Functional Constipation: A Multi-Center, Triple-Blind, Randomized, Placebo-Controlled Trial.

Ala-Jaakkola R, Forssten SD, Cheng J et al. · 2025 · Molecular nutrition & food research

Functional constipation (FC) is characterized by difficult, infrequent, or incomplete bowel movements without clear physiological cause. Daily intake of Bifidobacterium lactis HN019 has been shown to reduce colonic transit time or…

View details →DOI: 10.1002/mnfr.70081
Negative / Null Result ReportMedicine

Supportive Environmental Features at Home as Proactive/Reactive Associates of Disability and Mortality Status in Older Adults.

Barbakoff D, Glennie K, Yan M et al. · 2026 · Journal of applied gerontology : the official journal of the Southern Gerontological Society

Supportive environmental features (SEFs) are attributes of homes that help people overcome activity limitations. Evidence suggests that SEFs may facilitate aging in place. However, real-life SEF implementation patterns are not fully…

View details →DOI: 10.1177/07334648261429572
Negative / Null Result ReportMedicine

Sensorimotor dysfunction does not predict pain-related cognition, but proprioception is associated with pain catastrophizing and pain self-efficacy in people with lower limb tendinopathy: A cross-sectional study.

Mest J, Flood A, Preston P et al. · 2026 · Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine

Objectives To investigate if sensorimotor function predicts pain-related cognition in people with lower limb tendinopathy. Design Single-cohort, cross-sectional study. Setting Sports and exercise research laboratory. Participants…

View details →DOI: 10.1016/j.ptsp.2026.101921
Negative / Null Result ReportMedicine

Effectiveness of the SAGIP mental health mobile application for the academic community: a longitudinal study.

Rilveria JRC, Grepo LC, Lim PMQ et al. · 2026 · Npj mental health research

Mental health mobile applications are increasingly used to address psychological distress and promote well-being, yet evidence on how and when these tools exert their effects over time and what constitutes meaningful engagement remains…

View details →DOI: 10.1038/s44184-026-00219-0
Negative / Null Result ReportMedicine

Feel lonely? Get active: Exploring the daily relationship between accelerometer-measured physical activity and loneliness.

Zhang S, Song Y, Steptoe A et al. · 2026 · Psychology of sport and exercise

Previous research has demonstrated a link between physical activity and loneliness, though the direction of this relationship remains unclear. This study explored daily fluctuations in the temporal relationship between physical activity…

View details →DOI: 10.1016/j.psychsport.2026.103122
Negative / Null Result ReportOpen accessMedicine

Retraction: miR-365 secreted from M2 Macrophage-derived extracellular vesicles promotes pancreatic ductal adenocarcinoma progression through the BTG2/FAK/AKT axis.

· 2024 · Journal of cellular and molecular medicine

Xin Li, Hao Xu, Jianfeng Yi, Chunlu Dong, Hui Zhang, Zhengfeng Wang, Long Miao, Wence Zhou. miR-365 secreted from M2 Macrophage-derived extracellular vesicles promotes pancreatic ductal adenocarcinoma progression through the BTG2/FAK/AKT…

View details →DOI: 10.1111/jcmm.18188
Negative / Null Result ReportMedicine

The relationship between smoking and clinical outcome in ischemic stroke patients undergoing reperfusion therapy.

Kömürcü HF, Sever N, Gökdereli NS et al. · 2025 · Neurological research

Background It has been suggested that smokers have higher recanalization rate, lower risk of cerebral hemorrhage and better prognosis than non-smokers (smoking paradox) after reperfusion therapy in patients with acute ischemic stroke (IS).…

View details →DOI: 10.1080/01616412.2024.2448628
Negative / Null Result ReportMedicine

Behavior of Listeria monocytogenes in commercial queso fresco and queso cotija and investigation of salt concentration as a control factor

Andersen Z, Kilgore S, Waite-Cusic J et al. · 2025 · Journal of Dairy Science

Hispanic-style cheeses (HSC), particularly fresh soft varieties, have been associated with numerous outbreaks of Listeria monocytogenes, highlighting the need to identify product characteristics or interventions that could mitigate L.…

Negative / Null Result ReportOpen accessMedicine

Adolescent Exposure to Nicotine and Ethanol Attenuates Adult Nicotine Reward Sensitivity in Rats.

Toyoshima M, Toyofuku R, Shimoda S et al. · 2026 · Neuropsychopharmacology reports

Adolescence is a sensitive developmental stage in which exposure to addictive substances can produce long-lasting changes in the neural circuits that regulate reward. Nicotine and ethanol are frequently co-used among adolescents, and…

View details →DOI: 10.1002/npr2.70132
Negative / Null Result ReportOpen accessMedicine

An Occurrence of Mass Psychogenic Illness: LeRoy, New York.

McVige J, Masset L, Mechtler L et al. · 2026 · Journal of child neurology

Mass psychogenic illness (MPI), also known as mass sociogenic illness, is a functional neurologic symptom disorder affecting multiple people simultaneously. This study presents a pediatric MPI outbreak involving abrupt-onset tics in LeRoy,…

View details →DOI: 10.1177/08830738251369759
Negative / Null Result ReportMedicine

Presence and potential impact of anthropogenic nesting materials on a colonial breeding waterbird.

Ferreira HRS, Hadden AC, Champagnon J et al. · 2025 · The Science of the total environment

Despite the vital importance of wetlands globally, these habitats have increasingly received anthropogenic materials, such as plastics, which can impact the wildlife these habitats support. Despite commonly found in the nests of Eurasian…

View details →DOI: 10.1016/j.scitotenv.2025.178588