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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.

21390 results · page 712 of 713

Negative / Null Result ReportMedicine

Can switching between different types of myopia control spectacles enhance effectiveness? Findings from a real-world study.

Zhang J, Pan Q, Jin L et al. · 2026 · The British journal of ophthalmology

Aims To investigate the effect of switching to a different type of myopia control spectacles on myopia progression. Methods This retrospective matched-cohort study involved 1012 children or adolescents who were prescribed myopia control…

View details →DOI: 10.1136/bjo-2025-329403
Negative / Null Result ReportOpen accessMedicine

Flow-reactor synthesis of octahedral Pt-Ni nanoparticles modified with Au and their evaluation as oxygen reduction reaction catalysts.

Nagai T, Kuwaki A, Kodama K · 2026 · Nanoscale advances

Developing oxygen reduction reaction (ORR) catalysts with both high catalytic activity and durability is essential for the commercialization of polymer electrolyte fuel cells (PEFCs). One promising strategy to simultaneously enhance the…

View details →DOI: 10.1039/d5na01009h
Negative / Null Result ReportMedicine

Dietary Ewe's Yogurt Intake Selectively Modulates HDL Subfractions Without Altering LDL Particle Size in Women: A Six-Week Intervention Study.

Gažarová M, Lenártová P, Kopčeková J et al. · 2026 · Nutrients

Background/Objectives: The aim of the study was to assess the metabolic response of women to a six-week consumption of full-fat sheep milk yogurt, with a focus on cardiovascular risk markers, lipid profile, and subfractions of low-density…

View details →DOI: 10.3390/nu18121933
Negative / Null Result Report

Gestational diabetes mellitus and intrahepatic cholestasis of pregnancy – does metformin treatment affect the course of ICP: results of an observational case-control study

Majewska A, J NW, Chambers J et al. · 2026 · Preprint

Abstract Objective: To evaluate the association between metformin treatment in gestational diabetes mellitus and severity of intrahepatic cholestasis of pregnancy (ICP). Design: Retrospective multicentre cohort study. Setting: Six…

View details →DOI: 10.22541/authorea.15003138/v1
Negative / Null Result Report

Fermented Bread Consumption: Effects on Glycaemia in Healthy Populations

Starowicz M, Domínguez-Soberanes J, Garcia-Gutierrez E et al. · 2026 · Preprint

Bread is an important source of energy and is ubiquitous in human diets. As a carbohydrate-rich food, it is often considered to impair glycaemic homeostasis; however, clinical and molecular evidence suggests that its effects may vary…

View details →DOI: 10.20944/preprints202606.0657.v1
Failed Experiment ReportMedicine

Impact of the spatial distribution of positive charges on the catalytic activity of NiSOD bioinspired complexes.

Guinard P, Pécaut J, Le-Goff A et al. · 2026 · Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry

In order to mitigate superoxide-induced damage, cells rely on superoxide dismutases (SODs), a family of metalloenzymes that catalyze the dismutation of superoxide. These enzymes display a positively-charged substrate entrance channel for…

View details →DOI: 10.1007/s00775-026-02150-3
Negative / Null Result ReportMedicine

Impact of serum potassium levels on success of electrical cardioversion in atrial fibrillation.

Vogel MJ, Hacker K, Herting J et al. · 2026 · Clinical research in cardiology : official journal of the German Cardiac Society

Background Electrical cardioversion (ECV) is an effective treatment for restoring sinus rhythm in supraventricular tachycardias such as atrial fibrillation (AFib) and atrial flutter (AFlu). In clinical practice, serum potassium is often…

View details →DOI: 10.1007/s00392-026-02944-0
Negative / Null Result ReportOpen accessMedicine

Design characteristics of studies evaluating the effect of non-surgical periodontal treatment on systemic health outcomes.

Treat T, Jones D, Lorenzano N et al. · 2026 · Journal of periodontology

Background Evidence for whether and how non-surgical periodontal treatment (NSPT) improves systemic outcomes remains equivocal. Inconclusive findings may in part be due to design variations of randomized controlled trials (RCTs) in this…

View details →DOI: 10.1002/jper.24-0847
Negative / Null Result ReportMedicine

Does attachment change serve as a theory-specific mediator of depression reduction in interpersonal psychotherapy versus cognitive behavioral therapy?

Abapolnikova M, Coyne AE, Glushka L et al. · 2026 · Psychotherapy research : journal of the Society for Psychotherapy Research

Objective Although interpersonal psychotherapy (IPT) and cognitive behavioral therapy (CBT) for depression are comparably efficacious, less is known about the respective patient-level processes that help transmit their beneficial effect.…

View details →DOI: 10.1080/10503307.2026.2656698
Negative / Null Result ReportMedicine

Role of sitagliptin in diabetes-induced testicular damage via the Fas/FasL signalling pathway.

Ersoy O, Kizilay G · 2026 · Biotechnic & histochemistry : official publication of the Biological Stain Commission

Clinical and experimental studies have shown that sitagliptin regulates blood glucose levels. This study was designed because it is thought that sitagliptin may reduce diabetes-induced apoptosis in testes by affecting blood glucose levels…

View details →DOI: 10.1080/10520295.2025.2583963
Negative / Null Result ReportOpen accessMedicine

Effects of Using Effective Microorganisms (EMs) and Zeolite on the Development of Productivity and Air and Litter Quality in Broiler Chicken Rearing.

Sosnówka-Czajka E, Skomorucha I, Wojtysiak D et al. · 2026 · Animals : an open access journal from MDPI

The growing greenhouse gas emissions from agricultural production are increasing the pressure on poultry producers to use practices that reduce the environmental impact of farms, mainly by reducing ammonia emissions. The study evaluated…

View details →DOI: 10.3390/ani16060911
Negative / Null Result ReportMedicine

Influence of Microstructure on Mechanical and Electrical Properties of Indium Tin Oxide Thin Films Deposited on Polymer Substrates.

Chommaux T, Renault PO, Godard P et al. · 2026 · ACS applied materials & interfaces

The electrical and mechanical behaviors of 400 nm thick indium tin oxide (ITO) thin films on polyimide substrates were investigated by means of electrical resistivity and synchrotron X-ray diffraction (XRD) measurements during equibiaxial…

View details →DOI: 10.1021/acsami.5c21501
Negative / Null Result ReportMedicine

Effect of temporary suspension of chronic immunosuppressive drugs on day-90 mortality and ICU-acquired infections among critically Ill patients with solid organ transplant: a retrospective multicenter study.

Vaidie J, Demiselle J, Gabriel A et al. · 2025 · Intensive care medicine

Purpose Decision-making for management of immunosuppressive drugs in solid organ transplant patients admitted to the ICU remains controversial. This study aimed to evaluate the impact of a temporary suspension strategy (interruption of…

View details →DOI: 10.1007/s00134-025-08024-7
Negative / Null Result ReportMedicine

Structural and construct validity assessment of the schizophrenia cognition rating scale (SCoRS) using data from three international phase 3 randomized controlled trials (CONNEX programme).

Pascoe B, Cocks K, Clarke N et al. · 2026 · Schizophrenia research

Cognitive impairment associated with schizophrenia (CIAS) is a fundamental symptom of the disorder, which significantly affects individuals' daily functioning and overall quality of life. Currently available antipsychotic drugs have little…

View details →DOI: 10.1016/j.schres.2026.03.028
Negative / Null Result ReportMedicine

[Evolution of thoracic computed tomography after therapy with elexacaftor, tezacaftor, and ivacaftor in patients with cystic fibrosis].

Thimmesch M, Cheping Simo C, Boulay M et al. · 2026 · Revue medicale de Liege

Cystic fibrosis, the most common genetic disorder in Caucasian populations, is caused by mutations in the CFTR gene (Cystic Fibrosis Transmembrane Conductance Regulator), which disrupts chloride ion transport and leads to the production of…

Negative / Null Result ReportMedicine

Effects of time-restricted eating on glycemic control and variability in individuals with overweight/obesity and prediabetes: A secondary analysis of the RESET randomized controlled trial.

Kloura C, Jensen MM, Ekblond TS et al. · 2026 · Diabetes research and clinical practice

Aim The aim of this exploratory analysis was to investigate effects of time-restricted eating (TRE) on glycemic control and variability in adults with prediabetes. Methods This study utilized data from the Restricted Eating Time (RESET)…

View details →DOI: 10.1016/j.diabres.2026.113276
Negative / Null Result ReportOpen accessMedicine

Real-world effectiveness of antibiotics in addition to oral corticosteroids for managing asthma exacerbations in adults.

Mommers I, Mubarik S, van Boven JFM et al. · 2025 · BMJ open respiratory research

Background Antibiotics are widely used to manage acute asthma exacerbations, despite little evidence for their effectiveness. This study assesses the added value of antibiotics alongside oral corticosteroids (OCSs) in treating asthma…

View details →DOI: 10.1136/bmjresp-2025-003506
Negative / Null Result Report

A Cross-Sectional Study to Identify a Possible Relationship Between Coffee Consumption and Metabolic Syndrome Based on the 5th Korea National Health and Nutrition Examination Survey in 2010 (KNHANES V-1) Data

Lee BJ, Kim R · 2026 · Preprint

Background: There is a growing interest in the effects of coffee consumption on the human health. This study was conducted to identify a causal relationship between the coffee consumption and the risk of metabolic syndrome (MetS). Methods:…

View details →DOI: 10.20944/preprints202601.0373.v1
Negative / Null Result ReportMedicine

Sex differences in the effects of stress and a cognitive emotion regulation microintervention on alcohol craving and inhibitory control in AUD.

Holzhauer CG, Bickar L · 2026 · Alcohol, clinical & experimental research

Background The associations of stress and negative emotion with alcohol use are well established. These associations are mediated by cognitive and psychological mechanisms that may be sex-dependent. This pilot study examined sex…

View details →DOI: 10.1111/acer.70268
Negative / Null Result ReportMedicine

Henpecked husbands: parental roles in the monogamous social fish Amphiprion clarkii depend on sex rather than relative size differences within pairs

Kobayashi Y, Hosoda C, Kohda M et al. · 2026 · Journal of ethology

Parental care has a direct and beneficial effect on parental fitness. An important question regarding the evolution of parental care is why parental roles and the amount of care invested are characterized by sexual bias. In species that…

Negative / Null Result ReportMedicine

Impact of 8 Weeks of Moderate- Versus High-Intensity Interval Training on Sleep Quality.

Bourgeois J, Domange C, Celie B · 2026 · International journal of environmental research and public health

Sleep is a fundamental aspect of physiological and psychological functioning, and the beneficial effect of exercise on sleep quality and quantity, depending on training modality, remains underexplored. This study compared the effects of…

View details →DOI: 10.3390/ijerph23020202
Replication Failure

Perceived Psychological Stress and Fecundability among Women Planning Pregnancy: Evidence from a Large Preconception Cohort Study from China

Lan T, Ming J, Liu J et al. · 2026 · Preprint

Objective: Evidence on the stress–fecundability relationship is mixed, and both the population heterogeneity and the effects of moderate stress remain understudied. We aimed to investigate the association of stress with fecundability in…

View details →DOI: 10.22541/au.177095736.68250416/v1
Failed Experiment ReportOpen accessMedicine

Cariprazine augmentation for negative symptoms of schizophrenia: a prospective analysis and literature review.

Okon-Rocha E, Taylor D · 2026 · Therapeutic advances in psychopharmacology

Cariprazine is effective in a number of conditions and has shown efficacy in the treatment of negative symptoms. Data on its use as an adjunct to other antipsychotics is growing. To evaluate the effectiveness of add-on cariprazine in…

View details →DOI: 10.1177/20451253261456389
Negative / Null Result ReportMedicine

Precision biotic alters the effects of mixed <i>Eimeria</i> infection on gut health and microbiota in broiler chickens fed wheat-maize-soybean meal diets.

Kolli RD, Kasireddy B, Iuspa MA et al. · 2026 · British poultry science

1. This 42 d study further examined the physiological mechanisms underlying responses to a precision biotic (PB) on growth performance and ileal amino acid digestibility. It focussed on fermentation profile, caecal soluble protein levels,…

View details →DOI: 10.1080/00071668.2026.2630726
Negative / Null Result ReportOpen accessMedicine

The effect of citicoline administration on visual function improvement in stroke patients at Prof. Dr. Chairuddin Panusunan Lubis Hospital, University of Sumatera Utara, and affiliated network hospitals.

Fransisca S, Sitepu BRE, Delfi · 2026 · Frontiers in medicine

Background Visual disturbances are a common and often debilitating complication following stroke, significantly impairing patients' functional independence and quality of life. Among various neuroprotective agents, Citicoline…

View details →DOI: 10.3389/fmed.2026.1769632
Negative / Null Result ReportMedicine

Determining the smallest worthwhile difference of beta-3 agonist treatment for overactive bladder: a benefit-harm trade-off study.

Omae K, Luo Y, Sahker E et al. · 2026 · World journal of urology

PURPOSE: The smallest worthwhile difference (SWD) represents the minimal beneficial effect of an intervention that patients consider valuable when weighed against its burdens, including potential harms, costs, and inconveniences. We aimed…

View details →DOI: 10.1007/s00345-026-06274-8
Negative / Null Result ReportMedicine

Pathways to Well-Being of Chinese Older Adults: The Roles of Socioeconomic Status, Health, Recreation, and Number of Children.

Zhiping N, Yuanyuan Y, Qichun Z et al. · 2025 · Journal of applied gerontology : the official journal of the Southern Gerontological Society

With the acceleration of China's aging society, how to enhance the subjective well-being of older adults has become a core issue of concern. This study aims to explore the influence mechanisms of socioeconomic status, health, recreation,…

View details →DOI: 10.1177/07334648251409958