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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.

21742 results · page 560 of 725

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

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
Methods Dead-EndMedicine

Comparative Effectiveness of Autologous Blood Clot Therapy (ActiGraft), Autologous Micrograft Therapy (Rigenera), and Advanced Wound Dressings for Refractory Chronic Lower Limb Ulcers: A Real-World Evidence Study.

Khatib M, Robinson D, Lavon E et al. · 2026 · Journal of clinical medicine

Background/Objectives : Chronic lower limb ulcers represent a significant clinical challenge, with conventional therapies achieving healing in only 30-40% of complex cases. This study evaluated the comparative effectiveness of autologous…

View details →DOI: 10.3390/jcm15051902
Negative / Null Result Report

Does the Rating of Care Differ According to Symptoms When Palliative Care Is Provided at the End of Life? Insights from SHARE Data Before and During the COVID-19 Pandemic

Cohen L, Laferrère A · 2025 · Preprint

Palliative care (PC) is a multidimensional approach to end-of-life care aimed at alleviating suffering and enhancing the quality of life for individuals and their families. A key aspect of PC is managing symptoms such as pain, dyspnea, and…

View details →DOI: 10.20944/preprints202510.1534.v1
Negative / Null Result ReportOpen accessMedicine

Predicting Sudden Cardiac Death in Heart Failure with Mildly Reduced/Preserved Left Ventricular Ejection Fraction: A Clinical Review.

Feola M, Landra F, Greco CA et al. · 2026 · Journal of clinical medicine

Cardiac arrest is a way of demise of patients who are affected by heart failure (HF), being more frequent in those with HF with a reduced left ventricular ejection fraction (HFrEF), and is, as such, responsible for 30-50% of cardiac death.…

View details →DOI: 10.3390/jcm15083041
Negative / Null Result ReportMedicine

Why humor's positive effect on memory disappears with aging.

Noël A, Picard L · 2025 · Emotion (Washington, D.C.)

Numerous studies have highlighted the beneficial effect of humor on memory in younger adults. While older adults are known to preferentially process positive information and appreciate humor, no study has investigated whether the effect of…

View details →DOI: 10.1037/emo0001519
Negative / Null Result ReportMedicine

Simulation of Pelvic Organ Prolapse Repair Surgery Using Computational Models of Biodegradable Implants Mimicking Uterosacral Ligaments.

Silva AT, Ferreira NM, Vaz F et al. · 2025 · Journal of biomechanical engineering

Pelvic organ prolapse (POP) is a common pelvic floor disorder resulting from weakened supportive muscles and ligaments. Although the demand for surgeries involving surgical meshes is expected to increase, current options remain limited. In…

View details →DOI: 10.1115/1.4069708
Negative / Null Result ReportOpen accessMedicine

Long-term safety and pulmonary function stabilization with nintedanib in systemic sclerosis-associated interstitial lung disease, 2020-2025: a real-world retrospective study from a reference centre.

Panopoulos S, Poulia V, Vlachogiannis N et al. · 2026 · Rheumatology international

Randomized trials have demonstrated that nintedanib is beneficial for Systemic Sclerosis-associated interstitial lung disease (SSc-ILD) with an acceptable safety profile. We evaluated the long-term safety and efficacy of nintedanib in a…

View details →DOI: 10.1007/s00296-026-06173-6
Negative / Null Result ReportMedicine

Impacts of non-pharmacological interventions on post-intensive care syndrome: An umbrella review of systematic reviews and meta-analyses of randomized controlled trials.

Cai Y, Ren X, Ding C · 2026 · Intensive & critical care nursing

Objectives To assess the effects of various non-pharmacological interventions on long-term outcomes associated with Post-Intensive Care Syndrome (PICS) in intensive care unit (ICU) survivors, based on existing systematic reviews and…

View details →DOI: 10.1016/j.iccn.2025.104326
Negative / Null Result ReportOpen accessMedicine

Addition of a Temporary Portocaval Shunt Does Not Reduce Acute Kidney Injury in Caval-Sparing Liver Transplantation.

Pietersen LC, Broekman N, Broekman N et al. · 2025 · Clinical transplantation

Acute kidney injury (AKI) is a common complication following liver transplantation (LT), with multifactorial etiology. It is believed that perioperative hemodynamic instability could lead to AKI. A temporary portocaval shunt (TPCS) could…

View details →DOI: 10.1111/ctr.70259
Negative / Null Result ReportMedicine

<i>Pseudomonas aeruginosa</i> and Its Unsuspected Ally <i>Lactiplantibacillus plantarum</i>: Enhanced Pathogenicity in A Combined Cystic Fibrosis Sputum - Epithelial Cell Model.

Drost M, Fuhrmann G · 2026 · ACS infectious diseases

Pseudomonas aeruginosa is a notorious bacterial pathogen causing chronic pulmonary infections in people with cystic fibrosis (CF) due to its high tolerance to antibiotics and ability to form recalcitrant biofilms. A newer approach to…

View details →DOI: 10.1021/acsinfecdis.5c00759
Negative / Null Result ReportMedicine

A Targeting Arm for Interlocking Screws Reduces Radiation Exposure: Results of a Prospective Randomized Controlled Trial.

Stanley M, Huang K, Garlich J et al. · 2025 · Journal of orthopaedic trauma

Objectives To compare time, fluoroscopic utilization, and number of misses for placement of far interlocking screws in tibial and femoral nails using a targeting arm (Targeter) versus perfect circle technique (Control). Methods . Design…

View details →DOI: 10.1097/bot.0000000000003066
Negative / Null Result ReportMedicine

Application of cold atmospheric plasma in pyoderma gangrenosum: a pilot study.

Gewiss C, Gehrdau K, Hischke S et al. · 2025 · Journal of wound care

Objective The application of cold atmospheric plasma (CAP) has been described as a promising therapeutic approach for wound healing. Its use in immunologically mediated wounds such as pyoderma gangrenosum (PG) has not yet been sufficiently…

View details →DOI: 10.12968/jowc.2024.0018