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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.

21697 results · page 161 of 724

Negative / Null Result ReportOpen accessPhysics and Astronomy

The Multiwavelength Context of Delayed Radio Emission in Tidal Disruption Events: Evidence for Accretion-driven Outflows

K. D. Alexander, R. Margutti, Sebastian Gomez et al. · 2026 · The Astrophysical Journal

Abstract Recent observations presented in Y. Cendes et al. show that optically selected tidal disruption events (TDEs) commonly produce delayed radio emission that can peak years after disruption. Here, we explore the multiwavelength properties of a sample of radio-observed optically selected TDEs, to shed light on the physical process(es) responsible for the late-rising radio emission. We combine new late-time X-ray observations with archival optical, UV, X-ray, and radio data to conclude that a diversity of accretion-driven outflows may power the delayed radio emission in TDEs. Our analysis

View details →DOI: 10.3847/1538-4357/ae40abCited by 9
Negative / Null Result ReportOpen accessMedicine

Mitochondrial Health Through Nicotinamide Riboside and Berberine: Shared Pathways and Therapeutic Potential

F Visalli, Matteo Capobianco, F. Cappellani et al. · 2026 · International Journal of Molecular Sciences

Mitochondrial dysfunction represents a central hallmark of aging and a broad spectrum of chronic diseases, ranging from metabolic to neurodegenerative and ocular disorders. Nicotinamide riboside (NR), a vitamin B3 derivative and efficient precursor of NAD+ (nicotinamide adenine dinucleotide), and berberine (BBR), an isoquinoline alkaloid widely investigated in metabolic regulation, have independently emerged as promising mitochondrial modulators. NR enhances cellular NAD+ pools, thereby activating sirtuin-dependent pathways, stimulating PGC-1α–mediated mitochondrial biogenesis, and triggering

View details →DOI: 10.3390/ijms27010485Cited by 9
Negative / Null Result ReportOpen accessPsychology

On the universality of aesthetic preference and inference: a cross-cultural (Chinese–German) study

Chantal A. Miller, Keshun Zhang, Ronald Hübner · 2025 · Humanities and Social Sciences Communications

Abstract Aesthetic preferences vary widely among individuals and across cultures. These culture-specific aesthetic preferences are reflected in the environment, artistic behaviour, and consumer choices. People have the ability to infer the aesthetic preferences of others within their own culture through their Theory of Aesthetic Preferences , which is a subcategory of the Theory of Mind. An important question is whether people can also infer aesthetic preferences across different cultures. This study aimed to investigate aesthetic preference and aesthetic inference, as well as the underlying m

View details →DOI: 10.1057/s41599-025-04806-yCited by 9
Negative / Null Result ReportOpen accessMedicine

Central Sensitization and Nociplastic Pain: Shared Mechanisms in Fibromyalgia, Osteoarthritis, and Inflammatory Arthritis

Fedir Hladkykh, Tetiana Liadova, Mariia Matvieienko et al. · 2026 · Journal of Pain Research

Introduction: Central sensitization explains the mismatch between structural damage or inflammation and pain intensity in chronic musculoskeletal diseases. It defines the phenotype of fibromyalgia and contributes to persistent pain in…

View details →DOI: 10.2147/jpr.s571311Cited by 9
Negative / Null Result ReportOpen accessEnvironmental Science

Vegetarian diets and cancer risk: pooled analysis of 1.8 million women and men in nine prospective studies on three continents

Yashvee Dunneram, Jia Yi Lee, Cody Z. Watling et al. · 2026 · British Journal of Cancer

BACKGROUND: Vegetarian diets might influence cancer risk. METHODS: We studied 1,645,555 meat eaters, 57,016 poultry eaters, 42,910 pescatarians, 63,147 vegetarians and 8849 vegans in 9 cohorts (UK, US, Taiwan, India). After a median 16 years follow-up, incident cancers were: 4504 mouth and pharynx, 1308 oesophagus (squamous cell), 2105 oesophagus (adenocarcinoma), 3578 stomach, 30,528 colorectum, 2970 liver, 8030 pancreas, 3077 lung (never smokers), 61,368 breast, 11,220 endometrium, 8076 ovary, 45,946 prostate, 7193 kidney, 6869 bladder, 11,651 non-Hodgkin lymphoma, 4658 multiple myeloma and

View details →DOI: 10.1038/s41416-025-03327-4Cited by 9
Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Oncolytic Viruses in Cancer Immunotherapy: From Molecular Engineering to Clinical Translation

Mohammad Fayyad‐Kazan, Sarah Ayad Al-Tameemi, Allal Ouhtit · 2026 · Cells

Cancer immunotherapy has transformed modern oncology, yet durable responses remain limited for many patients due to immune exclusion, adaptive resistance, and tumor heterogeneity. Oncolytic viruses (OVs) have emerged as a novel class of immunotherapeutics that unify direct tumor cytolysis with stimulation of antitumor immunity. By inducing immunogenic cell death (ICD) and releasing tumor-associated antigens (TAAs), OVs remodel the tumor microenvironment (TME) into an inflamed and immune-permissive niche capable of enabling systemic immune activation. Rapid advances in viral engineering have st

View details →DOI: 10.3390/cells15050393Cited by 9
Negative / Null Result ReportOpen accessMedicine

Sarcopenia and Muscle Aging: Updated Insights into Molecular Mechanisms and Translational Therapeutics

T. Nguyen, Tam Dao, Ha Thu Nguyen et al. · 2026 · Endocrinology and Metabolism

Sarcopenia is a progressive, age-related condition characterized by the loss of skeletal muscle mass, strength, and function, which increases the risk of falls, frailty, and loss of independence. Despite growing recognition and its…

View details →DOI: 10.3803/enm.2025.2656Cited by 9
Negative / Null Result ReportOpen accessMedicine

Precision Medicine in Asthma: The Role of Biomarkers

Eleanor Quek, Neve Horn, Salman Siddiqui · 2025 · ImmunoTargets and Therapy

Asthma represents a profoundly heterogeneous syndrome underpinned by multiple, distinct and overlapping immunopathological mechanisms. Nevertheless, prevailing management algorithms continue to adopt a largely uniform, stepwise approach in…

View details →DOI: 10.2147/itt.s532291Cited by 9
Negative / Null Result ReportOpen accessMedicine

The impact of PEEP-guided electrical impedance tomography on oxygenation and respiratory mechanics in moderate-to-severe ARDS: a randomized controlled trial

Dinh Van Trung, Bui Thi Huong Giang, Đang Quoc Tuan et al. · 2025 · Scientific Reports

Electrical impedance tomography (EIT)-guided positive end-expiratory pressure (PEEP) titration may optimize ventilation and reduce ventilator-induced lung injury in acute respiratory distress syndrome (ARDS). We compared EIT-guided PEEP…

View details →DOI: 10.1038/s41598-025-29787-5Cited by 9
Negative / Null Result ReportOpen accessComputer Science

The role of data augmentation and attention mechanisms in UNet and ConvNeXt architectures for optimizing breast tumor segmentation

Mohammadreza Kamsari, Soroush Sadeghi, Gabriel Gomes de Oliveira et al. · 2025 · Scientific Reports

This study conducts a comprehensive analysis of various configurations of the UNet + ConvNeXt Tiny architecture for breast tumor segmentation. We assess the influence of data augmentation, skip connections, attention mechanisms, and…

View details →DOI: 10.1038/s41598-025-29841-2Cited by 9
Negative / Null Result ReportOpen accessMedicine

Impact of Etiology on Mortality and Recovery in Patients With Status Epilepticus

Pia De Stefano, Sira M. Baumann, Urs Fisch et al. · 2026 · Neurology

BACKGROUND AND OBJECTIVES: Although etiology is considered central to outcomes in status epilepticus (SE), previous studies often lacked standardized classification and adjustment for confounders, particularly withdrawal of life-sustaining treatment (WLST). This study examined the association between SE etiology, mortality, and neurologic recovery using the International League Against Epilepsy (ILAE) classification while accounting for confounders and WLST. METHODS: This 2-center observational study included adults (≥18 years) with SE treated at the University Hospitals of Basel and Geneva fr

View details →DOI: 10.1212/wnl.0000000000214624Cited by 9
Negative / Null Result ReportOpen accessMedicine

Immunophenotypic Profile of Adult Glioblastoma IDH-Wildtype Microenvironment: A Cohort Study

Sofia Asioli, Lidia Gatto, Uri Vardy et al. · 2024 · Cancers

Background: Glioblastoma IDH-wildtype (GBM IDH-wt) is the most aggressive brain tumor in adults and is characterized by an immunosuppressive microenvironment. Different factors shaping its tumor microenvironment (TME) regulate tumor progression and treatment response. The aim of this study was to characterize the main immunosuppressive elements of the GBM IDH-wt TME. Methods: Immunohistochemistry for CD3, CD4, CD8, CD163, programmed death ligand 1 (PD-L1) and programmed death 1 (PD1) was performed on surgical tumor specimens from patients diagnosed with GBM IDH-wt, according to the CNS WHO 202

View details →DOI: 10.3390/cancers16223859Cited by 9
Negative / Null Result ReportOpen accessMedicine

Effect of Uncertainty-Aware AI Models on Pharmacists’ Reaction Time and Decision-Making in a Web-Based Mock Medication Verification Task: Randomized Controlled Trial

Corey A. Lester, Brigid Rowell, Yifan Zheng et al. · 2025 · JMIR Medical Informatics

Background: Artificial intelligence (AI)-based clinical decision support systems are increasingly used in health care. Uncertainty-aware AI presents the model's confidence in its decision alongside its prediction, whereas black-box AI only provides a prediction. Little is known about how this type of AI affects health care providers' work performance and reaction time. Objective: This study aimed to determine the effects of black-box and uncertainty-aware AI advice on pharmacist decision-making and reaction time. Methods: Recruitment emails were sent to pharmacists through professional listser

View details →DOI: 10.2196/64902Cited by 9
Negative / Null Result ReportOpen accessPhysics and Astronomy

Indirect searches for dark photon-photon tridents in celestial objects

Tim Linden, Thong T. Q. Nguyen, Tim M. P. Tait · 2026 · Journal of Cosmology and Astroparticle Physics

Abstract We model and constrain the unique indirect detection signature produced by dark matter particles that annihilate through a U(1) gauge symmetry into dark photons that subsequently decay into three-photon final states. We focus on scenarios where the dark photon is long-lived, and show that γ-ray probes of celestial objects can set strong constraints on the dark matter/baryon scattering cross section that in many cases surpass the power of current direct detection constraints, and in some cases even peer into the neutrino fog.

View details →DOI: 10.1088/1475-7516/2026/08/056Cited by 9
Negative / Null Result ReportOpen accessPsychology

AI Chatbot Use and Disclosure for Mental Health Among US Adolescents and Young Adults

Ryan K. McBain, Jonathan Cantor, J. Breslau et al. · 2026 · Archives of Pediatrics and Adolescent Medicine

Importance: The rapid expansion of artificial intelligence (AI) chatbots has coincided with a persistent youth mental health crisis in the US, raising a question about the extent to which young people are turning to this technology for…

View details →DOI: 10.1001/jamapediatrics.2026.2015Cited by 9
Replication FailureOpen accessMedicine

Long-term outcomes of genicular artery embolization for knee osteoarthritis: 12-month efficacy and secondary outcomes from a randomized sham-controlled clinical trial

Tijmen A. van Zadelhoff, Rianne A. van der Heijden, Sita M. A. Bierma-Zeinstra et al. · 2026 · European Radiology

OBJECTIVES: To determine if genicular artery embolization (GAE) is more effective in relieving pain symptoms after 12 months compared to a sham procedure in patients with mild to moderate knee osteoarthritis. A secondary aim was to investigate changes in synovitis observed at 4 months and the correlation with other clinical outcomes. MATERIALS AND METHODS: A randomized controlled trial included patients with mild to moderate knee osteoarthritis unresponsive to conservative treatment, who were randomly assigned to receive either GAE or sham treatment. Follow-up was at 1, 4, 8, and 12 months. Pa

View details →DOI: 10.1007/s00330-026-12505-8Cited by 9
Negative / Null Result ReportOpen accessMedicine

Nectin-4 PET for predicting enfortumab vedotin dose-response in urothelial carcinoma

Akhilesh Mishra, Ajay Sharma, Kuldeep Gupta et al. · 2026 · Science Advances

Optimizing dosing strategies is critical to balance effectiveness and toxicity, especially for drugs with narrow therapeutic windows such as antibody-drug conjugates (ADCs). This study evaluates whether positron emission tomography (PET) imaging targeting Nectin-4 can noninvasively quantify the real-time interaction of the ADC enfortumab vedotin (EV) with tumors in urothelial carcinoma. Using the imaging agent [ 68 Ga]AJ647, dynamic changes in the interaction of EV with Nectin-4 were measured across preclinical models and correlated with therapeutic responses. PET imaging identified dose-depen

View details →DOI: 10.1126/sciadv.ady1111Cited by 9
Negative / Null Result ReportOpen accessMathematics

Evaluation of trajectory analysis for disease risk assessment: a scoping review

Freya Pollington, Spiros Denaxas, Kezhi Li et al. · 2025 · Journal of the American Medical Informatics Association

OBJECTIVES: Increasingly, structured longitudinal electronic health records (EHRs) are being harnessed to predict risk of having present but as yet undetected disease by analyzing "patient trajectories." Trajectory studies explore clinical event associations, characterize disease trajectories, and enhance risk prediction. This scoping review assesses study characteristics and objectives, identifies model types, and appraises model performance and reporting. MATERIALS AND METHODS: We conducted a scoping review, focused on a PubMed and Web of Science search for studies using temporal EHR sequenc

View details →DOI: 10.1093/jamia/ocaf208Cited by 9
Negative / Null Result ReportOpen accessMedicine

Cardiovascular Risk Assessment in Patients with Rheumatoid Arthritis

Ruxandra Oiegar, Dana Pop · 2025 · Journal of Clinical Medicine

Background/Objectives: Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by inflammation of the synovium. The inflammation accelerates the development and progression of atherosclerosis, a key phenomenon in the onset of cardiovascular diseases. The aim of this review was to synthetize the traditional and RA-specific cardiovascular risk (CVR) factors and the CVR assessment guidelines in RA patients. Methods: We performed a PubMed search using specific keywords. We synthetized the main findings. Results: Although the risk factors are the traditional ones, with certain par

View details →DOI: 10.3390/jcm14186461Cited by 9
Negative / Null Result ReportOpen accessEnvironmental Science

Fire weather indices tailored to regional patterns outperform global models

Assaf Shmuel, Teddy Lazebnik, Eyal Heifetz et al. · 2025 · npj natural hazards.

Fire weather indices (FWIs) are widely used to assess wildfire risk, but are typically designed for specific regions and not adapted globally. Here, we present a systematic effort to generate country-specific FWIs that capture regional…

View details →DOI: 10.1038/s44304-025-00126-yCited by 9
Negative / Null Result ReportOpen accessMedicine

Vitamin D and Health Outcomes: State-of-the-Art Review of Triangulated Evidence and Ongoing Controversies

Maria Dalamaga, Rodopi Emfietzoglou, Dimitra Petropoulou et al. · 2026 · Current Nutrition Reports

PURPOSE OF REVIEW: Vitamin D is a pleiotropic hormone with an established role in skeletal integrity and broader actions in immune regulation, inflammation, cellular proliferation, and energy homeostasis. Despite decades of research, its extra-skeletal effects remain controversial, largely due to discordant findings across observational studies, Mendelian randomization studies (MRS), and randomized controlled trials (RCTs). Unlike many prior reviews, this state-of-the-art review synthesizes triangulated evidence across these study designs to clarify outcome-specific causal relationships and on

View details →DOI: 10.1007/s13668-026-00748-2Cited by 9
Negative / Null Result ReportOpen accessNeuroscience

Update on the Symptomatic Treatment of Huntington’s Disease: From Pathophysiology to Clinical Practice

Gonzalo Olmedo‐Saura, E Bernardi, Lidia Bojtos et al. · 2025 · International Journal of Molecular Sciences

Huntington's disease (HD) is the most common autosomal dominant neurodegenerative disorder, characterized by a triad of motor dysfunction, cognitive decline, and psychiatric disturbances. While recent efforts have focused on developing disease-modifying therapies, no treatment has yet demonstrated clinical efficacy. As a result, symptomatic treatment remains the cornerstone of care. However, high-quality evidence from large randomized trials is limited, and therapeutic decisions must rely on clinical expertise and extrapolation from other neurological or psychiatric conditions. This narrative

View details →DOI: 10.3390/ijms26136220Cited by 9
Negative / Null Result ReportOpen accessHealth Professions

Rethinking the ‘wellness influencer’: Medical doctors, lifestyle expertise and the question of credentials

Rachel O’Neill · 2025 · International Journal of Cultural Studies

Medical doctors are central to existing networks for wellness content on Instagram in and beyond the UK, yet remain overlooked within scholarship concerned with this terrain. Taking a case study approach, this article examines three such figures prominent in the UK context. In doing so, it challenges existing conceptualisations of the 'wellness influencer' and argues for an expanded understanding of the category, one that does not assume its representatives are 'lay' persons without recognised expertise in health and well-being. The analysis developed demonstrates that credentials cannot resol

View details →DOI: 10.1177/13678779241307032Cited by 9
Negative / Null Result ReportOpen accessMedicine

Remote Multicomponent Rehabilitation in Intensive Care Unit Survivors

Brenda M O'Neill, Judy Martina Bradley, Bronwen A. Connolly et al. · 2026 · JAMA

Importance: Evidence for remote multicomponent rehabilitation among critical care survivors is sparse. Objective: To investigate the effects of a 6-week, remote, multicomponent rehabilitation intervention in survivors of critical illness following discharge from the hospital after an intensive care unit (ICU) admission compared with standard care on health-related quality of life at 8 weeks. Design, Setting, and Participants: Pragmatic, multicenter, assessor-blinded, randomized clinical trial conducted from December 2022 to November 2025 at 52 National Health Service hospitals in the UK. Parti

View details →DOI: 10.1001/jama.2026.7401Cited by 9
Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Mutational scanning reveals oncogenic CTNNB1 mutations have diverse effects on signaling

Anagha Krishna, Alison Meynert, Karamjit Singh Dolt et al. · 2026 · Nature Genetics

CTNNB1, the gene encoding β-catenin, is a frequent target for oncogenic mutations activating the canonical Wnt signaling pathway, typically through missense mutations within a degron hotspot motif in exon 3. Here, we combine saturation genome editing with a fluorescent reporter assay to quantify signaling phenotypes for all 342 possible missense mutations in the mutation hotspot. Our data define the genetic requirements for β-catenin degron function, refine the consensus motif for substrate recognition by β-TRCP and reveal diverse levels of signal activation among known driver mutations. Tumor

View details →DOI: 10.1038/s41588-025-02496-5Cited by 9
Negative / Null Result ReportOpen accessEnvironmental Science

Predicting temporal stability and resilience from resistance and recovery

Forest ISBELL, A. Mori, Michel Loreau et al. · 2026 · Nature

Stability can be desirable for many natural and social systems. Temporal stability, the invariability of a system over time, can be enhanced by resisting displacement during perturbations, accelerating recovery after them, or both1–4.…

View details →DOI: 10.1038/s41586-026-10498-4Cited by 9
Negative / Null Result ReportOpen accessNeuroscience

Broadband synergy versus oscillatory redundancy in the visual cortex

Louis Roberts, Juho Äijälä, Florian Bürger et al. · 2026 · Nature Communications

The cortex generates diverse neural dynamics, ranging from broadband fluctuations to narrowband oscillations at specific frequencies. Here, we investigated whether broadband and oscillatory dynamics play different roles in the encoding and transmission of visual information. We used information-theoretical measures to dissociate neural signals sharing common information (i.e., redundancy) from signals encoding complementary information (i.e., synergy). We analyzed electrocorticography (ECoG) and local field potentials (LFP) in the visual cortex of human and non-human primates (macaque) to inve

View details →DOI: 10.1038/s41467-026-72444-2Cited by 9
Replication FailureOpen accessMedicine

VIKTORIA-1 Trial of Gedatolisib Plus Fulvestrant With or Without Palbociclib in Hormone Receptor–Positive/HER2−/PIK3CA Wild-Type Advanced Breast Cancer

Sara A. Hurvitz, Rachel M. Layman, Giuseppe Curigliano et al. · 2026 · Journal of Clinical Oncology

PURPOSE Gedatolisib potently targets all four class I PI3K isoforms and mTORC1 and mTORC2 to comprehensively block the PI3K/AKT/mTOR pathway and has shown compelling activity in early clinical trials with palbociclib and fulvestrant.…

View details →DOI: 10.1200/jco-25-02643Cited by 9
Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Dietary Nutrients, Gut Microbiota, and Cardiac Function: From Metabolic Mechanisms to Clinical Applications

Lucia Scisciola, Manuela Giovanna Basilicata, Marta Belmonte et al. · 2026 · Nutrients

BACKGROUND: The heart depends on a continuous and flexible energy supply from fatty acids, glucose, and other substrates. Emerging evidence shows that gut microbiota-derived metabolites-such as trimethylamine-N-oxide (TMAO), short-chain fatty acids (SCFAs), secondary bile acids, indoles, phenylacetylglutamine (PAGln), and branched-chain amino acids-modulate cardiac metabolism and function. Although clinical evidence linking these metabolites to cardiovascular outcomes is expanding, most data remain associative, with limited causal or interventional proof. METHODS: A comprehensive narrative rev

View details →DOI: 10.3390/nu18030467Cited by 9
Replication FailureOpen accessBiochemistry, Genetics and Molecular Biology

Effect of adjuvant carboplatin intensified chemotherapy versus standard chemotherapy on survival in women with high risk, early stage, triple negative breast cancer (CITRINE): randomised, open label phase 3 trial

Yin Liu, Y Gong, X. Zhu et al. · 2025 · BMJ

Abstract Objective To evaluate the efficacy and safety of epirubicin and cyclophosphamide followed by weekly paclitaxel with or without carboplatin as adjuvant therapy for patients with high risk, early stage, triple negative breast…

View details →DOI: 10.1136/bmj-2025-085457Cited by 9