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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.

19906 results in Negative / Null Result Report · page 616 of 664

Negative / Null Result ReportOpen accessMedicine

Relationship between the anxiety of labor companion and labor satisfaction among laboring women.

Nasirzadeh A, Mohammadzadeh F, Kazeminia S et al. · 2025 · Scientific reports

The presence of a known labor companion was shown to improve childbirth satisfaction. However, a companion's anxiety might affect the satisfaction of laboring women. Therefore, this study aimed to evaluate the relationship between the…

View details →DOI: 10.1038/s41598-025-04754-2
Negative / Null Result ReportOpen accessMedicine

Association of Polygenic Risk Scores With Aortic Valve Calcium: The Multi-Ethnic Study of Atherosclerosis.

Whelton SP, Yao J, Clish C et al. · 2026 · Journal of the American Heart Association

Background Aortic valve calcification (AVC) is the primary process leading to aortic stenosis. We examined whether polygenic risk scores (PRS) are associated with AVC beyond traditional atherosclerotic cardiovascular disease risk factors.…

View details →DOI: 10.1161/jaha.124.040064
Negative / Null Result ReportOpen accessMedicine

A Single-Centre Review of Outcomes of Delayed Admission to a Burns Unit.

Isaacs Q, Sofianos C, Muganza A et al. · 2026 · European burn journal

Background: Timely admission to a specialised burn unit is considered crucial for optimising outcomes in burn patients. However, the impact of delayed admission on hospital length of stay and clinical outcomes remains unclear, particularly…

View details →DOI: 10.3390/ebj7020032
Negative / Null Result ReportOpen accessMedicine

Casual effects of type 1 diabetes mellitus on site-specific digestive cancers: a Mendelian randomisation analysis.

Zhao J, Li W, Chen L et al. · 2024 · Frontiers in endocrinology

Objective Despite several observational studies attempting to investigate the potential association between type 1 diabetes mellitus (T1DM) and the risk of digestive cancers, the results remain controversial. The purpose of this study is…

View details →DOI: 10.3389/fendo.2024.1407329
Negative / Null Result ReportOpen accessMedicine

Cardiovascular Disease and COVID-19: Is There a Place for Mid-Regional Pro-Adrenomedullin? Preliminary Data from a Clinical Cohort.

Pietraszko P, Żórawski M, Bielecka-Richter E et al. · 2025 · International journal of molecular sciences

Mid-regional pro-adrenomedullin (MR-proADM) has emerged as a promising biomarker reflecting endothelial dysfunction and systemic inflammation. Its prognostic role in cardiovascular complications, particularly in the context of COVID-19…

View details →DOI: 10.3390/ijms262010081
Negative / Null Result ReportMedicine

Comparison of the Perceived Stress Reactivity Scale with physiological and self-reported stress responses during ecological momentary assessment and during participation in a virtual reality version of the Trier Social Stress Test.

Weber J, Heming M, Apolinário-Hagen J et al. · 2024 · Biological psychology

Valid approaches to conveniently measure stress reactivity are needed due to the growing evidence of its health-impairing effects. This study examined whether the Perceived Stress Reactivity Scale (PSRS) predicts cardiovascular and…

View details →DOI: 10.1016/j.biopsycho.2024.108762
Negative / Null Result ReportMedicine

Shunt timing in low-weight infants in the treatment of hydrocephalus.

Chiarelli PA, Chapman N, Flyer BE et al. · 2024 · Journal of neurosurgery. Pediatrics

Objective The optimal timing of ventricular shunt placement in low-weight and preterm infants remains an unresolved topic in modern pediatric neurosurgery. Shunt placement for hydrocephalus is performed over a wide range of infant weights,…

View details →DOI: 10.3171/2024.1.peds23333
Negative / Null Result ReportMedicine

Lack of association between four biomarkers and persistent post-concussion symptoms after a mild traumatic brain injury.

Boucher V, Frenette J, Neveu X et al. · 2023 · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia

Approximately 15 % of individuals who sustained a mild Traumatic Brain Injury (TBI) develop persistent post-concussion symptoms (PPCS). We hypothesized that blood biomarkers drawn in the Emergency Department (ED) could help predict PPCS.…

View details →DOI: 10.1016/j.jocn.2023.10.007
Negative / Null Result ReportMedicine

Lack of Association Between Immunotherapy and Improvement of Survival for Non-small Cell Lung Cancer Patients With Hemodialysis: A Nationwide Retrospective Cohort Study.

Sawa K, Ihara Y, Imai T et al. · 2024 · Clinical lung cancer

Background The number of patients undergoing hemodialysis continues to increase globally, and the incidence of cancer is high among these patients. Immune checkpoint inhibitors are widely used in patients with advanced cancer, especially…

View details →DOI: 10.1016/j.cllc.2023.11.003
Negative / Null Result ReportOpen accessMedicine

Peripheral immune system activity in young psychiatry patients.

Seizer L, Löchner J, Renner TJ · 2026 · Brain, behavior, & immunity - health

The interaction between the immune system and the central nervous system has been implicated in the development of psychiatric disorders in adult patients. However, comprehensive data regarding pediatric psychiatry are still lacking. This…

View details →DOI: 10.1016/j.bbih.2025.101143
Negative / Null Result ReportOpen accessMedicine

Implicit Bias and Recognition of Biases Among Vascular Surgeons.

Howard KA, Witrick B, Clark A et al. · 2026 · The Journal of surgical research

Introduction Implicit bias can influence behavior and decision-making, such as treatment decisions in clinical settings. Given documented Black-White disparities in vascular care, the purpose of this study was to describe the prevalence…

View details →DOI: 10.1016/j.jss.2026.02.004
Negative / Null Result ReportOpen accessMedicine

Mechanosensitivity and Adipose Thickness as Determinants of Pressure to Reach Deep Fasciae in Cervical and Thoracolumbar Regions.

Pires S, Freitas M, Pinho F et al. · 2025 · Sensors (Basel, Switzerland)

Objective We aimed to quantify the mechanical pressure required to reach the deep cervical and thoracolumbar fasciae, to examine its association with pressure pain threshold (PPT) and adipose tissue thickness, and to determine whether PPT…

View details →DOI: 10.3390/s25165073
Negative / Null Result ReportOpen accessMedicine

Lack of association between breastfeeding duration and body mass index in children and adolescents - A Swedish cohort study.

Haahr Vad O, Önnestam L, Bengtsson Boström K et al. · 2025 · PloS one

Aims The aim of the study was to investigate the association between breastfeeding duration and body mass index (BMI), overweight and obesity in children during follow-up until 16 years of age. Methods Observational cohort study of mothers…

View details →DOI: 10.1371/journal.pone.0319502
Negative / Null Result ReportOpen accessMedicine

<i>IL4</i> Gene Variants rs2243250 and rs2243248 and Their Association with Clinical Phenotypes of Severe Asthma in the Mexican Population: In Silico Functional Analysis and Regulatory Implications.

Montoya-Delgado IB, Ochoa-García IV, Escobedo-Salcedo ZL et al. · 2026 · International journal of molecular sciences

Severe asthma (SA) is a chronic respiratory disease characterized by clinical heterogeneity and poor therapeutic response. Variants in the IL4 gene, including rs2243250 and rs2243248, have been associated with asthma susceptibility and…

View details →DOI: 10.3390/ijms27114711
Negative / Null Result ReportOpen accessMedicine

Lack of association between food insecurity, eating disorders, and orthorexia nervosa: findings from a cross-sectional study in Lebanon.

Sacre H, Haddad C, Rizk R et al. · 2025 · Frontiers in public health

Objectives To investigate the association between food insecurity (FI), eating disorders (EDs), and orthorexia nervosa (ON) among Lebanese university students. Methods This cross-sectional study, conducted between 2021 and 2022, enrolled…

View details →DOI: 10.3389/fpubh.2025.1572654
Negative / Null Result ReportOpen accessMedicine

Lack of Association Between Sodium Intake and Cytokine Levels.

Wistrand H, Kaartinen NE, Jousilahti P et al. · 2024 · Integrated blood pressure control

Purpose The complex pathogenesis of hypertension, potentially involving inflammatory pathways, remains elusive. This study aimed to evaluate the relationship between 24-hour urinary sodium excretion and inflammatory cytokines alongside…

View details →DOI: 10.2147/ibpc.s483495
Negative / Null Result ReportOpen accessMedicine

Accounting for Time-Varying Confounding in a Self-Controlled Case Series of Fluoroquinolone Treatment for Uncomplicated Urinary Tract Infections and Risk of Collagen-Related Events.

Schultze A, Ju S, Drysdale M et al. · 2025 · Pharmacology research & perspectives

We report findings from three SCCS conducted to quantify the association between fluoroquinolone (FQ) use for the treatment of uncomplicated urinary tract infection (uUTI) and tendon rupture, retinal detachment, and uveitis. Female…

View details →DOI: 10.1002/prp2.70124
Negative / Null Result ReportOpen accessMedicine

Cerebrospinal fluid haptoglobin levels and outcome after aneurysmal subarachnoid haemorrhage: Evidence from Mendelian randomization.

Kayode GA, Zagkos L, Oboli G et al. · 2025 · PloS one

Background Subarachnoid haemorrhage (SAH) poses a life-threatening risk, contributing to half of all haemorrhagic strokes, with aneurysmal SAH (aSAH) affecting approximately 6 individuals per 100,000 annually. Following aSAH, the influx of…

View details →DOI: 10.1371/journal.pone.0329287
Negative / Null Result ReportMedicine

Y-Balance Test after ACL Reconstruction: The relationship with knee and hip muscle strength, ankle dorsiflexion range of motion and postural stability.

Rodrigues CAS, Albano TR, Pereira Melo AK et al. · 2024 · Journal of bodywork and movement therapies

Background Y-Balance Test (YBT) assesses postural stability. When is applied to patients after anterior cruciate ligament reconstruction (ACLR), it is not clear which variables influence its result. Objective To connect YBT and postural…

View details →DOI: 10.1016/j.jbmt.2024.10.016
Negative / Null Result ReportOpen accessMedicine

Patient-Surgeon Sex Concordance and Clinical Outcomes After Adult Cardiac Surgery.

Harik L, Gregg AC, Wu Y et al. · 2026 · Journal of the American Heart Association

Background Patient-surgeon sex concordance influences postoperative outcomes in general surgery, but its relevance in cardiac surgery is unknown. Methods This was a cohort study of 223 065 Medicare beneficiaries undergoing coronary artery…

View details →DOI: 10.1161/jaha.125.048015
Negative / Null Result ReportOpen accessMedicine

Associations between usual source of care characteristics and health outcomes in diabetes mellitus: a focus on medication adherence and healthy behaviors in Korea.

Lee SE, Kim CW, Bae JE et al. · 2025 · Epidemiology and health

Objectives This study investigated the associations between usual source of care (USC) characteristics, which incorporate primary care functions, and medication adherence and healthy behaviors in Korean adults with diabetes. Methods We…

View details →DOI: 10.4178/epih.e2025063
Negative / Null Result ReportOpen accessMedicine

Early recurrence of febrile seizures during acute illness: risk factors and lack of association with long-term epilepsy in a Pediatric cohort.

Jiang W, Cheng A, Wang J et al. · 2025 · Frontiers in neurology

Background Febrile seizures (FSs) are a common neurological manifestation in children, affecting 2%-5% of children worldwide. While acute-phase recurrences during the same febrile illness are frequent, their risk factors and implications…

View details →DOI: 10.3389/fneur.2025.1733941
Negative / Null Result ReportOpen accessMedicine

MRI-Based Evaluation of PRP Therapy in Knee Osteoarthritis: WORMS and Synovial Changes at 6 Months.

Wakayama T, Saita Y, Uchino S et al. · 2025 · Journal of clinical medicine

Objective: Platelet-rich plasma (PRP) therapy has become a popular treatment for knee osteoarthritis. We aimed to determine the outcomes of knee osteoarthritis patients following PRP therapy using magnetic resonance imaging (MRI) findings…

View details →DOI: 10.3390/jcm14186408
Negative / Null Result ReportMedicine

Lack of association between nonalcoholic fatty liver disease and intracerebral hemorrhage: A community-based cohort study.

Wu J, Guo J, Wang A et al. · 2023 · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia

Background The association between nonalcoholic fatty liver disease (NAFLD) and intracerebral hemorrhage (ICH) remains unclear. This study aimed to investigate whether NAFLD and its severity predict incident ICH. Methods Participants free…

View details →DOI: 10.1016/j.jocn.2023.09.027