e-ISSN: Pending
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.

19871 results in Negative / Null Result Report · page 433 of 663

Negative / Null Result ReportMedicine

Complement C5 inhibitors as add-on rescue treatment in severe AQP4-antibody neuromyelitis optica spectrum disorder attacks: a case series and literature review.

Gan, Abu Hassan, Tan et al. · 2026 · Therapeutic advances in neurological disorders

Acute attacks of aquaporin-4 antibody neuromyelitis optica spectrum disorder (AQP4-Ab NMOSD) are typically managed with intravenous methylprednisolone, with therapeutic plasma exchange (PLEX) reserved for severe episodes. Despite these…

View details →DOI: 10.1177/17562864261449515
Negative / Null Result ReportMedicine

Posterior circulation stroke secondary to atlantoaxial instability-induced vertebral artery dissection and pseudoaneurysm in a paediatric patient.

Bedia Cadelo, García Feijoo, Zamorano-Fernandez et al. · 2026 · BMJ case reports

A boy in his early teens presented with transient visual disturbances and headache. Brain imaging revealed bilateral occipital infarctions, while vascular studies demonstrated bilateral V3 vertebral artery wall abnormalities with…

View details →DOI: 10.1136/bcr-2026-272989
Negative / Null Result ReportMedicine

[The health insurers' perspective on defining and managing healthcare needs].

Malzahn, Höft Budde, Kneißl et al. · 2026 · Innere Medizin (Heidelberg, Germany)

The German healthcare system, despite its high performance, fails to achieve the goal of needs-based service provision. Supply-induced demand, regional disparities and misaligned financial incentives lead to overuse, underuse and misuse of…

View details →DOI: 10.1007/s00108-026-02117-1
Negative / Null Result ReportMedicine

Multimodal digital phenotyping of bipolar disorder subtypes: Differences between bipolar disorder I and II based on passive and active behavioral features from smartphones.

Faurholt-Jepsen, Hammershøi, Bruun et al. · 2026 · Journal of affective disorders

Distinguishing between bipolar disorder type I and II constitutes a significant clinical challenge that relies on retrospective patient recall. Misclassification carries risks of inappropriate pharmacological management. Digital…

View details →DOI: 10.1016/j.jad.2026.122027
Negative / Null Result ReportMedicine

Risk stratification in early-stage Cardiovascular-Kidney-Metabolic Syndrome: The Potency of visceral adiposity and insulin resistance surrogate indices.

He, Lin, Zhang et al. · 2026 · Diabetes research and clinical practice

Cardiovascular-kidney-metabolic (CKM) syndrome defines a pathophysiological continuum linking obesity, metabolic dysfunction, chronic kidney disease, and cardiovascular disease. Stages 0-3 represent a critical subclinical window for…

View details →DOI: 10.1016/j.diabres.2026.113336
Negative / Null Result ReportMedicine

Neurotoxic effects of representative pharmaceutical mixtures from Mediterranean rivers impacted by waste water treated effluents.

Romero-Alfano, Prats, Raldúa et al. · 2026 · The Science of the total environment

Mixture toxicity studies on neuroactive chemicals remain scarce and often rely on simplified combinations of compounds with known modes of action (MoA), despite the frequent non-monotonicity of neuroactive responses. Furthermore, real…

View details →DOI: 10.1016/j.scitotenv.2026.181901
Negative / Null Result ReportMedicine

Atypical gunshot wounds resulting in fetal death: two rare case reports.

Oduncu, Zor, Çimen et al. · 2026 · Forensic science, medicine, and pathology

Gunshot wounds (GSW) pose serious risks to both mother and fetus. Determining the trajectory and cause of death in the fetus in GSW is of forensic importance. This study aims to contribute to the literature with two rare GSW cases leading…

View details →DOI: 10.1007/s12024-026-01271-0
Negative / Null Result ReportMedicine

No Additional Effects of Block- Compared to Even-Periodization of Low-Intensity Training in Junior Cross-Country Skiers.

Walther, Hänel, Krohn et al. · 2026 · International journal of sports physiology and performance

To compare effects of block periodization against evenly distributed low-intensity training on endurance performance in well-trained junior cross-country (XC) skiers. Twenty junior cross-country skiers participated in a crossover design…

View details →DOI: 10.1123/ijspp.2025-0552
Negative / Null Result ReportMedicine

Exertional leg pain is associated with ıncreased disease activity and musculoskeletal ınvolvement, but not MEFV genotype, in familial Mediterranean fever.

Ösken, Çetin · 2026 · Irish journal of medical science

Familial Mediterranean fever (FMF) is characterized by recurrent inflammatory attacks and marked clinical heterogeneity. Exertional leg pain (ELP) is a common but underrecognized manifestation. We aimed to evaluate the association of ELP…

View details →DOI: 10.1007/s11845-026-04511-y
Negative / Null Result ReportMedicine

Magnetocardiography to screen adults with arrhythmogenic cardiomyopathy: A feasibility study.

Friese, Wunderl, Jensch et al. · 2026 · American heart journal plus : cardiology research and practice

Arrhythmogenic cardiomyopathy (ACM) is a primary cardiomyopathy associated with mechanical and electrical dysfunction, making diagnosis a clinical challenge. This feasibility study investigates whether Optically Pumped Magnetometer…

View details →DOI: 10.1016/j.ahjo.2026.100813
Negative / Null Result ReportMedicine

Comparison of CO 2 Laser and Microdebrider in the Surgical Treatment of Pediatric Recurrent Respiratory Papillomatosis: A Retrospective Analysis.

Yerkezhan, Sagandykova, Baurzhan et al. · 2026 · Bioengineering (Basel, Switzerland)

Background . Recurrent respiratory papillomatosis (RRP) in children remains a pressing issue in pediatric otolaryngology, characterized by a chronic course, frequent relapses, and the need for repeat surgical interventions. The aim of this…

View details →DOI: 10.3390/bioengineering13060713
Negative / Null Result ReportMedicine

The Relationship of Vaginal Symptoms and Cervical Inflammation Severity with Cytological Abnormalities and HPV Positivity: A Prospective Observational Study.

Tigli, Deniz, Taskin et al. · 2026 · Biomedicines

Background/Objectives : This study aimed to evaluate the association between the clinical parameters of vaginal infection-specifically the presence, type, number of concurrent symptoms, and recurrence frequency-and cervical cytology…

View details →DOI: 10.3390/biomedicines14061384
Negative / Null Result ReportMedicine

Association of pretransplant pulmonary hypertension with posttransplant renal Doppler ultrasonography findings and biopsy-proven rejection.

Yagdiran, Kirisci, Uslu et al. · 2026 · BMC nephrology

Pulmonary hypertension (PH) is a complex systemic disease. There are insufficient studies in the literature regarding its effect on renal hemodynamics following transplantation. This retrospective cohort study included 244 kidney…

View details →DOI: 10.1186/s12882-026-05156-w
Negative / Null Result ReportMedicine

Prognostic Value of Right Ventricular Performance and Left Atrial Mechanical Efficiency in Paroxysmal Atrial Fibrillation.

Boulmpou, Pagourelias, Zormpas et al. · 2026 · Journal of cardiovascular development and disease

Background : Predicting atrial fibrillation (AF) recurrence remains a major clinical challenge, as conventional echocardiographic parameters often fail to capture the complex electro-mechanical substrate of the arrhythmia. The prognostic…

View details →DOI: 10.3390/jcdd13060269
Negative / Null Result ReportMedicine

Evaluating the Association of a Self-Guided, Asynchronous, Balance Exercise Application on Fall-Related Injuries.

Wain, Steiner, Daddato et al. · 2026 · Journal of the American Geriatrics Society

More than one in four older adults experience a fall each year. While exercise programs are effective in reducing fall-related injuries (FRI), participation remains low due to access barriers. The primary aim of this study was to evaluate…

View details →DOI: 10.1111/jgs.70544
Negative / Null Result ReportMedicine

Relationship between the Systemic ImmuneInflammation Index and Muscle Strength in Patients with Chronic Kidney Disease: A CrossSectional Study of Data from NHANES 2011-2014.

Zhang, Jia, Hou et al. · 2026 · Endocrine, metabolic & immune disorders drug targets

This study aimed to determine the relationship between Systemic Immune-Inflammation Index (SII) and muscle strength in patients with CKD. This cross-sectional study examined adults with CKD using data from the National Health and Nutrition…

View details →DOI: 10.2174/0118715303430103251204120642
Negative / Null Result ReportMedicine

Accuracy of Ultrasound Estimation of Fetal Weight (EFW) at Term: Insights From a Malaysian Tertiary Hospital for Primary Care Implementation.

Sia, Yew, Arumugam et al. · 2026 · Obstetrics and gynecology international

Estimated fetal weight (EFW) is a key determinant of obstetrical decision-making and an independent risk factor of high perinatal morbidity and mortality. However, routine ultrasound during pregnancy test is not universally available in…

View details →DOI: 10.1155/ogi/9992291
Negative / Null Result ReportMedicine

A Prospective Evaluation of Glucagon Stimulation Test Safety in Adults With Chronic Moderate-to-Severe Traumatic Brain Injury.

Snyder, Hillaker, Weppner · 2026 · Endocrinology, diabetes & metabolism

Growth hormone deficiency (GHD) is a common and clinically significant consequence of moderate-to-severe traumatic brain injury (msTBI). The glucagon stimulation test (GST) is widely used to assess growth hormone deficiency; however, the…

View details →DOI: 10.1002/edm2.70260
Negative / Null Result ReportMedicine

Clinical Implications of Stroke Progressor Phenotypes defined based on ASPECTS decay and perfusion estimated infarct growth rate: insights from a large national thrombectomy registry.

Ciacciarelli, Nicolini, Saia et al. · 2026 · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology

Infarct growth rate (IGR) is highly heterogeneous among ischemic stroke patients, reflecting a spectrum of progressor phenotypes with clinical implications. We aim to compare different imaging approaches to investigate stroke progressors…

View details →DOI: 10.1007/s10072-026-09148-4
Negative / Null Result ReportMedicine

The impact of urinary catheterization on urinary tract infection and renal function in elderly patients undergoing hip fracture surgery: A prospective randomized controlled trial.

Serttas, Uysal, Deği̇rmenci̇ et al. · 2026 · Injury

Urinary tract infection(UTI) is a common complication following hip fracture surgery in elderly patients. Urinary catheterization is frequently used to improve patient comfort during prolonged preoperative immobilization; however, its…

View details →DOI: 10.1016/j.injury.2026.113449
Negative / Null Result ReportMedicine

Evaluating the impact of SDHAF3 p.F53L genetic variant on clinically significant QTc prolongation in patients prescribed high-risk medications: a retrospective pharmacogenetic study.

Aalibraheem, Lopez-Medina, Chahal et al. · 2026 · Pharmacogenetics and genomics

Drug-induced QT prolongation (diQTP) can lead to rare, but potentially fatal adverse effects of many medications, yet individual susceptibility varies due to both clinical and genetic factors. SDHAF3 p.F53L (rs62624461) is a genetic…

View details →DOI: 10.1097/fpc.0000000000000610