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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.

AllReplication FailureNegative / Null Result ReportFailed Experiment ReportAbandoned HypothesisMethods Dead-EndShort NoteNull DatasetProtocol

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.

By fieldMedicine 12,381Computer Science 766Biochemistry, Genetics and Molecular Biology 478Psychology 327Social Sciences 326Physics 280Neuroscience 270Economics, Econometrics and Finance 223Environmental Science 194Agricultural and Biological Sciences 164Mathematics 163Engineering 158

20227 results in Negative / Null Result Report · page 228 of 675

Negative / Null Result ReportMedicine

Difference in outcomes between right and left posterior descending artery percutaneous coronary intervention: an Australian statewide registry analysis.

Rahman Zahin, Batchelor, Brennan et al. · 2026 · The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology

Percutaneous coronary intervention (PCI) is an important treatment for coronary artery disease, and coronary dominance may influence procedural risk. PCI to a left-sided posterior descending artery (L-PDA) occurs in the setting of…

View details →DOI: 10.1186/s43044-026-00755-2
Negative / Null Result ReportMedicine

Choledochoduodenostomy versus transpapillary stent by endoscopic retrograde cholangiopancreatography for preoperative biliary drainage before pancreatoduodenectomy: a French multicenter retrospective cohort study.

Belfil, Diai, Gonzalez et al. · 2026 · Surgical endoscopy

 Few studies have compared the different types of endoscopic biliary drainage, particularly endoscopic retrograde cholangiopancreatography (ERCP) versus Endoscopic ultrasound guided-Choledochoduodenostomy (EUS-CD), for jaundice caused…

View details →DOI: 10.1007/s00464-026-12722-8
Negative / Null Result ReportMedicine

Prospective Methodology Results in Higher Rates of Reported Complications Following Pediatric ACL Reconstruction.

Martin, Ellis, Agonias et al. · 2026 · Journal of pediatric orthopedics

The incidence of pediatric anterior cruciate ligament reconstructions (ACLR) has drastically increased over the last 20 years. Previous studies have sought to characterize postoperative complications, but few have utilized a prospective,…

View details →DOI: 10.1097/bpo.0000000000003359
Negative / Null Result ReportMedicine

The Effect of Guided Imagery and Music with Sasando Music on Anxiety among Ischemic Stroke.

Mbau, Handayani, Kusumaningrum · 2026 · Iranian journal of nursing and midwifery research

Guided Imagery and Music (GIM) interventions reduced the anxiety in many clinical settings. Traditional music pictures the emotion of specific culture. No interventional study was found in reducing anxiety among ischemic stroke patients…

View details →DOI: 10.4103/ijnmr.ijnmr_23_23
Negative / Null Result ReportMedicine

Multiple Genetic Origins of Non-Native, Self-Sustaining Rainbow Trout Oncorhynchus mykiss in Streams in Baden-Württemberg, Germany.

Koene, Jacobs, Bartolin et al. · 2026 · Evolutionary applications

Introduced in the late 19th Century, Oncorhynchus mykiss (rainbow trout) has been stocked historically in streams throughout Baden-Württemberg, Germany, and some populations have become self-sustaining with unclear impact on native…

View details →DOI: 10.1111/eva.70271
Negative / Null Result ReportMedicine

Extracellular vesicle microRNA signature as a highly accurate diagnostic biomarker for human brucellosis.

Wu, Zhang, He et al. · 2026 · Frontiers in cellular and infection microbiology

Brucellosis remains an important public health problem globally. Rapid and accurate diagnosis is crucial for the treatment of brucellosis. However, current diagnostic methods for brucellosis are limited, posing significant clinical…

View details →DOI: 10.3389/fcimb.2026.1806232
Negative / Null Result ReportMedicine

Similar secondary patellar resurfacing but higher tibial revision risk with posterior stabilized versus medial pivot total knee arthroplasty: A registry analysis.

Pflüger, Pedrazzini, Jud et al. · 2026 · Journal of experimental orthopaedics

Patellar complications are among the most frequent causes of revision after primary total knee arthroplasty (TKA). The primary study objective is to compare the rate of secondary patellar resurfacing between medial pivot (MP) and posterior…

View details →DOI: 10.1002/jeo2.70751
Negative / Null Result ReportMedicine

Long-Term Outcomes After Catheter-Directed Thrombolysis or Mechanical Thrombectomy in Intermediate-High-Risk Pulmonary Embolism: A Propensity-Matched Analysis From a TriNetX Database.

Giorgi, Bertoletti, Luis et al. · 2026 · Pulmonary circulation

Catheter-directed thrombolysis (CDL) and mechanical thrombectomy (MT) are increasingly used for intermediate-high-risk pulmonary embolism (PE), yet comparative long-term outcomes remain uncertain. We aimed to compare the effectiveness and…

View details →DOI: 10.1002/pul2.70329
Negative / Null Result ReportMedicine

Endoscopic Versus Open Carpal Tunnel Release in Obese and Nonobese Patients.

Salib, Sanchez, Diatta et al. · 2026 · Journal of hand surgery global online

This study compared postoperative complications and revision rates following endoscopic versus open carpal tunnel release (CTR) in obese and nonobese patients. A 2010-2022 national administrative database was queried to identify adults…

View details →DOI: 10.1016/j.jhsg.2026.101053
Negative / Null Result ReportMedicine

Glucose Metrics During School Hours in Primary School-Aged Children With Type 1 Diabetes: A Population-Based Cohort Study.

Paull, Connor, Smith et al. · 2026 · Journal of paediatrics and child health

School time represents a significant component of overall glycaemia for children with type 1 diabetes (T1D), and glucose levels during instructional time may be important for optimising academic progress. There is, however, limited…

View details →DOI: 10.1111/jpc.70463
Negative / Null Result ReportMedicine

The financial burden resulting from complementary and alternative medicine in oncology care.

Bagdonas, Schäfer, Wolf et al. · 2026 · BMC complementary medicine and therapies

Complementary and alternative medicine (CAM) is widely used by oncology patients to manage symptoms, reduce stress, and improve quality of life. Unlike conventional treatments, CAM is rarely reimbursed in Germany, resulting in significant…

View details →DOI: 10.1186/s12906-026-05417-z
Negative / Null Result ReportMedicine

Efficacy of a digitally designed anatomical repositioning splint for adolescent temporomandibular joint anterior disc displacement with reduction: a randomized controlled trial.

Wang, Wang, Wu et al. · 2026 · BMC oral health

Anterior disc displacement with reduction (ADDwR) is a common temporomandibular joint disorder in adolescents. Conventional anterior repositioning splints (ARS) often lack anatomical adaptation, which may limit their therapeutic precision…

View details →DOI: 10.1186/s12903-026-08753-1
Negative / Null Result ReportMedicine

Urologic outcomes in children with closed spinal dysraphism with and without untethering of the spinal cord.

Avellan, Pakkasjärvi, Palomäki et al. · 2026 · Journal of pediatric surgery

Closed spinal dysraphism (CSD) comprises a heterogeneous group of congenital anomalies that may remain asymptomatic or present with neurological and urological dysfunction. This study aimed to evaluate long-term urological outcomes in…

View details →DOI: 10.1016/j.jpedsurg.2026.163235
Negative / Null Result ReportMedicine

Clinical characteristics and outcomes of tandem lesions involving internal carotid artery occlusion and distal middle cerebral artery occlusion.

Tomari, Lillicrap, Garcia-Esperon et al. · 2026 · Clinical neurology and neurosurgery

Tandem lesions involving internal carotid artery occlusion (ICAO) and distal middle cerebral artery occlusion (MCAO) are rare, and evidence regarding their clinical characteristics, management strategies, and outcomes remains limited. We…

View details →DOI: 10.1016/j.clineuro.2026.109515
Negative / Null Result ReportMedicine

Laboratory evaluation of mixed-species biofilm formation by Streptococcus mutans and Lactobacillus casei on three dental resin-based restorative materials.

Conner, AbdulAzees, Chen et al. · 2026 · American journal of dentistry

To evaluate the biofilm-forming potential of mixed-species bacteria on three commercially available dental restorative composites and compare their resistance to biofilm accumulation. Given the increasing emphasis on bioactive and…

View details →
Negative / Null Result ReportMedicine

Management of Rope Friction Injuries of the Hand.

Evin, Parlak, Okan et al. · 2026 · Annals of plastic surgery

Rope friction injuries result from rapid, repetitive contact with coarse ropes or chains, causing combined mechanical and thermal damage. These injuries commonly affect young individuals during activities such as tug-of-war, climbing, air…

View details →DOI: 10.1097/sap.0000000000004795
Negative / Null Result ReportMedicine

Profile of deliberate self-poisoning admissions in KwaZulu-Natal Province, South Africa (2018 - 2023) and the impact of COVID-19.

Pillay · 2026 · South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

Deliberate self-poisoning (DSP) is a common method of attempted suicide globally, particularly among young adults and women. In South Africa (SA), DSP is the second most frequent method of attempted suicide, after hanging. The COVID-19…

View details →DOI: 10.7196/samj.2026.v116i1.3710
Negative / Null Result ReportMedicine

Sensory Organization and Postural Control Strategies During Quiet Standing in People with Acute Low Back Pain: A Case-Control Study.

Fatehi Peykani, Saadat, Monjezi et al. · 2026 · The archives of bone and joint surgery

This study aimed to compare posturographic measures between acute low back pain patients (LBP) and healthy controls. A total of 20 participants with acute LBP were compared with a group of matched, healthy participants. Sensory…

View details →DOI: 10.22038/abjs.2025.85252.3885
Negative / Null Result ReportMedicine

First Covid-19 Vaccination Rates Among Pregnant Tennessee Women by Month of Conception and Urbanization Level: March 2021 - November 2021.

Valenzuela, Driscoll, Harvey et al. · 2026 · Journal of Appalachian health

Throughout the pandemic, COVID-19 vaccination coverage was lower for the general population living in rural counties than in urban counties. In Tennessee (TN), COVID-19 vaccinations became available to pregnant women in March 2021. Little…

View details →DOI: 10.13023/jah.0801.07
Negative / Null Result ReportMedicine

MRI Evaluation of Graft Remodeling After Transphyseal Anterior Cruciate Ligament Reconstruction in Pediatric Patients: A 5-Year Follow-up.

de Pesters, Staali, Laval et al. · 2026 · Orthopaedic journal of sports medicine

Anterior cruciate ligament (ACL) reconstruction (ACLR) is increasingly performed in children and adolescents, yet mid- to long-term graft ligamentization remains poorly understood. To characterize the magnetic resonance imaging (MRI)…

View details →DOI: 10.1177/23259671261447204
Negative / Null Result ReportMedicine

VR preoperative education with sensory information alleviates perioperative anxiety and enhances delivery experience in primiparas undergoing cesarean section: a randomized controlled trial.

Ran, Wei, Huang et al. · 2025 · Frontiers in psychology

To investigate the effectiveness of a VR preoperative education program with sensory information support in reducing perioperative anxiety and improving the delivery experience among primiparas undergoing cesarean section (CS). A total of…

View details →DOI: 10.3389/fpsyg.2025.1648706
Negative / Null Result ReportMedicine

Thoracic Duct Branch Identification Is Comparable Between T2-W 3D Fat-Suppressed Magnetic Resonance Imaging and Computed Tomography Lymphangiography in Normal Dogs.

Griffith, Hecht, Lux et al. · 2026 · Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association

In dogs with chylothorax that are refractory to medical management, surgical intervention is often recommended. Computed tomographic lymphangiography (CTL) is the most commonly used preoperative imaging study, but it has the disadvantages…

View details →DOI: 10.1111/vru.70198