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.

21309 results · page 377 of 711

Negative / Null Result ReportMedicine

County-Level Environmental Quality and Risk of Hypospadias in Arkansas.

Famuyide L, Patel J, Nembhard WN · 2026 · Birth defects research

Background Hypospadias is one of the most common genital defects in boys, affecting about 1 in 125 live-born boys. Several studies have examined the association between a single environmental exposure and risk of hypospadias, but few have…

View details →DOI: 10.1002/bdr2.70022
Negative / Null Result ReportMedicine

The relationship between serum neopterin levels and disease activity in patients with spondyloarthropathy.

Kılıç A, Koçak Ulucaköy R, Osmanov Z et al. · 2026 · Biomarkers in medicine

Objective Biomarkers that accurately reflect disease activity and inflammatory burden are needed, particularly in the early stages of spondyloarthropathy (SpA). This study aimed to evaluate the association between serum neopterin levels…

View details →DOI: 10.1080/17520363.2026.2686306
Negative / Null Result ReportMedicine

Prevalence and Clinical Relevance of Alström Syndrome Protein 1 Gene Variant and Feline Hypertrophic Cardiomyopathy in Sphynx Cats in Thailand.

Sussadee M, Jarudecha T, Muikaew R et al. · 2026 · Animals : an open access journal from MDPI

Feline hypertrophic cardiomyopathy (HCM) is the most common cardiac disease in cats, causing morbidity and mortality. Recently, a variant in the Alström syndrome protein 1 ( ALMS1 ) gene has been reported to be associated with HCM in…

View details →DOI: 10.3390/ani16121815
Negative / Null Result ReportMedicine

Modular guided tibial plateau-leveling osteotomy improves osteotomy centering accuracy compared to a freehand technique.

McCaw K, Fink B, Danis D et al. · 2026 · American journal of veterinary research

Objective To compare the accuracy of a tibial plateau-leveling osteotomy (TPLO) using a modular guide (OssAbility) compared to the traditional freehand method. We hypothesized that guide use would improve TPLO centering and accuracy in the…

View details →DOI: 10.2460/ajvr.26.03.0128
Negative / Null Result ReportOpen accessMedicine

Bacteriological Profiles of Post-mortem Blood Cultures and Their Relationship to the Cause of Death: A Study of 100 Autopsies.

Gaba K, Kumar K, Kaushik R et al. · 2026 · Cureus

Background The use of post-mortem blood culture as a diagnostic tool in medico-legal autopsies is limited. Differentiating true infection from contamination or post-mortem bacterial translocation remains a challenge. This study aimed to…

View details →DOI: 10.7759/cureus.104988
Negative / Null Result Report

The Mannheim Peritonitis Index: a prognostic scoring system for in-hospital mortality in peritonitis secondary to hollow viscus perforation

Zehra J, Kumari C, Bibi A et al. · 2026 · Preprint

Abstract Objective This study aimed to investigate in-hospital mortality rates among different Mannheim Peritonitis Index (MPI) score groups in patients who underwent emergency laparotomy due to hollow viscus perforation. Methods We…

View details →DOI: 10.21203/rs.3.rs-9066416/v1
Negative / Null Result ReportMedicine

Shape and size of foveal avascular zone in normal subjects using optical coherence tomography angiography (OCTA) : A retrospective analysis.

Chaudhry A, Moin M, Malik TG et al. · 2026 · JPMA. The Journal of the Pakistan Medical Association

To determine the shape and size of foveal avascular zone in terms of perimeter, circularity, roundness and axial ratio using optical coherence tomography angiography. The retrospective study was conducted at the Yaqeen Vison Clinic,…

View details →DOI: 10.47391/jpma.22735
Negative / Null Result ReportMedicine

Clinical Use of Inhibin B in Male Adolescent Childhood Cancer Survivors: Correlation With Cyclophosphamide Equivalent Dosing.

Wei W, Shaibi GQ, Temkit H et al. · 2026 · Journal of pediatric hematology/oncology

Introduction Alkylators are gonadotoxic in a cumulative manner, with overall exposure quantified as the cyclophosphamide equivalent dose (CED). Inhibin B is used as a surrogate marker of fertility in adult male childhood cancer survivors…

View details →DOI: 10.1097/mph.0000000000003226
Negative / Null Result ReportOpen accessMedicine

Medication reminder use and medication adherence among patients with chronic conditions in a Malaysian teaching hospital.

Md Kasim NA, Shirinal Izuan US, Karuppannan M · 2026 · BMC health services research

BACKGROUND: Healthcare providers commonly recommend medication reminders as a strategy to enhance adherence to prescribed medications. Patient demographic characteristics may influence medication adherence and incorporating patient-centred…

View details →DOI: 10.1186/s12913-026-14457-7
Negative / Null Result ReportOpen accessMedicine

Tracheotomy Before Total Laryngectomy as a Risk Factor for Stoma Recurrence.

Prates AJ, Curioni OA, Ramos DM et al. · 2026 · Diagnostics (Basel, Switzerland)

Background/Objectives: Laryngeal cancer has a high incidence and mortality rate, especially in advanced stages. Stoma recurrence after total laryngectomy is rare but lethal, and its risk factors remain controversial. We aimed to assess…

View details →DOI: 10.3390/diagnostics16101552
Negative / Null Result ReportMedicine

Periaortic inflammation after endoleak repair: a risk to watch.

Voigt MB, Böhner A, Bahaaeldin M et al. · 2026 · CVIR endovascular

To evaluate the occurrence of periaortic inflammation, including abscess formation, as a complication following endoleak repair after endovascular aortic repair. This retrospective single-center study analyzed 88 EVAR revisions for…

View details →DOI: 10.1186/s42155-026-00718-3
Negative / Null Result ReportOpen accessMedicine

Association between Serum Vitamin D Levels and <i>VDR</i> <i>BsmI</i> Polymorphism in Temporomandibular Joint Dysfunction Patients (in the Iranian Population).

Mostafavi M, Rezazadeh F, Fattahi MJ et al. · 2026 · Journal of dentistry (Shiraz, Iran)

Background Multiple studies have revealed an association between vitamin D levels, genetic polymorphisms of the VDR (vitamin D receptor) gene, and the underlying causes of various bone and cartilage disorders. Purpose This study aimed to…

View details →DOI: 10.30476/dentjods.2025.106238.2644
Negative / Null Result ReportMedicine

The risk of type 1 diabetes mellitus after COVID-19 and influenza infection: A nationwide cohort and self-controlled case series study.

Ozaki K, Nishioka Y, Kamitani F et al. · 2026 · Diabetes research and clinical practice

It has been controversial whether COVID-19 increases the risk of new-onset type 1 diabetes mellitus. Using large-scale claims data, we found no statistically significant association between COVID-19 and incident type 1 diabetes mellitus in…

View details →DOI: 10.1016/j.diabres.2026.113366
Negative / Null Result ReportOpen accessMedicine

The association of pathological findings in HPV-31 positive women with high-grade squamous intraepithelial lesions.

Buran A, Altaş H, Özkaya Uçar Y et al. · 2026 · Journal of the Turkish German Gynecological Association

Objective To evaluate pathological findings in patients positive for human papillomavirus (HPV)-31. Material and methods This retrospective study included patients evaluated in a tertiary colposcopy clinic. The 3,546 patients tested for…

View details →DOI: 10.4274/jtgga.galenos.2026.2025-12-2
Negative / Null Result ReportOpen accessMedicine

A high rate of falls and traumatic fractures occurs after extensor mechanism reconstruction: a cohort study including both allograft and synthetic mesh grafts.

Braun S, Selkridge I, Nocon A et al. · 2026 · Arthroplasty (London, England)

Background Extensor mechanism disruption following total knee arthroplasty (TKA) significantly impairs knee function and quality of life. Extensor mechanism reconstruction (EMR) is effective but carries risks, including post-operative…

View details →DOI: 10.1186/s42836-026-00393-8
Negative / Null Result ReportMedicine

rs6897932 (C>T) and rs987106 (A>T) variants in the <i>IL7RA</i> gene are correlated with the susceptibility and the clinical features of systemic lupus erythematosus.

Sarpeleh F, Ehtesham N, Mirjani R et al. · 2026 · Lupus

ObjectiveThe dysfunction of interleukin-7 receptor alpha (IL-7Rα), which is encoded by the IL7RA gene, has been implicated in the development of systemic lupus erythematosus (SLE). This study aimed to investigate the relationship between…

View details →DOI: 10.1177/09612033261429135
Negative / Null Result ReportOpen accessMedicine

Impact of weekend admission on in-hospital mortality in chronic kidney disease: a nationwide analysis of 184 299 hospitalisations in Poland (2017-2021).

Mazurek A, Jankowski M, Grudziąż-Sękowska J · 2026 · BMC nephrology

BACKGROUND: The weekend effect refers to the observation that patients admitted to the hospital on the weekend experience poorer clinical outcomes than patients admitted during the workweek. This effect has not been previously studied…

View details →DOI: 10.1186/s12882-026-04885-2
Negative / Null Result ReportOpen accessMedicine

Plantar Heel Pain Is Not Associated With Fatty Infiltration of the Abductor Digiti Minimi Muscle on Magnetic Resonance Imaging: A Cross-Sectional Observational Study.

Chen JSC, Osborne JWA, Menz HB et al. · 2026 · Journal of foot and ankle research

Background Fatty infiltration, or fatty atrophy, of the abductor digiti minimi (ADM) muscle of the foot is proposed to be associated with entrapment of the first branch of the lateral plantar nerve (i.e., Baxter's neuropathy) as part of…

View details →DOI: 10.1002/jfa2.70155
Negative / Null Result ReportMedicine

Institutional educational climate and MIR examination outcomes: a multicenter ecological study in Spanish medical schools.

Millán J, Gal B, Esquerda M et al. · 2026 · BMC medical education

Background In Spain, access to specialized medical training is determined through a highly competitive national examination (MIR). While the educational climate of medical schools has been associated with students' learning outcomes and…

View details →DOI: 10.1186/s12909-026-09516-w
Negative / Null Result Report

Fast Food Consumption Habits Knowledge Attitudes and Their Association with Body Mass Index Among Health Sciences Students in Oman

Mahaboob L, Chehade H, Gnanamuthu SS et al. · 2026 · Preprint

Abstract Background Fast-food consumption has become increasingly prevalent among university students, contributing to unhealthy dietary patterns and rising obesity rates. Understanding students' fast-food consumption habits, knowledge,…

View details →DOI: 10.21203/rs.3.rs-9610403/v1
Negative / Null Result ReportMedicine

Relationship between <i>APOE</i> Genotype Status and Imaging Features in Patients with Alzheimer Disease Being Considered for Antiamyloid β Therapy.

Vejdani-Jahromi M, Calle E, Ganem O et al. · 2026 · AJNR. American journal of neuroradiology

Background and purpose Alzheimer disease (AD) is a progressive neurodegenerative disorder that predominantly affects the aging population. Anti-amyloid β (anti-Aβ) therapies, such as lecanemab, have been developed to slow disease…

View details →DOI: 10.3174/ajnr.a9056
Negative / Null Result ReportOpen accessMedicine

Intubation exposure associated with first-pass success - understanding practitioner-related characteristics in South African EMS.

Brown J, Abdullah N, Sobuwa S · 2026 · International journal of emergency medicine

BACKGROUND: Endotracheal intubation is a critical life-saving intervention in prehospital emergency care, yet evidence supporting its safe implementation by prehospital practitioners in lower- to middle-income countries remains limited.…

View details →DOI: 10.1186/s12245-026-01183-4
Negative / Null Result ReportMedicine

Ultrasound Findings After Uterine Artery Embolisation: Pictorial Essay and Clinical Validation.

Lukies M, Darby O, Wani S et al. · 2026 · Journal of medical imaging and radiation oncology

Uterine artery embolisation (UAE) is an evidence-based treatment for symptomatic fibroids and adenomyosis. Ultrasound is commonly utilised for assessment post UAE given its wide availability and low cost; however, contemporary studies…

View details →DOI: 10.1111/1754-9485.70132
Negative / Null Result ReportOpen accessMedicine

Salivary decorin as a potential noninvasive biomarker in chronic kidney disease: a comparative study with serum levels.

Karatutlu AS, Karatutlu MA, Aydin S · 2026 · Renal failure

Chronic kidney disease (CKD) is characterized by progressive renal fibrosis and irreversible loss of kidney function. Decorin, an extracellular matrix proteoglycan with antifibrotic properties, may reflect underlying fibrotic activity and…

View details →DOI: 10.1080/0886022x.2026.2689757