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Browse the failure-mode index

21,770 real negative results, null findings, and replication failures. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportMedicine

A critical review of styrene and styrene-7,8-oxide genotoxicity literature: an update.

Pottenger LH, Banton M, Barranco WT et al. · 2026 · Journal of environmental science and health. Part C, Toxicology and carcinogenesis

Recent studies investigating mutagenic/cytogenetic effects of styrene and styrene-7,8-oxide (SO) were reviewed to update published critical evaluations of these data from 2019. Transcriptomics studies relevant to styrene/SO genotoxicity…

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Negative / Null Result ReportMedicine

Accuracy of Digital Radiography and Cone Beam Computed Tomography in Assessing Filling Material Extrusion Using Micro-Computed Tomography as Gold Standard: A Study in Human Cadavers.

Monteiro T, Romeiro K, Brisson-Suárez K et al. · 2026 · European endodontic journal

Objective This study compared the accuracy of digital periapical radiography (DPR) and cone beam computed tomography (CBCT) in detecting extruded filling material, using a human cadaver model. Micro-computed tomography (Micro-CT) served as…

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Null DatasetOpen accessMedicine

The unsung hero: <i>ntnh</i> gene as complementary botulism marker.

Valdezate S, Valiente M, Díaz-Ramón S et al. · 2026 · Frontiers in cellular and infection microbiology

Botulism is a rare but severe neurological disease caused by botulinum neurotoxins (BoNTs). Standard diagnostic methods including the mouse bioassay (SMB) and bont gene type-specific PCR, are often limited by the high genetic diversity…

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Null DatasetOpen accessMedicine

Diagnostic performance of the Sepsis qPCR MX-30<sup>®</sup> panel compared with conventional blood culture in pediatric febrile neutropenia: a single-center retrospective study.

Kurtipek FB, Yozgat AK, Gökçek E et al. · 2026 · BMC infectious diseases

Background Febrile neutropenia (FN) is a frequent and potentially life-threatening complication in patients with hematologic malignancies. Prompt and accurate identification of bloodstream pathogens is essential to optimize antimicrobial…

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Replication FailureMedicine

The Limited Utility of Synovial C-Reactive Protein in the Diagnosis of Knee and Hip Periprosthetic Joint Infection: Proposed New Diagnostic Cutoffs.

McCavitt DG, Culler MW, Palmer RC et al. · 2026 · The Journal of arthroplasty

Background The utility of synovial C-reactive protein (CRP) in diagnosing periprosthetic joint infection (PJI) remains controversial. This study examined the performance of synovial CRP for PJI diagnosis following total knee arthroplasty…

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Replication FailureMedicine

Case report: false-negative Xpert MRSA/SA BC result due to spa gene deletion in a patient with methicillin-resistant Staphylococcus aureus bacteremia.

Mura T, Aso M, Kawamura K et al. · 2025 · Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy

Rapid diagnostic tests like the Xpert MRSA/SA BC assay are valuable for the early detection of Staphylococcus aureus (SA) and methicillin-resistant S. aureus (MRSA) in positive blood cultures. However, genetic variations in target regions…

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Negative / Null Result ReportMedicine

Nosocomial tuberculosis exposure events in the era of nucleic acid amplification testing: A root cause analysis.

Yang YJ, Lee MR, Chung CL et al. · 2026 · International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Objectives Despite the availability of rapid tuberculosis (TB) nucleic acid amplification (NAA) testing, prevention of TB transmission within healthcare facilities remains a challenge due to ongoing difficulties in promptly isolating…

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Failed Experiment ReportMedicine

Melatonin as a Supportive Biomarker in Early-Onset Neonatal Sepsis: A Prospective Study.

Kaya B, Can E, Karakurt Y et al. · 2026 · Advances in neonatal care : official journal of the National Association of Neonatal Nurses

Background Early-onset neonatal sepsis (EOS) remains a diagnostic challenge because clinical signs are nonspecific and blood cultures, although the diagnostic gold standard may yield false-negative results due to low blood volumes or…

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Negative / Null Result ReportMedicine

Toxicological evaluation and risk assessment of Cyclo-di-Badge, a non-intentionally added substance (NIAS), found in epoxy based coatings of food cans.

Burleigh-Flayer H, Canatsey R, Jean PA et al. · 2026 · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

Cyclo-di-Badge (CdB) is a by-product of epoxy resin coatings applied to the inside of food cans. By-products are non-intentionally added substances (NIAS) with potential to migrate into food. Due to the lack of data on CdB, studies were…

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Negative / Null Result ReportOpen accessMedicine

Paucibacillary Pleural Tuberculosis Presenting as Subpleural Nodules: A Diagnostic Challenge With Negative PCR and Smear Tests.

Al Ayoubi O, Aldakak MA, Ibrahim B et al. · 2026 · Clinical case reports

Pleural tuberculosis is a common manifestation of extrapulmonary tuberculosis; however, its diagnosis remains challenging in paucibacillary disease, where clinical presentation may be atypical and microbiological tests frequently yield…

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Negative / Null Result ReportMedicine

Utilization of Cancer Screening, Prevention, and Treatment in Women With Variants of Uncertain Significance in Breast Cancer Susceptibility Genes.

Nielsen SM, Russell EM, Ellsworth RE et al. · 2025 · Journal of the National Comprehensive Cancer Network : JNCCN

Background The presence of variants of uncertain significance (VUS) should not influence clinical management; however, prior studies on breast cancer-related health care utilization in women with VUS versus negative germline genetic test…

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