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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.

20211 results in Negative / Null Result Report · page 110 of 674

Negative / Null Result Report

The Continuous Fragility Index of Statistically Significant Findings in Randomized Controlled Trials That Compare Interventions for Anterior Shoulder Instability

Mohammed Al-Asadi, Michelle Sherren, Hassaan Abdel Khalik et al. · 2024 · The American Journal of Sports Medicine

Background: Evidence-based care relies on robust research. The fragility index (FI) is used to assess the robustness of statistically significant findings in randomized controlled trials (RCTs). While the traditional FI is limited to…

View details →DOI: 10.1177/03635465231202522Cited by 19
Negative / Null Result ReportOpen accessMedicine

Human metapneumovirus infection of organoid-derived human bronchial epithelium represents cell tropism and cytopathology as observed in in vivo models

Pau Ribó-Molina, Stefan van Nieuwkoop, Anna Z. Mykytyn et al. · 2024 · mSphere

ABSTRACT Human metapneumovirus (HMPV), a member of the Pneumoviridae family, causes upper and lower respiratory tract infections in humans. In vitro studies with HMPV have mostly been performed in monolayers of undifferentiated epithelial cells. In vivo studies in cynomolgus macaques and cotton rats have shown that ciliated epithelial cells are the main target of HMPV infection, but these observations cannot be studied in monolayer systems. Here, we established an organoid-derived bronchial culture model that allows physiologically relevant studies on HMPV. Inoculation with multiple prototype

View details →DOI: 10.1128/msphere.00743-23Cited by 19
Negative / Null Result ReportOpen accessMedicine

Mutations in the Neuraminidase-Like Protein of Bat Influenza H18N11 Virus Enhance Virus Replication in Mammalian Cells, Mice, and Ferrets

Gongxun Zhong, Shufang Fan, Masato Hatta et al. · 2019 · Journal of Virology

Bats are reservoirs for several severe zoonotic pathogens. The genomes of influenza A viruses of the H17N10 and H18N11 subtypes have been identified in bats, but no live virus has been isolated. The characterization of artificially…

View details →DOI: 10.1128/jvi.01416-19Cited by 19
Negative / Null Result ReportOpen accessSocial Sciences

Fighting the spread of COVID-19 misinformation in Kyrgyzstan, India, and the United States: How replicable are accuracy nudge interventions?

Lyndsay Gavin, Jenna McChesney, Anson Tong et al. · 2022 · Technology Mind and Behavior

The spread of misinformation has generated confusion and uncertainty about how to behave with respect to protective actions during the COVID-19 pandemic, such as social distancing and getting vaccinated. garnered significant press…

View details →DOI: 10.1037/tmb0000086Cited by 19
Negative / Null Result ReportOpen accessMedicine

Treatment of paediatric hyperthyroidism but not hypothyroidism has a significant effect on weight

Melissa K. Crocker, Paul B. Kaplowitz · 2010 · Clinical Endocrinology

OBJECTIVE: Thyroid hormones are involved in metabolic regulation, but the degree to which they affect body weight and body mass index (BMI) in children is unclear. We examined the effect of hypo- and hyperthyroidism on weight and BMI at…

View details →DOI: 10.1111/j.1365-2265.2010.03877.xCited by 19
Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Chronological age, biological age, and individual variation in the stress response in the European starling: a follow-up study

Annie Gott, Clare Andrews, María Larriva et al. · 2018 · PeerJ

) found that a marker of biological age predicted the strength of the stress response even in individuals of the same chronological age. Specifically, birds that had experienced greater developmental telomere attrition (DTA) showed a lower peak corticosterone (CORT) response to an acute stressor, and more rapid recovery of CORT levels towards baseline. Here, we performed a follow-up study using the same capture-handling-restraint stressor in a separate cohort of starlings that had been subjected to a developmental manipulation of food availability and begging effort. We measured the CORT respo

View details →DOI: 10.7717/peerj.5842Cited by 19
Negative / Null Result ReportOpen accessMedicine

Orally active prostacyclin analogue beraprost sodium in patients with chronic kidney disease: a randomized, double-blind, placebo-controlled, phase II dose finding trial

Akio Kôyama, Toshiro Fujita, Fumitake Gejyo et al. · 2015 · BMC Nephrology

BACKGROUND: Evidence increasingly points to the importance of chronic hypoxia in the tubulointerstitium as a final common pathway to end-stage renal disease (ESRD). Beraprost sodium (BPS) is an orally active prostacyclin (PGI2) analogue demonstrating prevention of the progression of chronic kidney disease (CKD) in various animal models by maintaining renal blood flow and attenuating renal ischemic condition. METHODS: This multicenter, randomized, double-blind, placebo-controlled, phase II trial was designed to determine the recommended dose of the sustained-release form of BPS (TRK-100STP 120

View details →DOI: 10.1186/s12882-015-0130-5Cited by 19
Negative / Null Result ReportBusiness, Management and Accounting

Multiple measures of US entrepreneurial activity and classical liberal institutions

Noel D. Campbell, David Mitchell, Tammy M. Rogers · 2013 · Journal of Entrepreneurship and Public Policy

Purpose The purpose of this paper is to provide a robustness check of the relationship between entrepreneurial activity and economic freedom. As a deliberate “robustness check,” the authors estimated various spatial measures of…

View details →DOI: 10.1108/20452101311318648Cited by 19
Negative / Null Result Report

The Fragility of Statistically Significant Findings in Pediatric Critical Care Randomized Controlled Trials*

Travis J. Matics, Nadia Khan, Priti Jani et al. · 2019 · Pediatric Critical Care Medicine

Objectives: The Fragility Index measures the number of events on which the statistical significance of a result depends and has been suggested as an adjunct statistical assessment for interpretation of trial results. This study aimed to…

View details →DOI: 10.1097/pcc.0000000000001922Cited by 19
Negative / Null Result ReportOpen accessEnvironmental Science

The dimensionality reductions of environmental variables have a significant effect on the performance of species distribution models

Haotian Zhang, Wen‐Yong Guo, Wenting Wang · 2023 · Ecology and Evolution

How to effectively obtain species-related low-dimensional data from massive environmental variables has become an urgent problem for species distribution models (SDMs). In this study, we will explore whether dimensionality reduction on environmental variables can improve the predictive performance of SDMs. We first used two linear (i.e., principal component analysis (PCA) and independent components analysis) and two nonlinear (i.e., kernel principal component analysis (KPCA) and uniform manifold approximation and projection) dimensionality reduction techniques (DRTs) to reduce the dimensionali

View details →DOI: 10.1002/ece3.10747Cited by 19
Negative / Null Result ReportOpen accessNeuroscience

Anodal transcranial direct current stimulation of the right anterior temporal lobe did not significantly affect verbal insight

Takatsugu Aihara, Takeshi OGAWA, Takeaki Shimokawa et al. · 2017 · PLoS ONE

Humans often utilize past experience to solve difficult problems. However, if past experience is insufficient to solve a problem, solvers may reach an impasse. Insight can be valuable for breaking an impasse, enabling the reinterpretation or re-representation of a problem. Previous studies using between-subjects designs have revealed a causal relationship between the anterior temporal lobes (ATLs) and non-verbal insight, by enhancing the right ATL while inhibiting the left ATL using transcranial direct current stimulation (tDCS). In addition, neuroimaging studies have reported a correlation be

View details →DOI: 10.1371/journal.pone.0184749Cited by 19
Negative / Null Result ReportOpen accessAgricultural and Biological Sciences

Intercropping changed the soil microbial community composition but no significant effect on alpha diversity

Jiaying Liu, Weixi Zhang, Chao Teng et al. · 2024 · Frontiers in Microbiology

Introduction: Enhancing the planning of the forest-agricultural composite model and increasing the efficiency with which forest land is utilized could benefit from a thorough understanding of the impacts of intercropping between forests and agriculture on soil physicochemical properties and microbial communities. Methods: intercrop soils, along with their corresponding monocrops, were used in this study's llumina high-throughput sequencing analysis to determine the composition and diversity of soil bacterial and fungal communities. Results: The findings indicated that intercropping considerabl

View details →DOI: 10.3389/fmicb.2024.1370996Cited by 19
Negative / Null Result ReportOpen accessMedicine

ACE inhibition and cardiometabolic risk factors, lung ACE2 and TMPRSS2 gene expression, and plasma ACE2 levels: a Mendelian randomization study

Dipender Gill, Marios Arvanitis, Paul Carter et al. · 2020 · Royal Society Open Science

Angiotensin-converting enzyme 2 (ACE2) and serine protease TMPRSS2 have been implicated in cell entry for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for coronavirus disease 2019 (COVID-19). The expression of ACE2 and TMPRSS2 in the lung epithelium might have implications for the risk of SARS-CoV-2 infection and severity of COVID-19. We use human genetic variants that proxy angiotensin-converting enzyme (ACE) inhibitor drug effects and cardiovascular risk factors to investigate whether these exposures affect lung ACE2 and TMPRSS2 gene expression and circ

View details →DOI: 10.1098/rsos.200958Cited by 19
Negative / Null Result ReportOpen accessMedicine

New genotypes of Liao ning virus (LNV) in Australia exhibit an insect-specific phenotype

Natalie A. Prow, Marcus G. Mah, Joshua M. Deerain et al. · 2018 · Journal of General Virology

Liao ning virus (LNV) was first isolated in 1996 from mosquitoes in China, and has been shown to replicate in selected mammalian cell lines and to cause lethal haemorrhagic disease in experimentally infected mice. The first detection of…

View details →DOI: 10.1099/jgv.0.001038Cited by 19
Negative / Null Result ReportOpen accessComputer Science

Native language identification: explorations and applications

Shervin Malmasi · 2016 · Figshare

The prediction of an author's native language using only their second language writing -- a task called Native Language Identification (NLI) -- is usually tackled using supervised classification. This is underpinned by the presupposition…

View details →DOI: 10.25949/19437986Cited by 19
Negative / Null Result ReportOpen accessNeuroscience

Improved Cochlear Implant Performance Estimation Using Tonotopic-Based Electrocochleography

Amit Walia, Matthew Shew, Jordan Varghese et al. · 2023 · JAMA Otolaryngology–Head & Neck Surgery

Importance: Cochlear implantation produces remarkable results in postlingual deafness, although auditory outcomes vary. Electrocochleography (ECochG) has emerged as a valuable tool for assessing the cochlear-neural substrate and evaluating…

View details →DOI: 10.1001/jamaoto.2023.2988Cited by 19
Negative / Null Result Report

Replicate or adapt? Franchising and organizational routines

Jamal T. Maalouf, James Combs, William E. Gillis et al. · 2020 · Journal of Knowledge Management

Purpose The purpose of this paper is to introduce strategy as a factor that explains when franchisors – through the franchisees they select – seek to replicate routines exactly versus allow local adaptation of routines.…

View details →DOI: 10.1108/jkm-09-2019-0493Cited by 19
Negative / Null Result ReportMedicine

Autoimmune pancreatitis and biliary intraepithelial neoplasia of the common bile duct: A case with diagnostically challenging but pathogenetically significant association

Haruo Ohtani, Hiroyasu Ishida, Yuka Ito et al. · 2011 · Pathology International

Autoimmune pancreatitis (AIP) (also called IgG4-related sclerosing pancreatitis (IgG4-SP)) and IgG4-related sclerosing cholangitis (IgG4-SC) are frequently associated with each other. It is generally believed that association of these…

View details →DOI: 10.1111/j.1440-1827.2011.02684.xCited by 19
Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Comparison of wild-type KT2440 and genome-reduced EM42 Pseudomonas putida strains for muconate production from aromatic compounds and glucose

Caroline R. Amendola, William T. Cordell, Colin M. Kneucker et al. · 2023 · Metabolic Engineering

Pseudomonas putida KT2440 is a robust, aromatic catabolic bacterium that has been widely engineered to convert bio-based and waste-based feedstocks to target products. Towards industrial domestication of P. putida KT2440, rational genome…

View details →DOI: 10.1016/j.ymben.2023.11.004Cited by 19
Negative / Null Result Report

SARS-CoV-2 does not replicate in embryonated hen’s eggs or in MDCK cell lines

Ian G Barr, Cleve Rynehart, Paul Whitney et al. · 2020 · Eurosurveillance

The advent of COVID-19, has posed a risk that human respiratory samples containing human influenza viruses may also contain SARS-CoV-2. This potential risk may lead to SARS-CoV-2 contaminating conventional influenza vaccine production…

View details →DOI: 10.2807/1560-7917.es.2020.25.25.2001122Cited by 19
Negative / Null Result Report

Did Wheat Breeding Simultaneously Improve Grain Yield and Quality of Wheat Cultivars Releasing over the Past 20 Years in China?

Naiyue Hu, Chenghang Du, Wanqing Zhang et al. · 2022 · Agronomy

Grain yield and quality of wheat are both important components for food security. Great effort has been made in the genetic improvement of wheat grain yield in China. However, wheat grain quality (i.e., protein concentration and protein…

View details →DOI: 10.3390/agronomy12092109Cited by 19
Negative / Null Result Report

tDCS over the inferior frontal gyri and visual cortices did not improve response inhibition

Christina Thunberg, Mari S. Messel, Liisa Raud et al. · 2020 · Scientific Reports

Abstract The ability to cancel an already initiated response is central to flexible behavior. While several different behavioral and neural markers have been suggested to quantify the latency of the stopping process, it remains unclear if…

View details →DOI: 10.1038/s41598-020-62921-zCited by 19
Negative / Null Result ReportOpen accessMedicine

Lack of significant association between serum inflammatory cytokine profiles and the presence of colorectal adenoma

Curtis J. Henry, Rebecca L. Sedjo, Andrii I. Rozhok et al. · 2015 · BMC Cancer

BACKGROUND: Inflammatory cytokines in the colonic microenvironment have been shown to increase with advance colorectal cancer disease state. However, the contribution of inflammatory cytokines to pre-malignant disease, such as the formation of adenomas, is unclear. METHODS: Using the Milliplex® MAP Human Cytokine/ Chemokine Magnetic Bead Panel Immunoassay, serum cytokine and chemokine profiles were assayed among participants without an adenoma (n = 97) and those with an adenoma (n = 97) enrolled in the NCI-funded Insulin Resistance Atherosclerosis Colon Study. The concentrations of interleukin

View details →DOI: 10.1186/s12885-015-1115-2Cited by 19
Negative / Null Result ReportOpen accessMedicine

Randomized, Double-Blind, Placebo-Controlled Phase III Study of Paclitaxel ± Napabucasin in Pretreated Advanced Gastric or Gastroesophageal Junction Adenocarcinoma

Manish A. Shah, Kohei Shitara, Florian Lordick et al. · 2022 · Clinical Cancer Research

PURPOSE: To compare napabucasin (generator of reactive oxygen species) plus paclitaxel with paclitaxel only in patients with second-line advanced gastric or gastroesophageal junction (GEJ) adenocarcinoma. EXPERIMENTAL DESIGN: In the…

View details →DOI: 10.1158/1078-0432.ccr-21-4021Cited by 19
Negative / Null Result ReportOpen accessAgricultural and Biological Sciences

Technological characterization and survival of the exopolysaccharide-producing strain Lactobacillus delbrueckii subsp. lactis 193 and its bile-resistant derivative 193+ in simulated gastric and intestinal juices

Patricia Burns, Gabriel Vinderola, Jorge Reinheimer et al. · 2011 · Journal of Dairy Research

The capacity of lactic acid bacteria to produce exopolysaccharides (EPS) conferring microorganisms a ropy phenotype could be an interesting feature from a technological point of view. Progressive adaptation to bile salts might render some…

View details →DOI: 10.1017/s0022029911000355Cited by 19
Negative / Null Result ReportOpen accessMedicine

Forced expression of miR-143 and -145 in cardiomyocytes induces cardiomyopathy with a reductive redox shift

Kota Ogawa, Akiko Noda, Jun Ueda et al. · 2020 · Cellular & Molecular Biology Letters

BACKGROUND: Animal model studies show that reductive stress is involved in cardiomyopathy and myopathy, but the exact physiological relevance remains unknown. In addition, the microRNAs miR-143 and miR-145 have been shown to be upregulated in cardiac diseases, but the underlying mechanisms associated with these regulators have yet to be explored. METHODS: We developed transgenic mouse lines expressing exogenous miR-143 and miR-145 under the control of the alpha-myosin heavy chain (αMHC) promoter/enhancer. RESULTS: The two transgenic lines showed dilated cardiomyopathy-like characteristics and

View details →DOI: 10.1186/s11658-020-00232-xCited by 19
Negative / Null Result ReportAgricultural and Biological Sciences

Forest reclamation of fly ash deposit: a field study on appraisal of mycorrhizal inoculation

Zuzana Sýkorová, Jana Rydlová, Renata Slavíková et al. · 2015 · Restoration Ecology

An extensive field trial was established on a fly ash deposit (1) to evaluate whether the inoculation with arbuscular mycorrhizal fungi ( AMF ) and/or ectomycorrhizal fungi ( EcMF ) improves growth and survival of 13 planted tree species…

View details →DOI: 10.1111/rec.12301Cited by 19
Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

MicroRNA expression profiling predicts clinical outcome of carboplatin/paclitaxel-based therapy in metastatic melanoma treated on the ECOG-ACRIN trial E2603

Liza C. Villaruz, Grace Huang, Marjorie Romkes et al. · 2015 · Clinical Epigenetics

BACKGROUND: Carboplatin/paclitaxel (CP), with or without sorafenib, result in objective response rates of 18-20 % in unselected chemotherapy-naïve patients. Molecular predictors of survival and response to CP-based chemotherapy in metastatic melanoma (MM) are critical to improving the therapeutic index. Intergroup trial E2603 randomized MM patients to CP with or without sorafenib. Expression data were collected from pre-treatment formalin-fixed paraffin-embedded (FFPE) tumor tissues from 115 of 823 patients enrolled on E2603. The selected patients were balanced across treatment arms, BRAF stat

View details →DOI: 10.1186/s13148-015-0092-2Cited by 19