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Browse the failure-mode index

21,216 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.

Replication FailureOpen accessMedicine

Use of Decongestants During Pregnancy and the Risk of Birth Defects

Wai‐Ping Yau, Allen A. Mitchell, Kueiyu Joshua Lin et al. · 2013 · American Journal of Epidemiology

Previous studies suggested that early pregnancy exposure to specific oral decongestants increases the risks of several birth defects. Using January 1993-January 2010 data from the Slone Epidemiology Center Birth Defects Study, we tested…

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Negative / Null Result ReportOpen accessImmunology and Microbiology

Neoantigen DNA vaccines are safe, feasible, and induce neoantigen-specific immune responses in triple-negative breast cancer patients

Xiuli Zhang, S. Peter Goedegebuure, Michael Y. Chen et al. · 2024 · Genome Medicine

BACKGROUND: Neoantigen vaccines can induce or enhance highly specific antitumor immune responses with minimal risk of autoimmunity. We have developed a neoantigen DNA vaccine platform capable of efficiently presenting both HLA class I and II epitopes and performed a phase 1 clinical trial in triple-negative breast cancer patients with persistent disease on surgical pathology following neoadjuvant chemotherapy, a patient population at high risk of disease recurrence. METHODS: Expressed somatic mutations were identified by tumor/normal exome sequencing and tumor RNA sequencing. The pVACtools sof

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Negative / Null Result ReportOpen accessPsychology

A randomized controlled trial of a smartphone-based well-being training in public school system employees during the COVID-19 pandemic.

Matthew J. Hirshberg, Corrina Frye, Cortland J. Dahl et al. · 2022 · Journal of Educational Psychology

s<.031 corrected except mindful action at follow-up). We found no evidence for elevated adverse events and the HMP was equally effective among participants with elevated baseline anxiety and depressive symptoms. These data suggest that the…

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Negative / Null Result ReportPsychology

A test of Hofstede's model of culture following his own approach

Michael Minkov, Anneli Kaasa · 2020 · Cross Cultural & Strategic Management

Purpose Recent studies exposed serious issues with Hofstede's popular model of culture, especially his uncertainty avoidance (UA) and masculinity-femininity (MAS–FEM) dimensions. However those studies did not focus on work-related issues…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Comparison of joint versus purebred genomic evaluation in the French multi-breed dairy goat population

Céline Carillier, Hélène Larroque, Christèle Robert-Granié · 2014 · Genetics Selection Evolution

BACKGROUND: All progeny-tested bucks from the two main French dairy goat breeds (Alpine and Saanen) were genotyped with the Illumina goat SNP50 BeadChip. The reference population consisted of 677 bucks and 148 selection candidates. With the two-step approach based on genomic best linear unbiased prediction (GBLUP), prediction accuracy of candidates did not outperform that of the parental average. We investigated a GBLUP method based on a single-step approach, with or without blending of the two breeds in the reference population. METHODS: Three models were used: (1) a multi-breed model, in whi

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Negative / Null Result ReportOpen accessMedicine

Digital AVATAR therapy for distressing voices in psychosis: the phase 2/3 AVATAR2 trial

Philippa Garety, Clementine Edwards, Hassan Jafari et al. · 2024 · Nature Medicine

Distressing voices are a core symptom of psychosis, for which existing treatments are currently suboptimal; as such, new effective treatments for distressing voices are needed. AVATAR therapy involves voice-hearers engaging in a series of facilitated dialogues with a digital embodiment of the distressing voice. This randomized phase 2/3 trial assesses the efficacy of two forms of AVATAR therapy, AVATAR-Brief (AV-BRF) and AVATAR-Extended (AV-EXT), both combined with treatment as usual (TAU) compared to TAU alone, and conducted an intention-to-treat analysis. We recruited 345 participants with p

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Negative / Null Result ReportOpen accessMedicine

Multiple sclerosis: molecular pathogenesis and therapeutic intervention

Imane Boutitah-Benyaich, Herena Eixarch, Javier Villacieros‐Álvarez et al. · 2025 · Signal Transduction and Targeted Therapy

Multiple sclerosis is a chronic immune-mediated disorder of the central nervous system characterized by demyelination, axonal loss, and neuroinflammation, culminating in progressive neurological disability. Despite significant advances in understanding its immunopathogenesis, current immunotherapies remain limited in their ability to halt disease progression, making multiple sclerosis incurable and highlighting the critical need for novel therapeutic strategies. Antigen-specific immunotherapy represents a groundbreaking approach that aims to restore immune tolerance to myelin-derived antigens

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Replication FailureOpen accessPsychology

Budging beliefs, nudging behaviour

Oliver Hauser, Francesca Gino, Michael I. Norton · 2018 · Mind & Society

Nudges have become a popular tool for behaviour change; but, some interventions fail to replicate, even when the identical, previously successful intervention is used. One cause of this problem is that people default to using some of or all of the previously-successful existing nudges for any problem—the “kitchen sink” approach. We argue that the success of an intervention depends on understanding people’s current behaviour and beliefs to ensure that any nudge will actually “budge” them from their current beliefs. We introduce the Beliefs–Barriers–Context model, with three components: understa

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Negative / Null Result ReportOpen accessMedicine

Mesenchymal stem cells internalize Mycobacterium tuberculosis through scavenger receptors and restrict bacterial growth through autophagy

Arshad Khan, Lovepreet K. Mann, Ramesha Papanna et al. · 2017 · Scientific Reports

Human mesenchymal stem cells (MSCs) express scavenger receptors that internalize lipids, including oxidized low-density lipoprotein (oxLDL). We report that MSCs phagocytose Mycobacterium tuberculosis (Mtb) through two types of scavenger receptors (SRs; MARCO and SR-B1), as blockade of the receptors with antibodies or siRNA knockdown decreased the uptake of Mtb. MSCs also expressed mannose receptor (MR) that was found to endocytose rhodamine-labeled mannosylated BSA (rMBSA), though the receptor was not involved in the uptake of Mtb. Dil-oxLDL and rMBSA taken up into MSC endosomes colocalized wi

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Negative / Null Result ReportOpen accessMedicine

Prenatal maternal antidepressants, anxiety, and depression and offspring DNA methylation: epigenome-wide associations at birth and persistence into early childhood

Andrés Cárdenas, Sabrina Faleschini, Andrea P. Cortés Hidalgo et al. · 2019 · Clinical Epigenetics

BACKGROUND: Maternal mood disorders and their treatment during pregnancy may have effects on the offspring epigenome. We aim to evaluate associations of maternal prenatal antidepressant use, anxiety, and depression with cord blood DNA methylation across the genome at birth and test for persistence of associations in early and mid-childhood blood DNA. METHODS: A discovery phase was conducted in Project Viva, a prospective pre-birth cohort study with external replication in an independent cohort, the Generation R Study. In Project Viva, pregnant women were recruited between 1999 and 2002 in East

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Negative / Null Result ReportOpen accessAgricultural and Biological Sciences

Infection Dynamic of Symbiotic Bacteria in the Pea Aphid Acyrthosiphon pisum Gut and Host Immune Response at the Early Steps in the Infection Process

François Renoz, Christine Noël, Abdelmounaim Errachid et al. · 2015 · PLoS ONE

In addition to its obligatory symbiont Buchnera aphidicola, the pea aphid Acyrthosiphon pisum can harbor several facultative bacterial symbionts which can be mutualistic in the context of various ecological interactions. Belonging to a genus where many members have been described as pathogen in invertebrates, Serratia symbiotica is one of the most common facultative partners found in aphids. The recent discovery of strains able to grow outside their host allowed us to simulate environmental acquisition of symbiotic bacteria by aphids. Here, we performed an experiment to characterize the A. pis

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Negative / Null Result ReportOpen accessMedicine

Phylogeographic Pattern and Extensive Mitochondrial DNA Divergence Disclose a Species Complex within the Chagas Disease Vector Triatoma dimidiata

Fernando A. Monteiro, Т. Е. Перетолчина, Cristiano Lazoski et al. · 2013 · PLoS ONE

BACKGROUND: Triatoma dimidiata is among the main vectors of Chagas disease in Latin America. However, and despite important advances, there is no consensus about the taxonomic status of phenotypically divergent T. dimidiata populations, which in most recent papers are regarded as subspecies. METHODOLOGY AND FINDINGS: A total of 126 cyt b sequences (621 bp long) were produced for specimens from across the species range. Forty-seven selected specimens representing the main cyt b clades observed (after a preliminary phylogenetic analysis) were also sequenced for an ND4 fragment (554 bp long) and

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Negative / Null Result ReportOpen accessSocial Sciences

The role of e-marketing and e-CRM on e-loyalty of Indonesian companies during Covid pandemic and digital era

Haudi Haudi, Erna Retno Rahadjeng, Ruby Santamoko et al. · 2021 · Uncertain Supply Chain Management

The aim of this research is to analyze the effects of e-Marketing, e-CRM and e-Marketing on e-Loyalty and company performance. The study is quantitative with a questionnaire approach. Data processing tools use the SmartPLS 3.3.3 software.…

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Negative / Null Result ReportMedicine

Multifaceted innate immune responses engaged by astrocytes, microglia and resident dendritic cells against Chikungunya neuroinfection

Trina Das, Jean‐Jacques Hoarau, Marie Christine Jaffar Bandjee et al. · 2014 · Journal of General Virology

Chikungunya virus (CHIKV) has recently affected millions of people in the Indian Ocean, with rare cases of encephalopathy and encephalitis occurring in neonates. In the study described herein, the capacity of mouse brain cells to control…

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Negative / Null Result ReportImmunology and Microbiology

After TGN1412: Recent developments in cytokine release assays

Richard Stebbings, David Eastwood, Stephen Poole et al. · 2012 · Journal of Immunotoxicology

The failure of regulatory science to keep pace with and support the development of new biological medicines was very publically highlighted in March 2006 when the first-in-man Phase I clinical trial of the immunomodulatory CD28-specific…

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Negative / Null Result ReportOpen accessPsychology

Socioscientific Decision Making in the Science Classroom: The Effect of Embedded Metacognitive Instructions on Students' Learning Outcomes

Sabina Eggert, Frauke Ostermeyer, Marcus Hasselhorn et al. · 2013 · Education Research International

The purpose of the present study was to examine the effects of cooperative training strategies to enhance students' socioscientific decision making as well as their metacognitive skills in the science classroom. Socioscientific decision making refers to both “describing socioscientific issues” as well as “developing and evaluating solutions” to socioscientific issues. We investigated two cooperative training strategies which differed with respect to embedded metacognitive instructions that were developed on the basis of the IMPROVE method. Participants were 360 senior high school students who

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Negative / Null Result ReportHealth Professions

Food Insecurity and Chronic Diseases Among American Indians in Rural Oklahoma: The THRIVE Study

Valarie Blue Bird Jernigan, Marianna S. Wetherill, Jordan Hearod et al. · 2017 · American Journal of Public Health

OBJECTIVES: To examine food insecurity and cardiovascular disease-related health outcomes among American Indians (AIs) in rural Oklahoma. METHODS: We surveyed a cross-sectional sample of 513 AI adults to assess food insecurity domains…

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Negative / Null Result ReportOpen accessMedicine

Increased Coronary Artery Plaque Volume Among Male Marathon Runners.

Robert S. Schwartz, Stacia Merkel Kraus, Jonathan Schwartz et al. · 2014 · PubMed

BACKGROUND: Long-term marathon running improves many cardiovascular risk factors, and is presumed to protect against coronary artery plaque formation. This hypothesis, that long-term marathon running is protective against coronary…

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Negative / Null Result ReportOpen accessMedicine

Poorly Differentiated Colorectal Cancers

Haitao Xiao, Yong Sik Yoon, Seung‐Mo Hong et al. · 2013 · American Journal of Clinical Pathology

OBJECTIVES: To evaluate the association of microsatellite instability (MSI) with clinicopathologic features and oncologic outcomes in patients with poorly differentiated colorectal cancer (PD). METHODS: Study patients were divided into…

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Negative / Null Result ReportHealth Professions

Working memory and verbal fluency in simultaneous interpreters

Stavroula Stavrakaki, Kalliopi Megari, Mary H. Kosmidis et al. · 2012 · Journal of Clinical and Experimental Neuropsychology

We investigated working memory and verbal fluency in simultaneous interpreters, expecting to find enhanced working memory and semantic processing in interpreters relative to others fluent in a second language. The interpreters (n = 15)…

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Negative / Null Result ReportDentistry

Efficacy of autogenous tooth roots for lateral alveolar ridge augmentation and staged implant placement. A prospective controlled clinical study

Frank Schwarz, Didem Hazar, Kathrin Becker et al. · 2018 · Journal Of Clinical Periodontology

OBJECTIVES: To assess and compare the efficacy and safety of autogenous tooth roots (TR) and autogenous bone blocks (AB) for lateral alveolar ridge augmentation and two-stage implant placement. MATERIAL AND METHODS: A total of 30 patients…

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Negative / Null Result Report

When Do Two‐Stage Processes Outperform One‐Stage Processes?

Steffen Klamt, Radhakrishnan Mahadevan, Oliver Hädicke · 2017 · Biotechnology Journal

Apart from product yield and titer, volumetric productivity is a key performance indicator for many biotechnological processes. Due to the inherent trade‐off between the production of biomass as catalyst and of the actual target product,…

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Negative / Null Result Report

Association of Major Adverse Cardiac Events up to 5 Years in Patients With Chest Pain Without Significant Coronary Artery Disease in the Korean Population

Byoung Geol Choi, Seung‐Woon Rha, Seong Gyu Yoon et al. · 2019 · Journal of the American Heart Association

Background Significant coronary artery disease has a well‐known association with long‐term adverse cardiovascular events. In this study, we aimed to evaluate its association with long‐term major adverse clinical events ( MACE ) up to 5…

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Negative / Null Result ReportOpen accessAgricultural and Biological Sciences

Mix it and fix it: functions of composite olfactory signals in ring-tailed lemurs

Lydia K. Greene, Kathleen E. Grogan, Kendra Smyth et al. · 2016 · Royal Society Open Science

Animals communicating via scent often deposit composite signals that incorporate odorants from multiple sources; however, the function of mixing chemical signals remains understudied. We tested both a 'multiple-messages' and a 'fixative' hypothesis of composite olfactory signalling, which, respectively, posit that mixing scents functions to increase information content or prolong signal longevity. Our subjects-adult, male ring-tailed lemurs (Lemur catta)-have a complex scent-marking repertoire, involving volatile antebrachial (A) secretions, deposited pure or after being mixed with a squalene-

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Negative / Null Result ReportOpen accessComputer Science

Large pages may be harmful on NUMA systems

Fabien Gaud, Baptiste Lepers, Jérémie Decouchant et al. · 2014 · Open Repository and Bibliography (University of Luxembourg)

Application virtual address space is divided into pages, each requiring a virtual-to-physical translation in the page table and the TLB. Large working sets, common among modern applications, necessitate a lot of translations, which…

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Negative / Null Result ReportOpen accessMedicine

Genetic evidence that lower circulating FSH levels lengthen menstrual cycle, increase age at menopause and impact female reproductive health

Katherine S. Ruth, Robin N. Beaumont, Jessica Tyrrell et al. · 2016 · Human Reproduction

STUDY QUESTION: How does a genetic variant in the FSHB promoter, known to alter FSH levels, impact female reproductive health? SUMMARY ANSWER: The T allele of the FSHB promoter polymorphism (rs10835638; c.-211G>T) results in longer menstrual cycles and later menopause and, while having detrimental effects on fertility, is protective against endometriosis. WHAT IS KNOWN ALREADY: The FSHB promoter polymorphism (rs10835638; c.-211G>T) affects levels of FSHB transcription and, as a result, circulating levels of FSH. FSH is required for normal fertility and genetic variants at the FSHB locus are as

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Negative / Null Result ReportOpen accessMedicine

Micropapillary Bladder Cancer: Insights from the National Cancer Database

Wilson Sui, Justin T. Matulay, Maxwell B. James et al. · 2016 · Bladder Cancer

Introduction: Micropapillary bladder cancer (MPBC) is a variant histology of urothelial carcinoma (UC) that is associated with poor outcomes however given its rarity, little is known outside of institutional reports. We sought to use a…

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