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Browse the failure-mode index

21,691 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.

Failed Experiment ReportOpen accessMedicine

Clearance of HBeAg and HBsAg of HBV in mice model by a recombinant HBV vaccine combined with GM-CSF and IFN-α as an effective therapeutic vaccine adjuvant

Weidong Zhao, Gan Zhao, Shuren Zhang et al. · 2018 · Oncotarget

// Weidong Zhao 1 , Gan Zhao 1 , Shuren Zhang 1 , Xianzheng Wang 1 , Xueping Yu 2 and Bin Wang 1 1 Key Laboratory of Medical Molecular Virology of The Ministry of Health and Ministry of Education, School of Basic Medical Sciences, Fudan University, Shanghai, China 2 Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China Correspondence to: Bin Wang, email: bwang3@fudan.edu.cn Keywords: GM-CSF; IFN-α; therapeutic vaccine; HBV; Ly6C hi monocyte Received: April 14, 2017      Accepted: October 30, 2017      Epub

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Negative / Null Result ReportOpen accessMedicine

Deep brain stimulation for psychiatric disorders: role of imaging in identifying/confirming DBS targets, predicting, and optimizing outcome and unravelling mechanisms of action

Dejan Georgiev, Harith Akram, Marjan Jahanshahi · 2021 · Psychoradiology

Following the established application of deep brain stimulation (DBS) in the treatment of movement disorders, new non-neurological indications have emerged, such as for obsessive-compulsive disorders, major depressive disorder, dementia, Gilles de la Tourette Syndrome, anorexia nervosa, and addictions. As DBS is a network modulation surgical treatment, the development of DBS for both neurological and psychiatric disorders has been partly driven by advances in neuroimaging, which has helped explain the brain networks implicated. Advances in magnetic resonance imaging connectivity and electrophy

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Negative / Null Result ReportOpen accessMedicine

Opportunistic pathology-based screening for diabetes

Aaron Simpson, Renata Krowka, Jennifer Kerrigan et al. · 2013 · BMJ Open

OBJECTIVE: To determine the potential of opportunistic glycated haemoglobin (HbA1c) testing of pathology samples to detect previously unknown diabetes. DESIGN: Pathology samples from participants collected for other reasons and suitable…

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Negative / Null Result ReportOpen accessMedicine

Emerging biologic frontiers for Sjogren’s syndrome: Unveiling novel approaches with emphasis on extra glandular pathology

Xiao Li, Maierhaba Maitiyaer, Qing Tan et al. · 2024 · Frontiers in Pharmacology

Primary Sjögren's Syndrome (pSS) is a complex autoimmune disorder characterized by exocrine gland dysfunction, leading to dry eyes and mouth. Despite growing interest in biologic therapies for pSS, FDA approval has proven challenging due to trial complications. This review addresses the absence of a molecular-target-based approach to biologic therapy development and highlights novel research on drug targets and clinical trials. A literature search identified potential pSS treatment targets and recent advances in molecular understanding. Overlooking extraglandular symptoms like fatigue and depr

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Negative / Null Result ReportOpen accessMedicine

Practice of oxygen use in anesthesiology – a survey of the European Society of Anaesthesiology and Intensive Care

Martin Scharffenberg, Thomas G. Weiss, Jakob Wittenstein et al. · 2022 · BMC Anesthesiology

Abstract Background Oxygen is one of the most commonly used drugs by anesthesiologists. The World Health Organization (WHO) gave recommendations regarding perioperative oxygen administration, but the practice of oxygen use in anesthesia, critical emergency, and intensive care medicine remains unclear. Methods We conducted an online survey among members of the European Society of Anaesthesiology and Intensive Care (ESAIC). The questionnaire consisted of 46 queries appraising the perioperative period, emergency medicine and in the intensive care, knowledge about current recommendations by the WH

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Negative / Null Result ReportOpen accessEngineering

Imaged-guided focused ultrasound in combination with various formulations of doxorubicin for the treatment of diffuse intrinsic pontine glioma

Rianne Haumann, John Bianco, Piotr Waranecki et al. · 2022 · Translational Medicine Communications

Abstract Background Diffuse intrinsic pontine glioma (DIPG) is a notoriously difficult tumor to treat, with an overall survival of DIPG patients being only 11 months. One of the major obstacles for the effective treatment of DIPG is the blood–brain barrier (BBB). In order to circumvent the BBB, drug delivery methods are needed that target the pontine area. One such approach is microbubble-mediated focused ultrasound (FUS)—a non-invasive method that can temporarily and locally open the BBB. Previously, it was shown that FUS is safe with minimal side effects and rapid recovery times in preclinic

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Negative / Null Result ReportOpen accessEconomics, Econometrics and Finance

Communication of anticancer drug benefits and related uncertainties to patients and clinicians: document analysis of regulated information on prescription drugs in Europe

Courtney Davis, Anita K. Wagner, Maximilian Salcher‐Konrad et al. · 2023 · BMJ

OBJECTIVE: To evaluate the frequency with which relevant and accurate information about the benefits and related uncertainties of anticancer drugs are communicated to patients and clinicians in regulated information sources in Europe. DESIGN: Document content analysis. SETTING: European Medicines Agency. PARTICIPANTS: Anticancer drugs granted a first marketing authorisation by the European Medicines Agency, 2017-19. MAIN OUTCOME MEASURES: Whether written information on a product addressed patients' commonly asked questions about: who and what the drug is used for; how the drug was studied; typ

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Negative / Null Result ReportOpen accessMedicine

Aβ plaques do not protect against HSV‐1 infection in a mouse model of familial Alzheimer's disease, and HSV‐1 does not induce Aβ pathology in a model of late onset Alzheimer's disease

Olga V. Bocharova, Aidan Fisher, Narayan Pandit et al. · 2022 · Brain Pathology

The possibility that the etiology of late onset Alzheimer's disease is linked to viral infections of the CNS has been actively debated in recent years. According to the antiviral protection hypothesis, viral pathogens trigger aggregation…

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Negative / Null Result ReportOpen accessEngineering

Predictors of Hospital Mortality in Patients with Acute Coronary Syndrome Complicated by Cardiogenic Shock

Gábor Szabó, András Ágoston, Gábor Csató et al. · 2021 · Sensors

As demonstrated by earlier studies, pre-hospital triage with trans-telephonic electrocardiogram (TTECG) and direct referral for catheter therapy shows great value in the management of out-of-hospital chest pain emergencies. It does not only improve in-hospital mortality in ST-segment elevation myocardial infarction, but it has also been identified as an independent predictor of higher in-hospital survival rate. Since TTECG-facilitated triage shortens both transport time and percutaneous coronary intervention (PCI)-related procedural time intervals, it was hypothesized that even high-risk patie

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Failed Experiment ReportOpen accessBiochemistry, Genetics and Molecular Biology

A Francisella tularensis Live Vaccine Strain That Improves Stimulation of Antigen-Presenting Cells Does Not Enhance Vaccine Efficacy

Deanna Schmitt, Dawn M. O’Dee, Joseph Horzempa et al. · 2012 · PLoS ONE

Vaccination is a proven strategy to mitigate morbidity and mortality of infectious diseases. The methodology of identifying and testing new vaccine candidates could be improved with rational design and in vitro testing prior to animal experimentation. The tularemia vaccine, Francisella tularensis live vaccine strain (LVS), does not elicit complete protection against lethal challenge with a virulent type A Francisella strain. One factor that may contribute to this poor performance is limited stimulation of antigen-presenting cells. In this study, we examined whether the interaction of genetical

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Negative / Null Result ReportOpen accessMedicine

Excision margins and sentinel lymph node status as prognostic factors in thick melanoma of the head and neck: A retrospective analysis

Olivia Ruskin, Alexandra Sanelli, Alan Herschtal et al. · 2016 · Head & Neck

BACKGROUND: Recommended margins for thick cutaneous melanoma (Breslow thickness >4 mm; T4) have decreased over recent decades. Optimal margins and the role of sentinel node biopsy (SNB) in thick head and neck melanoma remain controversial.…

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Negative / Null Result ReportOpen accessMedicine

Antiviral activity of Chongkukjang extracts against influenza A virus in vitro and in vivo

Bai Wei, Se-Yeoun Cha, Min Kang et al. · 2015 · Journal of Ethnic Foods

Chongkukjang is a traditional Korean fermented product prepared from soybeans and reported to have multiple biological functions, including antidiabetic, antiinflammatory, and neuroprotective effects. Influenza is a respiratory disease caused by influenza viruses and continues to be a worldwide threat with a high potential to cause pandemics. Besides vaccination, only two classes of drugs are available for antiviral treatment against these pathogens. We tested the inhibitory activity of an ethyl acetate extract from Chongkukjang toward influenza A virus neuraminidase. All 10 compounds extracte

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Negative / Null Result ReportOpen accessMedicine

Combination of Hydrogen Inhalation and Hypothermic Temperature Control After Out-of-Hospital Cardiac Arrest: A Post hoc Analysis of the Efficacy of Inhaled Hydrogen on Neurologic Outcome Following Brain Ischemia During PostCardiac Arrest Care II Trial

Tomoyoshi Tamura, Hiromichi Narumiya, Koichiro Homma et al. · 2024 · Critical Care Medicine

OBJECTIVE: The Efficacy of Inhaled Hydrogen on Neurologic Outcome Following Brain Ischemia During Post-Cardiac Arrest Care (HYBRID) II trial (jRCTs031180352) suggested that hydrogen inhalation may reduce post-cardiac arrest brain injury…

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Negative / Null Result ReportOpen accessBusiness, Management and Accounting

Entrepreneurial Skills, Significant Differences between Serbian and German Entrepreneurs

Carlos Morales, Percy Marquina Feldman · 2013 · Journal of CENTRUM Cathedra (JCC) The Business and Economics Research Journal

An extensive literature review reveals various authors acknowledge skills have an impact on entrepreneurial success. However, a lack of consensus regarding the main skills an entrepreneur needs is apparent. In this study, a contribution is made to the debate with empirical data and analysis, in two steps: by testing mean differences and reducing data with a principal components analysis. A sample of 394 potential entrepreneurs was administered the SAT-ECENT questionnaire, testing four skills: readiness to change, learning capacity, impact on people, and stress tolerance. The questionnaires wer

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Negative / Null Result ReportAgricultural and Biological Sciences

Benefits of larval group feeding by Chrysolina aurichalcea asclepiadis on Vincetoxicum: improved host location or feeding facilitation?

Aaron S. Weed · 2010 · Entomologia Experimentalis et Applicata

Abstract Several studies have shown that group feeding by immature insects enhances larval performance through feeding facilitation. However, the benefits of this behavior have not been studied for species that hatch off from their host…

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Negative / Null Result ReportMedicine

Factors and consequences of hypertension

Alberto Zanchetti · 2016 · Journal of Hypertension

The articles published in the current issue of the Journal of Hypertension focus on risk factors for the development of hypertension and on the relationship of hypertension with cardiovascular disease. Two articles illustrate the role of…

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Negative / Null Result ReportOpen accessImmunology and Microbiology

Detection and characterization of diverse coccidian protozoa shed by California sea lions

Yvette A. Girard, Christine K. Johnson, Heather Fritz et al. · 2015 · International Journal for Parasitology Parasites and Wildlife

Tissue-cyst forming coccidia in the family Sarcocystidae are etiologic agents of protozoal encephalitis in marine mammals including the federally listed Southern sea otter (Enhydra lutris). California sea lions (Zalophus californianus),…

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Negative / Null Result ReportOpen accessMedicine

Rescue of Infectious Rotavirus Reassortants by a Reverse Genetics System Is Restricted by the Receptor-Binding Region of VP4

Alexander Falkenhagen, Marno Huyzers, Alberdina A. van Dijk et al. · 2021 · Viruses

The rotavirus species A (RVA) capsid contains the spike protein VP4, which interacts with VP6 and VP7 and is involved in cellular receptor binding. The capsid encloses the genome consisting of eleven dsRNA segments. Reassortment events can result in novel strains with changed properties. Using a plasmid-based reverse genetics system based on simian RVA strain SA11, we previously showed that the rescue of viable reassortants containing a heterologous VP4-encoding genome segment was strain-dependent. In order to unravel the reasons for the reassortment restrictions, we designed here a series of

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Negative / Null Result ReportOpen accessEnvironmental Science

Sub-lethal effects of energy development on a migratory mammal—The enigma of North American pronghorn

Jon P. Beckmann, Sarah H. Olson, Renee G. Seidler et al. · 2016 · Global Ecology and Conservation

To meet societal demands for energy, ∼50,000 gas sites are developed annually in North America, among which many are in western less-developed and wildlife rich areas. To evaluate effects of increasing energy infrastructure requires…

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Abandoned Hypothesis

Statistically responsible artificial intelligences

Nicholas Smith, Darby Vickers · 2021 · Ethics and Information Technology

Abstract As artificial intelligence (AI) becomes ubiquitous, it will be increasingly involved in novel, morally significant situations. Thus, understanding what it means for a machine to be morally responsible is important for machine…

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