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21,222 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 ReportOpen accessEconomics, Econometrics and Finance

Assessing the effects of trade openness on sustainable development: evidence from India

Mehraj Ahmad Sheikh, Mushtaq Ahmad Malik, Rana Zehra Masood · 2020 · Asian Journal of Sustainability and Social Responsibility

Abstract Over the years, world market is integrating at much faster pace through increasing trade openness. Not being an unmixed blessing, consistent efforts have been made to examine impact of trade openness on economic, environmental and social welfare. This study is an attempt to empirically examine the implications of trade openness on sustainable development in India since liberalization policy 1991. We used the Autoregressive Distributed Lag (ARDL) model to test the relationship between sustainable development and trade openness along with other control variables that are supposed to aff

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Failed Experiment ReportOpen accessBiochemistry, Genetics and Molecular Biology

Degradation of Rural and Urban Great Tit Song: Testing Transmission Efficiency

Emily J. Mockford, Rupert C. Marshall, Torben Dabelsteen · 2011 · PLoS ONE

Acoustic signals play a fundamental role in avian territory defence and mate attraction. Several studies have now shown that spectral properties of bird song differ between urban and rural environments. Previously this has been attributed to competition for acoustic space as a result of low-frequency noise present in cities. However, the physical structure of urban areas may have a contributory effect. Here we investigate the sound degradation properties of woodland and city environments using both urban and rural great tit song. We show that although urban surroundings caused significantly le

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Negative / Null Result ReportOpen accessMedicine

Effect on Virulence and Pathogenicity of H5N1 Influenza A Virus through Truncations of NS1 eIF4GI Binding Domain

Hongbo Zhou, Jiping Zhu, Jiagang Tu et al. · 2010 · The Journal of Infectious Diseases

To study the effect of NS1 eIF4GI binding domain on virulence and pathogenicity of H5N1 influenza A virus, 5 recombinant H5N1 viruses encoding eIF4GI binding domain-truncated NS1 proteins and parental NS1 (NS1‐wt) were generated by an…

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Negative / Null Result ReportOpen accessPsychology

Negative shocks predict change in cognitive function and preferences: assessing the negative affect and stress hypothesis

Francesco Bogliacino, Cristiano Codagnone, Felipe Montealegre et al. · 2021 · Scientific Reports

In the context of the current COVID-19 pandemic, households throughout the world have to cope with negative shocks. Previous research has shown that negative shocks impair cognitive function and change risk, time and social preferences. In this study, we analyze the results of a longitudinal multi-country survey conducted in Italy (N = 1652), Spain (N = 1660) and the United Kingdom (N = 1578). We measure cognitive function using the Cognitive Reflection Test and preferences traits (risk, time and social preferences) using an experimentally validated set of questions to assess the differences b

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Negative / Null Result ReportOpen accessNeuroscience

Gene–environment interaction in externalizing problems among adolescents: evidence from the Pelotas 1993 Birth Cohort Study

Christian Kieling, Mara Helena Hutz, Júlia Pasqualini Genro et al. · 2012 · Journal of Child Psychology and Psychiatry

BACKGROUND: The study of gene-environment interactions (G × E) is one of the most promising strategies to uncover the origins of mental disorders. Replication of initial findings, however, is essential because there is a strong possibility…

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Negative / Null Result ReportMedicine

Characterization of H5N2 influenza viruses isolated in South Korea and their influence on the emergence of a novel H9N2 influenza virus

Hye-Ryoung Kim, Choi-Ku Park, Jae‐Ku Oem et al. · 2010 · Journal of General Virology

We characterized low pathogenic avian influenza (LPAI) H5N2 and H9N2 viruses isolated in South Korea from 2008 to 2009. Genetic analysis of the H5N2 viruses isolated from wild birds and domestic ducks demonstrated that they were related to…

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Negative / Null Result ReportOpen accessMedicine

Raltegravir-intensified initial antiretroviral therapy in advanced HIV disease in Africa: A randomised controlled trial

Cissy Kityo, Alexander J. Szubert, Abraham Siika et al. · 2018 · PLoS Medicine

BACKGROUND: In sub-Saharan Africa, individuals infected with HIV who are severely immunocompromised have high mortality (about 10%) shortly after starting antiretroviral therapy (ART). This group also has the greatest risk of morbidity and mortality associated with immune reconstitution inflammatory syndrome (IRIS), a paradoxical response to successful ART. Integrase inhibitors lead to significantly more rapid declines in HIV viral load (VL) than all other ART classes. We hypothesised that intensifying standard triple-drug ART with the integrase inhibitor, raltegravir, would reduce HIV VL fast

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Negative / Null Result ReportOpen accessHealth Professions

Significant Differences in Nurses’ Knowledge of Basic Wound Management – Implications for Treatment

Kian Zarchi, S Latif, Vibeke B. Haugaard et al. · 2014 · Acta Dermato Venereologica

Wounds represent a growing healthcare problem due to an aging population. Nurses play a key role in wound management and their theoretical understanding of basic wound management may be expected to influence the quality of wound therapy…

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Negative / Null Result ReportOpen accessMedicine

Novel agents and strategies for overcoming EGFR TKIs resistance

Feiyu Niu, Yi‐Long Wu · 2014 · Experimental Hematology and Oncology

Since the recognition of epidermal growth factor receptor (EGFR) as a therapeutic target, EGFR tyrosine kinase inhibitors (TKIs) have been used in lung cancer patients with EGFR mutations, which has been a major breakthrough for lung cancer treatment.. The progression-free survival (PFS) of patients with EGFR mutations treated with EGFR TKIs is significantly prolonged compared with that of patients who underwent standard chemotherapy. However, all patients who initially respond to EGFR TKIs eventually develop acquired resistance (AR). Many small molecule agents and monoclonal antibodies (McAb)

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Negative / Null Result ReportOpen accessMedicine

Primary mucosal melanoma of the head and neck in Denmark, 1982–2012: Demographic and clinical aspects. A retrospective DAHANCA study

Mads Lawaetz, Fatima Birch‐Johansen, Søren Friis et al. · 2016 · Acta Oncologica

Background The study was performed to determine the epidemiological, clinical, and histopathological characteristics and prognosis of primary mucosal melanoma of the head and neck (MMHN) in Denmark. Material and methods This was a national…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Triple blockade of EGFR, MEK and PD-L1 has antitumor activity in colorectal cancer models with constitutive activation of MAPK signaling and PD-L1 overexpression

Stefania Napolitano, Nunzia Matrone, A. L. Muddassir et al. · 2019 · Journal of Experimental & Clinical Cancer Research

BACKGROUND: Molecular mechanisms driving acquired resistance to anti-EGFR therapies in metastatic colorectal cancer (mCRC) are complex but generally involve the activation of the downstream RAS-RAF-MEK-MAPK pathway. Nevertheless, even if inhibition of EGFR and MEK could be a strategy for overcoming anti-EGFR resistance, its use is limited by the development of MEK inhibitor (MEKi) resistance. METHODS: We have generated in vitro and in vivo different CRC models in order to underline the mechanisms of MEKi resistance. RESULTS: The three different in vitro MEKi resistant models, two generated by

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Replication FailureMedicine

Abstract S4-2: First Efficacy Results of a Randomized, Open-Label, Phase III Study of Adjuvant Doxorubicin Plus Cyclophosphamide, Followed by Docetaxel with or without Capecitabine, in High-Risk Early Breast Cancer

Joyce O’Shaughnessy, D Paul, Christopher Stokoe et al. · 2010 · Cancer Research

Abstract Background: Combination regimens incorporating anthracyclines and taxanes are among the most effective for EBC and are particularly suitable for pts with high-risk disease. Significant efficacy benefit has been shown in phase III…

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Negative / Null Result ReportOpen accessMedicine

Reducing mortality with cotrimoxazole preventive therapy at initiation of antiretroviral therapy in South Africa

Christopher J. Hoffmann, Katherine Fielding, Salome Charalambous et al. · 2010 · AIDS

OBJECTIVE: To assess the effectiveness of cotrimoxazole preventive therapy (CPT) among individuals with CD4 cell count above 200 cells/microl and varying WHO clinical stages in reducing mortality during combination antiretroviral therapy…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

A Multivariate Poisson Deep Learning Model for Genomic Prediction of Count Data

Osval A. Montesinos‐López, J. Cricelio Montesinos-López, P. K. Singh et al. · 2020 · G3 Genes Genomes Genetics

The paradigm called genomic selection (GS) is a revolutionary way of developing new plants and animals. This is a predictive methodology, since it uses learning methods to perform its task. Unfortunately, there is no universal model that can be used for all types of predictions; for this reason, specific methodologies are required for each type of output (response variables). Since there is a lack of efficient methodologies for multivariate count data outcomes, in this paper, a multivariate Poisson deep neural network (MPDN) model is proposed for the genomic prediction of various count outcome

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Negative / Null Result ReportOpen accessMedicine

Significant associations of age, menopausal status and lifestyle factors with visceral adiposity in African-American and European-American women

Ellen W. Demerath, Nikki Lynn Rogers, Derek Reed et al. · 2010 · Annals of Human Biology

BACKGROUND: Elevated visceral adiposity is strongly predictive of cardiometabolic disease, but, due to the high cost of biomedical imaging, assessment of factors contributing to normal variation in visceral (VAT) and subcutaneous (SAT)…

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Negative / Null Result ReportOpen accessMedicine

Significant association between clinical characteristics and changes in peripheral immuno-phenotype in large vessel vasculitis

Kotaro Matsumoto, Katsuya Suzuki, Keiko Yoshimoto et al. · 2019 · Arthritis Research & Therapy

Abstract Background Large vessel vasculitis (LVV) is a type of vasculitis characterized by granulomatous inflammation of medium- and large-sized arteries. Clinical assessment of acute phase reactants has been conventionally used to diagnose and monitor diseases; however, accurate assessment of vascular disease activity status can be difficult. In this study, we investigated comprehensive immuno-phenotyping to explore useful biomarkers associated with clinical characteristics. Methods Consecutive patients with newly diagnosed LVV who visited our institution between May 2016 and May 2019 were en

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Caspase-11 signaling enhances graft-versus-host disease

Yanyan Lu, Ran Meng, Xiangyu Wang et al. · 2019 · Nature Communications

Acute graft-versus-host disease (GVHD) remains a major obstacle for the wider usage of allogeneic hematopoietic stem cell transplantation (allo-HSCT), which is an effective therapy for hematopoietic malignancy. Here we show that caspase-11, the cytosolic receptor for bacterial endotoxin (lipopolysaccharide: LPS), enhances GVHD severity. Allo-HSCT markedly increases the LPS-caspase-11 interaction, leading to the cleavage of gasdermin D (GSDMD). Caspase-11 and GSDMD mediate the release of interleukin-1α (IL-1α) in allo-HSCT. Deletion of Caspase-11 or Gsdmd, inhibition of LPS-caspase-11 interacti

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Negative / Null Result ReportOpen accessMedicine

Randomized Controlled Trial of Ultrasound-guided Fluid Resuscitation of Sepsis-Induced Hypoperfusion and Septic Shock

Khrongwong Musikatavorn, Poj Plitawanon, Suthaporn Lumlertgul et al. · 2021 · Western Journal of Emergency Medicine

INTRODUCTION: The ultrasound measurement of inferior vena cava (IVC) diameter change during respiratory phase to guide fluid resuscitation in shock patients is widely performed, but the benefit on reducing the mortality of sepsis patients is questionable. The study objective was to evaluate the 30-day mortality rate of patients with sepsis-induced tissue hypoperfusion (SITH) and septic shock (SS) treated with ultrasound-guided fluid management (UGFM) using ultrasonographic change of the IVC diameter during respiration compared with those treated with the usual-care strategy. METHODS: This was

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Negative / Null Result ReportOpen accessMedicine

Interrogating the immune-modulating roles of radiation therapy for a rational combination with immune-checkpoint inhibitors in treating pancreatic cancer

Kenji Fujiwara, May Tun Saung, Hao Jing et al. · 2020 · Journal for ImmunoTherapy of Cancer

Background Radiation therapy (RT) has the potential to enhance the efficacy of immunotherapy, such as checkpoint inhibitors, which has dramatically altered the landscape of treatments for many cancers, but not yet for pancreatic ductal…

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Negative / Null Result ReportOpen accessMedicine

Morphologic remission status is limited compared to ΔN flow cytometry: a Children’s Oncology Group AAML0531 report

Lisa Eidenschink Brodersen, Robert B. Gerbing, María Laura Pardo et al. · 2020 · Blood Advances

Risk stratification for acute myeloid leukemia (AML) uses molecular and cytogenetic abnormalities identified at diagnosis. Response to therapy informs risk, and morphology continues to be used more frequently than flow cytometry. Herein,…

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Negative / Null Result ReportOpen accessDentistry

Effect of distance learning on the quality of life, anxiety and stress levels of dental students during the COVID-19 pandemic

Zeynep Başağaoğlu Demirekin, Muhammed Hilmi Büyükçavuş · 2022 · BMC Medical Education

BACKGROUND: The long-term psychological effects of COVID-19 on dental students are unclear. The aim of this cross-sectional online study was to investigate the psychological effects of the COVID-19 pandemic on dental students. METHOD: The Quality of Life Scale (WHOQOL-BREF) was sent to all dental students through Google Forms to evaluate their quality of life (QoL), and the DASS-21 scale was used to evaluate their psychosocial status due to distance learning during the COVID-19 pandemic. The answers were analyzed both on the basis of year of education and type of education (online versus class

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Negative / Null Result ReportOpen accessMedicine

The quinoline bromoquinol exhibits broad-spectrum antifungal activity and induces oxidative stress and apoptosis in Aspergillus fumigatus

Dafna Ben Yaakov, Yana Shadkchan, Nathaniel D. Albert et al. · 2017 · Journal of Antimicrobial Chemotherapy

Objectives: Over the last 30 years, the number of invasive fungal infections among immunosuppressed patients has increased significantly, while the number of effective systemic antifungal drugs remains low. The aim of this study was to…

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Replication FailureOpen accessMedicine

High-Dose Versus Standard-Dose Intensity-Modulated Radiotherapy With Concurrent Paclitaxel Plus Carboplatin for Patients With Thoracic Esophageal Squamous Cell Carcinoma: A Randomized, Multicenter, Open-Label, Phase 3 Superiority Trial

Jing You, Shuchai Zhu, Jiancheng Li et al. · 2022 · International Journal of Radiation Oncology*Biology*Physics

PurposeThe standard dose (SD) of definitive concurrent chemoradiotherapy (dCRT) remains 50.4 Gy in patients with esophageal cancer; a higher dose, when applied with conventional radiation therapy techniques, increases toxicities without…

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Negative / Null Result ReportOpen accessMedicine

BAFF-neutralizing interaction of belimumab related to its therapeutic efficacy for treating systemic lupus erythematosus

Woo‐Ri Shin, Hyun Tae Lee, Heejin Lim et al. · 2018 · Nature Communications

BAFF, a member of the TNF superfamily, has been recognized as a good target for autoimmune diseases. Belimumab, an anti-BAFF monoclonal antibody, was approved by the FDA for use in treating systemic lupus erythematosus. However, the molecular basis of BAFF neutralization by belimumab remains unclear. Here our crystal structure of the BAFF-belimumab Fab complex shows the precise epitope and the BAFF-neutralizing mechanism of belimumab, and demonstrates that the therapeutic activity of belimumab involves not only antagonizing the BAFF-receptor interaction, but also disrupting the formation of th

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Negative / Null Result ReportOpen accessMedicine

Intratumoral administration of CD1c (BDCA-1)+ and CD141 (BDCA-3)+ myeloid dendritic cells in combination with talimogene laherparepvec in immune checkpoint blockade refractory advanced melanoma patients: a phase I clinical trial

Julia Katharina Schwarze, Jens Tijtgat, Gil Awada et al. · 2022 · Journal for ImmunoTherapy of Cancer

Background Intratumoral (IT) myeloid dendritic cells (myDCs) play a pivotal role in initiating antitumor immune responses and relicensing of anti-tumor cytotoxic T lymphocytes within the tumor microenvironment. Talimogene laherparepvec…

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