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Browse the failure-mode index

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 accessBiochemistry, Genetics and Molecular Biology

Systemic release of high mobility group box 1 (HMGB1) protein is associated with severe and fatal Plasmodium falciparum malaria

Sarah J. Higgins, Katharine He Xing, Hani Kim et al. · 2013 · Malaria Journal

BACKGROUND: Severe falciparum malaria (SM) pathogenesis has been attributed, in part, to deleterious systemic host inflammatory responses to infection. High mobility group box 1 (HMGB1) protein is an important mediator of inflammation implicated in sepsis pathophysiology. METHODS: Plasma levels of HMGB1 were quantified in a cohort of febrile Ugandan children with Plasmodium falciparum infection, enrolled in a prospective observational case-controlled study, using a commercial enzyme-linked immunosorbent assay. The utility of HMGB1 to distinguish severe malaria (SM; n = 70) from uncomplicated m

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Negative / Null Result ReportOpen accessMedicine

Targeting Treg-Expressed STAT3 Enhances NK-Mediated Surveillance of Metastasis and Improves Therapeutic Response in Pancreatic Adenocarcinoma

Miles Piper, Benjamin Van Court, Adam Mueller et al. · 2021 · Clinical Cancer Research

PURPOSE: Metastasis remains a major hurdle in treating aggressive malignancies such as pancreatic ductal adenocarcinoma (PDAC). Improving response to treatment, therefore, requires a more detailed characterization of the cellular…

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Negative / Null Result ReportOpen accessMedicine

Tempol, an Intracellular Antioxidant, Inhibits Tissue Factor Expression, Attenuates Dendritic Cell Function, and Is Partially Protective in a Murine Model of Cerebral Malaria

Ivo M.B. Francischetti, Emile B. Gordon, Bruna Bizzarro et al. · 2014 · PLoS ONE

BACKGROUND: The role of intracellular radical oxygen species (ROS) in pathogenesis of cerebral malaria (CM) remains incompletely understood. METHODS AND FINDINGS: We undertook testing Tempol--a superoxide dismutase (SOD) mimetic and pleiotropic intracellular antioxidant--in cells relevant to malaria pathogenesis in the context of coagulation and inflammation. Tempol was also tested in a murine model of CM induced by Plasmodium berghei Anka infection. Tempol was found to prevent transcription and functional expression of procoagulant tissue factor in endothelial cells (ECs) stimulated by lipopo

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Negative / Null Result ReportMedicine

A comparison of revision and rerupture rates of ACL reconstruction between autografts and allografts in the skeletally immature

Ian R. Nelson, Jason Chen, Rebecca Love et al. · 2016 · Knee Surgery Sports Traumatology Arthroscopy

PURPOSE: Anterior cruciate ligament reconstructions (ACLRs) in skeletally immature patients are increasing. The purpose of this study is to describe the demographics, graft usage, revision, and re-operation rates in skeletally immature…

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Negative / Null Result ReportOpen accessMedicine

miR-21 expression and clinical outcome in locally advanced pancreatic cancer: exploratory analysis of the pancreatic cancer Erbitux, radiotherapy and UFT (PERU) trial

Khurum Khan, David Cunningham, Clare Peckitt et al. · 2016 · Oncotarget

// Khurum Khan 1 , David Cunningham 1 , Clare Peckitt 1 , Sarah Barton 1 , Diana Tait 1 , Maria Hawkins 1,2 , David Watkins 1 , Naureen Starling 1 , Sheela Rao 1 , Ruwaida Begum 1 , Janet Thomas 1 , Jacqui Oates 1 , Vincenza Guzzardo 3 , Matteo Fassan 3 , Chiara Braconi 1,4 and Ian Chau 1 1 Gastrointestinal Unit, The Royal Marsden NHS Foundation Trust, Sutton, UK 2 CRUK/MRC Oxford Institute for Radiation Oncology, Gray Laboratories, University of Oxford, Oxford, UK 3 Department of Medicine, University of Padua, Padua, IT 4 Division of Cancer Therapeutics, The Institute of Cancer Research, Sutt

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Negative / Null Result ReportOpen accessMedicine

Natural conception rate following laparoscopic surgery in infertile women with endometriosis

Hye Jun Lee, Jae Eun Lee, Seung‐Yup Ku et al. · 2013 · Daehan saengsik uihak hoeji/Clinical and experimental reproductive medicine

OBJECTIVE: To investigate the influence of laparoscopic surgery on the natural conception rate in infertile women with endometriosis during the first year after the operation. METHODS: We retrospectively studied 43 infertile women with…

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Negative / Null Result ReportOpen accessMedicine

Natural history of recurrences in endometrial carcinoma

Bengt Sorbe, CHRISTIAN JURESTA, Cecilia Ahlin · 2014 · Oncology Letters

The aim of the present study was to evaluate the natural history of endometrial cancer recurrences with regard to predictive and prognostic factors. Between 1990 and 1999, 100 patients were treated for recurrences of endometrial carcinoma…

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Negative / Null Result ReportOpen accessMedicine

Effects of Mu-Opiate Receptor Gene Polymorphism rs1799971 (A118G) on the Antidepressant and Dissociation Responses in Esketamine Nasal Spray Clinical Trials

Ziad S. Saad, Derrek P. Hibar, Maggie Fedgchin et al. · 2020 · The International Journal of Neuropsychopharmacology

BACKGROUND: At ketamine and esketamine doses at which antidepressant doses are achieved, these agents are relatively selective, noncompetitive, N-methyl-D-aspartate receptor antagonists. However, at substantially higher doses, ketamine has…

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Negative / Null Result ReportOpen accessMedicine

Identification of a novel MET mutation in high-grade glioma resulting in an auto-active intracellular protein

Anna C. Navis, Sanne A. M. van Lith, Sander M. J. van Duijnhoven et al. · 2015 · Acta Neuropathologica

MET has gained interest as a therapeutic target for a number of malignancies because of its involvement in tumorigenesis, invasion and metastasis. At present, a number of inhibitors, both antibodies against MET or its ligand hepatocyte growth factor, and small molecule MET tyrosine kinase inhibitors are in clinical trials. We here describe a novel variant of MET that is expressed in 6% of high-grade gliomas. Characterization of this mutation in a glioma cell line revealed that it consists of an intronic deletion, resulting in a splice event connecting an intact splice donor site in exon 6 with

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Negative / Null Result ReportOpen accessMedicine

Metastatic feline mammary cancer: prognostic factors, outcome and comparison of different treatment modalities – a retrospective multicentre study

Gonçalo N. Petrucci, Joaquim Henriques, Hugo Gregório et al. · 2020 · Journal of Feline Medicine and Surgery

Objectives Although feline mammary carcinomas (FMCs) are highly metastatic, the literature and treatment options pertaining to advanced tumours are scarce. This study aimed to investigate the clinical outcome of metastatic FMC with or…

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Negative / Null Result ReportOpen accessImmunology and Microbiology

Adjuvant dendritic cell therapy in stage IIIB/C melanoma: the MIND-DC randomized phase III trial

Kalijn F. Bol, Gerty Schreibelt, Martine Bloemendal et al. · 2024 · Nature Communications

Autologous natural dendritic cells (nDCs) treatment can induce tumor-specific immune responses and clinical responses in cancer patients. In this phase III clinical trial (NCT02993315), 148 patients with resected stage IIIB/C melanoma were randomized to adjuvant treatment with nDCs (n = 99) or placebo (n = 49). Active treatment consisted of intranodally injected autologous CD1c+ conventional and plasmacytoid DCs loaded with tumor antigens. The primary endpoint was the 2-year recurrence-free survival (RFS) rate, whereas the secondary endpoints included median RFS, 2-year and median overall surv

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Human CD22 Inhibits Murine B Cell Receptor Activation in a Human CD22 Transgenic Mouse Model

Kyle J. Bednar, Elena Shanina, Romain Ballet et al. · 2017 · The Journal of Immunology

Abstract CD22, a sialic acid–binding Ig-type lectin (Siglec) family member, is an inhibitory coreceptor of the BCR with established roles in health and disease. The restricted expression pattern of CD22 on B cells and most B cell lymphomas…

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Negative / Null Result ReportOpen accessMedicine

<p>Prognostic value of lactate dehydrogenase to albumin ratio (LAR) in patients with resectable esophageal squamous cell carcinoma</p>

Ji‐Feng Feng, Liang Wang, Xun Yang et al. · 2019 · Cancer Management and Research

Background: We firstly identified a combination of lactate dehydrogenase (LDH) along with albumin (ALB), which was defined as LAR (LDH/ALB ratio). The purpose of our study here was initially to explore the prognostic role of LAR in…

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Negative / Null Result ReportOpen accessMedicine

Clinical and biomarker results from a phase II trial of combined cabozantinib and durvalumab in patients with chemotherapy-refractory colorectal cancer (CRC): CAMILLA CRC cohort

Anwaar Saeed, Robin Park, Harsh B. Pathak et al. · 2024 · Nature Communications

CAMILLA is a basket trial (NCT03539822) evaluating cabozantinib plus the ICI durvalumab in chemorefractory gastrointestinal cancer. Herein, are the phase II colorectal cohort results. 29 patients were evaluable. 100% had confirmed pMMR/MSS tumors. Primary endpoint was met with ORR of 27.6% (95% CI 12.7-47.2%). Secondary endpoints of 4-month PFS rate was 44.83% (95% CI 26.5-64.3%); and median OS was 9.1 months (95% CI 5.8-20.2). Grade≥3 TRAE occurred in 39%. In post-hoc analysis of patients with RAS wild type tumors, ORR was 50% and median PFS and OS were 6.3 and 21.5 months respectively. Explo

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Negative / Null Result ReportOpen accessMedicine

Effectiveness of adjuvant systemic chemotherapy for intermediate-risk stage IB cervical cancer

Koji Matsuo, Muneaki Shimada, Harushige Yokota et al. · 2017 · Oncotarget

// Koji Matsuo 1, 2, * , Muneaki Shimada 3, 4, * , Harushige Yokota 5 , Toyomi Satoh 6 , Hidetaka Katabuchi 7 , Shoji Kodama 8, 9 , Hiroshi Sasaki 10, 11 , Noriomi Matsumura 12, 13 , Mikio Mikami 14 and Toru Sugiyama 15 1 Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA 2 Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA 3 Department of Obstetrics and Gynecology, Tottori University, Tottori, Japan 4 Current affiliation: Department of Obstetrics and Gynecology, Tohoku Univ

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Negative / Null Result ReportOpen accessMedicine

Increased survival of cirrhotic patients with septic shock

Bertrand Sauneuf, Benoît Champigneulle, Alexis Soummer et al. · 2013 · Critical Care

INTRODUCTION: The overall outcome of septic shock has been recently improved. We sought to determine whether this survival gain extends to the high-risk subgroup of patients with cirrhosis. METHODS: Cirrhotic patients with septic shock admitted to a medical intensive care unit (ICU) during two consecutive periods (1997-2004 and 2005-2010) were retrospectively studied. RESULTS: Forty-seven and 42 cirrhotic patients presented with septic shock in 1997-2004 and 2005-2010, respectively. The recent period differed from the previous one by implementation of adjuvant treatments of septic shock includ

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Negative / Null Result ReportOpen accessMedicine

Impact of general anaesthesia on breast cancer survival: a 5-year follow up of a pragmatic, randomised, controlled trial, the CAN-study, comparing propofol and sevoflurane

Mats Enlund, Anders Berglund, Anna Enlund et al. · 2023 · EClinicalMedicine

Background: Anaesthesia may impact long-term cancer survival. In the Cancer and Anaesthesia study, we hypothesised that the hypnotic drug propofol will have an advantage of at least five percentage points in five-year survival over the inhalational anaesthetic sevoflurane for breast cancer surgery. Methods: From 2118 eligible breast cancer patients scheduled for primary curable, invasive breast cancer surgery, 1764 were recruited after ethical approval and individual informed consent to this open label, single-blind, randomised trial at four county- and three university hospitals in Sweden and

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Failed Experiment ReportOpen accessMedicine

Treatment of ovarian cancer by targeting the tumor stem cell-associated carbohydrate antigen, Sialyl-Thomsen-nouveau

Kristen Starbuck, Linah Al-Alem, David A. Eavarone et al. · 2018 · Oncotarget

// Kristen Starbuck 1, 4 , Linah Al-Alem 1, 4 , David A. Eavarone 2 , Silvia Fatima Hernandez 1, 4 , Chiara Bellio 1, 4 , Jillian M. Prendergast 2 , Jenna Stein 2 , Daniel T. Dransfield 2 , Bianca Zarrella 1 , Whitfield B. Growdon 1, 3, 4 , Jeff Behrens 2 , Rosemary Foster 1, 3, 4, * and Bo R. Rueda 1, 3, 4, * 1 Vincent Center for Reproductive Biology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA, USA 2 Siamab Therapeutics, Inc., Newton, MA, USA 3 Division of Gynecologic Oncology, Vincent Department of Obstetrics and Gynecology, Massachusetts General Hosp

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Significant Differences in the Gut Bacterial Communities of Hooded Crane (Grus monacha) in Different Seasons at a Stopover Site on the Flyway

Fengling Zhang, Xingjia Xiang, Yuanqiu Dong et al. · 2020 · Animals

Intestinal bacterial communities form an integral component of the organism. Many factors influence gut bacterial community composition and diversity, including diet, environment and seasonality. During seasonal migration, birds use many habitats and food resources, which may influence their intestinal bacterial community structure. Hooded crane (Grus monacha) is a migrant waterbird that traverses long distances and occupies varied habitats. In this study, we investigated the diversity and differences in intestinal bacterial communities of hooded cranes over the migratory seasons. Fecal sample

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Negative / Null Result ReportMedicine

Approach to Patients with Chylothorax Complicating Pulmonary Resection

Hasan Akın, Aysun Ölçmen, Özgür İşgörücü et al. · 2011 · The Thoracic and Cardiovascular Surgeon

Mediastinal lymph node dissection, an important part of surgery for non-small cell lung cancer, is associated with a risk of chylothorax. Although mortality has significantly decreased in recent years, it still worries thoracic surgeons.…

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Negative / Null Result ReportSocial Sciences

Bringing Back the System

Jolanda Jetten, S. Alexander Haslam, Fiona Kate Barlow · 2012 · Social Psychological and Personality Science

Why are conservatives happier than liberals? Napier and Jost (2008) argue that this is because conservative ideology has a palliative (system-justifying) function that protects conservatives’ (but not liberals’) happiness. We develop…

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Negative / Null Result Report

Do SOEs outperform private enterprises in CSR? Evidence from China

Haidong Zheng, Yue Zhang · 2016 · Chinese Management Studies

Purpose The purpose of this paper is to explore the relationship between firm size, the nature of ownership and corporate social responsibility (CSR) performance in China and to figure out the reason that state-owned enterprises (SOEs)…

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Negative / Null Result ReportOpen accessEconomics, Econometrics and Finance

Symmetric and Asymmetric Impact of Poverty, Income Inequality, and Population on Carbon Emission in Pakistan: New Evidence From ARDL and NARDL Co-Integration

Salim Khan, Wang Yahong · 2021 · Frontiers in Environmental Science

Several researchers have studied the relationship between poverty and environmental degradation, as these concerns are remained at top priority in achieving Sustainable Development Goals (SDGs). However, the symmetric and asymmetric impact of poverty and income inequality along with population and economic growth on carbon emissions (CO 2 e) has not been studied in the case of Pakistan. For this purpose, the short and long-run impact of poverty, income inequality, population, and GDP per capita on CO 2 e investigated by applying the Autoregressive Distributive Lag (ARDL) along with Non-linear

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Negative / Null Result ReportOpen accessHealth Professions

Nurse Level of Education, Quality of Care and Patient Safety in the Medical and Surgical Wards in Malaysian Private Hospitals: A Cross-sectional Study

Hamzah Abdul Rahman, Mu’taman Jarrar, Mohammad Sobri Don · 2015 · Global Journal of Health Science

BACKGROUND AND OBJECTIVE: Nursing knowledge and skills are required to sustain quality of care and patient safety. The numbers of nurses with Bachelor degrees in Malaysia are very limited. This study aims to predict the impact of nurse level of education on quality of care and patient safety in the medical and surgical wards in Malaysian private hospitals. METHODOLOGY: A cross-sectional survey by questionnaire was conducted. A total 652 nurses working in the medical and surgical wards in 12 private hospitals were participated in the study. Multistage stratified simple random sampling performed

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Negative / Null Result ReportOpen accessMedicine

Identification of PB2 Mutations Responsible for the Efficient Replication of H5N1 Influenza Viruses in Human Lung Epithelial Cells

Reina Yamaji, Shinya Yamada, Mai Quynh Le et al. · 2015 · Journal of Virology

UNLABELLED: Highly pathogenic H5N1 avian influenza viruses have caused outbreaks among poultry worldwide, resulting in sporadic infections in humans with approximately 60% mortality. However, efficient transmission of H5N1 viruses among…

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Negative / Null Result ReportOpen accessBusiness, Management and Accounting

Managing the risks and side effects of workplace friendships: The moderating role of workplace friendship self-efficacy

Ulrike Fasbender, Anne Burmeister, Mo Wang · 2023 · Journal of Vocational Behavior

In this paper, we investigate the risks and side effects of workplace friendships for coworkers. Combining the dialectical perspective on workplace friendships with a self-regulatory perspective, we argue that workplace friendships can…

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