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20,211 real negative results, null findings, and replication failures · Negative / Null Result Report. 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 accessMedicine

Compassionate use of tocilizumab in severe SARS-CoV2 pneumonia

Miguel Górgolas Hernández-Mora, Alfonso Cabello, Laura Prieto-Pérez et al. · 2020 · International Journal of Infectious Diseases

INTRODUCTION: Tocilizumab (TCZ) is an interleukin-6 receptor antagonist, which has been used for the treatment of severe SARS-CoV-2 pneumonia (SSP), which aims to ameliorate the cytokine release syndrome (CRS) induced acute respiratory…

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Negative / Null Result ReportOpen accessMedicine

Efficacy and safety of belimumab/low-dose cyclophosphamide therapy in moderate-to-severe systemic lupus erythematosus

Hao Cheng, Xiaoying Zhang, Hui-dan Yang et al. · 2022 · Frontiers in Immunology

Objectives: We have reported previously that Belimumab, a human monoclonal antibody that inhibits B-cell activating factor(BAFF) could be an effective and safe option to treat Neuropsychiatric manifestations of SLE (NPSLE). To avoid inadequate efficacy of Belimumab and significant adverse events of often-used dose of cyclophosphamide (CYC) for SLE, we evaluated the efficacy, safety, and possible immune mechanisms of Belimumab treatment in combination with intermittent low-dose intravenous CYC for moderate-to-severe SLE. Methods: In this non blinded and parallel-group trial, we collected 82 cas

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Negative / Null Result ReportOpen accessMedicine

Long-term variations of arterial stiffness in patients with obesity and obstructive sleep apnea treated with continuous positive airway pressure

Louis-Marie Galerneau, Sébastien Bailly, Jean‐Christian Borel et al. · 2020 · PLoS ONE

BACKGROUND: Obstructive sleep apnea (OSA) is associated with cardiovascular co-morbidities and mortality. Arterial stiffness is an independent predictor of cardiovascular risk and mortality, and is influenced by the presence of OSA and related comorbidities. There is a paucity of data regarding long-term evolution of arterial stiffness in CPAP-treated OSA patients. We aimed to prospectively study long term PWV variations and determinants of PWV deterioration. METHODS: In a prospective obese OSA cohort, at time of diagnosis and after several years of follow-up we collected arterial stiffness me

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Negative / Null Result ReportOpen accessImmunology and Microbiology

Immediate Norepinephrine in Endotoxic Shock: Effects on Regional and Microcirculatory Flow*

Gustavo A. Ospina‐Tascón, José Luis Aldana, Alberto Garcı́a et al. · 2023 · Critical Care Medicine

OBJECTIVES: To investigate the effects of immediate start of norepinephrine versus initial fluid loading followed by norepinephrine on macro hemodynamics, regional splanchnic and intestinal microcirculatory flows in endotoxic shock.…

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Negative / Null Result ReportOpen accessImmunology and Microbiology

Emerging Cancer Vaccines: The Promise of Genetic Vectors

Luigi Aurisicchio, Gennaro Ciliberto · 2011 · Cancers

Therapeutic vaccination against cancer is an important approach which, when combined with other therapies, can improve long-term control of cancer. In fact, the induction of adaptive immune responses against Tumor Associated Antigens (TAAs) as well as innate immunity are important factors for tumor stabilization/eradication. A variety of immunization technologies have been explored in last decades and are currently under active evaluation, such as cell-based, protein, peptide and heat-shock protein-based cancer vaccines. Genetic vaccines are emerging as promising methodologies to elicit immune

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Androgen receptor‐positive, triple‐negative breast cancer

Ayca Gucalp, Tiffany A. Traina · 2017 · Cancer

Patients with triple-negative breast cancer (TNBC) generally are considered a single clinical subgroup, defined by the lack of receptor expression, and are uniformly treated with cytotoxic chemotherapy. However, the advent of molecular…

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Negative / Null Result ReportOpen accessNeuroscience

Phase I/II trial of BMS-986,205 and nivolumab as first line therapy in hepatocellular carcinoma

Jasmine C. Huynh, May Cho, Arta M. Monjazeb et al. · 2023 · Investigational New Drugs

BACKGROUND: Indoleamine-2,3-dioxygenase (IDO) helps orchestrate immune suppression and checkpoint inhibitor resistance in hepatocellular carcinoma (HCC). BMS-986,205 is a novel oral drug that potently and selectively inhibits IDO. This Phase I/II study evaluated the safety and tolerability of BMS-986,205 in combination with nivolumab as first-line therapy in advanced HCC. METHODS: IV on Day 1 of each 14-day cycle). The primary objective was to determine the safety and tolerability of this combination; secondary objectives were to obtain preliminary efficacy. RESULTS: Eight patients received a

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Negative / Null Result ReportOpen accessAgricultural and Biological Sciences

Temperature-dependent metabolic consequences of food deprivation in the European sardine

Elisa Thoral, Damien Roussel, Éric Gasset et al. · 2023 · Journal of Experimental Biology

Aquatic ecosystems can exhibit seasonal variation in resource availability and animals have evolved to cope with the associated caloric restriction. During winter in the NW Mediterranean Sea, the European sardine Sardina pilchardus…

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Negative / Null Result ReportOpen accessMedicine

Impact of subglottic secretion drainage on microaspiration in critically ill patients: a prospective observational study

Guillaume Millot, Pauline Boddaert, Erika Parmentier-Decrucq et al. · 2018 · Annals of Translational Medicine

Background: Microaspiration is a major factor in ventilator-associated pneumonia (VAP) pathophysiology. Subglottic secretion drainage (SSD) aims at reducing its incidence. Methods: Single-center prospective observational study, performed…

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Negative / Null Result ReportOpen accessImmunology and Microbiology

8th IAS Conference on HIV Pathogenesis, Treatment & Prevention 19-22 July 2015, Vancouver, Canada

Pate, KM, Pohlmeyer, C, Walker-Sperling, V et al. · 2015 · Journal of the International AIDS Society

Introduction Sensitive assays are needed for detection of residual HIV in patients with undetectable plasma viral loads to determine if eradication strategies are effective. The gold standard quantitative viral outgrowth assay (QVOA) underestimates the magnitude of the viral reservoir, while sensitive PCR-based assays lack the ability to distinguish replication competent from defective virus. We sought to determine whether xenograft of leukocytes from HIV-1 infected patients with undetectable plasma viral loads into severely immunocompromised mice would result in viral amplification and measur

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Negative / Null Result Report

Apremilast for moderate hidradenitis suppurativa: no significant change in lesional skin inflammatory biomarkers

A.R.J.V. Vossen, H.H. van der Zee, N. Davelaar et al. · 2018 · Journal of the European Academy of Dermatology and Venereology

Abstract Background Treatment with apremilast has recently demonstrated clinically meaningful improvement in moderate hidradenitis suppurativa ( HS ). Objective To evaluate the change in expression of inflammatory markers in lesional skin…

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Negative / Null Result Report

Effect of the change in antiviral therapy indication on identifying significant liver injury among chronic hepatitis B virus infections in the grey zone

Shan Ren, Wenjing Wang, Junfeng Lu et al. · 2022 · Frontiers in Immunology

Objective In clinical practice, a substantial proportion of chronic hepatitis B virus (HBV) infections that do not fit into any of the usual immune states are considered to be in the “grey zone (GZ)”. This study aimed to investigate the…

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Negative / Null Result Report

Association of clinically significant weight loss with number of patient visits and months of attendance at an Australian multidisciplinary weight management clinic

Juliana Chen, Harpreet Kaur, Joanna Jaques et al. · 2022 · Clinical Obesity

Summary Despite the obesity epidemic, there are relatively few multidisciplinary obesity services in Australia, and only limited data on the effectiveness of these services. The aim of this study was to evaluate the effectiveness of a…

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Negative / Null Result Report

Computer-Based Programmed Instruction Did Not Improve the Knowledge Retention of Medication Instructions of Individuals With Type 2 Diabetes Mellitus

Jorge G. Ruiz, Allen D. Andrade, Ramanakumar Anam et al. · 2013 · The Diabetes Educator

Purpose The purpose of this study was to investigate whether computer-based programmed instruction (CPI) with a dynamic avatar (DA) improves retention of medication information better than text (controls) or better than CPI with text…

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Negative / Null Result Report

Why did life expectancy in Central and Eastern Europe suddenly improve in the 1990s? An analysis by cause of death

Johan P. Mackenbach, Marina Karanikolos, Jamie Lopez Bernal et al. · 2015 · Scandinavian Journal of Public Health

Background: The upturn of life expectancy in Central and Eastern Europe in the 1990s, after a period of stagnation or even decline, is one of the main events in European population history of the late 20th century, but has not been…

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Negative / Null Result Report

Sigma receptor type 1 knockout mice show a mild deficit in plasticity but no significant change in synaptic transmission in the CA 1 region of the hippocampus

Melissa A. Snyder, Kieran McCann, Maryline J. Lalande et al. · 2016 · Journal of Neurochemistry

Abstract The sigma‐1 receptor (σ‐1R) is a chaperone protein located at the endoplasmic reticulum ( ER ) mitochondrial interface with roles in neuroprotection and cognition. Increasing evidence suggests that loss of σ‐1R function could…

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Negative / Null Result Report

Significant contributions of combustion‐related NH 3 and non‐fossil fuel NO x to elevation of nitrogen deposition in southwestern China over past five decades

Hao Huang, Wei Song, Xue‐Yan Liu · 2021 · Global Change Biology

Abstract Anthropogenic nitrogen (N) emissions and deposition have been increasing over past decades. However, spatiotemporal variations of N deposition levels and major sources remain unclear in many regions, which hinders making…

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Negative / Null Result Report

Association of the functionally significant polymorphisms of the MMP9 gene with H. pylori-positive gastric ulcer in the Caucasian population of Central Russia

Volodymyr Dvornyk, Irina Ponomarenko, Oksana Minyaylo et al. · 2021 · PLOS ONE

Background and purpose The study analyzed the association of functionally significant polymorphisms of matrix metalloproteinases ( MMPs ) genes with the development of gastric ulcer (GU) in Caucasians from Central Russia. Methods The 781…

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Negative / Null Result ReportOpen accessEconomics, Econometrics and Finance

Economic Complexity, Environmental Sustainability, and Technological Integration in Saudi Arabia: Analyzing Long-Term Trends

Ihsen Abid, Nesrine Gafsi · 2025 · International Journal of Energy Economics and Policy

The purpose of this research paper is to examine the long-term dynamics between economic growth, technological integration, and environmental sustainability in Saudi Arabia from 1995 to 2023. It aims to identify the impact of key economic, technological, and environmental indicators, including GDP, ICT sector performance, foreign direct investment (FDI), trade, and ecological footprint, on the country’s development trajectory. The research employs a quantitative approach, using VAR-VECM models to analyze time-series data. The study applies Granger causality tests and impulse response functions

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Negative / Null Result ReportOpen accessNeuroscience

A suite of engineered mice for interrogating psychedelic drug actions

Yi-Ting Chiu, Ariel Y. Deutch, Wei Wang et al. · 2026 · Nature Neuroscience

ABSTRACT Psychedelic drugs like lysergic acid diethylamide (LSD) and psilocybin have emerged as potentially transformative therapeutics for many neuropsychiatric diseases, including depression, anxiety, post-traumatic stress disorder,…

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