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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 Report

The more we search, the more we find: discovering and expanding the biodiversity in the ring nematode genus Xenocriconemella De Grisse and Loof, 1965 (Nematoda: Criconematidae)

A. Archidona-Yuste, I. Clavero-Camacho, A. N. Ruiz-Cuenca et al. · 2024 · Zoological Letters

Abstract The ring nematode genus Xenocriconemella De Grisse and Loof, 1965 comprises only one nominal species, Xenocriconemella macrodora (Taylor, 1936) De Grisse and Loof, 1965. The initial objective of the present study was to…

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Negative / Null Result ReportBiochemistry, Genetics and Molecular Biology

Purinergic Signaling Regulates the Transforming Growth Factor-β3-Induced Chondrogenic Response of Mesenchymal Stem Cells to Hydrostatic Pressure

Andrew J. Steward, Daniel J. Kelly, Diane R. Wagner · 2016 · Tissue Engineering Part A

Although hydrostatic pressure (HP) is known to regulate chondrogenic differentiation of mesenchymal stromal/stem cells (MSCs), improved insight into the mechanotransduction of HP may form the basis for novel tissue engineering strategies.…

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Negative / Null Result ReportOpen accessMedicine

A Significant Effect of Pemafibrate on Hepatic Steatosis and Fibrosis Indexes in Patients With Hypertriglyceridemia

Hisayuki Katsuyama, Hidekatsu Yanai, Hiroki Adachi et al. · 2023 · Gastroenterology Research

Background: We previously reported that the selective peroxisome proliferator-activated receptor alpha modulator, pemafibrate, significantly reduced serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT) and…

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Negative / Null Result ReportOpen accessMedicine

Replication of SARS-CoV-2 in cell lines used in public health surveillance programmes with special emphasis on biosafety

Shailesh D. Pawar, Sadhana S. Kode, Sachin S. Keng et al. · 2022 · The Indian Journal of Medical Research

Background & objectives Polio, measles, rubella, influenza and rotavirus surveillance programmes are of great public health importance globally. Virus isolation using cell culture is an integral part of such programmes. Possibility of…

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Negative / Null Result Report

Pre-exposure Prophylaxis with Tixagevimab-cilgavimab did not Reduce Severity of COVID-19 in Lung Transplant Recipients with Breakthrough Infection

Devika Sindu, Deepika Razia, Katherine Grief et al. · 2023 · Transplantation Direct

Background. Lung transplant recipients (LTRs) have an increased risk of COVID-19–related morbidity and mortality. Tixagevimab-cilgavimab (tix-cil) is a long-acting monoclonal antibody combination granted Emergency Use Authorization…

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Negative / Null Result ReportOpen accessMedicine

Vaccines targeting the primary amino acid sequence and conformational epitope of amyloid‐β had distinct effects on neuropathology and cognitive deficits in EAE/AD mice

Xiaolin Yu, Jie Zhu, Xiang‐meng Liu et al. · 2020 · British Journal of Pharmacology

BACKGROUND AND PURPOSE: Immunotherapeutic intervention is one of the most promising strategies for the prevention and treatment of Alzheimer's disease (AD). Although they showed great success in AD mouse models, the clinical trials of many…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

IKKα promotes lung adenocarcinoma growth through ERK signaling activation via DARPP-32-mediated inhibition of PP1 activity

Sk. Kayum Alam, Li Wang, Zhu Zhu et al. · 2023 · npj Precision Oncology

Non-small cell lung cancer (NSCLC) accounts for 80-85% cases of lung cancer cases. Diagnosis at advanced stages is common, after which therapy-refractory disease progression frequently occurs. Therefore, a better understanding of the molecular mechanisms that control NSCLC progression is necessary to develop new therapies. Overexpression of IκB kinase α (IKKα) in NSCLC correlates with poor patient survival. IKKα is an NF-κB-activating kinase that is important in cell survival and differentiation, but its regulation of oncogenic signaling is not well understood. We recently demonstrated that IK

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Negative / Null Result ReportOpen accessImmunology and Microbiology

Tumor Subtype Determines Therapeutic Response to Chimeric Polypeptide Nanoparticle–based Chemotherapy in Pten -deleted Mouse Models of Sarcoma

Rebecca D. Dodd, Amanda Scherer, Wesley Huang et al. · 2020 · Clinical Cancer Research

Abstract Purpose: Nanoparticle-encapsulated drug formulations can improve responses to conventional chemotherapy by increasing drug retention within the tumor and by promoting a more effective antitumor immune response than free drug. New…

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Negative / Null Result ReportOpen accessMedicine

Feasibility study of mobile phone photography as a possible outcome measure of systemic sclerosis-related digital lesions

Adrian K. Davison, Graham Dinsdale, Paul New et al. · 2022 · Rheumatology Advances in Practice

Objective: Clinical trials assessing systemic sclerosis (SSc)-related digital ulcers have been hampered by a lack of reliable outcome measures of healing. Our objective was to assess the feasibility of patients collecting high-quality mobile phone images of their digital lesions as a first step in developing a smartphone-based outcome measure. Methods: Patients with SSc-related digital (finger) lesions photographed one or more lesions each day for 30 days using their smartphone and uploaded the images to a secure Dropbox folder. Image quality was assessed using six criteria: blurriness, shadow

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Negative / Null Result ReportOpen accessMedicine

Systemic Therapies for HER2-Positive Advanced Breast Cancer

Vasileios Angelis, Alicia Okines · 2023 · Cancers

Despite recent advances, HER2-positive advanced breast cancer (ABC) remains a largely incurable disease, with resistance to conventional anti-HER2 drugs ultimately unavoidable for all but a small minority of patients who achieve an enduring remission and possibly cure. Over the past two decades, significant advances in our understanding of the underlying molecular mechanisms of HER2-driven oncogenesis have translated into pharmaceutical advances, with the developing of increasingly sophisticated therapies directed against HER2. These include novel, more potent selective HER2 tyrosine kinase in

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Negative / Null Result ReportOpen accessMedicine

Hepatic artery infusion of FOLFOX chemotherapy plus camrelizumab combined with sorafenib for advanced hepatocellular carcinoma in Barcelona Clinic Liver Cancer stage C (Double-IA-001): a phase II trial

Lujun Shen, Fei Cao, Ying Liu et al. · 2025 · BMC Medicine

BACKGROUND: Hepatic arterial infusion chemotherapy (HAIC) with a combination of oxaliplatin, fluorouracil, and leucovorin (FOLFOX) has shown excellent local control for patients with Barcelona Clinic Liver Cancer (BCLC) stage C…

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Negative / Null Result ReportMedicine

Significant effects of lymph and blood vascular invasion on the prognosis of early‐stage cervical squamous cell carcinoma

Yanna Zhang, Ming Yan, Jiehua He et al. · 2010 · Journal of obstetrics and gynaecology research

AIM: In the past 10 years, therapeutic advances have led to improved short-term efficacy for cervical carcinoma; however, the 5-year survival rate was not significantly enhanced. To investigate the effects of blood vessel invasion (BVI)…

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Negative / Null Result ReportOpen accessMedicine

Chemoradiation ± Atezolizumab in Limited-Stage Small Cell Lung Cancer: Results of NRG Oncology/Alliance LU005

Kristin A. Higgins, Chen Hu, Helen J. Ross et al. · 2026 · Journal of Clinical Oncology

PURPOSE NRG Oncology/Alliance LU005 (ClinicalTrials.gov identifier: NCT03811002 ) tested the addition of atezolizumab to concurrent chemoradiation (CRT) in this open-label, phase III international trial. METHODS Patients with limited-stage…

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Negative / Null Result ReportOpen accessMedicine

Impact of Coronary Lesion Stability on the Benefit of Emergent Percutaneous Coronary Intervention After Sudden Cardiac Arrest

Louis Pechmajou, Éloi Marijon, Olivier Varenne et al. · 2020 · Circulation Cardiovascular Interventions

Background: Conflicting data exist regarding the benefit of urgent coronary angiogram and percutaneous coronary intervention (PCI) after sudden cardiac arrest, particularly in the absence of ST-segment elevation. We hypothesized that the…

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Negative / Null Result ReportOpen accessMedicine

Ratcheting down the virulence of SARS‐CoV‐2 in the COVID‐19 pandemic

Adam Brufsky, Michael T. Lotze · 2020 · Journal of Medical Virology

Muller's ratchet1 predicts that when mutation rates are high and a significant proportion of mutations are deleterious, a kind of irreversible ratchet mechanism will gradually decrease the mean fitness of small populations of asexual organisms.2 In cell culture, serial passage of genetically bottlenecked vesicular stomatitis virus, which grew quite rapidly on HeLa cells, severely reduced in fitness and virulence within 20 passages in a novel BHK host cell.2 Genetic bottlenecks are likely important in intraspecies viral transmission.3 RNA-based viruses are particularly prone to repeated bottlen

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Negative / Null Result ReportMedicine

Ganciclovir Therapy for CMV Viremia in a Patient on VV ECMO With COVID-19 After Treatment With Tocilizumab

Leah Amundson, Brandon Boelts, Vivek Kataria et al. · 2021 · Infectious Diseases in Clinical Practice

To the Editor: Coronavirus disease 2019 (COVID-19) has resulted in a widespread pandemic in which various therapeutics have been studied. Targeted therapies focus on either the viral or the inflammatory phase to ultimately reduce disease…

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Negative / Null Result ReportOpen accessMedicine

Development of a tailored intervention targeting sedentary behavior and physical activity in people with stroke and diabetes: A qualitative study using a co-creation framework

Stefan Sjørslev Bodilsen, Mette Aadahl, Troels Wienecke et al. · 2023 · Frontiers in Rehabilitation Sciences

Purpose: Type 2 diabetes and sedentary behavior pose serious health risks in stroke survivors. Using a co-creation framework, this study aimed to develop an intervention in collaboration with stroke survivors with type 2 diabetes, relatives, and cross-sectoral health care professionals to reduce sedentary behavior and increase physical activity. Materials and methods: = 10) to develop the intervention. A content analysis was used to analyze data. Results: The developed "Everyday Life is Rehabilitation" (ELiR) intervention consisted of a tailored 12-week home-based behavior change intervention

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Negative / Null Result ReportOpen accessMedicine

Epidemiology of childhood acute kidney injury in England using e-alerts

Lucy Plumb, Anna Casula, Manish D. Sinha et al. · 2023 · Clinical Kidney Journal

ABSTRACT Background Few studies describe the epidemiology of childhood acute kidney injury (AKI) nationally. Laboratories in England are required to issue electronic (e-)alerts for AKI based on serum creatinine changes. This study…

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Negative / Null Result ReportOpen accessMedicine

Erythrocytosis incidence and thromboembolic risk in heart failure with reduced ejection fraction treated with SGLT2 inhibitors: a nationwide register-based cohort study

Abdullahi Ahmed Mohamed, Camilla Fuchs Andersen, Daniel Mølager Christensen et al. · 2025 · Cardiovascular Diabetology

BACKGROUND: Sodium-glucose cotransporter-2 inhibitors (SGLT2i) increase haemoglobin and haematocrit levels, potentially causing secondary erythrocytosis-defined as a haemoglobin level above 16.5 g/dL in men and 16.0 g/dL in women-which is…

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Negative / Null Result Report

Nutraceutical and pharmaceutical cocktails did not improve muscle function or reduce histological damage in D2-mdx mice

Hannah R. Spaulding, Tiffany Quindry, Kayleen Hammer et al. · 2019 · Journal of Applied Physiology

Progressive muscle injury and weakness are hallmarks of Duchenne muscular dystrophy. We showed previously that quercetin (Q) partially protected dystrophic limb muscles from disease-related injury. As quercetin activates PGC-1α through…

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Negative / Null Result Report

Did the use of open invitations in place of timed appointment invitations reduce the uptake of breast screening in the London region during the COVID-19 recovery?

Sue M Hudson, Kathie Binysh, Stephen W Duffy · 2022 · Journal of Medical Screening

Objective The Covid-19 pandemic created a backlog of women awaiting an invitation for breast screening in the UK. To recover in a timely fashion, the National Health Service programme opted to issue open invitations (OI) to women rather…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Enhanced efficacy with azacytidine and oncolytic BHV-1 in a tolerized cotton rat model of breast adenocarcinoma

Breanne Cuddington, Meghan L. Verschoor, Ali A. Ashkar et al. · 2015 · Molecular Therapy — Oncolytics

Oncolytic viruses selectively replicate in cancer cells by exploiting biochemical differences between normal and tumor cells. Treatment with epigenetic modifiers such as 5-Azacytidine, a DNA methyltransferase inhibitor, increases the…

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Negative / Null Result Report

Union-find quantum decoding without union-find

Sam J. Griffiths, Dan E. Browne · 2024 · Physical Review Research

The union-find decoder is a leading algorithmic approach to the correction of quantum errors on the surface code, achieving code thresholds comparable to minimum-weight perfect matching (MWPM) with amortized computational time scaling…

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