Negative / Null Result ReportMedicine
Findik, Kaim, Uzun et al. · 2026 · Diagnostics (Basel, Switzerland)
Background/Objectives: Although vascular mechanisms are increasingly implicated in the etiology of sudden sensorineural hearing loss (SSNHL), the inability to directly visualize the labyrinthine artery remains a diagnostic obstacle.…
View details →DOI: 10.3390/diagnostics16121903 Negative / Null Result ReportMedicine
Moore, Joniak, Ladan et al. · 2026 · Journal of strength and conditioning research
Moore, SR, Joniak, KE, Ladan, AN, Britton, ME, Cantu, EI, Hirsch, KR, Hackney, AC, and Smith-Ryan, AE. Does hormonal phase affect acute high-intensity interval training exercise? An evaluation of performance and fatigue. J Strength Cond…
View details →DOI: 10.1519/jsc.0000000000005452 Negative / Null Result ReportMedicine
Grzech-Leśniak, Pyrkosz, Szwajkowski et al. · 2026 · Lasers in medical science
This in vitro study aimed to evaluate the antimicrobial effects of a 1064 nm Nd:YAG laser delivered through a novel handpiece designed to provide a flat-top, homogeneous energy distribution profile (MarcoM handpiece) against key oral…
View details →DOI: 10.1007/s10103-026-04921-5 Negative / Null Result ReportMedicine
Alshaibani, Kamadjaja, Sitalaksmi et al. · 2026 · Journal of molecular histology
Tooth extraction is a common procedure often followed by alveolar bone resorption, which may compromise future implant placement, prosthetic rehabilitation, esthetics, and periodontal support. Hydroxyapatite-chitosan (HA-Chi) scaffolds…
View details →DOI: 10.1007/s10735-026-10874-4 Negative / Null Result ReportMedicine
Siegmund, Delker, Widjaja et al. · 2026 · European journal of nuclear medicine and molecular imaging
Prostate-specific membrane antigen (PSMA)-targeted radiopharmaceutical therapy (RPT) is an established treatment for advanced prostate cancer, but renal radiation exposure remains a major safety concern, as no clinically established…
View details →DOI: 10.1007/s00259-026-08030-x Negative / Null Result ReportMedicine
Nomura, Kimata, Ito et al. · 2026 · Diagnostics (Basel, Switzerland)
Background/Objectives: To directly compare the capabilities of hybrid-type iterative reconstruction (IR) with the newly developed deep learning reconstruction (DLR) for the inner ear on high-definition CT (HDCT) obtained using the…
View details →DOI: 10.3390/diagnostics16121756 Negative / Null Result ReportOpen access
Marc Fisher, Ulrich Dirnagl, Geoffrey A Donnan et al. · 2020
Background and Purpose-As a research community, we have failed to demonstrate that drugs which show substantial efficacy in animal models of cerebral ischemia can also improve outcome in human stroke. Summary of Review-Accumulating…
Negative / Null Result ReportOpen access
Claire L. Gibson (6162488), Philip M. Bath (3111867) · 2015
Two multi-centre phase III clinical trials examining the protective potential of progesterone following traumatic brain injury have recently failed to demonstrate any improvement in outcome. Thus, it is timely to consider how this impacts…
Negative / Null Result ReportOpen access
M. Santilli, E. Grieco, ROSSETTI, MARCO et al. · 2014
Low high-density lipoprotein cholesterol (HDL-C) levels are associated with cardiovascular (CV) disease in type 2 diabetes (T2D). Unfortunately available drugs to increase HDL-C have failed to demonstrate a reduction in CV risk. We…
View details →DOI: 10.1016/j.diabres.2013.12.061 Negative / Null Result ReportOpen access
Armand J. Gold, Jeanne Q. Barry, Frederick P. Ferguson · 1960
Exposure of dogs to a simulated altitude of 30,000 feet for 30 minutes resulted in marked respiratory alkalosis and hypokalemia. The data failed to demonstrate, however, the appearance of the early transient hyperkalemic response which has…
View details →DOI: 10.1152/jappl.1960.15.1.37 Negative / Null Result ReportOpen access
Botta, Angela, De Carolis, S, Botta, A. et al. · 2015
The best therapy regimen for refractory obstetrical antiphospholipid syndrome remains to be determined. Additional treatments with steroids, plasma exchanges and immunoglobulins failed to show any beneficial effect. We present a case of a…
View details →DOI: 10.1016/j.autrev.2015.04.010 Negative / Null Result ReportOpen access
Wahlsten, Douglas, NC DOCKS at The University of North Carolina at Greensboro · 1968
Cockroaches (Periplaneta americana) learned to passively avoid electric shock in a two-compartment box after a single training trial. However, Ss exposed to CO2 gas immediately after the training trial failed to show retention of the…
Negative / Null Result ReportOpen access
Mosley, T H, Catellier, D, Sharrett, A R et al. · 2009
Cardiovascular risk factors are associated with a higher risk of developing dementia. Studies in older populations, however, have often failed to show this relationship. We assessed the association between cardiovascular risk factors…
View details →DOI: 10.17615/9nxm-j737 Negative / Null Result ReportOpen access
Glosser, G, Fleming, P, Longenecker, G et al. · 1982
Normal aged subjects were given lecithin and placebo for 5 weeks each in a double-blind crossover study. Supraspan tests of memory and learning failed to show any significant changes as a result of these treatments. Addition of a single IV…
Negative / Null Result ReportOpen access
Sami H. Uwaydat, Sunali Goyal · 2017
Background: We report a case of reversal of an acute corneal graft rejection following multiquadrant subtenon triamcinolone injection. Case Presentation: A 19-year-old woman who had acute corneal graft rejection failed to show resolution…
View details →DOI: 10.1159/000477202 Negative / Null Result ReportOpen access
Sheldon Danziger, Lesley J. Turner, Kristin S. Seefeldt
Although employment among welfare mothers increased substantially following the 1996 welfare reform, some former welfare recipients failed to find stable employment. We review the extent to which low-income mothers are without work and…
View details →DOI: 10.1111/j.1540-6237.2006.00378.x Negative / Null Result ReportOpen access
M. NORBIATO, F. PISETTA, BARBATO, ANGELO · 1986
Abstract Nine children, sensitized to grass pollens, with seasonal rhinitis and mild asthma underwent bronchial challenge with carbachol and EIA test repeatedly either during a pre-seasonal or in seasonal period. We failed to find any…
Negative / Null Result ReportOpen access
Stoll, Richard J. · 1992
The empirical literature on arms races has often failed to find strong evidence of the existence of arms races among "obvious" dyads. In this article it is argued that if we assume that decision makers use simple rules and concentrate on…
View details →DOI: 10.1177/0022002792036002003. Negative / Null Result ReportOpen access
Yükmen Edens, Bakiye · 2018
Survey and excavation in northern Hatay and Smooth Cilicia (Adana and Osmaniye) have largely failed to find Palaeolithic and Aceramic Neolithic sites. The author here reports two seasons of a survey focused specifically on and around…
Negative / Null Result ReportOpen access
Goudy-Trainor, Amanda, Freeman, Patricia W. · 2002
We attempted to correlate echolocation call parameters to a comprehensive array of ear and nose measurements from 12 families of bats. Surprisingly, we failed to find any significant relationships. We did find consistent differences…
Negative / Null Result ReportOpen access
Glen M. Vaught, Andrew Broughton, Paul A. Roodin · 1974
The effects of birth order, sex, and family size were assessed on college students' performance on the rod-and-frame test and locus-of-control scale. No significant effects were obtained except for sex. These data were similar to other…
View details →DOI: 10.2466/pms.1974.39.1.671 Null DatasetOpen access
Volovnik, Semyon, Yunakov, Nikolai, Nazarenko, Vitalij et al. · 2018
Hypera (Eririnomorphus) kunzei Germar, 1822 Records. KYI [Cherkunov 1889: 188] Distribution. Central Europe (Skuhrovec 2013) Notes. We failed to find any H. kunzei in material from Ukraine. Meanwhile it resembles H. conmaculata which is…
View details →DOI: 10.5281/zenodo.3802937 Methods Dead-EndOpen access
Tucker, Todd · 2013
A major question in investment treaty arbitration is whether it is biased against developing countries. This paper replicates the results from a frequently cited paper on this question (Franck, 2009) that failed to find statistically…
View details →DOI: 10.7910/dvn/w5rnhc Negative / Null Result ReportOpen access
Pecher, D., Zeelenberg, R. (René), Pecher, D. (Diane) et al. · 2003
Previous studies have failed to find evidence for long-term cross-language repetition priming (e.g., presentation of the English word frog does not facilitate responding to its Dutch translation equivalent kikker on a later presentation).…
View details →DOI: 10.1016/s0749-596x(03)00020-2 Negative / Null Result ReportOpen access
Maurizio Guerra (1268337), Angelo Alberti (2426320), Serge Masson (2426323) et al. · 2016
The direct EPR detection of thioacyl radicals has been reported only once, while thioacyl nitroxides remain an elusive species. We failed to detect the thioacyl radicals from two thioaldehydes and from phosphoryldithioformates but have…
View details →DOI: 10.1021/ol801219g.s002 Negative / Null Result ReportOpen access
Chowdhury, Khorshed
In this paper we have examined the issue of convergence of per capita GDP across 7 South Asian countries during 1960-2000 using World Bank data. Empirical results failed to find evidence of s convergence, b convergence and conditional b…
Negative / Null Result ReportOpen access
Juan Olvido Perea-García, Monteiro, Antonia, Perea Garcia, J.O. et al. · 2021
Comparative examinations of external eye morphology in primates initially focused on communicative functions of the eye. Subsequent work has failed to find consistent associations between specific eye morphologies and communicative…
View details →DOI: 10.3390/sym13071270 Negative / Null Result ReportOpen access
Ross, Josephine; id_orcid · 2022
Do children and adults engage in spontaneous Theory of Mind (ToM)? Accumulating evidence from anticipatory looking (AL) studies suggests that they do. But a growing body of studies failed to replicate these original findings. This paper…
View details →DOI: 10.31234/osf.io/x4jbm Methods Dead-EndOpen access
Ling, Siew-Eng, Liew, Venus Khim-Sen, Lau, Sie-Hoe · 2005
This study shows that augmented Dickey-Fuller (ADF) test failed to detect covariance nonstationary series. Supportive of Ahamada (2004), this study finds that the cumulative sums of squares procedure in Inclán and Tiao (1994) is useful to…
Methods Dead-EndOpen access
Ling, Siew-Eng, Venus, Khim-Sen Liew, Lau, Sie-Hoe · 2005
This study shows that augmented Dickey-Fuller (ADF) test failed to detect covariance nonstationary series. Supportive of Ahamada (2004), this study finds that the cumulative sums of squares procedure in Inclán and Tiao (1994) is useful to…
