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Failure-mode index

Search what already failed

A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.

20261 results in Negative / Null Result Report · page 581 of 676

Negative / Null Result Report

Comparative CNS Pharmacology of the Bruton’s Tyrosine Kinase (BTK) Inhibitor Tolebrutinib Versus Other BTK Inhibitor Candidates for Treating Multiple Sclerosis

Turner TJ, Brun P, Gruber R et al. · 2024 · Preprint

Tolebrutinib is a covalent BTK inhibitor designed and selected for potency and CNS exposure to optimize impact on BTK-dependent signaling in CNS-resident cells. We applied a translational approach to evaluate three BTK inhibitors in Phase…

View details →DOI: 10.1101/2024.03.25.586667
Negative / Null Result ReportOpen accessMedicine

Investigating the Effect of Algal Inclusions in Broiler Chickens.

Al-Khalaifah H, Al-Nasser A, Al-Surrayai T · 2025 · Life (Basel, Switzerland)

There is growing interest in adding marine algae to poultry feed rations. The aim of the present study is to examine the effect of various inclusions of Sargassum sp., Gracilaria sp., and Spirulina sp. on productive performance, serum…

View details →DOI: 10.3390/life15040670
Negative / Null Result ReportOpen accessMedicine

Procalcitonin and CRP as Predictors of Anastomotic Dehiscence in Adult Patients.

Zamora Veliz HY, Paredes Cabanillas RY, Gomez Trejo JE et al. · 2025 · Cureus

Introduction Intestinal anastomotic leakage is a serious postoperative complication associated with high morbidity and mortality. Although acute-phase reactants such as procalcitonin (PCT) and CRP have been proposed as early biomarkers,…

View details →DOI: 10.7759/cureus.88190
Negative / Null Result ReportOpen accessMedicine

Achieving target plasma concentrations of beta-lactam antibiotics in critically ill patients: a retrospective study of full-dose administration in the first 24 hours.

Halačová M, Mieresová M, Kubele J et al. · 2026 · Pharmacological reports : PR

BACKGROUND: Beta-lactams are the cornerstone of therapy for the treatment of the most serious infections in the intensive care unit (ICU) setting. However, individualization of dosing remains challenging because pharmacokinetics are highly…

View details →DOI: 10.1007/s43440-026-00836-8
Negative / Null Result ReportOpen accessMedicine

Impaired Cognitive Flexibility With Preserved Learning in an Amyloid Precursor Protein Knock-In Mouse Model of Amyloidopathy.

Dumont JR, Sheppard PAS, Fodor C et al. · 2025 · Genes, brain, and behavior

Alzheimer's disease is a debilitating neurodegenerative condition characterized by amyloid beta plaques and tau neurofibrillary tangles, which leads to progressive cognitive decline. Several new mouse models of fast amyloid deposition have…

View details →DOI: 10.1111/gbb.70024
Negative / Null Result ReportMedicine

Moving from the clinic to telehealth during the COVID-19 pandemic - a pilot clinical trial comparing in-clinic rehabilitation versus telerehabilitation for persisting symptoms following a mild Traumatic brain injury.

Langevin P, Frémont P, Fait P et al. · 2024 · Disability and rehabilitation

Purpose The objective of this study was to compare the effects of an in-clinic cervicovestibular rehabilitation program (education, home exercises, manual techniques, sub-symptom threshold aerobic exercise [STAE] program) to a similar…

View details →DOI: 10.1080/09638288.2023.2236016
Negative / Null Result ReportMedicine

Ovulatory cycle shifts in human motivational prioritisation of sex and food.

Schleifenbaum L, Stern J, Driebe JC et al. · 2024 · Hormones and behavior

Previous research on the endogenous effects of ovarian hormones on motivational states in women has focused on sexual motivation. The Motivational Priority Shifts Hypothesis has a broader scope. It predicts a shift from somatic to…

View details →DOI: 10.1016/j.yhbeh.2024.105542
Negative / Null Result ReportMedicine

Evaluating nutrition in advanced ovarian cancer: which biomarker works best?

Fumagalli D, Sonik R, De Vitis LA et al. · 2024 · Gynecologic oncology

Background Advanced epithelial ovarian cancer (OC) patients often present with malnutrition; however, the ideal nutritional evaluation tool is unclear. We aimed to evaluate the role of preoperative albumin, Prognostic Nutritional Index…

View details →DOI: 10.1016/j.ygyno.2024.06.021
Negative / Null Result ReportOpen accessMedicine

Trajectory of COVID-related tinnitus over the pandemic timeline.

Figueiredo RR, de Azevedo AA, Figueiredo GMR et al. · 2026 · Brazilian journal of otorhinolaryngology

Objectives COVID-19 is a respiratory disease caused by the coronavirus SARS-CoV-2. Previous studies reported cases of tinnitus following COVID infection, most of them mild and with similar characteristics to other forms of tinnitus. Our…

View details →DOI: 10.1016/j.bjorl.2026.101857
Negative / Null Result ReportMedicine

Frequent Sugar-Sweetened Beverage Consumption, Dental Caries, and the Federal Poverty Level in Children 1-18 Years, NHANES 2015-2020.

Wiener RC, Abuhalimeh B, Cochran J · 2025 · Community dentistry and oral epidemiology

Objective The objective of this research was to determine if the ratio of family income to poverty index is a modifier in the relationship of sugar-sweetened beverages (SSB) and dental caries in U.S. children. Methods A cross-sectional…

View details →DOI: 10.1111/cdoe.70000
Negative / Null Result ReportOpen accessMedicine

Replicability or revision? Further evidence on the psychometric quality of the German version of the epistemic trust, mistrust and credulity questionnaire.

Schwarzer NH, Behringer N, Dees P et al. · 2026 · BMC psychology

Background The Epistemic Trust, Mistrust, and Credulity Questionnaire (ETMCQ) assesses individual differences in epistemic stances. Although widely used, its German translation has not yet undergone an independent psychometric evaluation.…

View details →DOI: 10.1186/s40359-026-04810-0
Negative / Null Result ReportOpen accessMedicine

Alcohol cue-induced heart rate variability and drinking behavior: The role of impulsivity.

Taniajura N, Rincon C, Kennedy S et al. · 2026 · Addictive behaviors reports

Research has demonstrated that exposure to alcohol-related cues (e.g., sight or smell of a preferred beverage) elicits heightened self-reported craving and psychophysiological responses, including changes in heart rate (HR) and heart rate…

View details →DOI: 10.1016/j.abrep.2026.100687
Negative / Null Result ReportOpen accessMedicine

Exploring horses' (Equus caballus) gaze and asymmetric ear position in relation to human attentional cues.

Barrera G, Albiach-Serrano A, Guillén-Salazar F · 2024 · Animal cognition

Studies have shown that horses are sensitive to human attentional cues. Also, there is some evidence that they might be able to infer the knowledge state of a human and communicate intentionally with us. However, this ability is not fully…

View details →DOI: 10.1007/s10071-024-01909-y
Negative / Null Result ReportMedicine

'July effect' in management and outcomes of patients admitted with pulmonary embolism in the United States, 2016 to 2021.

Bansal M, Mehta A, Morris DL et al. · 2025 · Proceedings (Baylor University. Medical Center)

Background This study sought to assess the outcomes of pulmonary embolism (PE) admissions at teaching and nonteaching hospitals in the month of July, when new trainees begin their training in the United States. Methods During 2016-2021,…

View details →DOI: 10.1080/08998280.2025.2520125
Negative / Null Result ReportMedicine

Assessing the in vivo impact of novel β-lactamase inhibitors on the efficacy of their partner β-lactams against serine carbapenemase-producing Pseudomonas aeruginosa using human-simulated exposures.

Ruiz VH, Gill CM, Nicolau DP · 2024 · The Journal of antimicrobial chemotherapy

Objectives To evaluate the efficacy of human-simulated regimens (HSRs) of ceftazidime, ceftazidime/avibactam, imipenem, imipenem/relebactam, meropenem and meropenem/vaborbactam in a murine thigh infection model against serine…

View details →DOI: 10.1093/jac/dkad412
Negative / Null Result ReportOpen accessMedicine

Roles of administration route, expectation, and belief in placebos in a randomized controlled trial with open-label placebos.

Schaefer M, Liedtke C, Enge S · 2025 · Scientific reports

Recent reports challenge the view that placebos need to be given in deception. Numerous studies report remarkable effects when giving placebos honestly in an open way. However, the mechanisms of open-label placebos still remain to be…

View details →DOI: 10.1038/s41598-025-27622-5
Negative / Null Result ReportOpen accessMedicine

How different immersive environments affect intracortical brain computer interfaces.

Tortolani AF, Kunigk NG, Sobinov AR et al. · 2025 · Journal of neural engineering

Objective . As brain-computer interface (BCI) research advances, many new applications are being developed. Tasks can be performed in different virtual environments, and whether a BCI user can switch environments seamlessly will influence…

View details →DOI: 10.1088/1741-2552/adb078
Negative / Null Result ReportOpen accessMedicine

Longitudinal Changes in Sensory Processing and Clinical Outcomes During Spinal Cord and Dorsal Root Ganglion Stimulation to Treat Chronic Pain: A Pilot Study.

Rogers ER, Sankarasubramanian V, Kyi WHT et al. · 2025 · Journal of pain research

Purpose The analgesic mechanisms and neurophysiological effects of spinal cord stimulation (SCS) and dorsal root ganglion stimulation (DRGS) are poorly understood. In this pilot repeated-measures study, we used quantitative sensory testing…

View details →DOI: 10.2147/jpr.s519187
Negative / Null Result ReportOpen accessMedicine

Measuring differences in the ERG in myopia using the RETeval device with skin electrodes.

Stapley V, Anderson RS, Saunders K et al. · 2025 · Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)

Introduction Previous research suggests that the electroretinogram (ERG) is reduced and delayed in non-pathological myopia. However, the invasive nature of the electrode and cumbersome equipment required has prevented the widescale uptake…

View details →DOI: 10.1111/opo.13460
Negative / Null Result ReportOpen accessMedicine

Cleft Laterality Dental Arch Relationship Outcomes for Children with Unilateral Cleft Lip and Palate in New Zealand.

Fowler PV, Keall H, Kennedy D et al. · 2025 · The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association

ObjectivesTo investigate cleft laterality dental arch relationship outcomes of children with non-syndromic complete unilateral cleft lip and palate (UCLP) in New Zealand.DesignA retrospective nationwide study.SettingsVirtual 3D orthodontic…

View details →DOI: 10.1177/10556656241234599
Negative / Null Result ReportOpen accessMedicine

Pre-operative planning for reverse shoulder arthroplasty in low-resource centres: A modified Delphi study in South Africa.

Rachuene PA, Dey R, Kauta NJ et al. · 2024 · SICOT-J

Background Pre-operative planning for reverse shoulder arthroplasty (RSA) poses challenges, particularly when dealing with glenoid bone loss. This modified Delphi study aimed to assess expert consensus on RSA planning processes and…

View details →DOI: 10.1051/sicotj/2024021
Negative / Null Result ReportOpen accessMedicine

The Localization Accuracy of Electrically Evoked Dental Sensations.

Ashaibi NA, Mason AG, Hector MP et al. · 2025 · Clinical and experimental dental research

Objectives Dental pain of odontogenic origin can be difficult to accurately locate to a specific tooth. This study aimed to determine how effectively volunteers could locate electrical stimuli applied to teeth in both the anterior and…

View details →DOI: 10.1002/cre2.70012
Negative / Null Result Report

Bluetooth Noise-Canceling Headphones Improve the Quality of Ophthalmic Exam in Hearing-Loss Patients – A Randomized Controlled Trial

Glanzer BM, Ladki MS, Chea M et al. · 2023 · Preprint

This study tests the utilization of Bluetooth noise-canceling headphones in improving the quality of eye exams in patients with hearing loss. University of Texas Medical Branch patients above 55 years of age were screened for hearing loss…

View details →DOI: 10.20944/preprints202310.1157.v1
Negative / Null Result ReportOpen accessMedicine

The association between Nutrient-Rich food score (NRFS) and the odds of lung cancer risk: a case-control study in Iran.

Mohammadzadeh M, Abdi F, Hadi S et al. · 2026 · BMC nutrition

Background A high-quality diet is an important strategy for preventing chronic diseases, including cancer. The Nutrient Rich Food Score (NRFS) is a very useful index that can compare the value of key micronutrients and macronutrients per…

View details →DOI: 10.1186/s40795-026-01243-1
Negative / Null Result ReportOpen accessMedicine

Comparison of Pharmacokinetic/Pharmacodynamic Parameters and Clinical Outcomes of Vancomycin Administered in Two Different Dosage Regimens in Patients with Acute Kidney Injury.

Soufi R, Salamzadeh J, Alavi Darazam I et al. · 2025 · Iranian journal of pharmaceutical research : IJPR

Background Vancomycin is commonly used in intensive care units (ICUs), but its optimal dosage in patients with acute kidney injury (AKI) remains uncertain. This study aimed to evaluate vancomycin's pharmacokinetic and pharmacodynamic…

View details →DOI: 10.5812/ijpr-159089