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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.

21720 results · page 386 of 724

Negative / Null Result ReportMedicine

Help Received and Functional Decline in Older Adults: A Longitudinal Analysis of (I)ADL Difficulties Across Europe, the US, and China.

Hofbauer LM, Rodriguez FS · 2026 · Journal of applied gerontology : the official journal of the Southern Gerontological Society

PurposeThis study examined whether different types of help received influence subsequent levels of functional ability in older adults.MethodsLongitudinal data were drawn from the US Health and Retirement Study (HRS), the Survey of Health,…

View details →DOI: 10.1177/07334648261416580
Negative / Null Result ReportMedicine

The effect of nasal patency and anatomy during asymmetrical nasal high flow.

Rees M, Vieira F, Yarragudi SB et al. · 2026 · Journal of applied physiology (Bethesda, Md. : 1985)

Nasal high flow (NHF) with the asymmetrical cannula interface (AI) is increasingly used as respiratory support across a broad range of patients. By incorporating one unilaterally oversized prong, the AI enhances dead-space clearance and…

View details →DOI: 10.1152/japplphysiol.00068.2026
Negative / Null Result ReportMedicine

Vasomotor Function and Its Modulation by Perivascular Adipose Tissue Vary Depending on Metabolic Syndrome Stage.

Kagota S, Maruyama-Fumoto K, Niki A et al. · 2026 · Metabolic syndrome and related disorders

Background Perivascular adipose tissue (PVAT), found outside blood vessels, enhances vasorelaxation when endothelium-mediated vasorelaxation fails, as observed in the mesenteric arteries of rats with metabolic syndrome (MetS) and…

View details →DOI: 10.1177/15578518261431679
Negative / Null Result ReportMedicine

Real-world diagnostic performance of the macimorelin stimulation test in the diagnosis of adult growth hormone deficiency.

Yadav P, Hamrahian AH, Salvatori R · 2026 · Pituitary

PURPOSE: Macimorelin, a ghrelin receptor agonist, is used for diagnosing adult GH deficiency (AGHD). The FDA-approved GH cut-off is 2.8 ng/mL, whereas post-hoc analyses proposed a cut-off of 5.1 ng/mL. The real-world performance of these…

View details →DOI: 10.1007/s11102-026-01654-0
Negative / Null Result ReportMedicine

Mechanistic insights into the modification of peanut protein by novel radio frequency roasting: Revealing multi-scale protein conformational changes

Peng Z, Xu C, Zhang Y et al. · 2026 · Innovative Food Science and Emerging Technologies.

Radio frequency (RF) heating, as a promising alternative roasting method, could effectively improve peanut oil quality and degrade aflatoxins. However, during the peanut oil processing, the modification effect and mechanism on protein by…

Negative / Null Result ReportOpen accessMedicine

Alpha-cell glucagon is essential for maintaining β-cell function and identity in adult mice.

Prasadan K, Saleh M, Thomas M et al. · 2026 · The Journal of biological chemistry

Several studies have analyzed the effect of glucagon on β-cells and glucose homeostasis, either by ablating α-cells or by globally deleting the glucagon/glucagon receptor gene. To investigate possible interactions between α-cells and…

View details →DOI: 10.1016/j.jbc.2026.113145
Negative / Null Result ReportMedicine

IV Thrombolysis Facilitates Interventional Reperfusion in Non-Cardioembolic but Not Cardioembolic Stroke.

Sedghi A, Kaiser DPO, Arndt M et al. · 2026 · Annals of clinical and translational neurology

Objective Intravenous thrombolysis (IVT) before thrombectomy for ischemic stroke may alter clot structure and procedural performance. We investigated how IVT relates to thrombectomy metrics across stroke etiologies. Methods We performed a…

View details →DOI: 10.1002/acn3.70370
Negative / Null Result ReportMedicine

The effect of citalopram treatment on memory performance, mood state, catalase, BDNF, and MDA in REM sleep-deprived rats.

Elham Mahdavi, Ghorbani Yekta B, Fereshteh Atabi · 2026 · Cellular and molecular biology (Noisy-le-Grand, France)

Rapid-eye movement (REM) sleep is a critical stage of sleep that plays a pivotal role in memory formation, consolidation, and mood regulation. While REM sleep deprivation (REM SD) has been shown to impair cognitive and affective functions,…

View details →DOI: 10.14715/cmb/2025.72.2.7
Negative / Null Result ReportMedicine

Expectations and tolerance of transcranial magnetic stimulation in patients with functional neurological disorder.

Azzopardi S, Garcin B, Mesrati F et al. · 2026 · Neurophysiologie clinique = Clinical neurophysiology

Background and objective In patients with functional neurological disorder (FND), transcranial magnetic stimulation (TMS) can be used for either diagnostic or therapeutic purpose. This study aimed to determine patients' expectations and…

View details →DOI: 10.1016/j.neucli.2026.103158
Negative / Null Result ReportMedicine

Incorrect physical fitness feedback reduces positive thinking in non-anxious people after moderate exercise.

Rodriguez AK, Taylor TL, Fawver B et al. · 2026 · Psychology of sport and exercise

Individuals experiencing anxiety exhibit attentional biases towards unpleasant stimuli. Exercise is an anxiolytic intervention, evidenced by changes in attentional bias following physical activity. Many individuals experience 'anxiety…

View details →DOI: 10.1016/j.psychsport.2026.103125
Negative / Null Result ReportOpen accessMedicine

The effect of SIRT1 knockdown on the gene expression of CoQ10 biosynthetic enzymes.

Okuizumi R, Maruyama S, Okamoto M et al. · 2026 · Journal of clinical biochemistry and nutrition

Coenzyme Q10 is a lipid-soluble antioxidant essential for the mitochondrial electron transport chain. Its concentration in the body decreases with age. The biosynthesis of coenzyme Q10 involves enzymes coq1 (PDSS1, PDSS2) through coq9,…

View details →DOI: 10.3164/jcbn.24-239
Negative / Null Result ReportMedicine

Complications of spinal fusion: comparing Medicare transforming episode accountability (TEAM) hospitals to control hospitals.

Martin BI, Mirza SK, Ko H et al. · 2026 · The spine journal : official journal of the North American Spine Society

Background context Medicare's Transforming Episode Accountability Model (TEAM) holds hospitals accountable for 30-day postoperative complications across 18 categories of spinal fusion bundles, yet baseline differences in complication rates…

View details →DOI: 10.1016/j.spinee.2026.03.009
Negative / Null Result ReportMedicine

Regenerating islet derived Family Member 4 (REG4) does not influence parameters of hemostasis in colorectal cancer.

Anijs RJS, Nguyen YN, Yanovska M et al. · 2025 · Thrombosis research

Background Colorectal cancer (CRC) patients are at increased risk of developing venous thromboembolism (VTE), leading to high morbidity and mortality. The exact mechanism remains unknown, which complicates risk prediction and treatment.…

View details →DOI: 10.1016/j.thromres.2025.109535
Negative / Null Result ReportMedicine

Root-secreted nicotinic acid ameliorates Mn toxicity in sugarcane

Yang S, Qin M, Wei J et al. · 2026 · Industrial Crops & Products.

Nicotinic acid (NIA) is known to function in heavy metal detoxification; however, the regulation and physiological significance of its endogenous secretion in metal tolerance remain unclear. In this study, NIA was identified as a…

Negative / Null Result ReportMedicine

Investigating activity-dependence of exogenous proctolin's ability to modulate muscle contraction in <i>Drosophila</i>.

Jung J, Lutz KL, Dreager-Tougas KC et al. · 2025 · Journal of neurophysiology

Proctolin, an arthropod neuropeptide, is present in synaptic terminals innervating body wall muscles of Drosophila larvae. It acts as a cotransmitter with the excitatory neurotransmitter, l-glutamate (Glu). Previous work showed that…

View details →DOI: 10.1152/jn.00549.2024
Negative / Null Result ReportMedicine

Effects of Short-Duration Cycling After Resistance Exercise on Aortic Stiffness and Next-Day Recovery in Strength-Trained Men.

Vondrasek JD, Brown JE, Grosicki GJ et al. · 2026 · Journal of strength and conditioning research

Abstract Vondrasek, JD, Brown, JE, Grosicki, GJ, and Flatt, AA. Effects of short-duration cycling after resistance exercise on aortic stiffness and next-day recovery in strength-trained men. J Strength Cond Res 40(5): 536-544, 2026-We…

View details →DOI: 10.1519/jsc.0000000000005363
Negative / Null Result ReportMedicine

Association Between Venlafaxine Exposure And Treatment Outcomes In Older Adults With Depression: Association entre l'exposition à la venlafaxine et les résultats du traitement chez les personnes âgées atteintes de dépression.

Men X, Taylor ZL, Marshe VS et al. · 2026 · Canadian journal of psychiatry. Revue canadienne de psychiatrie

BackgroundVenlafaxine is commonly prescribed for older adults with depression, yet the relationship between venlafaxine-related exposure and treatment outcomes remains unclear. We aimed to assess the association of exposure to venlafaxine,…

View details →DOI: 10.1177/07067437261451057
Negative / Null Result ReportMedicine

Patient reported outcomes after cheilectomy versus cheilectomy and Moberg osteotomy.

Littmann J, Steiner N, Cabrejo-Jones K et al. · 2026 · The Journal of foot and ankle surgery : official publication of the American College of Foot and Ankle Surgeons

Background A Moberg osteotomy is a dorsal closing wedge osteotomy of the base of the first proximal phalanx that is thought to augment the effect of cheilectomy by increasing dorsiflexion and ultimately improve patient outcomes in Hallux…

View details →DOI: 10.1053/j.jfas.2025.11.019
Negative / Null Result ReportOpen accessMedicine

Fe(II) with Tris(1-pyrazolyl)methane Complex Increases Thermal Stability In Vitro and Activity In Vivo of the Mutant 447R Form of Mouse Tryptophan Hydroxylase 2.

Terentieva EI, Komleva PD, Antonova SM et al. · 2026 · International journal of molecular sciences

Pharmacological chaperones (PCs)-small molecules that normalize the 3D structure of mutant protein molecules-are promising substances for pharmacological treatment of grave hereditary pathologies. In this study, possible chaperone-like…

View details →DOI: 10.3390/ijms27083411
Negative / Null Result ReportMedicine

Arsenosugar phosphate extracted from seaweed: Isolation, quantification, characterization, and in vitro toxicological studies.

Ghazali M, Sele V, Sahuquillo A et al. · 2026 · Journal of hazardous materials

The increasing interest in seaweed as a potential feed and food source has prompted concerns regarding the presence of potentially toxic arsenic (As) species. Seaweed is known to contain the organic As species arsenosugars, but the…

View details →DOI: 10.1016/j.jhazmat.2026.141972
Negative / Null Result ReportMedicine

Comparison of the proteolysis and occurrence of a range of β-casomorphin peptides in commercial U.S. Cheddar cheeses manufactured from A1/A2 and A2/A2 β-casein milks.

Daniloski D, Ibáñez RA, McCarthy NA et al. · 2026 · Journal of dairy science

Bovine β-casein (β-CN) is a major milk protein that exists as multiple genetic variants, distinguished by differences in their amino acid sequences. Among these, the A1 and A2 variants are the most extensively studied. They differ at…

View details →DOI: 10.3168/jds.2025-28235
Negative / Null Result ReportMedicine

The impact of protein fermentation on faecal consistency and intestinal permeability in pigs.

Noorman L, Bekebrede AF, de Vries S et al. · 2026 · Animal : an international journal of animal bioscience

In vitro and in situ experiments, primarily conducted using human cells, have demonstrated that metabolites produced during protein fermentation can negatively affect intestinal health. However, in vivo research on their impact on…

View details →DOI: 10.1016/j.animal.2026.101815
Negative / Null Result ReportMedicine

PARK7 (DJ-1) indicates favorable prognosis and correlates with estrogen-receptor status and N<sup>ε</sup>-carboxymethyl-lysine (CML) accumulation in breast cancer.

Nass N, Sprung S, Ignatov A et al. · 2026 · Cancer treatment and research communications

In cancer, aerobic glycolysis predominantly used to provide energy. This high glycolytic flow results in the formation of reactive aldehydes such as glyoxal and methylglyoxal forming advanced glycation end products (AGEs) by reacting with…

View details →DOI: 10.1016/j.ctarc.2026.101194
Negative / Null Result ReportMedicine

NBL1 associates with renal phenotypes in mice, but partial Nbl1 reduction does not ameliorate kidney disease.

Willey CN, Bufi R, Takemon Y et al. · 2026 · American journal of physiology. Renal physiology

Increased concentrations of neuroblastoma suppressor of tumorigenicity 1 (NBL1) in the blood have been associated with disease progression in diabetic kidney disease (DKD) and IgA nephropathy. However, it is unclear whether NBL1 is a…

View details →DOI: 10.1152/ajprenal.00465.2025
Negative / Null Result ReportMedicine

Comparative reliability of internal and vendor-derived computed tomography angiography (CTA) measurements in pretranscatheter aortic valve replacement (TAVR) assessment.

Claus L, Zhang X, Ocasio L et al. · 2026 · Clinical radiology

Aim Computed tomography angiography (CTA) is essential for preprocedural assessment in transcatheter aortic valve replacement (TAVR), particularly as TAVR becomes the preferred treatment for high-risk patients with severe aortic stenosis.…

View details →DOI: 10.1016/j.crad.2026.107312