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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.

20233 results in Negative / Null Result Report · page 307 of 675

Negative / Null Result ReportOpen accessMedicine

Dietary inflammatory index and objective disease activity in IBD: no association found.

de Oliveira RMV, Vasques ACJ, Romero SA et al. · 2026 · European journal of clinical nutrition

Background Inflammatory Bowel Disease (IBD) involves genetic and environmental factors, but the relationship between disease activity, adiposity, and diet remains unclear. Objective To investigate the association between…

View details →DOI: 10.1038/s41430-026-01713-6
Negative / Null Result Report

When and why moral exemplars fail to motivate intergroup reconciliation

Péter SZ, Witkowska M-, Szekeres H · 2022 · Preprint

In societies with collective memories of their group’s historical victimization, the modes of conflict resolution conventionally proposed in social psychology may be ineffective. The present study aimed to examine the effectiveness of…

View details →DOI: 10.31234/osf.io/h37ae
Negative / Null Result ReportOpen accessMedicine

Lack of effect of cyclic adenosine monophosphate modulation during prematuration in vitro on development to the blastocyst stage and expression of specific genes associated with lineage commitment.

Desenzi R, Cuellar CJ, Hoorn QA et al. · 2025 · JDS communications

Pharmacological elevation of cyclic AMP (cAMP) of cultured cumulus-oocyte complexes (COC) before or coincident with initiation of maturation has been reported to improve outcomes for various systems for in vitro production of embryos. Here…

View details →DOI: 10.3168/jdsc.2024-0625
Negative / Null Result ReportMedicine

First evidence for the existence of Simkania negevensis in the genitalia of human females.

Abu-Saif RA, Al-Basha AS, Al-Younes HM · 2023 · Enfermedades infecciosas y microbiologia clinica (English ed.)

Introduction Simkania negevensis has been linked to some respiratory and non-respiratory diseases. However, there is still a serious lack of clinical investigations that attempt to determine possible body sites that could be inhabited by…

View details →DOI: 10.1016/j.eimce.2022.11.015
Negative / Null Result ReportOpen accessMedicine

Circulating microRNA-219 in stroke: Lack associations with clinical parameters and post-stroke epilepsy risk.

Fahimi Z, Kazemi M, Rahimi H et al. · 2025 · IBRO neuroscience reports

Background Post-stroke epilepsy (PSE) is a significant complication in stroke survivors, yet early diagnostic biomarkers remain unclear. This study investigated whether circulating microRNA-219 (miR-219) could serve as a reliable biomarker…

View details →DOI: 10.1016/j.ibneur.2025.11.013
Negative / Null Result ReportOpen accessMedicine

Assessing the Impact of PCSK9 and HMGCR Inhibition on Liver Function: Drug-Target Mendelian Randomization Analyses in Four Ancestries.

Rosoff DB, Bell AS, Wagner J et al. · 2024 · Cellular and molecular gastroenterology and hepatology

Background & aims Observational studies have linked lipid-lowering drug targets pro-protein convertase subtilisin/kexin 9 (PCSK9) and HMG-CoA reductase (HMGCR) with adverse liver outcomes; however, liver disease incidence varies across…

View details →DOI: 10.1016/j.jcmgh.2023.09.001
Negative / Null Result ReportOpen accessMedicine

Establishing validity and measurement invariance of the Claremont Purpose Scale among adolescents from diverse racial-ethnic backgrounds.

Xie H, Ratner K, Estevez M et al. · 2026 · Journal of research on adolescence : the official journal of the Society for Research on Adolescence

The Claremont Purpose Scale (CPS) was designed to assess youth purpose, but the English version has not yet undergone rigorous psychometric evaluation among adolescents. Prior validation efforts have also mostly relied on white-majority…

View details →DOI: 10.1111/jora.70215
Negative / Null Result ReportMedicine

Yield of Sleep Deprivation EEG in Suspected Epilepsy. A Retrospective Study.

Guerrero-Aranda A, Enríquez-Zaragoza A, López-Jiménez K et al. · 2024 · Clinical EEG and neuroscience

Background. Sleep is an activation procedure and is considered the most potent and best-documented modulator of seizures and interictal epileptiform discharges (IEDs) on electroencephalogram (EEG). The precise role of sleep deprivation in…

View details →DOI: 10.1177/15500594221142397
Negative / Null Result ReportOpen accessMedicine

Relationship between serum CA125, prolactin and cortisol levels with disease stage and pain level in endometriosis patients.

Fasha TA, Rajuddin R, Dewi TP et al. · 2026 · Narra J

Endometriosis affects approximately 10% of women of reproductive age and is characterized by the presence of endometrial tissue outside the uterine cavity. Diagnostic delays are common due to nonspecific symptoms and the absence of…

View details →DOI: 10.52225/narra.v6i1.2988
Negative / Null Result ReportOpen accessMedicine

Assessing the causal association between celiac disease and Alzheimer disease and frontotemporal dementia: A bidirectional Mendelian randomization approach.

Liu Y, Zhang H · 2025 · Medicine

This study aimed to investigate the bidirectional causal relationship between celiac disease (CD) and the risk of Alzheimer disease (AD) or frontotemporal dementia (FTD) using Mendelian randomization (MR), in order to clarify prior…

View details →DOI: 10.1097/md.0000000000045059
Negative / Null Result Report

Neural tracking of speech does not unequivocally reflect intelligibility

Kösem A, Dai B, McQueen JM et al. · 2022 · Preprint

During listening, brain activity tracks the rhythmic structures of speech signals. Here, we directly dissociated the contribution of neural tracking in the processing of speech acoustic cues from that related to linguistic processing. We…

View details →DOI: 10.1101/2022.07.25.501422
Negative / Null Result ReportMedicine

Comparisons of extinction, counterconditioning, and novelty-facilitated extinction within ABA vs. ABC renewal designs.

Jozefowiez J, Huff AG, Petruzzo L et al. · 2026 · Journal of experimental psychology. Animal learning and cognition

The expression of an association between a conditioned stimulus (CS) and an aversive unconditioned stimulus (US) can be weakened by presenting the CS by itself (extinction [Ext]), pairing it with an appetitive US (counterconditioning…

View details →DOI: 10.1037/xan0000430
Negative / Null Result ReportOpen accessMedicine

The impact of meteorological conditions on the occurrence of low back pain in a retrospective registry based population study.

Ochal M, Lewczuk KG, Dragańska E et al. · 2026 · Scientific reports

Low back pain (LBP) is one of the most prevalent musculoskeletal complaints and a leading cause of disability worldwide. Although patients frequently attribute symptom exacerbation to adverse weather, the scientific evidence for a direct…

View details →DOI: 10.1038/s41598-026-40669-2
Negative / Null Result ReportMedicine

Perioperative N-acetylcysteine: evidence and indications.

Wilson PR, Bridges KH, Scofield M et al. · 2024 · Pain management

Nonopioid analgesics serve to improve analgesia and limit side effects and risks of perioperative opioids. N-acetylcysteine (NAC), the primary treatment of acetaminophen toxicity, may have perioperative indications, including analgesia.…

View details →DOI: 10.1080/17581869.2024.2388504
Negative / Null Result ReportMedicine

Has stopping stopped making sense? Disentangling the processes elicited by complex action cancellation paradigms.

Weber S, Kemp SA, Hinder MR · 2026 · Cognitive, affective & behavioral neuroscience

Action cancellation represents a fundamental aspect of human motor control. Nonetheless, the behavioural paradigms used to study it are methodologically diverse and capture an incompletely understood combination of processes. Advancing…

View details →DOI: 10.3758/s13415-026-01440-2
Negative / Null Result ReportMedicine

The Role of Corticosteroids in the Management of Orbital Cellulitis: A Report by the American Academy of Ophthalmology.

Wladis EJ, Aakalu VK, Dagi Glass LR et al. · 2026 · Ophthalmology

Objective To review the literature on the benefits and risks of systemic corticosteroids in the setting of orbital cellulitis. Methods A literature search was last performed in the PubMed database in August 2025. Articles were limited to…

View details →DOI: 10.1016/j.ophtha.2026.03.015
Negative / Null Result ReportMedicine

Do MRI radiomic models truly generalize? External validation of three studies in parotid lesion characterization.

Benyoucef R, Goubet M, Barrat A et al. · 2026 · European radiology

Objectives External validation of six radiomic models published in three studies: two distinguishing benign from malignant lesions (study 1) and four distinguishing pleomorphic adenomas from Warthin's tumors (studies 2 and 3). Materials…

View details →DOI: 10.1007/s00330-026-12512-9