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Browse the failure-mode index

21,720 real negative results, null findings, and replication failures. 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 ReportOpen accessMedicine

Deep Learning-Based Dental Caries Diagnosis on Panoramic Radiographies: Performance of YOLOv8 Versus Human Observers.

Biçengil K, Kurt A, Naralan ME et al. · 2026 · Diagnostics (Basel, Switzerland)

Objectives : To evaluate the diagnostic performance of a YOLOv8x-based deep learning model for detecting approximal, occlusal and buccal caries on paediatric panoramic radiographs and to compare its performance with human observers with…

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Methods Dead-EndOpen accessMedicine

Whole exome sequencing and single-cell DNA sequencing for assessment of clonal heterogeneity and evolution in acute myeloid leukemia.

Adhikari S, Eldfors S, Pitkänen E et al. · 2025 · Computational and structural biotechnology journal

Background Acute myeloid leukemia (AML) progresses by the accumulation of somatic mutations and clonal expansion of pre-leukemic cells. Patients may respond to initial therapy, but often relapse, underscoring an evolving disease. Next…

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Negative / Null Result ReportOpen accessMedicine

HuR Knockdown in MLO-Y4 Osteocyte-like Cells Elevates OPG Expression and Suppresses Osteoclastogenesis In Vitro.

Fan Z, Kitaura H, Marahleh A et al. · 2025 · International journal of molecular sciences

Bone remodeling is maintained through the coordinated actions of osteoblasts, osteoclasts, and osteocytes, among which osteocytes serve as major regulators of osteoclast-mediated bone resorption through the receptor activator of the…

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Negative / Null Result ReportOpen accessMedicine

Issues with Cefiderocol Testing: Comparing Commercial Methods to Broth Microdilution in Iron-Depleted Medium-Analyses of the Performances, ATU, and Trailing Effect According to EUCAST Initial and Revised Interpretation Criteria.

Stracquadanio S, Nicolosi A, Marino A et al. · 2024 · Diagnostics (Basel, Switzerland)

Background The rise of multi-drug-resistant Gram-negative bacteria necessitates the development of new antimicrobial agents. Cefiderocol shows promising activity by exploiting bacterial iron transport systems to penetrate the outer…

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Negative / Null Result ReportOpen accessMedicine

Evaluation of a point-of-care rapid HIV antibody test with insights into acute HIV symptomatology in a population with low prevalence.

Bui TI, Farnsworth CW, Anderson NW · 2024 · Journal of clinical microbiology

Many emergency departments (ED) use rapid human immunodeficiency virus (HIV) antibody tests as screening tools, despite limited sensitivity for detecting acute HIV infections. In a 4-year retrospective analysis of 1,192 patients, we…

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Negative / Null Result ReportOpen accessMedicine

Prognostic Impact of Different Definitions of White-Coat Hypertension.

Verdecchia P, Coiro S, Bartolini C et al. · 2025 · American journal of hypertension

Background Different definitions of white-coat hypertension (WCH) may explain its variable outcome across studies. Methods In an Italian study started in 1986, we followed 3,153 people with (office blood pressure (BP) >=140/90 mmHg) and…

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Negative / Null Result ReportMedicine

Age differences in the moderating effects of neighbourhood disadvantage on the relationship between physical activity and cognitive function: A longitudinal analysis of the Canadian Longitudinal Study on Aging.

Falck RS, Cosco TD, Wister AV et al. · 2024 · Maturitas

Objectives To explore whether the association between physical activity (PA) and cognition is moderated by neighbourhood disadvantage, and whether this relationship varies with age. Study design A longitudinal analysis of the Canadian…

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Negative / Null Result ReportMedicine

Effectiveness of eDNA for monitoring riverine macroinvertebrates.

Poyntz-Wright IP, Harrison XA, Pedersen S et al. · 2024 · The Science of the total environment

Environmental DNA (eDNA) is a technique increasingly used for monitoring organisms in the natural environment including riverine macroinvertebrates. However, the effectiveness of eDNA for monitoring riverine macroinvertebrates compared…

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Negative / Null Result ReportMedicine

Evaluating direct amplification from viral transport medium for SARS-CoV-2 detection, strain typing, and angiotensin-converting enzyme genotyping and expression assays.

Schilter KF, Kapoor S, Smith BA et al. · 2024 · Laboratory medicine

Objective The aim of this study was to compare the performance of direct amplification of viral nucleic acid from transport medium to extracted nucleic acid for polymerase chain reaction (PCR), sequencing, and genotyping applications.…

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Failed Experiment ReportOpen accessMedicine

Case Report: A case of occult insulinoma localized by [<sup>18</sup>F] FB (ePEG12)12-exendin-4 positron emission tomography with negative findings of selective arterial calcium stimulation test.

Sakaki K, Murakami T, Fujimoto H et al. · 2025 · Frontiers in endocrinology

Background Insulinomas, the most common functional pancreatic neuroendocrine tumors, cause hypoglycemia due to excessive insulin production, leading to severe clinical symptoms like coma or death. Resection surgery is the major curative…

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Failed Experiment ReportOpen accessMedicine

Sub-microscopic schistosomiasis and soil-transmitted helminths in school children: molecular diagnostic evidence and implications for disease elimination.

Mac PA, Anderson KD, Dakul DA · 2026 · Scientific reports

Schistosomiasis and soil-transmitted helminthiasis elimination programmes depend heavily on microscopic diagnostics, yet these methods may fail to detect low-intensity infections that sustain transmission. Molecular techniques could reveal…

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Negative / Null Result ReportMedicine

Neurophysiological investigations in a case of primary paroxysmal hemicrania-tic syndrome.

Maestrini I, Viganò A, Di Stefano G et al. · 2024 · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology

Background The association between paroxysmal hemicrania (PH) and trigeminal neuralgia-the so-called PH-tic syndrome-has rarely been described. However, a correct diagnosis is crucial since both disorders require specific treatments.…

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Negative / Null Result ReportMedicine

Cell Free Microbial DNA Utilization at a Children's Hospital.

Craver R, Collier S, Anderson M · 2024 · Fetal and pediatric pathology

Background: We investigated the utilization of cell free microbial DNA (cfDNA) at a Children's Hospital. Materials and Methods: cfDNA results were assessed regarding the contribution to therapeutic decisions. Results: Of 80 tests on 59…

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Negative / Null Result ReportMedicine

Biomarker analysis from patients with metastatic PDAC treated with TGFβ antibody, NIS793, plus abraxane+gemcitabine vs. abraxane+gemcitabine alone in a phase II, open label, randomized study.

Pelletier M, Yang J, Joshi M et al. · 2026 · Clinical cancer research : an official journal of the American Association for Cancer Research

Background Transforming Growth Factor Beta (TGFβ) plays a dual role in cancer, acting as a tumor suppressor early in disease but promoting progression and immune evasion when dysregulated. In pancreatic ductal adenocarcinoma (PDAC),…

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Negative / Null Result ReportMedicine

Dietary starch level determines the efficacy of calcium salts of palm fatty acids on nitrogen use efficiency and performance in feedlot lambs.

De S Ferreira JM, Rodrigues HP, Alba HDR et al. · 2026 · Animal : an international journal of animal bioscience

High-concentrate diets supplemented with rumen-protected fats are widely used in feedlot lamb systems to improve energy supply and performance; however, the metabolic efficacy of these lipid sources may depend on the availability of…

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Negative / Null Result ReportMedicine

Erratum.

· 2025 · Nephron

In the article "Immunosuppressant Agents as Add-On Therapy Failed to Improve the Outcome of Immunoglobulin A Nephropathy with Crescent Score C1" [Nephron. 2024;148:587-600; https://doi.org/10.1159/000534788] by Bi et al., the funding grant…

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