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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.

21266 results · page 230 of 709

Negative / Null Result ReportMedicine

Vitamin D lowers the number of intestinal tumours in adult intestine-specific Apc-mutant mice only during early tumour initiation in gestation and juvenility.

Rebel HG, de Gruijl FR · 2026 · Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology

We reported earlier that adult FabplCre;Apc 15lox/+ mice with either daily UV exposure or vitamin D supplementation developed not significantly fewer intestinal tumours but less tumour bulk (reduced outgrowth) than control mice that…

View details →DOI: 10.1007/s43630-026-00935-8
Negative / Null Result ReportMedicine

Effects of Ultrasound-Mediated Treatments on Dental Biofilm Attachment and Viability.

De Grandi D, LuTheryn G, Stoffels M et al. · 2026 · Ultrasound in medicine & biology

Objective Dental biofilms are responsible for the majority of oral cavity diseases (e.g., caries, periodontitis and gingivitis). In this work, we evaluate the effects of therapeutic ultrasound on a Streptococcus mutans biofilm model. The…

View details →DOI: 10.1016/j.ultrasmedbio.2026.05.008
Negative / Null Result ReportMedicine

Omega-3 Long-Chain Polyunsaturated Fatty Acid Supplementation Did Not Reduce Inflammation to Improve Iron Absorption in South African Women Living with Overweight or Obesity.

Uyoga MA, Baumgartner J, Malan L et al. · 2026 · The Journal of nutrition

Background Young South African women face a double-burden of overweight or obesity and iron deficiency, with the former predicting the latter. Omega-3 long-chain polyunsaturated fatty acid (LCPUFA) supplementation can reduce inflammation.…

View details →DOI: 10.1016/j.tjnut.2025.101280
Negative / Null Result ReportMedicine

Ultrasound-Guided Superficial Parasternal Intercostal Plane Block for Early Pain Management in Patients Undergoing Cardiac Surgery-A Randomized Controlled Trial.

Kalli AJ, Mäkelä P, Huhtala H et al. · 2026 · Acta anaesthesiologica Scandinavica

Background Sternotomy causes substantial postoperative pain. Recently, several less invasive nerve blocks have been described that are safer to use even on anticoagulated patients. This study aims to evaluate early pain management using…

View details →DOI: 10.1111/aas.70253
Negative / Null Result ReportMedicine

Thoracic duct ligation during esophagectomy fails to prevent chylothorax or improve survival: a propensity score matched cohort study.

Quan S, Xie H, Zhang D et al. · 2026 · Esophagus : official journal of the Japan Esophageal Society

Background Postoperative chylothorax is a serious complication following esophagectomy. The efficacy of thoracic duct ligation (TDL) for chylothorax prevention is controversial. This study aimed to evaluate the impact of TDL on chylothorax…

View details →DOI: 10.1007/s10388-026-01219-x
Negative / Null Result ReportMedicine

Clinical Outcomes of Anticoagulated vs Non-Anticoagulated Patients with Isolated Distal Deep Venous Thrombosis.

Wick B, Sahibzada O, Cherner A et al. · 2026 · Journal of vascular surgery. Venous and lymphatic disorders

Objective The optimal clinical management of isolated distal deep venous thrombosis (IDDVT) remains controversial as the benefits of routine anticoagulant therapy are not clearly defined amid the risk of bleeding events. Our study aimed to…

View details →DOI: 10.1016/j.jvsv.2026.102556
Negative / Null Result ReportMedicine

Antibiotic prophylaxis and risk of orbital cellulitis following orbital floor fracture: a real-world evidence study using the TriNetX network.

Khan S, Simmons KL, Khan S et al. · 2026 · Orbit (Amsterdam, Netherlands)

Purpose To determine whether prophylactic antibiotic administration following the development of an orbital floor fracture or after orbital floor fracture repair is associated with a reduced risk of orbital or periorbital cellulitis.…

View details →DOI: 10.1080/01676830.2026.2673568
Negative / Null Result Report

Innate immunity associates with protection from pneumococcal colonisation, but colonisation does not confer capsule-independent protection

Connor V, Mitsi E, Cheliotis KS et al. · 2026 · Preprint

Nasopharyngeal colonisation with Streptococcus pneumoniae is a prerequisite for transmission and disease and represents an important immunising event. While colonisation induces serotype-specific immunity, the mechanisms underlying…

View details →DOI: 10.64898/2026.06.23.26355871
Negative / Null Result ReportMedicine

Benefits and Harms of Immediate Versus Delayed Treatment of Cervical Intraepithelial Neoplasia Grade 2 : A Target Trial Emulation.

Cheung LC, Mao F, Rydzak G et al. · 2026 · Annals of internal medicine

Background Cervical intraepithelial neoplasia (CIN) grade 2 (CIN 2) is an equivocal diagnosis of cervical precancer, and appropriate management continues to be debated. Objective To estimate the effect of immediate (by 6 months) versus…

View details →DOI: 10.7326/annals-25-04053
Negative / Null Result ReportMedicine

HSP90 is involved in curcumin-mediated inhibition of tau aggregation.

Kam MK, Kim JW, Choi JY et al. · 2026 · Biochemical and biophysical research communications

Tau aggregation in neurons is a pathological hallmark of Alzheimer's disease (AD). The development of therapeutic drugs that inhibit tau aggregation in tauopathies, including AD, remains challenging. Herein, we developed a tau…

View details →DOI: 10.1016/j.bbrc.2026.154140
Negative / Null Result ReportMedicine

The Effect of Bariatric Surgery on Complication Risk Following Total Hip Arthroplasty in Patients with Morbid Obesity.

Lex JR, Ekhtiari S, Entezari B et al. · 2026 · The Journal of bone and joint surgery. American volume

Background Obesity is an independent risk factor for complications following total hip arthroplasty (THA). Preoperative bariatric surgery to facilitate weight loss has been used to reduce complication risk, but its effectiveness remains…

View details →DOI: 10.2106/jbjs.25.01658
Negative / Null Result ReportMedicine

Intraoperative PEEP Strategy and Postoperative Pulmonary Complications in Obese Patients: A Randomized Trial with Exploratory Analysis of Smoking Status.

Giaccari LG, Brunetti S, Coppolino F et al. · 2026 · Medical sciences (Basel, Switzerland)

Background : Obesity increases the risk of postoperative pulmonary complications (PPCs), and active smoking may further amplify this risk. Whether smoking status identifies a subgroup of obese surgical patients with differential PPC risk…

View details →DOI: 10.3390/medsci14020284
Negative / Null Result ReportMedicine

Repeated whole-body cryostimulation promotes a blood pressure reduction at rest in healthy adult men.

Jdidi H, de Bisschop C, Dugué B et al. · 2026 · European journal of applied physiology

Purpose Whole-body cryostimulation (WBC) has recently been shown to improve autonomic nervous control of the cardiovascular system. This study aimed to investigate the acute and repeated effects of WBC on baroreflex sensitivity (BRS),…

View details →DOI: 10.1007/s00421-026-06261-2
Failed Experiment ReportMedicine

Embryo developmental and morphokinetic patterns in the domestic cat (Felis catus): associations with maternal age and SRT1720 supplementation during oocyte in vitro maturation.

Meco M, Carreira RP, Ochota M et al. · 2026 · Theriogenology

This study describes embryo developmental progression and morphokinetic patterns in embryos derived from oocytes of young and aged domestic cats, a model for endangered felids, using a time-lapse monitoring system. Because maternal aging…

View details →DOI: 10.1016/j.theriogenology.2026.118026
Negative / Null Result ReportMedicine

Professionalism on camera: results of a telehealth etiquette pilot curriculum on health profession students' competency.

Pittmann R, Herring E, Pennington S et al. · 2026 · Frontiers in health services

Introduction Telehealth etiquette refers to professional behaviors that support effective virtual communication between patients and providers. While telehealth has become a lasting part of healthcare delivery, most health professions…

View details →DOI: 10.3389/frhs.2026.1840148
Negative / Null Result ReportMedicine

Is emotion regulation a mechanism of change in virtual reality-assisted therapy for auditory hallucinations? Secondary analyses of the CHALLENGE randomized clinical trial.

Glenthøj LB, Vernal DL, Mariegaard LS et al. · 2026 · Schizophrenia (Heidelberg, Germany)

Virtual reality (VR)-assisted avatar therapy has shown promising effects for reducing voice-related distress and overall severity of persistent auditory verbal hallucinations (AVH) in psychosis, yet the mechanisms underlying these…

View details →DOI: 10.1038/s41537-026-00779-2
Negative / Null Result ReportOpen accessMedicine

Fertility and mode of delivery after ileal pouch-anal anastomosis for ulcerative colitis: A population-based study.

Brar MS, Park JJ, de Buck van Overstraeten A · 2026 · Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland

Background and aims Fertility and mode of delivery are major concerns for women with ulcerative colitis (UC) undergoing ileal pouch-anal anastomosis (IPAA). Although infertility after IPAA has been attributed to pelvic adhesions, the…

View details →DOI: 10.1111/codi.70437
Negative / Null Result ReportMedicine

Race and Ethnicity, Hypertension, and Neuroimaging Markers of Brain Aging: A Causal Mediation Analysis in the HABS-HD Study.

Caunca M, Gutierrez S, Wheeler K et al. · 2026 · Neurology

Background and objectives The mechanisms underlying racial/ethnic differences in dementia incidence and pathology are multifactorial, and hypertension represents an actionable target for reducing these differences. We aimed to estimate the…

View details →DOI: 10.1212/wnl.0000000000218164
Negative / Null Result ReportMedicine

Evaluation of microleakage and remineralization potential of a fissure sealant containing microcapsules on artificial enamel lesions: with and without adhesive application.

Parlak Insel B, Guven Y, Sepet E et al. · 2026 · BMC oral health

Within the concept of minimal invasive dentistry, the progression of initial caries lesions can be inhibited with preventive measures. This study evaluated the microleakage and remineralization potential of a bioactive fissure sealant (FS)…

View details →DOI: 10.1186/s12903-026-08761-1