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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.

19850 results in Negative / Null Result Report · page 321 of 662

Negative / Null Result ReportMedicine

Lung Injury after Supraceliac Aortic Cross-Clamping: No Benefit from Unfractionated Heparin in Rats.

Palmier M, Ghorayeb G, Arhant G et al. · 2026 · Annals of vascular surgery

Background Supraceliac aortic cross-clamping can induce remote organ injury, particularly affecting the lungs through ischemia-reperfusion mechanisms. Pulmonary endothelial dysfunction plays a central role in acute lung injury, potentially…

View details →DOI: 10.1016/j.avsg.2026.01.011
Negative / Null Result ReportMedicine

Hyaluronidase activity of Indian ornamental tarantula (Poecilotheria regalis) venom is significantly reduced by commercial Latrodectus mactans and American scorpion antivenoms

García-García M, Mosqueda J, Escobar Cabrera JE et al. · 2025 · Toxicon

A recent clinical case involving a Poecilotheria regalis bite was treated with Mexican L. mactans antivenom (Aracmyn Plus, Silanes, Mexico), resulting in the improvement of some of the symptoms. This could be attributed to cross-reactivity…

Negative / Null Result ReportMedicine

Artificial intelligence reliability in implant dentistry: A comparative analysis of clinical accuracy and hallucination patterns across multiple language models.

Hooshiar MH · 2026 · The Journal of prosthetic dentistry

Statement of problem Artificial intelligence (AI) language models have been increasingly used for clinical decision-making in implant dentistry and for scholarly writing. Yet, their reliability, fabrication rates, and comparative…

View details →DOI: 10.1016/j.prosdent.2025.11.005
Negative / Null Result ReportMedicine

Reducing Artifact Preprocessing in Heart Rate Variability-Based Personalized Psychosis Prediction Using Adaptive Long Short-Term Memory Models.

Tsakmaki PV, Tasoulis S, Georgakopoulos SV et al. · 2025 · International journal of neural systems

This research looks at the use of long-short-term memory (LSTM) networks to predict psychosis, in patients within the schizophrenia spectrum, based on Heart Rate Variability (HRV) data acquired from wearable devices. Our primary objective…

View details →DOI: 10.1142/s0129065725500649
Negative / Null Result ReportMedicine

Optimized Autologous Serum and Activated Leukocyte-Poor Platelet-Rich Plasma Eye Drops Production Protocol: Effect of Fasting, Filtering, and Complement Inactivation on the Concentration of Growth Factors and Lipids.

Sanak F, Iselin K, Kaufmann C et al. · 2026 · Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics

Purpose To analyze the effect of fasting on volume, growth factor, and lipid concentration in eye drops derived from autologous serum (AS) and leukocyte-poor platelet-rich plasma (LP-PRP). To assess changes in protein and growth factor…

View details →DOI: 10.1177/10807683251370853
Negative / Null Result ReportMedicine

Reducing inappropriate vitamin D testing: an analysis of three sequential diagnostic stewardship interventions and the carbon footprint implications.

Hughes C, Myers MA, Tickell-Painter M et al. · 2026 · Clinical biochemistry

Introduction The climate crisis is a health crisis, and healthcare contributes to this via consumption of resources, the release of greenhouse gases, and the generation of waste. Pathology testing underpins most healthcare, and the vast…

View details →DOI: 10.1016/j.clinbiochem.2025.111060
Negative / Null Result ReportMedicine

West Nile Virus-Neutralizing Plasma for West Nile Virus Disease.

Regev-Yochay G, Barda N, Shusterman Y et al. · 2026 · NEJM evidence

Background In 2024, Israel faced a major West Nile virus (WNV) disease outbreak. We aimed to evaluate the efficacy and safety of WNV-neutralizing plasma for hospitalized patients with WNV disease. Methods We conducted a randomized,…

View details →DOI: 10.1056/evidoa2500169
Negative / Null Result ReportMedicine

Using Compression Stockings to Prevent Recurrence of Vasovagal Syncope: A Randomized Sham-Controlled Trial.

Tavolinejad H, Bozorgi A, Emkanjoo Z et al. · 2025 · Journal of the American College of Cardiology

Background Vasovagal syncope (VVS) is a common yet challenging condition with limited effective treatments. Elastic compression stockings (ECS) have been proposed as a potential therapy, but their real-world effectiveness remains unclear.…

View details →DOI: 10.1016/j.jacc.2025.05.049
Negative / Null Result ReportOpen accessMedicine

Risk factors for acute neurological complications in neonatal bacterial meningitis: a retrospective cohort study.

Zhang F, Yu Z, Pan J et al. · 2026 · Jornal de pediatria

Objective This study aimed to investigate the risk factors for acute neurological complications (ANCs) in neonates with bacterial meningitis (NBM). Methods This retrospective study analyzed 68 neonates (aged 0-28 days) with bacterial…

View details →DOI: 10.1016/j.jped.2026.101533
Negative / Null Result ReportMedicine

Effects of routine invasive management on reinfarction risk in older adults with frailty and non-ST-segment elevation myocardial infarction: a subanalysis of a randomised clinical trial.

Sanchis J, Bueno H, Martí Sánchez D et al. · 2025 · Heart (British Cardiac Society)

Background Clinical trials and meta-analyses indicate a reduced reinfarction risk with invasive management in older patients with non-ST-segment elevation myocardial infarction (NSTEMI). This study investigated whether similar benefits…

View details →DOI: 10.1136/heartjnl-2024-325254
Negative / Null Result Report

Heavy gravity combined with light gravity local anesthetic in subarachnoid anesthesia for cesarean section did not reduce the incidence of intraoperative hypotension in maternal women: a prospective cohort study

Qiao W, Liu L, Zhang X et al. · 2024 · Preprint

Abstract Background Subarachnoid anesthesia is the primary anesthetic method for elective cesarean section surgery, characterized by rapidly taking effect and reliable analgesia. However, subarachnoid anesthesia is prone to cause a high…

View details →DOI: 10.21203/rs.3.rs-5428405/v1
Negative / Null Result Report

Clinical impact of Enhanced Recovery After Spinal Surgery Protocols on One-Level Lumbar Arthrodesis: Results from a Single-Center Randomized Controlled Trial

Kashtiara A, Pauptit J, Thijs D et al. · 2025 · Preprint

Abstract BACKGROUND AND OBJECTIVES: Enhanced Recovery After Surgery (ERAS) protocols aim to improve surgical outcomes, by mitigating postoperative stress through multimodal perioperative care. In spinal surgery, such protocols—termed…

View details →DOI: 10.21203/rs.3.rs-7786792/v1
Negative / Null Result ReportOpen accessMedicine

Virtual Nursing for the Care of Hospitalized Patients.

Muir KJ, Maye A, McHugh MD et al. · 2025 · JAMA network open

Importance It is unknown if virtual nursing (VN) enhances care quality or improves the workload of bedside nurses in hospitals. Objective To describe what services VNs provide to patients and nurses in hospitals; to evaluate whether the…

View details →DOI: 10.1001/jamanetworkopen.2025.45597
Negative / Null Result ReportMedicine

Managing visceral leishmaniasis-associated hemophagocytic lymphohistiocytosis in pediatric patients: Clinical insights and treatment strategies.

Zhang J, Suo T, Cheng Y et al. · 2026 · Journal of investigative medicine : the official publication of the American Federation for Clinical Research

Hemophagocytic lymphohistiocytosis (HLH) secondary to visceral leishmaniasis (VL-HLH) is a severe and often fatal condition marked by systemic inflammation and immune dysfunction. In this retrospective cohort study at Shanxi Children's…

View details →DOI: 10.1177/10815589251390398
Negative / Null Result ReportMedicine

Extended use of point-of-care technology by acute community nurses during in-home assessment of older adults with potential acute respiratory conditions: a parallel-group, open-label, randomised controlled trial.

Smedemark SA, Jarbøl DE, Laursen CB et al. · 2026 · The lancet. Healthy longevity

Background Diagnosing acute respiratory conditions in adults older than 65 years is challenging due to age-related physiological changes, which increase diagnostic complexity and the risk of hospital admission. We investigated whether…

View details →DOI: 10.1016/j.lanhl.2026.100830
Negative / Null Result ReportOpen accessMedicine

C4/5 Facetectomy Is Associated With Improved Recovery of C5 Palsy in Severe Foraminal Stenosis After Posterior Cervical Decompression and Fusion.

Nakamura Y, Murata S, Yabe T et al. · 2026 · Cureus

Introduction C5 palsy is a disabling complication after posterior cervical decompression and fusion (PCDF). Whether C4/5 facetectomy reduces the incidence or improves the outcomes of C5 palsy remains uncertain. Therefore, this study aimed…

View details →DOI: 10.7759/cureus.109458
Negative / Null Result ReportMedicine

Effects of ILIB on anxiety and physiological parameters during third molar surgery: a pilot randomized trial.

Santos CMM, Mattos NM, Silva RAP et al. · 2025 · Lasers in medical science

This pilot study aimed to investigate the effects of intravascular laser irradiation of blood (ILIB) on anxiety levels and vital signs in patients undergoing third molar extraction. A randomized, placebo-controlled clinical trial was…

View details →DOI: 10.1007/s10103-025-04797-x
Negative / Null Result ReportMedicine

Timing of Preoperative Anti-VEGF for Vitrectomy in Proliferative Diabetic Retinopathy: A Competing-Risks Analysis of a Large Cohort.

Zhan J, Sun G, Li H et al. · 2026 · Ophthalmology. Retina

Objective To evaluate whether timing of preoperative anti-VEGF therapy given before vitrectomy for proliferative diabetic retinopathy (PDR) influences risks of postoperative vitreous hemorrhage (VH) and tractional retinal detachment (TRD).…

View details →DOI: 10.1016/j.oret.2025.12.019
Negative / Null Result ReportMedicine

Questioning routine antibiotic prophylaxis in sialendoscopy: a single-surgeon 164-case analysis.

Holland K, Gomeniouk O, Owen GS et al. · 2026 · European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery

Purpose Determine if there is a difference in post-operative infection rates in patients undergoing sialendoscopy who received pre-, post-operative, both pre and post, or no antibiotics. Methods Retrospective chart review of patients who…

View details →DOI: 10.1007/s00405-025-09854-3
Negative / Null Result ReportMedicine

The impact of muscle oxidative capacity on neuromuscular recovery after exercise-induced muscle damage.

Kipper CW, Kis P, Burleson KN et al. · 2026 · European journal of applied physiology

Objective Exercise-induced muscle damage (EIMD) compromises neuromuscular function and reduces exercise tolerance. Whether muscle oxidative capacity (MOC), an index of mitochondrial function, is reduced by EIMD or influences neuromuscular…

View details →DOI: 10.1007/s00421-025-06073-w
Negative / Null Result ReportMedicine

Gamma 3 vs Gamma 3 RC in Unstable Extracapsular Hip Fractures: A Prospective Randomized study.

Valle-Cruz JA, Lopiz Y, Garríguez-Pérez D et al. · 2026 · International orthopaedics

Purpose Rotational instability is a key factor in fixation failure of extracapsular hip fractures. The U-Blade (RC) lag screw was designed to improve rotational stability. This study aimed to compare mechanical complication rates between…

View details →DOI: 10.1007/s00264-025-06714-x
Negative / Null Result Report

Neonatal outcomes following a preconception lifestyle intervention in people at risk of gestational diabetes: secondary findings from the BEFORE THE BEGINNING randomised controlled trial

Sujan M, Skarstad H, Rosvold G et al. · 2025 · Preprint

Objectives Gestational diabetes mellitus (GDM), particularly when combined with overweight or obesity, is associated with adverse neonatal outcomes such as high birth weight and increased adiposity. We determined the effect of a…

View details →DOI: 10.1101/2025.10.01.25337073
Negative / Null Result ReportMedicine

Safety, Efficacy, and Immunogenicity of a Multivalent Adjuvanted S. aureus Vaccine in Adults with Recent Skin And Soft Tissue Infections: An Observer-blind, Randomized, Placebo-controlled, Multinational Phase 1/2 Trial.

Athan E, Greenberg RN, Baker DA et al. · 2026 · Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Background A vaccine that prevents Staphylococcus aureus skin and soft tissue infections (SA-SSTIs) would have a major impact on public health. Methods A two-part randomized study began with a phase 1, first-in-human, dose-escalation that…

View details →DOI: 10.1093/cid/ciag162
Negative / Null Result ReportMedicine

Prevention of premature birth: Impact of the Explicit Health Guarantee.

Carvajal-Encina F, Carvajal Rojas L · 2025 · Andes pediatrica : revista Chilena de pediatria

Prematurity is a challenge due to its high morbidity and mortality. The Explicit Health Guarantees (GES) for Premature Birth Prevention, implemented in 2005, have not been evaluated. Objective To evaluate the impact of the GES on perinatal…

View details →DOI: 10.32641/andespediatr.v96i5.5799
Negative / Null Result ReportMedicine

Fracture risk by post-cessation weight change in male patients with newly diagnosed type 2 diabetes mellitus.

Chung J, Park S, Park SJ et al. · 2026 · The American journal of medicine

Objective This study aimed to evaluate the conflicting effects of weight change and smoking cessation on fracture risk in male patients with newly diagnosed type 2 diabetes mellitus (T2DM). Methods Using the National Health Insurance…

View details →DOI: 10.1016/j.amjmed.2025.12.014
Negative / Null Result ReportMedicine

Effects of imeglimin on mitochondrial functions and ischemic brain damage in young and aging rats.

Paskeviciene E, Skemiene K, Pampuscenko K et al. · 2025 · Journal of pharmacological sciences

Imeglimin, a novel oral antidiabetic drug, has been suggested to affect mitochondrial functions in some types of cells and tissues, however, it has never been investigated whether aging has an impact on its pharmacological effects in the…

View details →DOI: 10.1016/j.jphs.2025.10.001
Negative / Null Result ReportOpen accessMedicine

Effect of Erector Spinae Plane Block Applied to Painful Herpes Zoster Patients Who Failed to Respond to Pregabalin Treatment on Immunological Marker Levels and Postherpetic Neuralgia Incidence Rate.

Büyükbezirci G, Demiralp N, Keles S et al. · 2026 · Journal of pain research

Purpose Postherpetic neuralgia (PHN) is one of the most debilitating complications of herpes zoster and represents a major cause of chronic neuropathic pain. Increasing evidence suggests that immune dysregulation plays a critical role in…

View details →DOI: 10.2147/jpr.s611477