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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.

19885 results in Negative / Null Result Report · page 530 of 663

Negative / Null Result ReportMedicine

Maladaptive Trained Immunity Drives Persistent IL-6 Production and Enhanced TLR Responsiveness in Monocyte-Derived Macrophages from People Living with HIV.

Dubrovsky L, Pushkarsky T, Brichacek B et al. · 2026 · Microorganisms

Trained immunity (TRIM) enhances innate immune responses through epigenetic and metabolic reprogramming but may become maladaptive, contributing to chronic inflammation. In people living with HIV (PLWH), maladaptive TRIM has been proposed…

View details →DOI: 10.3390/microorganisms14020355
Negative / Null Result ReportMedicine

Combined Propofol and Dexmedetomidine Is Associated with Lower Mortality but Not Delirium After Cardiovascular Surgery: A Retrospective Cohort Study Using an Administrative Claims Database.

Tamoto M, Kai S, Yoshida H et al. · 2026 · Journal of cardiothoracic and vascular anesthesia

Objectives To compare the real-world effectiveness of combined propofol and dexmedetomidine (PRODEX) sedation with propofol monotherapy on survival and postoperative delirium (POD) in a large nationwide cohort of patients undergoing…

View details →DOI: 10.1053/j.jvca.2025.11.037
Negative / Null Result ReportMedicine

Feeding Tube Placement in Nutritionally At-risk Patients Undergoing Pancreaticoduodenectomy: A Propensity Score-matched Analysis.

Khun Jush B, Biswas MAAJ, Lim HJJ et al. · 2026 · Pancreas

Background Routine feeding tube (FT) placement during pancreaticoduodenectomy (PD) has not reduced complication rates. Nonetheless, FTs are often selectively placed in patients with poor nutritional status such as those with significant…

View details →DOI: 10.1097/mpa.0000000000002593
Negative / Null Result Report

Does Lowering Intraoperative Intraocular Pressure Reduce Surgical Invasiveness in Active-Fluidics Eight-Chop Phacoemulsification? A Fellow-Eye Comparative Study

Sato T · 2025 · Preprint

Background: Active-fluidics phacoemulsification can maintain anterior chamber stability at lower intraoperative intraocular pressure (IOP) levels. However, whether reducing IOP alone—without additional stabilizing technologies such as the…

View details →DOI: 10.20944/preprints202512.0678.v1
Negative / Null Result ReportMedicine

Reducing Household Tuberculosis Transmission: A Pilot Cluster-Randomized Controlled Trial.

Ruiz-Tagle C, Seguel R, Villarroel L et al. · 2026 · Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Background The duration of infectiousness following pulmonary tuberculosis treatment initiation remains uncertain. We aimed to assess whether a bundled intervention designed to decrease respiratory exposure was feasible and would reduce…

View details →DOI: 10.1093/cid/ciaf526
Negative / Null Result ReportMedicine

Impact of duration of dual anti-platelet therapy on risk of complications after stent-assisted coiling of unruptured aneurysms.

Ringer AJ, Hanel RA, Baig AA et al. · 2025 · Journal of neurointerventional surgery

Background The optimal duration for dual antiplatelet therapy (DAPT) after stent-assisted coiling (SAC) of intracranial aneurysms is unclear. Longer-term therapy may reduce thrombotic complications but increase the risk of bleeding…

View details →DOI: 10.1136/jnis-2024-021977
Negative / Null Result ReportMedicine

High-Exchange Ultrafiltration to Enhance Recovery After Pediatric Cardiac Surgery: The ULTRA Randomized Controlled Trial.

Bierer JD, Stanzel R, Henderson M et al. · 2026 · The Annals of thoracic surgery

Background Pediatric cardiac surgery with cardiopulmonary bypass (CPB) is associated with systemic inflammation. This trial aimed to determine whether continuous high-exchange ultrafiltration during CPB has a clinical immunomodulatory…

View details →DOI: 10.1016/j.athoracsur.2026.01.006
Negative / Null Result ReportMedicine

Collagen capsule and drug access do not explain ivermectin resistance of Trichinella spiralis muscle larvae.

Khueangchiangkhwang S, Oida Y, Taguchi A et al. · 2026 · Parasitology international

Trichinella is a nematode that causes chronic infection via its larvae in muscle cells and remains a global health concern. Drug sensitivity, including to ivermectin (IVM), differs between intestinal adult worms (AW) and muscle larvae…

View details →DOI: 10.1016/j.parint.2025.103227
Negative / Null Result ReportOpen accessMedicine

Music in complex endoscopy: Effect of functional music on sedation requirements during endoscopic ultrasound and ERCP.

Meves V, Chamieh A, Mohamed M et al. · 2026 · Endoscopy international open

Background and study aims Previous studies in esophagogastroduodenoscopy or colonoscopy have demonstrated positive effects of music on patient anxiety and comfort. This study prospectively evaluated the effect of functional music on…

View details →DOI: 10.1055/a-2840-7071
Negative / Null Result ReportMedicine

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 · European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society

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 may reduce pain, hospital length of…

View details →DOI: 10.1007/s00586-025-09640-z
Negative / Null Result ReportOpen accessMedicine

Experience over tools: does the use of magnifying loupes reduce the incidence of transient postoperative hypocalcemia after total thyroidectomy with central neck dissection? - a single-centre prospective randomized study.

Sielski W, Osęka T, Antolak A et al. · 2026 · Frontiers in endocrinology

Background Parathyroid preservation during total thyroidectomy with central neck dissection in papillary thyroid carcinoma remains challenging due to the glands' delicate vascular anatomy and risk of inadvertent devascularization or…

View details →DOI: 10.3389/fendo.2026.1811572
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