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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.

21707 results · page 254 of 724

Negative / Null Result ReportOpen accessMedicine

Biological vs Synthetic Mesh in Laparoendoscopic Inguinal Hernia Repair: The BIOLAP Randomized Clinical Trial.

Seefeldt CS, Knievel J, Deeb M et al. · 2025 · JAMA surgery

Importance Chronic postoperative pain and recurrence are relevant complications after inguinal hernia repair. Biological meshes have been proposed as a resorbable alternative to synthetic implants that may reduce postoperative pain.…

View details →DOI: 10.1001/jamasurg.2025.4071
Negative / Null Result ReportMedicine

Impact of a Urogynecology Telehealth Consultation on Genital Self-Image and Sexual Function After Obstetric Anal Sphincter Injury.

Bonasia K, Luong S, Stairs J et al. · 2026 · International urogynecology journal

Introduction and hypothesis Obstetric anal sphincter injuries (OASIs) are associated with increased risk of postpartum complications, including short- and long-term dyspareunia and sexual dysfunction. The primary aim of this analysis is to…

View details →DOI: 10.1007/s00192-025-06234-7
Negative / Null Result ReportMedicine

Analysis of the use of prophylactic ureteral stents in preventing iatrogenic ureteral injury during radical hysterectomy for cervical Cancer.

Wang Y, Jia Z, Jiao J et al. · 2025 · Gynecologic oncology

Objective To assess the use of prophylactic ureteral stent for preventing ureteral injury in patients with cervical cancer undergoing radical hysterectomy. Methods This retrospective study included 304 patients with cervical cancer who…

View details →DOI: 10.1016/j.ygyno.2025.07.022
Negative / Null Result ReportOpen accessMedicine

Effect of Extended Dual Antiplatelet Therapy on the Prognosis of Patients With ST Segment Elevation Myocardial Infarction Undergoing Percutaneous Coronary Intervention: A Retrospective Cohort Study.

Li YC, Wang JY, Lei MJ et al. · 2026 · Health science reports

Background and aims To inquire the effect of extending the duration of dual antiplatelet therapy (DAPT) to 18-24 months on the prognosis of patients with ST segment elevation myocardial infarction (STEMI) undergoing percutaneous coronary…

View details →DOI: 10.1002/hsr2.71887
Negative / Null Result ReportOpen accessMedicine

Safety evaluation of a ketamine-dodecyl maltoside combination using angiogenesis and embryonic development models.

Idoudi S, Hassan AF, Kheraldine H et al. · 2026 · Scientific reports

Ketamine (KET) exhibits potential anticancer activity, with enhanced cytotoxicity against melanoma cells when combined with the permeation enhancer dodecyl maltoside (DDM). To support clinical translation, this study evaluated the…

View details →DOI: 10.1038/s41598-026-46828-9
Negative / Null Result ReportMedicine

Enhancing Removable Partial Denture Hygiene: Investigating Mucolytic Agents and Biocides for Disrupting Biofilms and Improving Antimicrobial Efficacy.

Moraes LGDS, Oliveira VC, Macedo AP et al. · 2025 · The International journal of prosthodontics

Purpose To evaluate the antibiofilm action of 2.5 mg/mL peracetic acid (PA), 0.5 mg/mL cetylpyridinium chloride (CPC), and 160 mg/mL N-acetylcysteine (NAC) against multispecies biofilm of Streptococcus mutans, Staphylococcus aureus,…

View details →DOI: 10.11607/ijp.9133
Negative / Null Result Report

Contribution of Bedside Ultrasound (POCUS) on acute heart failure management in hospitalized geriatric patients: a prospective study

saboul H, Lesage V, Beernaert L et al. · 2025 · Preprint

Abstract Methods: A prospective randomized trial was conducted from October 26, 2022, to September 15, 2023, involving 101 patients randomized into two groups: the interventional group received POCUS (pulmonary and inferior vena cava…

View details →DOI: 10.21203/rs.3.rs-6371377/v1
Negative / Null Result Report

Clinical Evaluation of PolyDeep, a Computer Aided Detection system: A Multicenter Randomized Tandem Colonoscopy Trial

Davila-Piñón P, Díez Martín AI, Nogueira-Rodríguez A et al. · 2025 · Preprint

Background: /Objectives: Computer-aided detection (CADe) systems are increasingly used in endoscopy to enhance lesion recognition. PolyDeep is a CADe/x tool previously assessed in an observational study. The aim of our study is to…

View details →DOI: 10.20944/preprints202509.1104.v1
Negative / Null Result ReportOpen accessMedicine

Effect of virtual reality distraction on anxiety, pain and discomfort during unsedated gastroscopy: Randomized controlled trial.

Bouman Z, De Vries F, De Ruiter M et al. · 2026 · Endoscopy international open

Background and study aims Esophagogastroduodenoscopy is a widely used medical examination. Despite the short duration of this procedure, many patients experience anxiety, pain, and discomfort. The aim of this study was to examine effects…

View details →DOI: 10.1055/a-2794-0424
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 : official journal of the International Society on Toxinology

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…

View details →DOI: 10.1016/j.toxicon.2025.108543
Negative / Null Result Report

Poly-Social Risk for Hypertension Among Black and Latina Women

Belak L, James K, Auguste L et al. · 2026 · Preprint

ABSTRACT Background Hypertension is a leading modifiable cardiovascular risk factor prominently influenced by health-related social needs (HRSN). Whether detailed information on HRSN can improve identification of hypertension among…

View details →DOI: 10.64898/2026.06.12.26355558
Negative / Null Result ReportMedicine

Assessing the Comparative Ability of Early Postoperative T4-L1PA Mismatch versus L1PA or T4PA Alone for Predicting Mechanical Complications or Spinal Reoperations: A Retrospective Analysis.

Baumann AN, Chatzis K, Son E et al. · 2026 · Spine

Study design Retrospective single-center study. Objective We aim to compare the prognostic capacity of postoperative T4-L1PA mismatch versus T4PA and L1PA alone. Summary of background data The assessment of T4-L1PA mismatch, the difference…

View details →DOI: 10.1097/brs.0000000000005752
Negative / Null Result ReportMedicine

Optimizing a Multimodal Large Language Model for Ultrasound-Based Thyroid Nodule Malignancy Classification: A Comparative Study of Few-Shot Learning, Prompt Engineering, and Fine-Tuning.

Li YH, Cheng YC, Chang CY et al. · 2026 · Diagnostics (Basel, Switzerland)

Objectives: Multimodal large language models (MLLMs) have shown potential for medical image classification. We evaluated four optimization strategies in two MLLMs-GPT-4o (gpt-4o-2024-08-06) and Gemini 2.5 Flash-Lite-for ultrasound-based…

View details →DOI: 10.3390/diagnostics16121931
Negative / Null Result Report

Early apelin receptor activation attenuates elastase-induced emphysema and preserves endothelial apelin receptor signaling in mice

Kishimoto T, Nakashima R, Kawano K et al. · 2026 · Preprint

Alveolar capillary endothelial cells are positioned adjacent to the alveolar epithelium and contribute to lung homeostasis and injury responses. Single-cell studies have identified aerocyte capillary endothelial cells (aCap), which are…

View details →DOI: 10.64898/2026.05.12.724387
Negative / Null Result ReportMedicine

Effects of high- versus moderate-intensity multimodal whole-body training to improve inspiratory muscle function in persons with chronic nonspecific low back pain.

Klaps S, Verbrugghe J, Goossens N et al. · 2026 · BMC sports science, medicine & rehabilitation

Background To compare the effects of a multimodal whole-body high-intensity training (HIT) program versus a moderate-intensity training (MIT) program on inspiratory muscle function in persons with chronic nonspecific low back pain…

View details →DOI: 10.1186/s13102-026-01773-y
Negative / Null Result ReportMedicine

Long-term prognostic impact of optical coherence tomography detected plaque rupture in nonculprit coronary segments.

Biccirè FG, Arbustini E, Ozaki Y et al. · 2026 · Atherosclerosis

Background and aims Atherosclerotic plaque rupture is largely acknowledged as the main mechanism of acute coronary syndrome. However, the prognostic significance of plaque rupture detected in nonculprit coronary sites remains largely…

View details →DOI: 10.1016/j.atherosclerosis.2026.120681
Negative / Null Result ReportMedicine

Effects of quercetin supplementation in aging mice on oocyte number, in vitro fertilization and embryo development outcomes.

Wisetmongkolchai T, Somboonchai P, Piromlertamorn W et al. · 2026 · JBRA assisted reproduction

Objective To investigate the effects of quercetin supplementation in aging mice on the oocyte number and in vitro fertilization outcomes. Methods Thirty-two to forty-week-old aging female mice were randomly assigned into two groups, with…

View details →DOI: 10.5935/1518-0557.20260024
Negative / Null Result ReportMedicine

Safety, tolerability, and efficacy of acetazolamide in idiopathic normal pressure hydrocephalus (DRAIN) in Sweden: a randomised, double-blind, placebo-controlled, phase 2 trial.

Virhammar J, Fasth O, Ekblom M et al. · 2026 · The Lancet. Neurology

Background Idiopathic normal pressure hydrocephalus is a potentially reversible cause of gait disturbance, cognitive impairment, and urinary incontinence, typically in adults aged 60 years or older. Ventriculoperitoneal shunt surgery…

View details →DOI: 10.1016/s1474-4422(26)00126-2
Negative / Null Result ReportMedicine

Validity of digital manual and automated 2D structural superimposition on the anterior cranial base.

Vasileiou D, Tsironi K, Konstantonis D et al. · 2026 · European journal of orthodontics

Objectives To evaluate the validity of digital manual and automated structural superimposition on the anterior cranial base using Björk's two-dimensional (2D) cephalometric method. Secondary aims included assessing repeatability and…

View details →DOI: 10.1093/ejo/cjag008
Negative / Null Result ReportMedicine

A Randomized, Double-Blind, Pilot Study of N-Acetylcysteine for Motor and Cognitive Symptoms in Youth With Neurofibromatosis Type 1.

Gilbert DL, Aschbacher-Smith LE, Migneault KY et al. · 2026 · Pediatric neurology

Background Children and youth with neurofibromatosis type 1 (NF1) commonly experience motor, behavioral, and cognitive problems. Promising findings from an NF1 mouse model suggested that the antioxidant N-acetylcysteine (NAC) might address…

View details →DOI: 10.1016/j.pediatrneurol.2026.04.024
Negative / Null Result ReportMedicine

Offloading reduces prospective memory learning.

Fellers C, Storm BC · 2026 · Journal of experimental psychology. Learning, memory, and cognition

Across two experiments, we investigated the effects of cognitive offloading on prospective memory (PM). Participants performed two PM tasks, either relying on internal memory for both (Dual PM condition) or using an external reminder for…

View details →DOI: 10.1037/xlm0001630
Negative / Null Result ReportMedicine

Automated perfusion imaging did not improve reliability of ASPECTS or collateral score in late-window large vessel occlusion stroke.

Benomar A, Fahed R, Omar AT et al. · 2026 · Journal of neurointerventional surgery

Background The Alberta Stroke Program Early CT Score (ASPECTS) and CT angiography (CTA) Collateral Score (CS) are routinely used to estimate ischemic core burden and collateral status in acute ischemic stroke due to large vessel occlusion,…

View details →DOI: 10.1136/jnis-2026-025321
Negative / Null Result ReportMedicine

Process development to overcome drug substance agglomeration and restore dissolution performance.

Singhal M, Nidadavole K, Murphy DS et al. · 2026 · Journal of pharmaceutical sciences

Dissolution testing is performed to understand the rate and extent of drug release for assurance of in vivo bioavailability. In this case study, an immediate-release tablet of an investigational BCS Class II compound exhibited slow and…

View details →DOI: 10.1016/j.xphs.2026.104368
Negative / Null Result Report

Continuous mechanical cooling attenuates short-term thermophysiological adaptation in office environments: A randomized parallel-group intervention

Kobas B, Koth SC, Reitmayer A et al. · 2026 · Preprint

Abstract Continuous mechanical cooling is commonly used to maintain thermal comfort in office environments; however, its influence on human thermophysiological adaptation under sedentary conditions remains poorly understood. This study…

View details →DOI: 10.21203/rs.3.rs-9747541/v1
Negative / Null Result ReportMedicine

Comparison of Safe Laser 1800 Infra and Standard Treatment for Chronic Non-Healing Wounds.

Tamás S, György H, András M et al. · 2026 · The international journal of lower extremity wounds

IntroductionThe treatment of chronic non-healing wounds represents a great challenge in healthcare, especially in rehabilitation medicine, as it contributes significantly to increased patient mortality and morbidity. Various types of laser…

View details →DOI: 10.1177/15347346261461464