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Browse the failure-mode index

12,375 real negative results, null findings, and replication failures in Medicine. 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 ReportMedicine

Effect of alirocumab on postprandial hyperlipidaemia in patients with type 2 diabetes: A randomized, double-blind, placebo-controlled, cross-over trial.

Cariou B, Thys A, Oliveira AR et al. · 2025 · Diabetes, obesity & metabolism

Aims Postprandial hyperlipidaemia (PPL), characterized by elevated triglyceride (TG) concentrations after a meal, is common in type 2 diabetes (T2D) and is often recognized as an independent cardiovascular risk factor. Here, we aimed to…

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Negative / Null Result ReportMedicine

Impact of an electronic clinical decision support algorithm (eCDSA) on antibiotic prescribing in primary care in Cambodia: A cluster randomised controlled trial.

Wynberg E, Mishra A, Liverani M et al. · 2026 · International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Objectives Poorly targeted antibiotic use in primary care is a driver of antimicrobial resistance. Electronic clinical decision support algorithms (eCDSAs) integrating point-of-care tests may improve prescribing. We evaluated the impact of…

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Negative / Null Result ReportMedicine

Proactive versus standard support of labor in the latent phase - A randomized, controlled clinical trial.

Larsen M, Underdal M, Salvesen Ø et al. · 2025 · Sexual & reproductive healthcare : official journal of the Swedish Association of Midwives

Objective Long latent phase of labor with subsequent prolonged total labor duration increases the risk of obstetric interventions and complications. We explored whether Proactive Support of Labor (PSL) compared to Standard Support of Labor…

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Negative / Null Result ReportOpen accessMedicine

Impact of Pre-Elite Anterior Cruciate Ligament (ACL) Reconstruction on Draft Outcomes and Reinjury Risk in Elite Australian Football Players: A Retrospective Cohort Study.

Veale JP, Shawdon A, D'Alessandro P et al. · 2025 · Sports (Basel, Switzerland)

A history of anterior cruciate ligament reconstruction (ACLR) during the Australian Football (AF) talent pathway may impact draft prospects and increase the risk of a second injury during a professional career. This study investigated…

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Negative / Null Result ReportOpen accessMedicine

Magnesium supplementation did not reduce serum calciprotein crystallization and arterial stiffness in individuals with type 2 diabetes: a randomized, double-blind, placebo-controlled trial.

Meer R, Xu JY, Newsom SP et al. · 2026 · The American journal of clinical nutrition

Background Medial arterial calcification (MAC) and increased arterial stiffness contribute to cardiovascular disease risk in type 2 diabetes mellitus (T2DM). Experimental studies suggest that magnesium supplementation may halt arterial…

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Negative / Null Result ReportOpen accessMedicine

Effectiveness of a virtual hospital model of care for patients with low back pain presenting to emergency departments (Back@Home).

Sigera C, Oliveira CB, Melman A et al. · 2026 · NPJ digital medicine

This study evaluated the effectiveness of a virtual hospital model of care (Back@Home) for low back pain (LBP). We conducted an observational study across four hospitals in the Sydney Local Health District, Australia. We included patients…

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Negative / Null Result ReportMedicine

Does Reiki Therapy ReducePreoperative Anxiety and Postoperative Pain in Third Molar Surgery? A Randomized Controlled Trial.

Ozden Yuce M, Simsek B, Dadas OF et al. · 2026 · Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons

Background Preoperative anxiety in patients undergoing third molar extraction can influence pain perception. Limited evidence suggests Reiki therapy may help manage anxiety and pain, but its effectiveness in dentistry is unclear. Purpose…

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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…

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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…

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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,…

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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…

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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…

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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…

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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…

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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…

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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…

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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…

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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…

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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…

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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,…

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