11,416 real negative results, null findings, and replication failures in Medicine · Negative / Null Result Report. 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.
Bello RJ, Palleiko BA, Kennedy K et al. · 2024 · Surgical oncology
Background Pain management following mastectomy is a significant challenge often requiring opioids. Nonopioid pain management utilizing nerve blocks has been shown in other fields to reduce postoperative opioid use and may be effective for…
View details →Pan L, Kaku Y, Tolentino JE et al. · 2025 · Frontiers in microbiology
In the 21st century, three severe human coronavirus infections have occurred. One of them is the Middle East respiratory syndrome coronavirus (MERS-CoV), a merbecovirus belonging to the family Coronaviridae , is a human pathogenic…
View details →Khan M, Yousaf H, Naqqash M et al. · 2025 · Cureus
Introduction There is limited local data comparing the outcomes of core decompression and fibular strut grafting in early-stage avascular necrosis (AVN) of the hip. International findings may not be directly applicable due to…
View details →Yaşar NF, Badak B, Salış M et al. · 2024 · Revista da Associacao Medica Brasileira (1992)
Objective Endogenous melatonin is produced from tryptophan which is an essential amino acid. Besides its role in the regulation of sleep patterns, melatonin has anti-inflammatory effects. In this case-control study, we aimed to compare…
View details →Beaulieu A, Saint-Georges C, Hagbarth I et al. · 2026 · Scientific reports
General movements (GMs) refer to infants’ spontaneous motor activities before the emergence of voluntary motor activity. Abnormal GMs in neonates have been regarded as a marker of poor neurodevelopmental outcomes, with preliminary findings…
View details →Iljazi A, Sørensen MS, Winther-Jensen M et al. · 2024 · Acta orthopaedica
Background and purpose Dislocation is a severe complication following total hip arthroplasty (THA). Hip precautions have been recommended in the initial postoperative period but evidence supporting this practice is limited. We therefore…
View details →Klüwer B, Gleditsch R, Rydland KM et al. · 2024 · Vaccine
Aims To explore public confidence in influenza vaccination through the use of attitudinal indicators, and study whether educational attainment is related to attitudes towards influenza vaccination. Methods Confidence in influenza…
View details →Jang S, Gwak HS, Joo J et al. · 2024 · Acta neurochirurgica
Purpose This study aimed to evaluate the symptomatic response and side effects of ventriculolumbar perfusion (VLP) methotrexate chemotherapy with a low perfusion rate in patients with leptomeningeal metastasis. Methods Patients in a…
View details →Mauz JB, Rieland H, Berliner D et al. · 2024 · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association
Background & aims Considerate patient selection is vital to ensure the best possible outcomes after transjugular intrahepatic portosystemic shunt (TIPS) insertion. However, data regarding the impact of intrapulmonary vascular dilatations…
View details →Seaman RW Jr, Shariatzadeh N, Salinas KA et al. · 2026 · Drug and alcohol dependence
Background Stimulant-opioid co-use has surged in the United States, with methamphetamine use among people who use opioids increasing 82.6 % from 2015 to 2017. This trend contributes to rising overdose deaths, marking a "fourth wave" of the…
View details →Lilley A, Chiapponi C, Prosperi A et al. · 2026 · Vaccines
Background/Objectives : Influenza A viruses cause seasonal epidemics of respiratory infections in humans, the severity of which can be mitigated by influenza vaccine use. Influenza A viruses circulating in pigs continue to pose a pandemic…
View details →Ng MK, Mastrokostas PG, Rodriguez AN et al. · 2025 · Journal of craniovertebral junction & spine
Context Semaglutide, a glucagon-like protein-1 receptor agonist used in diabetes and obesity management, has demonstrated perioperative benefits in other surgical populations. However, its role in spine surgery remains unclear. Aims This…
View details →Pilas LB, Gur O, Berger G · 2023 · The Israel Medical Association journal : IMAJ
Background In the past decade, numerous new imaging and laboratory tests have been implemented that significantly contribute to improved medical diagnostic capabilities. However, inappropriate utilization, which occurs on a large scale,…
View details →Jones CMP, Lin CC, Zadro J et al. · 2024 · Brazilian journal of physical therapy
Background The Brief Pain Inventory-Interference Subscale (BPI-IS) is a subscale of the BPI assessment tool developed to rapidly assess the impact of a person's pain on their function. It is uncertain whether it has one or two factors, and…
View details →Risi M, Greco G, Masciocchi S et al. · 2024 · Journal of neurology
Background Live cell-based assay (LCBA) is the gold standard for MOG-IgG detection, and fixed CBA (FCBA) is a widely used commercial alternative. Recent criteria attributed a diagnostic value to MOG-IgG titration with both LCBA and FCBA,…
View details →Ilmakunnas I, Sten-Gahmberg S · 2026 · Journal of aging & social policy
Flexible partial retirement schemes are intended to give individuals the opportunity to reduce working hours before moving into full retirement, the expectation being that the reduced workload will contribute to postponed old-age…
View details →Soufi R, Salamzadeh J, Alavi Darazam I et al. · 2025 · Iranian journal of pharmaceutical research : IJPR
Background Vancomycin is commonly used in intensive care units (ICUs), but its optimal dosage in patients with acute kidney injury (AKI) remains uncertain. This study aimed to evaluate vancomycin's pharmacokinetic and pharmacodynamic…
View details →Ullal SD, Thomas AG, Acharya SD et al. · 2026 · Pharmacology research & perspectives
Epilepsy is a common neurologic disorder; its incidence in childhood is 2.5 per 1000 children. Levetiracetam (LEV) is an antiepileptic drug with a broad spectrum of action used in localized and generalized epilepsies in both adults and…
View details →Hawkey AB, Fan R, Nwachukwu K et al. · 2025 · Neurotoxicology and teratology
Neurotoxic risks in the environment come from many toxicants, which are often found together in complex mixtures. However, nearly all experimental studies evaluate one chemical at a time. Neurobehavioral effects of developmental exposure…
View details →Jacover A, Beller T, Mahamid N et al. · 2025 · Annals of surgical oncology
Introduction Neoadjuvant therapy (NT) is generally preferred over upfront surgery for borderline resectable pancreatic ductal adenocarcinoma (BR-PDAC), but many patients fail to reach surgical resection. This study evaluates real-world…
View details →Tanisaka Y, Ryozawa S, Mizuide M et al. · 2025 · Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society
Endoscopic sphincterotomy (EST) is challenging for patients with surgically altered anatomy (SAA). The blades of conventional sphincterotomes designed for SAA do not always face the correct direction of EST. We aimed to evaluate the…
View details →Sandby K, Magkos F, Chabanova E et al. · 2024 · Clinical nutrition (Edinburgh, Scotland)
Background & aims In recent years, epidemiological studies have reported links between the consumption of fermented dairy products, such as yogurt, and health; however, evidence from human intervention trials is scarce and inconsistent. We…
View details →Buck AN, Fleiner T, Rosskothen-Kuhl N et al. · 2026 · Trends in hearing
It is widely known that users of cochlear implants (CIs) often show deficits in binaural hearing. In particular, interaural time difference (ITD) discrimination tends to be substantially worse in CI users. However, only very few studies…
View details →Chen Y, Gao J, Wang X et al. · 2024 · Frontiers in nutrition
Background Evidence from observational studies on the association between folate and metabolic dysfunction-associated steatotic liver disease (MASLD) is conflicting. Aims This study aimed to investigate the association between serum folate…
View details →Castillo L, Berrozpe-Villabona C, Miserachs-García S et al. · 2024 · Acta ophthalmologica
Purpose The role of the choroid in Leber hereditary optic neuropathy (LHON) remains unclear. The literature is scarce, with conflicting results and lacks axial length measurements. Therefore, we aimed to analyse the choriocapillaris (CC)…
View details →Ding L, Reiher M · 2026 · Journal of chemical theory and computation
Neural quantum states (NQS) are a promising ansatz for solving many-body quantum problems due to their inherent expressiveness. Yet this expressiveness can only be harnessed efficiently for treating identical particles if the suitable…
View details →Bloch RJ, Traficante M, Mariot V et al. · 2025 · Neuromuscular disorders : NMD
Facioscapulohumeral muscular dystrophy is a progressive muscle disorder that is likely linked to aberrant DUX4 expression. Losmapimod, a p38 kinase inhibitor, was utilized to suppress DUX4 and its downstream effects. Phase I/II clinical…
View details →Garg AX · 2026 · Annals of internal medicine
Clinical impact ratings GIM/FP/GP: [Formula: see text] Critical Care: [Formula: see text] Nephrology: [Formula: see text].
View details →Dodd TS, Borzak S · 2026 · Annals of internal medicine
Clinical impact ratings GIM/FP/GP: [Formula: see text] Cardiology: [Formula: see text] Hematology: [Formula: see text].
View details →Jain S, Jha AK, Chawla D et al. · 2026 · Indian journal of pediatrics
OBJECTIVES: To determine the effect of prone positioning on the duration of respiratory support in neonates receiving non-invasive mode of ventilation. METHODS: This open label randomized controlled trial was conducted in the NICU of a…
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