11,417 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.
Hancock G, Batterby E, Dovers E et al. · 2026 · Emergency medicine Australasia : EMA
Background Point-of-care ultrasound (POCUS) is widely used in emergency departments (ED) and has potential value during cardiac arrest for identifying reversible causes (e.g., pericardial effusion, pneumothorax and pulmonary embolism) and…
View details →Sun Q, Miao Z, Bian L et al. · 2026 · Journal of chromatography. B, Analytical technologies in the biomedical and life sciences
Methionine oxidation in monoclonal antibodies (mAbs) could critically compromise drug stability and efficacy. This investigation comprehensively evaluated the structural and functional impacts of oxidation on a mAb An under long-term…
View details →Messanh KV, Muhie Ddine M, Ambrosini V et al. · 2026 · Journal of photochemistry and photobiology. B, Biology
Botrytis cinerea (B. cinerea) is a fungus with a high mutation rate and infects more than 200 plant species, causing significant yield losses. Therefore, new strategies to fight against this ubiquitous phytopathogen are highly sought…
View details →Palner M, Kolesnik E, Baun C et al. · 2026 · Neuropharmacology
Mammalian brain may contain an endogenous pool of the psychedelic substance N,N-dimethyltryptamine (DMT), which may act as a co-transmitter with serotonin (5-HT). We tested the joint hypotheses that endogenous DMT would accumulate in rat…
View details →Stub M, Ramhøj L, Axelstad M et al. · 2026 · Reproductive toxicology (Elmsford, N.Y.)
Perfluorooctane sulfonate (PFOS) and tetrabromobisphenol A (TBBPA) are environmental pollutants with known endocrine disrupting potential. Both substances display various thyroid hormone (TH) system disrupting effects, both in vitro and in…
View details →Panzenböck LF, Abdel Nour G, Dürrschnabel DL et al. · 2026 · Global spine journal
Study DesignRandomized controlled trial.ObjectivesTo characterize postoperative C-reactive protein (CRP) trajectories as predictors of surgical site infection (SSI) following lumbar spine surgery, to determine optimal CRP thresholds, and…
View details →Yardimci A, Ertugrul NU, Akkoc RF et al. · 2026 · Reproductive biology
Ozone (O₃) has been used to treat various diseases for many years, with most preclinical studies focusing on its effects in conditions such as testicular torsion and ischemia-reperfusion injury; however, its impact on male reproductive…
View details →Wang CI, Cho YC, Lin YP · 2025 · Environmental Technology & Innovation
Harmful asbestos-containing waste is generated during old building demolition. This study aims to develop a thermal-chemical treatment method to detoxify asbestos-containing waste and explore the potential use of detoxified…
View details →Kęska P, Zielińska D, Karbowiak M et al. · 2025 · Food Chemistry
The aim of this study was to evaluate the effectiveness of cell-free supernatants (CFS) produced by selected lactic acid bacteria (LAB) strains: Lacticaseibacillus paracasei B1 and Lactiplantibacillus plantarum O24 as antioxidant and…
View details →Patoglu OR, Horne RSC, Mann DL et al. · 2026 · European journal of pediatrics
A hallmark of Prader-Willi syndrome (PWS) is hypothalamic-pituitary axis dysfunction, which can result in reduced growth hormone (GH) production. While GH replacement therapy is common in children with PWS, it has also been implicated in…
View details →Eser M, Yazıcı C, Kandemir Ü et al. · 2026 · Research in veterinary science
Ivermectin (IVR) is a semi-synthetic macrocyclic lactone widely used against nematodes. Under physiological conditions, its central nervous system (CNS) penetration is limited by P-glycoprotein-mediated efflux at the blood-brain barrier…
View details →Farber C, Jackson C, Renteria K et al. · 2026 · Nutrition (Burbank, Los Angeles County, Calif.)
Background Exposure to a Western diet during gestation and lactation adversely impacts offspring mood, learning, and memory. We determined if high dose maternal methyl donor nutrient (MDN) supplementation ameliorated the effects of a high…
View details →Khaliji E, Marycz K, Horna M et al. · 2025 · American journal of veterinary research
Objective To evaluate IA autologous platelet-derived mitochondrial preparation versus vehicle control in a bilateral lipopolysaccharide (LPS)-induced model of equine synovitis. Methods 2 ng of LPS was injected into bilateral intercarpal…
View details →Quan F, Ma J, Zhao Y et al. · 2025 · Aquaculture international
This study investigated the effects of supplementing high soybean meal diets with alpha-ketoglutaric acid (AKG) on the intestinal health and growth performance of spotted sea bass (Lateolabrax maculatus). A total of 270 fish (average…
View details →Zoughaib WS, Fry MJ, Singhal A et al. · 2026 · Medicine and science in sports and exercise
Purpose Increasing nitric oxide bioavailability via nitrate (NO 3- ) ingestion enhances muscle contractility, which may be due to phosphorylation of the regulatory light chain of myosin. If so, there should be an interaction between NO 3-…
View details →Wackernagel D, Gavelli V, Nydert P · 2025 · Clinical nutrition ESPEN
Background & aims In preterm and sick newborn infants, peripherally inserted central catheters (PICC) are used for the delivery of concentrated parenteral nutrition and other high risk drugs. Despite the precaution issued by the ESPGHAN…
View details →Barbosa MG, Vos DY, Verzijl CRC et al. · 2026 · Cellular and molecular gastroenterology and hepatology
Background & aims Hepatocellular carcinoma is the third leading cause of cancer-related mortality worldwide. Therapeutic options for hepatocellular carcinoma remain limited, and the mechanisms underlying hepatocellular carcinoma are not…
View details →Wooliver R, Neupane A, DeBruyn JM et al. · 2026 · Journal of environmental quality
Microplastics derived from agricultural plastic films accumulate in soils, potentially impacting ecosystem functions such as soil organic carbon (SOC) storage. Microbial degradation of biodegradable plastics, which are intentionally tilled…
View details →Zhao X, Tian Q, Michelsen A et al. · 2025 · Applied Soil Ecology.
Roots and extraradical mycelium (EMM) influence the soil carbon (C) cycle, but it remains unclear how warming alters their effects on soil organic carbon (SOC) and its composition in alpine swamp meadows. A three-year ingrowth core…
View details →Bertrand-Ndoye M, Girard H, Hakim F et al. · 2026 · Forensic science international
In forensic thanatology, post-mortem blood is often stored for long periods, leading to in vitro variations in drug concentrations. This study evaluated the use of dried blood microsampling supports dried (Dried Blood Spot - DBS and…
View details →Fukunaga N, Takanishi T, Wakami T et al. · 2026 · Circulation reports
Background The impact of emergency surgery for acute type A aortic dissection (ATAAD) on renal function in patients with autosomal dominant polycystic kidney disease (ADPKD) remains unclear. Methods and results The renal function of 4…
View details →Li T, Jiang X, Tian X et al. · 2026 · The Journal of endocrinology
Postmenopausal osteoporosis, characterized by estrogen deficiency-induced bone loss and elevated fracture risk, is commonly managed with hormone replacement therapy (HRT). This study aimed to evaluate whether passive exercise via…
View details →Chen W, Zhang C, Guo W et al. · 2026 · Journal of experimental botany
Apple is an important economic species, but it suffers from biotic stress during its growth and development. Fungi and pests are two types of biotic stress that have significant destructive effects on apple. Members of the leucine-rich…
View details →Fischer J, Seguel JM, Drole K et al. · 2026 · BMC sports science, medicine & rehabilitation
Background This study investigated the comparative acute effects of 3 × 30 s of vibration foam rolling (VFR) or percussive massage (PM) on the hamstring muscles, specifically range of motion (ROM), maximum voluntary isometric contraction…
View details →Fujii N, Katagiri A, Nakagome K et al. · 2026 · Scandinavian journal of medicine & science in sports
Continuous monitoring of core temperature is crucial for optimizing exercise performance, promoting health, and ensuring safety. Here, we evaluated the validity of a machine learning-based earbud-type core temperature sensor during…
View details →Maksymowych WP, Weiss PF, Francavilla ML et al. · 2026 · Seminars in arthritis and rheumatism
Objective The OMERACT JAMRIS working group has defined a spectrum of MRI lesions in the sacroiliac joint (SIJ) in pediatric cases with spondyloarthritis (SpA) that match domains for inflammation and structural damage. We aimed to assess…
View details →Brandon AS, Murphy BS, Nam Y et al. · 2026 · The American journal of cardiology
Peripheral arterial disease (PAD) has many established risk factors, but social determinants of health (SDoH) are increasingly recognized as a cardiovascular disease risk factor. The multi-ethnic study of atherosclerosis (MESA) cohort was…
View details →Arnaoutis G, Vallas G, Toubekis AG et al. · 2026 · International journal of sport nutrition and exercise metabolism
Beetroot juice (BRJ) has been proposed as an ergogenic aid due to its high nitrate content, yet evidence from field-based studies in elite swimmers remains limited. This study investigated the acute effects of concentrated BRJ ingestion on…
View details →Ayaz SN, Kucuk M, Yanık Nalbantoğlu D et al. · 2025 · Odontology
We evaluated the effect of supplementary instrumentation on the removal of gutta-percha and compared the efficacy of three file systems with different metallurgical properties via micro-computed tomography (micro-CT). Forty-two moderately…
View details →Moghadam H, Sourinejad I, Kalbassi MR et al. · 2026 · Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology
Widely recognized for its translational relevance, the zebrafish (Danio rerio) is a validated model for evaluating antihyperglycemic agents. Nanocapsulation technologies have been proposed to enhance the bioefficacy of natural compounds…
View details →