20,261 real negative results, null findings, and replication failures · 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.
M Chudzik, M Babicki, J Kapusta et al. · 2023 · Europace
Abstract Funding Acknowledgements Type of funding sources: None. Cardiac arrhythmias and cardiac damage (CD) are more common in hospitalized patients with COVID-19. Many studies have shown that arrhythmias are an independent risk factor…
View details →Alison Knopf · 2020 · Alcoholism & Drug Abuse Weekly
Many parents are opposed to the idea of stimulant medication for their child's moderate to severe attention deficit hyperactivity disorder (ADHD), even though it is the first‐line recommended treatment. A recent study has found that…
View details →Dariusz Filip · 2025 · Central European Management Journal
Purpose The study aims to determine whether managers’ characteristics translate into their investment styles. Design/methodology/approach This study describes the characteristics of 287 fund managers and identifies the relevant parameters…
View details →Serrari M, Bianchi L, Tré-Hardy M et al. · 2026 · Microorganisms
Antenatal screening for Group B Streptococcus (GBS) does not always reflect intrapartum colonisation status, and rapid molecular point-of-care tests (POCT) have been developed to enable real-time detection during labour. This prospective…
View details →McCulloch H, Lohr PA · 2026 · Obstetrics and gynecology
Objective To assess the accuracy of using the last menstrual period (LMP) date for determining gestational age, compared with ultrasonography, among patients aged younger than 16 years at British Pregnancy Advisory Service (BPAS), a large…
View details →Özen A, Depoorter L, Huysentruyt K et al. · 2026 · Preprint
Background: /Objectives: Although cow’s milk allergy is the most common food allergy in infants, its diagnosis remains challenging. Conventional allergy tests, including skin prick testing and serum-specific IgE, can support the diagnosis…
View details →Yi J, Bi K, Shen M et al. · 2026 · Academic radiology
Objectives This study aimed to develop a post-procedural predictive model for assessing the risk of false-negative results in ultrasound-guided percutaneous transthoracic needle lung biopsy (US-PTLB). Material and methods Two prospective…
View details →Ma JY, Jiang W, Cheng B et al. · 2026 · Endoscopic ultrasound
Background and objectives Repeated EUS-guided fine-needle aspiration/biopsy (rEUS-FNA/B) is recommended in solid pancreatic lesions (SPLs) with inconclusive initial results. However, even rEUS-FNA/B cannot completely eliminate false…
View details →Tsai CT, Liang SY, Lai CH et al. · 2026 · Infection
Purpose Non-induced sputum galactomannan (GM) testing is increasingly used in routine evaluation of suspected invasive pulmonary aspergillosis (IPA), yet its real-world performance and the clinical implications of negative results remain…
View details →Anettová L, Jaume-Ramis S, Paredes-Esquivel C et al. · 2026 · Journal of helminthology
Pooling of gastropod samples is frequently used in surveys of the neurotropic nematode Angiostrongylus cantonensis to reduce cost and processing time. Here we highlight a potential limitation of this technique using the snail Theba pisana…
View details →Lienesch M, Sibbing U, Schürenkamp M et al. · 2026 · Preprint
Abstract Pre-ejaculate is a clear, sperm-free liquid secreted by the male bulbourethral glands. Pre-ejaculate is currently not a subject of routine forensic testing and consequently, often overlooked. The aim of this study was to…
View details →Majid GS, Abdulamir AS, Aufi IM · 2026 · Preprint
Background: The problem of transmissible human herpesvirus infections through blood donation has not been completely resolved by serological testing due to issues such as delayed in seroconversion or false-negative results. This study…
View details →Andronache J, Cichna-Markl M, Dobrovolny S et al. · 2026 · NPJ science of food
Food fraud through species substitution has been reported for edible gastropods, particularly in processed products where morphological identification is not feasible. DNA-based methods have been used to identify gastropod species in food…
View details →Kotian RN, Ajoy SM, Panduranga R et al. · 2026 · The bone & joint journal
Aims There are conflicting results in the literature regarding the safety of the peroneus longus tendon (PLT) as a potential graft for anterior cruciate ligament (ACL) reconstruction, and no long-term studies with objective assessment…
View details →Tankuş M, Memikoğlu TUT · 2026 · BMC oral health
Background This study aimed to investigate enamel surface changes after debonding of teeth with metal and ceramic brackets exhibiting varying severities of white spot lesions (WSLs). Methods Forty healthy premolars were divided into two…
View details →Chereji G, Chelaru VF, Nicoară SD · 2026 · Diagnostics (Basel, Switzerland)
Background/Objectives : Rhegmatogenous retinal detachment (RRD) is a surgical emergency that causes vision loss if not properly treated. Pars plana vitrectomy (PPV) is the preferred procedure for most complex RRD cases, with a high success…
View details →Wang Z, Zhang Y, Zhang K et al. · 2026 · Experimental and therapeutic medicine
Within the present study, the aim was to investigate the dynamic changes in iron metabolism parameters in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI) and to…
View details →Liu J, Liu M, Xu Y et al. · 2026 · Clinics (Sao Paulo, Brazil)
Background BOS172722, a selective TTK inhibitor, shows promise for Breast Cancer (BC) treatment. The role of gut microbiota as a potential mediator in this process has not been established. This Mendelian Randomization (MR) study…
View details →Algahefi AL, Alhammadi MS, Li Z et al. · 2026 · American journal of otolaryngology
Purpose To evaluate three-dimensional changes in the maxillary sinus (MS) and pharyngeal airway space (PAS) following rapid (RME), slow (SME), and magnetic maxillary expansion (MME) using cone-beam computed tomography (CBCT). Methods This…
View details →Darup A, Ettinger M, Savov P et al. · 2026 · Archives of orthopaedic and trauma surgery
Introduction Periprosthetic joint infection (PJI) represents a severe complication following total hip arthroplasty (THA) and total knee arthroplasty (TKA). The intraarticular application of vancomycin powder is increasingly integrated…
View details →G Montaser A, Tamimi S, A El Saeed S et al. · 2026 · The Saudi dental journal
Purpose To characterize hardness and fracture toughness of ceramic CAD/CAM materials with different composition (IPS e.max CAD and MAZIC Duro) and thicknesses (1mm and 1.5mm). Materials and methods Blocks of CAD/CAM esthetic restorative…
View details →Oweis YG, Bdour SAA, Abd-Raheam IM et al. · 2026 · International journal of dentistry
Background Vaping, argileh, and electronic cigarette (e-cigarette) smoking are becoming popular among adolescents and conventional smokers. While the impact of conventional smoking on oral tissues is well-established, the impact of other…
View details →Svobodová L, Kasović M, Vodicka T et al. · 2026 · International journal of women's health
Introduction Osteoporosis and osteopenia increase the risk of fractures, impair physical function, and may lead to loss of independence in postmenopausal women. This study examined differences in muscle strength imbalances and gait…
View details →Grząsiak-Kraj O, Majos A, Durczyński A et al. · 2026 · Przeglad gastroenterologiczny
Introduction Impaired glucose metabolism and diabetes frequently accompany pancreatic cancer. In patients with unresectable disease, palliative gastrojejunostomy is commonly performed to relieve gastrointestinal obstruction; however, its…
View details →Nowak R, Olejnik A, Zawiślak E et al. · 2026 · Head & face medicine
Background Maxillary constriction in adults often requires surgically assisted maxillary expansion. While skeletal and dental changes are well described, soft-tissue effects remain less clear. This study evaluated soft-tissue changes using…
View details →Mahajan A, Upadhyay M, Reddy RN et al. · 2026 · Journal of education and health promotion
Background Systemic sclerosis is an autoimmune disorder characterized by progressive fibrosis which affects skin and internal organs. There is also involvement of oral cavity seen as microstomia which affects oral hygiene and subsequently,…
View details →Hegde NN, Attavar S, Banerjee A et al. · 2026 · Journal of conservative dentistry and endodontics
Background Apical extrusion of debris during root canal preparation is inevitable and may contribute to postoperative pain and periapical inflammation. The extent of extrusion varies with instrument design and motion. ProTaper Next (PTN),…
View details →Fousekis E, Arhakis A, Arapostathis K et al. · 2026 · Biomimetics (Basel, Switzerland)
The aim of the study was to evaluate the immediate and aged shear bond strength (SBS) of a dual-cured and a light-cured universal adhesive to primary and permanent dentin. Twenty caries-free primary molars and twenty permanent third molars…
View details →Makrantonakis A, Mantzoros I, Ioannidis O et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Intraperitoneal onlay mesh (IPOM) reduces ventral/incisional hernia recurrence but raises concern for adhesions and infection, particularly when the operative field is not strictly clean. We aimed to determine…
View details →Seetharama DB, Prasad K, Prakash VR et al. · 2026 · Cureus
Introduction Acute coronary syndrome (ACS) is a major manifestation of coronary heart disease and is associated with significant morbidity and mortality. Inflammatory and thrombotic mechanisms play an important role in its pathogenesis.…
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