20,217 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.
Vilsmeier J, Büchele G, Rehm M et al. · 2026 · BMC medical research methodology
Background In the EvaCoM project, a retrospective cohort study of Germany-wide health insurance data of 29607 geriatric patients with fractures, the use of different time scales led to contradicting estimates in the Cox proportional…
View details →Davis AE, Su Y, Dallas R et al. · 2026 · Emerging microbes & infections
Human astroviruses are a common cause of viral gastroenteritis and are often underdiagnosed. While infections are typically mild or asymptomatic in immunocompetent hosts, astrovirus can cause prolonged and severe disease in…
View details →Mittal A, Malhotra K, Panwar V et al. · 2026 · Urology research & practice
Objective: This retrospective cross-sectional analytical study evaluated the clinicopathological associations of programmed death ligand 1 (PD-L1) and human epidermal growth factor receptor 2 (HER2/neu) expression in 250 patients with…
View details →Bahta H, Kahsay A, Mewcha G · 2026 · Preprint
This study aims to assess beekeeper’s perceptions of honeybee colony behavior, climate related challenges and hive productivity in Tigray. The research design was used a mixed-approach method with multi-stage sampling techniques to select…
View details →Qiao X, Wang Y, Tian Z et al. · 2026 · Frontiers in psychiatry
Aim To explore the symptom distress and quality of life status of patients with Chronic Kidney Disease (CKD) Stage 5 undergoing hemodialysis in China, and their correlation. Methods The Dialysis Symptom Index (DSI) and the Kidney Disease…
View details →Meade-Aguilar JA, Stovall R, Ramiro S et al. · 2026 · Joint bone spine
Objectives There are limited data on how NSAID use and dosage influence hypertension risk in axial spondyloarthritis (axSpA). We evaluated the association between NSAID use and incident hypertension in a longitudinal axSpA inception…
View details →Gonzalez DE, Dickerson BL, Hines K et al. · 2026 · Sports (Basel, Switzerland)
There are concerns that high-dose and/or long-term creatine monohydrate supplementation (CrM) leads to greater side effects (SEs) compared to placebo. This analysis investigated whether the dose or duration of CrM was associated with SEs.…
View details →Aljarallah S, Aldeligan SH, Almarshed A et al. · 2026 · Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology
PURPOSE.: Restless legs syndrome (RLS) is a common but under-recognised non-motor symptom in multiple sclerosis (MS), potentially linked to central nervous system lesion distribution. This study aimed to assess the anatomical distribution…
View details →Yıldız P, Yurtseven A, Turan C et al. · 2026 · BMC pharmacology & toxicology
Methylphenidate is widely prescribed for attention-deficit/hyperactivity disorder, and its use has increased substantially in recent years. Although generally considered safe within therapeutic ranges, supratherapeutic ingestion may result…
View details →Haksever M, Taşdemir D · 2026 · BMC pregnancy and childbirth
To evaluate the association between maternal hemoglobin and ferritin levels and fetal cortical maturation assessed by neurosonography between 30 and 34 weeks of gestation. This prospective observational study included 187 singleton…
View details →Kaushik A, Jaiswal A, Priya B et al. · 2025 · Journal of family medicine and primary care
Background Breast cancer is the most common cancer in women across the world. Immune cells can detect and destroy cancer cells. However, cancer cells acquire certain immune evasion mechanisms such as PD-1+ T-cells, to combat immune…
View details →Zhou X · 2026 · Translational psychiatry
Low titers of blood circulating natural anti-NMDAR1 autoantibodies were reported in ~10% of the general human population. Their potential effects on NMDAR functions in the brain, however, remain unknown. We developed a new method to more…
View details →Isikoglu BD, Senler FC · 2026 · Preprint
Abstract Purpose. Insomnia is a heterogeneous symptom cluster of multiple etiologies, frequently encountered in oncology patients, and chemotherapy has been implicated as a contributing factor. We aimed to evaluate the effects of…
View details →Coban S, Yavuz S, Dogan C et al. · 2026 · Preprint
Abstract Background Emergency department overcrowding is a persistent global public health issue, often driven by non-urgent visits. Health literacy is considered a key determinant of appropriate healthcare utilization. Objective This…
View details →Önder N, Muratoglu K · 2026 · Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment
Peanuts are among the most clinically important food allergens and may cause severe reactions even at very low exposure levels. This study investigated the presence of peanut residues in packaged baby biscuits marketed on the European side…
View details →Zeng Y, Zhu Y, Liu W et al. · 2026 · Preprint
Abstract Background When the function of one kidney is impaired or lost, the contralateral kidney may exhibit varying degrees of compensatory response. However, the influencing factors and underlying mechanisms of renal compensation remain…
View details →Ntombana L, Dlatu N, Hosu MC · 2026 · Preprint
Background: /Objectives: The growing burden of multidrug-resistant tuberculosis (MDR-TB), driven by poor treatment adherence and limited diagnostic access, has complicated disease control efforts. The recent introduction of shorter, less…
View details →Mirmosayyeb O, Barzegar M, Rezaei M et al. · 2026 · Neurologia
Purpose Multiple sclerosis (MS) is a debilitating disease accompanied by physical and mental comorbidities. Little is known about the relation between different comorbidities and health-related quality of life (HRQOL) in people with MS…
View details →Kumar MC, Ashok A · 2026 · Preprint
Abstract Background Cardiovascular diseases (CVDs) remain the leading cause of mortality globally. Cardiac rehabilitation (CR) is an effective intervention to improve recovery and reduce recurrence; however, nurses’ knowledge and attitude…
View details →Kanani P, Shinde V, Bhimani K et al. · 2026 · Annals of African medicine
Background Shock is a critical, life-threatening syndrome defined by a state of global hypoperfusion that results in inadequate oxygen and nutrient delivery to tissues, leading to cellular dysfunction and ultimately, organ failure. Despite…
View details →Kądziela M, Migdalska-Sęk M, Domańska-Senderowska D et al. · 2026 · International journal of molecular sciences
Vitiligo is a chronic autoimmune skin disorder characterized by progressive melanocyte loss and depigmented skin lesions, whose pathogenesis has been attributed to genetic and immunological factors. The aim of this exploratory study was to…
View details →Anderson N, Kimlin K, O'Rourke JL et al. · 2026 · Pediatric research
Background Congenital hearing loss can significantly affect childhood development, yet more than half of affected infants present without identifiable risk factors. A possible association between maternal diabetes and congenital hearing…
View details →Li Y, Zhu YX, Qiu Y et al. · 2026 · Clinical nephrology
Objective The association between the atherogenic index of plasma (AIP) and chronic kidney disease (CKD) among individuals with different metabolic syndromes remains inadequately characterized. The aim of this study is to assess the…
View details →Mostofi K, Caragliano G · 2026 · The Journal of hospital infection
Background Surgical site infections (SSIs) are a major complication of spinal surgery. The influence of tattoos overlying the operative incision has not been previously evaluated as a risk factor in this context. Methods Retrospective…
View details →Chen F, You R, Liu Y et al. · 2026 · Preprint
Background and Aims MASLD has become the most prevalent chronic liver disease globally. Although MVPA and plasma fatty acids have been individually studied in relation to metabolic health, their independent and combined associations with…
View details →Hakim MS, Hashimi MH, Saeed KM et al. · 2026 · Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit
Background Viral hepatitis and HIV infections are common public health concerns among injecting drug users, however, there is limited evidence on their seroprevalence in Afghanistan. Aim To determine the seroprevalence of hepatitis B,…
View details →Popovic R, Cvitanovic S, Sarac I et al. · 2026 · Cureus
Objective To assess parents' knowledge of recommended oral-hygiene practices for children and to describe oral-hygiene behaviors within families (parents and children), as well as factors associated with children's oral-hygiene outcomes.…
View details →Famuyide L, Patel J, Nembhard WN · 2026 · Birth defects research
Background Hypospadias is one of the most common genital defects in boys, affecting about 1 in 125 live-born boys. Several studies have examined the association between a single environmental exposure and risk of hypospadias, but few have…
View details →Ye B, Liu Y, Zhang J et al. · 2026 · Frontiers in nutrition
Background To investigate the associations between consumption of sugar-sweetened beverages (SSBs), artificially sweetened beverages (ASBs), and natural juices (NJs) and incident kidney stone disease (KSD), and to assess whether genetic…
View details →Kılıç A, Koçak Ulucaköy R, Osmanov Z et al. · 2026 · Biomarkers in medicine
Objective Biomarkers that accurately reflect disease activity and inflammatory burden are needed, particularly in the early stages of spondyloarthropathy (SpA). This study aimed to evaluate the association between serum neopterin levels…
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