A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.
20261 results in Negative / Null Result Report · page 566 of 676
Simorangkir DA, Modjo R · 2026 · Preprint
Abstract* Background In 2023, the Government of the Republic of Indonesia mandated all mining companies to assess their Mining Safety and Health Performance Maturity Level (MSHPML) as a basis for formulating Occupational Safety and Health…
Ozaki S, Chaplow JS, Dodd B et al. · 2026 · Ecotoxicology (London, England)
This study focused on the exposure of a terrestrial raptor, the peregrine falcon (Falco peregrinus), in the United Kingdom. In contrast to inland areas, peregrine falcons in coastal areas of North Cornwall, South-west England, have…
zangeneh s, naderi m, tahmasebi m et al. · 2025 · Preprint
Abstract Background : childbearing intention is influenced by individual and social factors. Childbearing intention is of particular importance as a unique factor of population growth at the global level. The purpose of this study is to…
Levy I, Habib L, Morgan S et al. · 2026 · Journal of clinical medicine
Aims : The aim of this study is to characterise corneal epithelial thickness profiles after Descemet membrane endothelial keratoplasty (DMEK) and compare it with healthy controls, focusing on inferior-superior (I-S) epithelial thickness…
Moradi A, Mohajeri Y, nikoo F · 2026 · Preprint
Abstract Objective: This study examines how maxillary sinus volume is influenced by factors such as nasal septum deviation, hard palate shift, and the presence of concha bullosa, considering the sinus’s close anatomical relationship with…
Cömert H, Çege EE · 2026 · BMC oral health
Background This in vitro study aimed to evaluate and compare the effects of SDF- and SDF + KI-based pretreatment protocols, with or without NaOCl surface preparation, on microleakage, discoloration, and fissure sealant penetration depth in…
Aldaghi MA, Yazdi NS, Abadi MEA et al. · 2025 · JGH open : an open access journal of gastroenterology and hepatology
Abdominal pain is one of the most common complaints to the pediatric clinic and can be challenging for the physician. Among children who present with abdominal pain, constipation is one of the main causes of abdominal pain, and its…
Alhadreti O · 2026 · Assistive technology : the official journal of RESNA
Digital accessibility has become an essential aspect of web design, ensuring that online services are usable by all individuals, including those with disabilities. Yet, the accessibility of tourism websites, particularly in developing…
Fırtına Topcu K, Cankorkmaz L, Hasbek M · 2026 · Turkiye parazitolojii dergisi
Objective This study aimed to retrospectively evaluate the serological, clinical, and radiological findings in the diagnosis of cystic echinococcosis (CE) in pediatric patients. The relationship between serological test results and…
BAYRAK AZ · 2026 · Preprint
Abstract This study examines the impact of the financial sector on environmental sustainability in the member countries of the Organization of Turkic States (OTS). The aim of the study is to identify banking activities that affect…
Zmyślona J, Czubak W · 2026 · Journal of dairy science
Investments play a pivotal role in the development of all farms, irrespective of their type. This role is particularly pronounced in the case of dairy farms, given the specialized nature of animal production, which involves buildings and…
Ding R, Boen R · 2026 · Preprint
Abstract The demand for culturally and linguistically responsive counselor education is rising in the United States; however, existing research on the challenges and mental health of international counselors-in-training is limited.…
Cunanan MJZ, Buensalida D, Capunong J et al. · 2026 · BMC nursing
Background Effective collaboration among nurses is essential for delivering safe and high-quality patient care, particularly in high-acuity environments such as emergency departments. Ineffective collaboration may lead to poor…
Khalafi N, Kazemi K, Beyzaei Z et al. · 2026 · Transplant immunology
Background Complement component 4 degradation product (C4d) staining is a routine ancillary tool in diagnosing antibody-mediated rejection (AMR) in renal and cardiac allografts, but its role in liver transplantation (LT) remains…
Ataman M, Yılmaz E, Yufka M et al. · 2026 · World journal of urology
Objective This study aims to investigate the relationship between the use of short-term preoperative urinary catheters and the development of postoperative urethral stricture in patients undergoing transurethral resection of the prostate…
Çalı O, Yıldız R · 2026 · Frontiers in psychology
Introduction Psychological health problems during adolescence affect both individual well-being and society. Although physical activity supports mental health, adolescents' attitudes toward seeking psychological help are also essential.…
Alderson HE, Mu C, Chen LM et al. · 2026 · Magnetic resonance in medicine
Purpose To investigate the utility of a recently demonstrated diffusion MRI derived axon diameter surrogate measure (∆D ⟂ ) under pathologic conditions induced by a spinal cord injury model. Methods Contusion injuries were performed on the…
Izuka O, Ogbonna I, Chidomere I et al. · 2026 · Preprint
Abstract Background: Acute bacterial meningitis (ABM) remains a significant public health concern in resource-limited settings like Nigeria. It is a frequent neurologic emergency among children and often presents at under-resourced medical…
Meidani M, Nasseri F, Rostamian A et al. · 2026 · Iranian journal of pathology
Background & objective Tumor necrosis factor-alpha (TNF-α) inhibitors are widely used in rheumatologic diseases but may increase the risk of primary tuberculosis (TB) infection or reactivation. Purified protein derivative (PPD) conversion…
Mualip N, Jeplin RG, Hashim J · 2026 · Preprint
Abstract Background: Artificial intelligence (AI) is increasingly integrated into health professions education, yet its impact on academic performance remains unclear. While previous studies have examined overall AI usage, limited research…
Imannezhad M, Saberi-Karimian M, Darroudi S et al. · 2026 · Health science reports
Background and aims Cardiovascular diseases (CVDs) are a worldwide health concern, with factors like poor nutrition and environmental conditions contributing to the burden of CVD and its mortality. Height and other anthropometric indices…
Barrera-Domínguez FJ, Talpey S, Li F et al. · 2026 · Journal of sports sciences
Asymmetries are practical indicators of basketball players performance; however, longitudinal evidence remains limited. The aims of this study were to: (i) examine the variation of inter-limb asymmetry across three different time points…
Georgieva V · 2026 · Preprint
The European Green Deal places environmental taxation at the centre of decarbonisation policies. Nevertheless, the empirical evidence for its effectiveness as an incentive for capital eco-investments remains limited, particularly at the…
Atabay FE, Altin D · 2026 · Nutrition (Burbank, Los Angeles County, Calif.)
Background Orthorexia nervosa (ON) is characterized by an excessive preoccupation with consuming healthy foods, which may lead to dietary restrictions, psychological distress, and social isolation. Despite its increasing recognition, ON is…
Kidd A, Colee J, Perez-Rodriguez V et al. · 2025 · Journal of the American Animal Hospital Association
The objective of this study was to determine if the time to any antimicrobial administration, as well as time to appropriate antimicrobial administration, impacted hospitalization time of dogs diagnosed with sepsis. Records from 175 dogs…
Suss SJ Jr, Kimbler A, Baker AE et al. · 2026 · Developmental cognitive neuroscience
Anxiety symptoms often escalate in peri-adolescence (ages 10-13 years), a sensitive period when puberty-related changes occur in neural systems implicated in psychopathology. Greater amygdala activation and altered functional connectivity…
Vosoughi S, Adineh M, Kardooni A et al. · 2026 · ARYA atherosclerosis
Background Primary percutaneous coronary intervention (PPCI) is considered the gold standard for ST-elevation myocardial infarction (STEMI) treatment. While door-to-device (DTD) time critically influences outcomes, its combined impact with…
Durmuş Hİ, Polat ME · 2025 · Medical science monitor : international medical journal of experimental and clinical research
BACKGROUND Maxillofacial fractures represent one of the most common forms of traumatic injuries, affecting both function and aesthetics, and are associated with significant morbidity and long-term sequelae. The incidence and distribution…
Eff ARY, Yuliana S, Afifah NN et al. · 2026 · Journal of advanced pharmaceutical technology & research
Chronic kidney disease (CKD) in children necessitates the use of a variety of drugs to reduce disease progression and manage complications. Polypharmacy is common in children with CKD, which can increase the occurrence of harmful drug…
Falkenried J, Ahmadi E, Davitian K et al. · 2026 · Patient education and counseling
Background Complementary and alternative medicine (CAM) is increasingly utilized by cancer patients seeking additional ways to manage their health. Understanding how patient activation influences CAM usage and interest can guide more…