11,312 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.
Liu X, Wang Y, Medina AA et al. · 2026 · Pharmacological research
Gut-liver axis disturbance is the unifying pathogenesis of cholestatic liver diseases. The purpose of this study was to explore the underlying mechanisms of the probiotic Lactobacillus amylovorus (LA) and its secreted extracellular…
View details →Timimi S · 2025 · Child and adolescent mental health
Because definitions of mental disorder are inescapably subjective, they can be continuously expanded in response to commercial, guild and social interests and pressures. In this article, I argue that this has resulted in young people…
View details →Fujii T, Nogami Y, Seo T · 2026 · BMJ open
Objectives Cognitive behavioural therapy (CBT) is recommended as a first-line treatment for depression and anxiety disorders, but its utilisation under Japan's national health insurance remains poorly understood. This study aimed to…
View details →El Housheimi A, Tato Varela S, Kuhn WC · 2026 · Oncology research and treatment
Background Ovarian cancer (OC) accounts for the most cancer deaths in women worldwide, despite it being the 8th most common one. Almost two-thirds or OC cases present in advanced stages (III/IV) and will require maintenance therapy lasting…
View details →Mano T · 2025 · Clinical medicine insights. Case reports
Cervical traction therapy is commonly used for cervical spondylosis; however, complications, such as subdural hematomas can occur. Possible mechanisms include cerebrospinal fluid (CSF) leakage and bridging vein damage. A 51-year-old…
View details →Serour MH, Mohammad H, Aziza O et al. · 2026 · Journal of surgical case reports
Chronic diabetic foot ulcers remain a major clinical challenge, particularly when complicated by tendon exposure and failure to respond to standard care. We report a 47-year-old male with Type II diabetes mellitus with a history of smoking…
View details →Kankotia S, Park S, Thomas J · 2025 · Current opinion in oncology
Purpose of review Relapsed or metastatic head and neck squamous cell carcinoma (R/M HNSCC) is a deadly disease that historically was treated with palliative chemotherapy-based regimens. Since 2019, immunotherapy-based regimens have become…
View details →Glauser G, Kvint S, Ramayya AG et al. · 2025 · Neurosurgery practice
Background and objectives The purpose of the present work was to review our series of patients with far lateral disk herniations treated by the intertransverse approach. Methods Patients undergoing intertransverse approach to treat…
View details →Bertsias A, Flouri I, Emmanouilidou E et al. · 2026 · Arthritis research & therapy
Background Difficult to manage (D2M) axial spondyloarthritis (axSpA) is an evolving clinical concept. We aimed to assess the prevalence, predictors and long-term outcomes of D2M axSpA. Methods Prospective single center cohort study of…
View details →Bošnjak K, Vengust R · 2025 · Journal of clinical medicine
Background : We aimed to analyze radiographic sagittal balance parameters in patients who underwent a TLIF procedure for single-level degenerative spondylolisthesis with a mean follow-up of 8.6 years and to determine whether lumbar…
View details →Ikegishi Y, Abe R, Maehata A et al. · 2026 · Internal medicine (Tokyo, Japan)
Copper deficiency is a rare but critical cause of anemia and neurological impairment. We herein report a hemodialysis patient who developed acute-onset copper deficiency after spinal surgery with zinc supplementation, despite no…
View details →Umer A, Nafis S, Karimi M · 2026 · Cureus
Congenital amegakaryocytic thrombocytopenia (CAMT) is a rare inherited bone marrow failure disorder characterized by severe thrombocytopenia due to absent or markedly decreased megakaryocytes. It typically presents in infancy and may…
View details →Pisljar Z, Markelc B, Brezar SK et al. · 2025 · Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
Radiotherapy is a standard therapy for oral squamous cell carcinoma (OSCC) with immunomodulatory potential. Due to high lymphocyte radiosensitivity, partial tumor-volume irradiation (pIR), targeting only part of the tumor, is being…
View details →Kateh Shamshiri M, Vakili-Ghartavol R, Aiyelabegan HT et al. · 2025 · Cytokine
While liposomes enhance the safety and pharmacokinetic profile of free drugs, they have not significantly improved therapeutic efficacy. To overcome this challenge, targeted depletion of tumor-associated macrophages (TAMs) shows…
View details →Lamboley Q, Fourcade Y · 2024 · Journal of biogeography
AIM: The continuous development of statistical tools applied to ecology has contributed to great advances for modelling species' niches and distributions from opportunistic observations. However, as these observations are subject to biases…
View details →Alghizzi TM, Alshahrani TM · 2024 · Heliyon
Despite considerable evidence that supports the use of grading rubrics (GRs) as tools for written corrective feedback, there is a paucity of research that investigates which of the different types of GRs best develops learners'…
View details →Bousamaki J, Maciag G, Petersen AG et al. · 2026 · Basic & clinical pharmacology & toxicology
Nintedanib, a multitargeted tyrosine kinase inhibitor, is approved for idiopathic pulmonary fibrosis (IPF) for its ability to slow lung function decline. This study systematically evaluated the effects of nintedanib across three…
View details →Güngör HS, Łabuz G, Yildirim TM et al. · 2024 · Journal of refractive surgery (Thorofare, N.J. : 1995)
Purpose To investigate how varying levels of longitudinal chromatic aberration (LCA) affect visual quality in patients with trifocal intraocular lenses (IOLs). Methods Twenty-nine patients implanted with trifocal IOLs were assessed for…
View details →Hui Q, Xiang T, Qinglan X et al. · 2026 · Food science & nutrition
The link between Vitamin D (Vit D) deficiency and sudden sensorineural hearing loss (SSNHL), especially regarding recurrence and age-related disparities, remains unclear. Recurrence and age-specific risks of SSNHL are under addressed,…
View details →Tanabe S, Shi Y · 2024 · The American journal of case reports
BACKGROUND Retained products of conception (RPOC) is a rare complication following second-trimester delivery or pregnancy termination, often leading to significant hemorrhage. Diagnosed via ultrasound or CT, RPOC requires surgical…
View details →Hyun J, Cerino ES, Katz MJ et al. · 2025 · The journals of gerontology. Series B, Psychological sciences and social sciences
Objectives Investigating social determinants of health and related outcomes may help identify effective and sustainable intervention targets. This study examined whether contextual-level social capital (bonding and bridging capital) and…
View details →Agergaard J, Gunst JD, Schiøttz-Christensen B et al. · 2023 · International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases
Objectives Knowledge is limited on how changing SARS-CoV-2 variants may translate into different characteristics and affect the prognosis of patients with long COVID, especially following Omicron variants. We compared long-term prognosis…
View details →Carroll AM, Pruitt DT, Riley JR et al. · 2024 · Scientific reports
Learning new skills requires neuroplasticity. Vagus nerve stimulation (VNS) during sensory and motor events can increase neuroplasticity in networks related to these events and might therefore serve to facilitate learning on sensory and…
View details →Langley C, Plakotaris E, Rogers NE · 2025 · Case reports in dermatology
Introduction Lichen planopilaris (LPP) is a well-known cicatricial alopecia with a frontal fibrosing variant. LPP has a prevalence rate of 13.4 per 100,000 persons. It is understood that LPP favors the female populations. What is not…
View details →Panca M, Serfaty M, Satchell J et al. · 2026 · BJPsych open
Background Crime has significant impact on older victims. High rates of anxiety and depression may be associated with crimes. Aims This paper aims to evaluate the cost-effectiveness of a victim improvement package (VIP) for the reduction…
View details →Fernandes Cabral DT, Fernández-de Thomas RJ, Alattar A et al. · 2024 · Neurosurgical focus: Video
Odontoid pannus is an abnormal collection of degenerative or inflammatory tissue on the C1-dens joint that can result in severe spinal cord compression myelopathy. Treatment options vary depending on severity and etiology. In cases of…
View details →Liu H, Hu Z, Song Q et al. · 2025 · JAMA network open
Importance Evidence from everyday dining situations regarding the effects of traffic light labels (TLLs) on dietary improvement remains inconsistent. Objective To evaluate the effects of TLLs on dietary consumption and choices in cafeteria…
View details →Cearns K, Lazarus ER, Wahid R · 2026 · The Canadian journal of nursing research = Revue canadienne de recherche en sciences infirmieres
BackgroundMental health nurses represent only 1.03% of the global nursing workforce, contributing to persistent workforce shortages. Undergraduate nursing students demonstrate limited interest in mental health nursing (MHN), often…
View details →S YK, Dwibedi B, Das RR · 2026 · European journal of pediatrics
Because of the excessive endogenous inflammatory mediators, acute encephalitis syndrome (AES) results in death, or sequelae in survivors. Pentoxifylline, a modulator of inflammation, can have beneficial role in AES. The primary objective…
View details →Ansaloni LS, Domingues CEC, Gregori M et al. · 2026 · Insects
Given the current global agricultural system, honey bees are exposed to a complex network of stressors that can act simultaneously, making it challenging to maintain healthy colonies. Therefore, studies on natural products to improve…
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