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.
19875 results in Negative / Null Result Report · page 437 of 663
Liu G, Wang J, Li G et al. · 2026 · Frontiers in psychiatry
Objective This study aims to extract and quantitatively analyze the tree drawing projection indices from groups of patients with depression, patients in remission, and a normal control group, to explore characteristic indicators of tree…
Wang F, Sheng J, Zhang G et al. · 2026 · Health physics
Reducing radiation exposure in pediatric imaging is a key focus globally, and it is necessary to establish diagnostic reference levels (DRLs) for contrast-enhanced computed tomography (CT) in children. This study assesses typical radiation…
Ömezli MM, Torul D, Doğanay Z · 2026 · Quintessence international (Berlin, Germany : 1985)
Purpose The aim of this study was to explore the physical and clinical efficacy of different suture materials used following impacted third molar surgery. Patients and methods This retrospective study included patients who underwent…
Tanko RF, Taku O, Mbulawa ZZA et al. · 2026 · Preprint
Abstract Background Human papillomavirus (HPV) is highly prevalent in adolescent girls and young women (AGYW) in sub-Saharan Africa. We evaluated short-term differences in HPV prevalence and early detection dynamics across hormonal…
Dodd SAS, Adolphe JL, Shoveller AK et al. · 2025 · Frontiers in veterinary science
Introduction Dogs are omnivores, not herbivores, and yet entirely plant-based diets are formulated to meet their current known nutrient recommendations. However, little is known about the metabolic effects of feeding diets containing no…
Ilanjian G, Matthey J, Porões F et al. · 2026 · Abdominal radiology (New York)
Objectives Accurate preoperative identification of extraprostatic extension (EPE) in prostate cancer (PCa) is important for treatment strategies. This retrospective study aimed to determine which MRI sequence provides the most accurate…
Borgognoni AB, Freund SS, Baas J et al. · 2026 · Frontiers in surgery
Introduction Early osseointegration is critical for long-term implant stability, and in-house 3D-printed porous surfaces may enhance bone integration by promoting cellular migration and tissue formation, provided that porosity is balanced…
CUMHUR BA, ACIKSARI K, DOLANBAY EG et al. · 2026 · Preprint
Abstract Purpose The aim of this study was to evaluate whether combined administration of hydroxychloroquine and zinc cause more damage or synergistic protection against sepsis-induced renal injury in a cecal ligation and puncture (CLP)…
Tural E, Coşkun ADE, Demi̇r D et al. · 2026 · BMC pregnancy and childbirth
Background The aim of our study is to compare the markers and parameters obtained from complete blood count between patients diagnosed with missed abortion in the first trimester and a healthy pregnant control group. Materials and methods…
Yılmaz E, Güler M, Midilli S et al. · 2026 · Fish physiology and biochemistry
This study evaluated the effects of replacing corn gluten with corn fermented protein in the diets of European sea bass (Dicentrarchus labrax) juveniles (25.9 ± 0.2 g) during a 60-day feeding trial. Four experimental diets were prepared by…
Mukandi I, Turner A, Bishop C et al. · 2026 · Journal of strength and conditioning research
Abstract Mukandi, I, Turner, A, Bishop, C, Beato, M. Neuromuscular and subjective recovery responses to day and night fixtures during congested and noncongested microcycles in professional soccer players. J Strength Cond Res XX(X):…
Çıkman AŞ, Öksüzer MÇ, Hatipoğlu Ö et al. · 2026 · Odontology
Post-endodontic pain is a major concern that negatively impacts patients' quality of life. To date, there is no study examining the effect of the menstrual cycle on post-endodontic pain. Thus, this study aimed to elucidate any significant…
Wang F, Wang T, Lu G et al. · 2026 · Journal of orthopaedic surgery and research
Background Unilateral biportal endoscopy (UBE) can be performed to treat lumbar disc herniation (LDH). Nevertheless, the postoperative clinical outcomes and spinal biomechanical implications following partial discectomy and laminectomy,…
Cacal D · 2026 · Preprint
Abstract Enhances sugarcane bud chip propagation by addressing limited knowledge on auxin soaking duration and concentration. The study investigates the response of sugarcane seedlings from the bud chip applied with auxin under screenhouse…
Molnár A, Mavrogeni P, Maihoub S · 2026 · Audiology research
Objectives: This study aimed to analyse the effects of educational levels, sex, and residence on tinnitus-related distress, as well as the severity of depression and anxiety. Material and methods: A total of 235 patients with primary…
Sueiro-Benavides RA, Leiro-Vidal JM, Rodríguez-González JA et al. · 2026 · International journal of molecular sciences
The redox mechanisms of RAW 264.7 macrophages exposed to 2.45 GHz RF-EMF at subthermal specific absorption rates and to lipopolysaccharide (LPS) and/or the SARS-CoV-2 spike protein (CSP) were investigated. To this end, cellular responses…
Bruno F, Bruschetta G, Miller A et al. · 2026 · Foods (Basel, Switzerland)
Biogenic amines are nitrogenous compounds that may occur in foods through plant metabolism, bee enzymatic activity, or microbial decarboxylation. This study evaluated biogenic amines content in monofloral honeys from Algeria and Morocco,…
Liu YH, Du Q, Zhang MR et al. · 2026 · Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]
Objective: To investigate the changes in the positive rate of specific immunoglobulin E (sIgE) for inhalant and ingestive allergens in children at a certain children's hospital in Wuhan City from 2019 to 2024, and to analyze the…
Gunay G, Ece M, Beloglu Tonyali Y et al. · 2026 · The Journal of craniofacial surgery
This study aimed to evaluate the effects of adding tranexamic acid (TXA) and dexamethasone to the irrigation solution of a piezoelectric device during open rhinoplasty on postoperative periorbital edema, ecchymosis, and pain. In this…
da Silva JV, da Silva RC, Ferreira RGDS et al. · 2026 · Frontiers in veterinary science
Introduction This study evaluated the effects of exogenous melatonin (MEL) on morphological and computational alterations in the stomach, duodenum, and liver of hyperprolactinemic rats. Methods Twenty-four animals were divided into three…
Hüseyinova R, Kutbay HG, Basançelebi O et al. · 2026 · Bulletin of environmental contamination and toxicology
This study was conducted in the northeast of Türkiye in an abandoned mine area. There were significant differences between study sites with respect to all heavy metals in the leaves of tree species. Statistically significant differences…
Liu M, Shen X · 2026 · Langenbeck's archives of surgery
Purpose Patients with primary unilateral indirect inguinal hernias and large internal inguinal rings have a higher incidence of seroma formation following laparoscopic transabdominal preperitoneal (TAPP) hernia repair. This study aims to…
Kavanova K, Babak V, Crhanova M · 2026 · Preprint
Abstract Probiotics play an important role in maintaining gastrointestinal comfort and health in piglets. For this reason, lactobacilli isolated from the gastrointestinal tract of domestic pigs and wild boars are evaluated for probiotic…
Chimeno-Pigrau C, Fernández-Valencia JA, Alías A et al. · 2026 · International orthopaedics
Purpose Accurate acetabular cup positioning is crucial in primary total hip arthroplasty (THA), as malposition is associated with instability and early failure. We hypothesized that acetabular cup orientation may differ according to the…
Cundari M, Kanold L, Bergwall D et al. · 2026 · The international journal of neuropsychopharmacology
Objectives This study aims to compare the performance on motor and cognitive functions of adult patients with attention deficit hyperactivity disorder (ADHD) with or without psychostimulant medication and controls. A secondary objective is…
Kaghazchi A, Karnati J, Ashraf A et al. · 2026 · Surgical neurology international
Background Correction of adult spinal deformity (ASD) using the Roussouly classification, SRS-Schwab classification, or the global alignment and proportion (GAP) score is associated with reduced mechanical complications. However, the…
Li J, Chen Z, Huang R et al. · 2026 · Poultry science
This study was conducted to evaluate the effects of fermented palm kernel cake (FPKC) on growth performance, intestinal health, cecal microbiota, nitrogen metabolism, and ammonia emission reduction of broiler chickens. A total of 900…
Armi S, Abharian PH, Barzkar F et al. · 2026 · Preprint
Abstract Introduction: Mild cognitive impairment (MCI), often misattributed to normal aging, commonly precedes dementia, highlighting the critical need for early identification to enable timely intervention and management. Objective: This…
Izbizky GH, Sevillano G, Abramor RM et al. · 2026 · Archivos argentinos de pediatria
Introduction. Multiple pregnancies are more frequently associated with adverse maternal and neonatal outcomes. The incidence of multiple pregnancies has increased with the use of assisted reproductive technologies (ART): they account for…
Swartchick CB, Gurudu R, Lexvold NS et al. · 2026 · The journal of applied laboratory medicine
Background Capillary self-collection (CSC) devices allow patients to collect blood samples at home, potentially reducing outpatient phlebotomy visits. This study aimed to (a) assess the patient experience with multiple commercially…