11,417 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.
Spada E, Castelli G, Bruno F et al. · 2026 · Animals : an open access journal from MDPI
Feline leishmaniosis (FeL) caused by Leishmania infantum is increasingly recognized in endemic areas, but the inflammatory profile during infection remains poorly defined. This case-control study evaluated the acute phase proteins (APPs)…
View details →Sajedi Nia M, Khaleghi Tazji M, Abbasi A · 2026 · BMC musculoskeletal disorders
Purpose To investigate the effects of pyramidal and reverse pyramidal loading on spine and pelvis coordination patterns and their variability during deadlift. Methods Twelve trained male powerlifters performed deadlifts under two loading…
View details →Wassermann C, Rosenberger N, Gerhardt M et al. · 2026 · Scientific reports
In this in vitro study, a CAD-based test workflow was established to evaluate the dimensional accuracy of conventional dental impression materials under standardized laboratory conditions. Ninety double-mix impressions were made from a…
View details →Mguidich H, Ben Chikha H, Khacharem A · 2026 · Perceptual and motor skills
The acquisition of tactical knowledge from static diagrams is common in coaching, yet players may struggle to integrate information when it is processed passively. To address this problem, encouraging mental imagery of unfolding tactical…
View details →Park JO, Park YB, Yoon JH et al. · 2026 · The Journal of prosthetic dentistry
Statement of problem Comparative studies assessing monolithic zirconia and metal-ceramic for implant-supported fixed prostheses remain limited. Purpose This retrospective study aimed to compare the survival and success of metal-ceramic and…
View details →Uchimoto T, Hirosuna K, Niigawa H et al. · 2026 · Japanese journal of clinical oncology
Background Triplet therapy with darolutamide, androgen deprivation therapy, and docetaxel (DOC) has emerged as an intensified treatment option for metastatic castration-sensitive prostate cancer (mCSPC). This study evaluated real-world…
View details →Büğüşan Oruç S, Akdağ Mirzaoğlu N, Yakut Y · 2026 · International journal of occupational safety and ergonomics : JOSE
Objectives . This study aimed to investigate pinch strength and manual dexterity in different postures among young adults. Methods . A total of 200 individuals aged 18-45 years participated. Key, tip and palmar pinch strengths were…
View details →Karaca O, Torlak MS, Tekin AN · 2026 · Revista da Associacao Medica Brasileira (1992)
Objective The use of large language models is increasing in healthcare. The aim of this study was to evaluate and compare the responses provided by ChatGPT (OpenAI) and Gemini (Google) to frequently asked questions about stroke and its…
View details →Thomas RM, Nayak R, Madi M et al. · 2026 · BMC oral health
Remaining Root Dentin Thickness (RRDT) after root canal instrumentation is an important parameter to be assessed with newer file systems. This study aimed to evaluate the root dentin thickness following instrumentation of primary molar…
View details →Zapata KA, McGinley JJ, Sucato DJ et al. · 2026 · Spine deformity
Purpose To evaluate the effectiveness of nighttime brace treatment in boys with adolescent idiopathic scoliosis (AIS) compared to girls according to brace adherence and curve progression. Methods Children with predominantly…
View details →Hayashi K, Yoshida M, Hayashi S et al. · 2026 · Japanese journal of ophthalmology
Purpose To compare visual function between pseudophakic eyes with enhanced monofocal intraocular lenses (IOLs) and phakic eyes with clear lenses among patients in their 50s, 60s, and 70s. Study design Prospective comparative study. Methods…
View details →Chapron L, Bellot L, Mallet Y et al. · 2026 · Retina (Philadelphia, Pa.)
Purpose To assess the diagnostic value of tomographic signs on OCT and OCT-A, particularly paracentral acute middle maculopathy (PAMM), in predicting temporal artery biopsy (TAB) positivity in suspected giant cell arteritis (GCA),…
View details →Shehu E, Arora K · 2026 · Health services research
Objective To examine whether different caregiving arrangements influence hospitalization risk and frequency among older adults with functional limitations. Study setting and design This longitudinal study used linear probability and…
View details →Zhang Y, Yu W, Shen W · 2026 · Medicine
This study aimed to explore the effects of 3 immediate reconstruction methods - prosthesis implantation, latissimus dorsi flap (LDF), or their combination - on postoperative outcomes following breast cancer (BC) surgery. A retrospective,…
View details →Tomalka A, Weidner S, Rode C et al. · 2026 · Experimental physiology
Eccentric muscle contractions are essential for locomotion and daily activities. Force during these contractions depends on both cross-bridge (XB) and non-cross-bridge (non-XB) elements, including titin, with contributions varying by fibre…
View details →Yuan W, Liang X, Zhang R et al. · 2026 · Clinical therapeutics
Purpose This study aimed to evaluate the effects of remimazolam in conjunction with esketamine on anesthesia and the incidence of early perioperative neurocognitive disorders (PNDs) in patients undergoing thoracoscopic partial lung…
View details →Baker S, Nouraie SM, Steinman RA · 2026 · JCI insight
Programs at the medical school level to train students as physician-scientists include NIH-supported MD-PhD (Medical Scientist Training Program, MSTP), non-NIH-supported MD-PhD (MDPhD), and limited research pathways for MD-only students.…
View details →Taghizadeh H, Parvizi MJ, Roostaei A et al. · 2026 · Research quarterly for exercise and sport
This study compared the effects of blocked practice, random practice (contextual interference), and differential learning on acquisition, retention, and performance under psychological pressure of a basketball jump shot in novice…
View details →Cebeci T, Polat Akmansoy B · 2026 · The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association
ObjectiveTo compare osteomeatal complex (OMC) anatomical variations and nasal cavity airway volume between individuals with cleft lip and palate (CLP) and healthy controls using cone beam computed tomography (CBCT).DesignRetrospective,…
View details →Çavdarcı H, Sarıca M, Erensoy K et al. · 2026 · Tropical animal health and production
This study investigated the effects of different flooring designs on the welfare and behavioral traits in fast-growing broilers. A total of 600 day-old Ross-308 chickens were randomly allocated to five treatment groups: fully littered…
View details →Bruni M, Perina F, Figueiredo J et al. · 2026 · Aquatic toxicology (Amsterdam, Netherlands)
Metallic corrosion poses an economic problem worldwide and is often mitigated by adding corrosion inhibitors (CIs) to protective coatings. Conventional CIs, such as 2-mercaptobenzothiazole (MBT) and benzotriazole (BTA), exhibit toxicity to…
View details →Swallow C, Imamoglu M, Imamoglu AG et al. · 2025 · Urogynecology (Philadelphia, Pa.)
Importance Sacrocolpopexy is essential in the surgical management of advanced pelvic organ prolapse, and selecting the appropriate route for concomitant hysterectomy is critical. Objectives The aim of this study was to evaluate the effect…
View details →Quan TT, Nguyen HM, Nguyen HT et al. · 2026 · Cureus
Objective This study aims to describe ductus arteriosus (DA) morphology in patients with pulmonary atresia with ventricular septal defect (PA-VSD) and to assess exploratory paired differences between echocardiography and digital…
View details →Seber T, Uylar Seber T, Çiçek F et al. · 2026 · Journal of pain research
Purpose Fibromyalgia (FM) is a chronic pain syndrome frequently associated with neuroendocrine dysfunction and has been hypothesized to share pathophysiological mechanisms with conditions such as empty sella (ES) and intracranial…
View details →Goc G, Sukur YE · 2026 · Journal of minimally invasive gynecology
Study objective To compare embryo euploidy rates and reproductive outcomes among women with ovarian endometriomas who underwent ethanol sclerotherapy (EST), laparoscopic cystectomy, or expectant management prior to in vitro fertilization…
View details →Koga S, Noguchi S, Kondo T · 2026 · Pediatric surgery international
Purpose Appendiceal location may affect the diagnosis and surgical management of acute appendicitis. However, pediatric-specific data remain limited. This study evaluated appendiceal location in Japanese children with acute appendicitis…
View details →Kitamura K, Fujii M, Yamate S et al. · 2026 · International orthopaedics
Purpose The role of periacetabular osteotomy (PAO) in symptomatic borderline hip dysplasia (borderline HD) remains controversial because the lateral centre-edge angle may not reflect global dysplastic morphology. We examined whether…
View details →Carkit S, Karaagac M · 2026 · Annals of surgical oncology
Background Esophageal cancer is associated with substantial morbidity and mortality worldwide and is frequently diagnosed at advanced stages, leading patients and their relatives to seek health-related information beyond traditional…
View details →Van der Cruyssen F, Willaert R, Palla B et al. · 2026 · International journal of oral and maxillofacial surgery
Trigeminal nerve injuries severely degrade quality of life, yet comparative effectiveness evidence for existing treatments is scarce. The authors prospectively followed 153 adults with iatrogenic lingual or inferior alveolar nerve injuries…
View details →Dubowitz H, Belanger R, Magder L et al. · 2026 · Academic pediatrics
Hypothesis A Maintenance of Certification-4 activity (MOC) will help primary care practices implement the Safe Environment for Every Kid (SEEK) approach to prevent child maltreatment more effectively than simpler independent online…
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