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.
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 →Qi Z, Li W, Li Z et al. · 2026 · Preprint
Abstract Background Female genital cosmetic surgery (FGCS) has gained increasing popularity worldwide, with high reported satisfaction rates. However, dynamic postoperative changes may lead to patient anxiety and misinterpretation during…
View details →Ismaile S, Alhosban F, Shajrawi A et al. · 2026 · Preprint
Abstract Background Preparing undergraduate nurses for high-acuity practice requires educational approaches that allow safe rehearsal of complex clinical situations, yet evidence from routine programme delivery remains mixed when immersive…
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 →Hattori S, Shimizu K, Kotorii R et al. · 2026 · Preprint
Abstract Purpose. To evaluate the safety and feasibility of introducing retroperitoneal single-port robot-assisted radical prostatectomy (SP-RARP) by comparing a single surgeon’s initial 50 cases with 50 recent transperitoneal multiport…
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 →van Rassel CR, Rummel M, MacInnis MJ · 2026 · Preprint
This study examined the utility of HRV detrended fluctuation analysis alpha-1 (DFAα1) to assess readiness-to-train and exercise durability under varying acute training loads. Nineteen trained cyclists completed two 20-minute time-trials…
View details →Huang W, Jiang L, Wang H et al. · 2026 · Preprint
Abstract Background With advances in minimally invasive surgery, endometrial cancer treatment has evolved from laparotomy to laparoscopic (LS) and robotic techniques. However, outcomes such as surgical trauma, recovery, and cost vary…
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 →Bednarek MM, Walędziak M, Zuzaniuk MJ et al. · 2026 · Preprint
Abstract Purpose To compare operative outcomes, postoperative complications, and weight-loss effectiveness between three-trocar and conventional five-trocar laparoscopic sleeve gastrectomy (LSG). Methods A retrospective cohort study of 100…
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 →Sorjonen K, Melin B, Melin M · 2026 · Preprint
Based on statistically significant effects in cross-lagged panel network (CLPN) models, Ning and Zou concluded bidirectional prospective influences between negative self-attention and depression. However, cross-lagged effects may be…
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 →Akdag A, Aktas E, Kutlu A et al. · 2026 · Preprint
Abstract Purpose: Residual fragments after retrograde intrarenal surgery (RIRS) may compromise delayed stone-free (SF) status and increase the likelihood of secondary intervention. This study evaluated the association between postoperative…
View details →Sağlam A, Kurutaş EB, Yağmur I et al. · 2026 · Preprint
Abstract Psoriasis is a chronic immune-mediated inflammatory skin disease associated with systemic inflammation and metabolic disturbances. Adipokines have been suggested as key mediators linking metabolic dysregulation and inflammatory…
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…
View details →Chow JW, Yablon SA, Stokic DS · 2026 · NeuroRehabilitation
BackgroundAlthough several studies have examined gait changes associated with continuous intrathecal baclofen (CITB) infusion for spasticity in ambulatory patients with acquired brain injury (ABI), none has included a control…
View details →Gyoten T, Akatsu T, Kuroda T et al. · 2026 · Journal of cardiothoracic surgery
Background This study aimed to evaluate clinical outcomes after surgical aortic valve replacement with third-generation Edwards (Edwards Lifesciences, Irvine, CA, USA) 19-mm-labeled aortic valve bioprostheses, including a rapid-deployment…
View details →Shen J, Yu X, Xu J et al. · 2026 · Microorganisms
Inflammatory bowel disease (IBD) is associated with microbial dysbiosis, yet subtype-specific alterations in the tongue-coating microbiome remain insufficiently characterized. In this cross-sectional study, tongue-coating samples from 158…
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