Negative / Null Result ReportMedicine
Cuttance EL, Mason WA, Jamieson P et al. · 2026 · New Zealand veterinary journal
Aims To evaluate, in a sample of cows on a New Zealand dairy farm, whether different methods of oral supplementation with zinc were effective in raising serum Zn concentrations ≥ 18 μmol/L, the target threshold for protection from facial…
View details →DOI: 10.1080/00480169.2026.2644415 Negative / Null Result Report
Charles F, Reside A, Moss P et al. · 2026 · Preprint
In fire-prone regions globally, evolution of plant traits that confer resilience to historical fire regimes is widespread. However, many common plant species are currently declining due to a mismatch between historical and contemporary…
View details →DOI: 10.32942/x2s08s Negative / Null Result Report
Çetin DD, Ölmez Ş, Sarıtaş B et al. · 2026 · Preprint
Abstract Background Percutaneous endoscopic gastrostomy (PEG) is the preferred method for long-term enteral nutritional support in patients unable to maintain adequate oral intake. PEG candidates often present with multiple comorbidities…
View details →DOI: 10.21203/rs.3.rs-8549527/v1 Negative / Null Result ReportMedicine
Chen W, Zhou Y, Wang M et al. · 2026 · Acta psychologica
This study aimed to explore the impact of calligraphy training on the emotional well-being of college students，as well as the mediating roles of state mindfulness and rumination in this relationship, using a cross-sectional design (N =…
View details →DOI: 10.1016/j.actpsy.2026.106950 Negative / Null Result ReportMedicine
Wang Y, Song Z, Guo Q et al. · 2026 · Environmental science & technology
Mounting evidence confirms that microplastics (MPs) pose ecological risks. Despite the environmental relevance of aged MPs under warming, little is known about their particle versus leachate toxicity. Here, we mechanistically quantify…
View details →DOI: 10.1021/acs.est.5c15273 Negative / Null Result Report
Azaad S, Echterhoff G · 2025 · Preprint
Many experiments in psychology involve deceiving participants about aspects of the study. Researchers who employ deception sometimes administer post-experiment suspicion probes and exclude participants from analysis if their responses…
View details →DOI: 10.31234/osf.io/eqr63_v2 Negative / Null Result ReportMedicine
Lerche CM, Granborg JR, Al-Chaer RN et al. · 2025 · Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology
Glyphosate (GLY) is the most widely used pesticide in the world. Agricultural workers are exposed to GLY via ingestion and skin contact. GLY may generate epigenetic changes that might be carcinogenic. However, whether GLY is carcinogenic…
View details →DOI: 10.1007/s43630-025-00783-y Negative / Null Result ReportMedicine
Suksathien Y, Suarjui J, Tippimanchai T et al. · 2026 · International orthopaedics
Purpose Intraoperative calcar fracture (IOCF) can compromise initial stability, leading to stem subsidence and instability. We aimed to compare 2-year complications and revision rates between patients who sustained IOCF and matched…
View details →DOI: 10.1007/s00264-026-06764-9 Negative / Null Result ReportMedicine
Chesney KM, McAbee JH, Balu A et al. · 2026 · Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
Purpose Tethered cord release (TCR) is typically well tolerated in children, but cerebrospinal fluid (CSF) leaks can occur postoperatively, with rates as high as 33%. The aim of this study was to determine perioperative risk factors…
View details →DOI: 10.1007/s00381-026-07173-4 Negative / Null Result ReportMedicine
Gorsagun S, Pruksanusak N, Geater AF · 2026 · International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics
Objective To compare pregnancy outcomes between early and standard treatment of gestational diabetes mellitus (GDM) diagnosed using the Carpenter-Coustan criteria and to assess the impact of applying the International Association of…
View details →DOI: 10.1002/ijgo.70572 Negative / Null Result ReportMedicine
Dai H, Wang Y, Shan F et al. · 2026 · BMC gastroenterology
Background Neoadjuvant chemotherapy (NAC) and neoadjuvant chemoradiotherapy (nCRT) are increasingly used to treat adenocarcinoma of the esophagogastric junction (AEG). However, there is insufficient clinical evidence to compare surgical…
View details →DOI: 10.1186/s12876-026-04931-1 Negative / Null Result ReportMedicine
Sato M, Torii K, Hiramatsu Y et al. · 2026 · Surgical endoscopy
Background Safe establishment of pneumoperitoneum is essential in laparoscopic surgery because most access-related injuries occur during peritoneal entry. In Veress needle procedures, this step is performed blindly, and conventional…
View details →DOI: 10.1007/s00464-026-12693-w Negative / Null Result ReportOpen accessMedicine
Muto T, Machida S, Imaizumi S et al. · 2026 · Journal of ophthalmology
Purpose To determine the prevalence and clinical characteristics of retinal artery occlusion (RAO), including branch RAO (BRAO) and central RAO (CRAO), among new patients before and after the declaration of a state of emergency due to…
View details →DOI: 10.1155/joph/5740618 Negative / Null Result ReportMedicine
Maschoreck LG, Stokholm L, Pedersen FN et al. · 2026 · Acta ophthalmologica
Purpose Diabetic retinopathy (DR) is a frequent long-term complication of diabetes. While hemodynamic changes are known risk factors for DR, the effect of coronary artery bypass grafting (CABG) on the development of DR is poorly…
View details →DOI: 10.1111/aos.70147 Negative / Null Result ReportMedicine
Elhoweris AE, Sullivan M, Norton W et al. · 2026 · Transplantation proceedings
Background Urinary tract infections (UTIs) are the most common infection following kidney transplantation. However, the natural history of UTIs is incompletely understood, as is the impact of UTIs on patient outcomes. Methods A…
View details →DOI: 10.1016/j.transproceed.2026.01.026 Negative / Null Result ReportMedicine
Wang N, Xu T, Li H et al. · 2026 · International journal of radiation oncology, biology, physics
Purpose To characterize the long-term endoscopic natural history of chronic radiation proctitis (CRP) and identify predictors of severe lesions in patients with locally advanced rectal cancer from the STELLAR study (NCT02533271) . Methods…
View details →DOI: 10.1016/j.ijrobp.2026.05.004 Negative / Null Result Report
Berends E, Guimbal S, Zhang X et al. · 2026 · Preprint
Background Methylglyoxal (MGO), a highly reactive by-product of glycolysis, has been associated with cognitive decline and Alzheimer’s disease, though the mechanistic role of MGO remains unclear. Moreover, conflicting findings exist…
View details →DOI: 10.64898/2026.02.20.706964 Negative / Null Result ReportMedicine
Sano Y, Yagi N, Ito Y et al. · 2026 · Digestive diseases and sciences
Background and aims The role of 5-aminosalicylates (5-ASA) in maintaining remission in patients with ulcerative colitis (UC) receiving advanced therapy remains controversial. This study evaluated the safety and feasibility of 5-ASA…
View details →DOI: 10.1007/s10620-026-09778-w Negative / Null Result ReportMedicine
Smith DC, Gemkow JW, Shiferaw BA et al. · 2026 · Journal of midwifery & women's health
Introduction Use of labor induction has increased rapidly for medical and nonmedical reasons, raising questions about its impact on cesarean birth rates. With growing incidence of elective induction of labor (IOL) at 39 weeks, uncertainty…
View details →DOI: 10.1111/jmwh.70109 Negative / Null Result ReportMedicine
Koskinen JP, Harju M, Välimäki J · 2026 · Acta ophthalmologica
Purpose To evaluate changes in corneal tomography, pachymetry and endothelial cell density (ECD) following Paul Glaucoma Implant (PGI) surgery. Methods Seventy-three patients were prospectively examined. Repeated measures anova was used to…
View details →DOI: 10.1111/aos.70063 Negative / Null Result ReportMedicine
Wang Q, Kimura Y, Oba J et al. · 2026 · European journal of pediatrics
Routine echocardiography at one month after diagnosis is the current standard for screening coronary artery abnormalities (CAA), a major complication of Kawasaki disease. The study aimed to develop and validate models to predict CAA and…
View details →DOI: 10.1007/s00431-026-06884-9 Negative / Null Result Report
Kralj-Fišer S, Čelik T, Fišer C et al. · 2026 · Preprint
Abstract Fecundity selection is widely invoked to explain female-biased sexual size-dimorphism (SSD), yet tests based on lifetime reproductive output remain scarce. We quantified lifetime fecundity and age-dependent reproduction in the…
View details →DOI: 10.21203/rs.3.rs-8436857/v1 Negative / Null Result ReportMedicine
Jenkins TL, Darden K, Pourdeyhimi B et al. · 2026 · Journal of biomechanics
Synthetic polymer scaffolds with aligned fibers permit engineered tendon development and the formation of an aligned, collagen rich matrix. However, many tissue engineered constructs cannot withstand physiologically relevant loads. Both…
View details →DOI: 10.1016/j.jbiomech.2026.113248 Negative / Null Result ReportMedicine
Mohammadi S, Cunnane ME, Juliano AF et al. · 2026 · AJNR. American journal of neuroradiology
Background and purpose Four-dimensional CT (4D-CT) is a key imaging modality for preoperative localization of parathyroid adenomas in primary hyperparathyroidism. Ultrasound (US) is frequently added with the assumption that it enhances…
View details →DOI: 10.3174/ajnr.a9306 Negative / Null Result ReportMedicine
Santoro SL, Alvarado C, Tseng SY et al. · 2026 · Journal of perinatology : official journal of the California Perinatal Association
Objective In 2022, the U.S. Supreme Court decision on Dobbs v. Jackson Women's Health Organization changed abortion access. We evaluated birth rates of Down syndrome (DS) before and after the Dobbs decision hypothesizing similarity to…
View details →DOI: 10.1038/s41372-026-02560-w Negative / Null Result ReportMedicine
Ukita K, Egami Y, Sugino A et al. · 2026 · Clinical research in cardiology : official journal of the German Cardiac Society
Background Several studies have investigated the efficacy of additional left atrial (LA) roof ablation to pulmonary vein isolation (PVI) using cryoballoon for persistent atrial fibrillation (AF). However, the evidence from randomized…
View details →DOI: 10.1007/s00392-026-02879-6 Negative / Null Result ReportMedicine
Aragón-Sánchez J, Víquez-Molina G, Aragón-Hernández J et al. · 2026 · Advances in skin & wound care
Objective The authors hypothesized that prior antibiotic treatment does not reduce culture positivity and that empirical antibiotic therapy in culture-negative cases does not increase the risk of amputation or recurrence in…
View details →DOI: 10.1097/asw.0000000000000425 Negative / Null Result ReportOpen accessMedicine
Woyke S, Troppmair T, Mair N et al. · 2026 · Journal of the International Society of Sports Nutrition
Background With increasing altitude, the partial pressure of oxygen and oxygen saturation (SpO 2 ) decrease, reducing physical performance. This study investigates whether the nutritional supplement Sanopal® (5-hydroxymethyl-2-furfural and…
View details →DOI: 10.1080/15502783.2026.2643684 Negative / Null Result ReportMedicine
García-Rudolph A, Hernández-Pena E, Del Cacho N et al. · 2026 · Revista espanola de enfermedades digestivas
Introduction and aim although generative language models have been extensively studied in the field of digestive diseases, further progress requires addressing underexplored aspects such as linguistic bias, the evaluation of clinical…
View details →DOI: 10.17235/reed.2025.11369/2025 Negative / Null Result ReportOpen accessMedicine
Mehdizadeh M, Smith JE, Gill J et al. · 2026 · Plastic and reconstructive surgery. Global open
Background Tranexamic acid (TXA) is commonly used to reduce intraoperative bleeding and complications across surgical specialties. In rhinoplasty, prior studies indicate that TXA may reduce postoperative edema and ecchymosis, but its…
View details →DOI: 10.1097/gox.0000000000007659 