Negative / Null Result ReportOpen accessMedicine
Abdelgawad AH, Elhawy MA, Hussein AAHF et al. · 2026 · Urology research & practice
Objective Retrograde intrarenal surgery (RIRS) is the first-line treatment for kidney stones between 1 and 2 cm and can serve as an alternative to percutaneous nephrolithotomy for larger stones in high-risk patients, including those with…
View details →Negative / Null Result ReportMedicine
Shen M, Li H, Liu H et al. · 2026 · Orthopaedic surgery
Background To explore the influence of the new stage and classification system based on the correlation between MRI and pathological features on the collapse, symptoms, and function of femoral head necrosis. Existing radiographic staging…
View details →Negative / Null Result Report
Bhochhibhoya A, Maskey B, Shrestha R et al. · 2025 · Preprint
Abstract Background. Artificial intelligence (AI) chatbots are considered a potential resource for dental education. However, there is still a lack of adequate knowledge regarding the trustworthiness, validity, and utility of the content…
View details →Negative / Null Result ReportOpen accessMedicine
Scalia IG, Abdelfattah FE, Farina JM et al. · 2026 · Cardio-oncology (London, England)
BACKGROUND: Severe carcinoid heart disease (CaHD) may require bioprosthetic valve (BPV) replacement. Lutetium-177 (Lu-177) DOTATATE is increasingly utilized in patients with neuroendocrine tumors (NETs); however, its effect on BPVs remains…
View details →Negative / Null Result ReportOpen accessMedicine
Chantre-Justino M, Silvestre RT, Delmonico L et al. · 2026 · World journal of oncology
Background Bone sarcomas are rare and heterogeneous malignant neoplasms of mesenchymal origin, often associated with poor clinical outcomes. Being rare neoplasms, a comprehensive analysis of the molecular mechanisms involved in the tumor…
View details →Negative / Null Result ReportOpen accessMedicine
Akyuz C, Sunamak O, Selman A et al. · 2026 · Journal of clinical medicine
Background : Signet-ring cell colorectal cancer (SRCC) and colorectal cancer with a signet-ring cell component (SRC) are rare histological subtypes associated with poor prognosis. Although these entities are classified separately based on…
View details →Negative / Null Result ReportOpen accessMedicine
Fuchida H, Sawada D, Hirota T et al. · 2026 · Toxicology reports
Objective Lactobacillus gasseri CP2305 (L. gasseri CP2305) has been reported to exert intestinal regulatory, anti-stress, and sleep-improving effects in healthy adults. This study aimed to evaluate the safety of an excessive intake of L.…
View details →Negative / Null Result ReportMedicine
Alheany ARA, Abdulkareem AZ, Abdullah ZA et al. · 2026 · Asian Pacific journal of cancer prevention : APJCP
Background Hodgkin lymphoma (HL) arises from germinal center B cells through complex viral, genetic, and environmental factors. This study examines HHV-6B infection and the IL-18 rs1946518 polymorphism as potential contributors to…
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Balasekaran G, Boey P, Ng YC · 2026 · Preprint
Abstract Purpose To develop and validate the OMNI RPE Color-Face Scale (CFS) on adults. Methods A total of 28 healthy participants were recruited for the study which involved scale development and validation. Scale development –…
View details →Negative / Null Result ReportMedicine
McCoy J, Gatt D, Shaw M et al. · 2026 · Pediatric pulmonology
Rationale Primary ciliary dyskinesia (PCD) is a phenotypically diverse disease; the impact of nutritional status on clinical trajectories in patients with PCD is not well defined. The aim of this study is to examine the impact of…
View details →Negative / Null Result ReportOpen accessMedicine
Liu J, Wu Y, Yang D et al. · 2026 · BMC medical imaging
BACKGROUND: Glomerulonephritis (GN) is a major contributor to chronic kidney disease, highlighting the need for reliable biomarker to monitor GN. This study aimed to evaluate the potential of diffusion kurtosis imaging (DKI) for dynamic…
View details →Negative / Null Result ReportMedicine
Ojinnaka GC, Okoye OI, Ojinnaka NC et al. · 2026 · Journal of tropical pediatrics
To compare the academic performance of urban primary school children with strabismus and/or amblyopia seen at the Eye Clinic of University of Nigeria Teaching Hospital (UNTH), Ituku-Ozalla, Enugu, Nigeria, with that of their controls. In…
View details →Negative / Null Result ReportMedicine
Ji RT, Xie XF, Jia ZY et al. · 2026 · Huan jing ke xue= Huanjing kexue
Cultivating salt-tolerant rice （STR） is an effective approach to ameliorating coastal saline soils （CSL）. In this study， the CSL without STR cultivation served as the control （CK）， while soils with different rice cultivation years （1-5…
View details →Negative / Null Result ReportOpen accessMedicine
Capraru TD, Bauer TC, Jordan P et al. · 2026 · Frontiers in aging neuroscience
Background Hepatitis E virus (HEV) exposure has been linked to neurologic manifestations and dementia. This study aims to clarify a possible association between HEV and Alzheimer's disease (AD). Methods We performed a single-center…
View details →Negative / Null Result ReportOpen accessMedicine
Peng H, Dong B, Naren G et al. · 2026 · Frontiers in microbiology
Introduction Grassland desertification substantially reduces soil organic carbon (SOC) stocks. However, the responses of two distinct SOC fractions-mineral-associated organic carbon (MAOC) and particulate organic carbon (POC)-to…
View details →Negative / Null Result ReportOpen accessMedicine
Albayrak B, Kader İT, Köroğlu EN et al. · 2026 · BMC oral health
BACKGROUND: The purpose of this in vitro study was to compare the distance and angular accuracy of current intraoral scanners and photogrammetry devices in a full-arch implant model. METHODS: Six multi-unit abutment replicas (Astra Tech…
View details →Negative / Null Result Report
Zhang Y, Dai Z, Zhao Y et al. · 2026 · Preprint
Abstract Objective: This study aims to investigate the effect of donor age on the early recovery of liver function following liver transplantation, as well as to assess the incidence and risk factors associated with arterial complications…
View details →Negative / Null Result ReportOpen accessMedicine
Drews G, Migliorini F, Götze C et al. · 2026 · BMC musculoskeletal disorders
BACKGROUND: Sex-based analyses in total hip arthroplasty have become increasingly important in understanding the nuanced outcomes and risks associated with this surgical procedure. Recent studies analyzed the complex interplay between…
View details →Negative / Null Result ReportOpen accessMedicine
Ren S, Zhang L, Zhai Y et al. · 2026 · Journal of cardiovascular development and disease
Background Adults with congenital heart disease (CHD) are at markedly increased risk of infective endocarditis (IE); however, data comparing clinical characteristics and outcomes in surgically treated IE patients with and without CHD…
View details →Negative / Null Result ReportMedicine
Gezginci Akpinar E, Cabi Z · 2026 · Gastroenterology nursing : the official journal of the Society of Gastroenterology Nurses and Associates
The aim of this study was to evaluate the effect of virtual reality goggles on pain, anxiety, and comfort in patients undergoing non-sedated upper gastrointestinal tract endoscopy. This randomized controlled study was conducted with 60…
View details →Negative / Null Result ReportMedicine
Coppola G, Verna C, Michelotti A et al. · 2026 · American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics
Background Although esthetic concerns are a primary motivation for seeking orthodontic treatment, few studies with strong protocols have evaluated its impact on facial and smile attractiveness as perceived by laypeople. This study aimed to…
View details →Negative / Null Result ReportOpen accessMedicine
Pisanò CA, Santino ML, Russotto A et al. · 2026 · iScience
Sleep disorders are common in Parkinson's disease (PD) and respond poorly to current pharmacological treatments, partly due to limited understanding of their underlying mechanisms. Using polysomnographic recordings, we investigated the…
View details →Negative / Null Result ReportMedicine
Marghmaleki MS, Rostami S, Mojtahedi MF et al. · 2026 · Recent advances in inflammation & allergy drug discovery
Introduction The study aimed to investigate the effect of vitamin D (Vit D) supplementation on serum levels and gene expression of interleukin-10 (IL-10) and IL-35 in women with unexplained recurrent spontaneous abortion (uRSA). Methods In…
View details →Negative / Null Result ReportMedicine
Bartsch F, Scholz C, Gröger LK et al. · 2026 · Frontiers in surgery
Background Since the first data of the BILCAP trial was presented in 2017, capecitabine became standard adjuvant treatment for intrahepatic cholangiocarcinoma (ICC). For ICC, the efficacy of capecitabine on survival outcomes remains…
View details →Negative / Null Result ReportMedicine
Ferrillo M, Daly K, Pandis N et al. · 2026 · International orthodontics
Introduction Extractions may be helpful in the relief of crowding and in incisal retraction. While extractions may help to control the vertical dimension, their effect is not clear-cut. Four premolar extractions (FPE) may be more potent in…
View details →Negative / Null Result ReportOpen access
Lasbareilles C, Mancini V, Pogosyan A et al. · 2026 · Preprint
BACKGROUND Theta-gamma phase-amplitude coupled (θγ-PAC) oscillations in primary motor cortex (M1) have been shown to support motor skill acquisition. Past research has shown that driving gamma activity at the theta peak (TGP), but not the…
View details →Negative / Null Result Report
Ansorena X, Quiñones I, Hernandez M et al. · 2026 · Preprint
Purpose: We present the clinical case of AB, a right-handed individual who experienced a stroke affecting the right temporo-parietal cortex, resulting in phonological short-term memory (pSTM) impairment. Functional MRI revealed…
View details →Negative / Null Result ReportMedicine
Chittenden C, Bills WR, Dangal NK et al. · 2026 · Plant disease
This study investigates the impact of seeding rate, cultivar architecture, and fungicide application on soybean canopy penetration, disease severity, and yield. Field trials conducted in Iowa in 2022, 2023, and 2025 included two soybean…
View details →Negative / Null Result Report
Yu J, Mangal U, Liu J et al. · 2026 · Preprint
Abstract Objectives This study evaluated the effects of restorative materials and intraoral scanners on the mesh data quality of dental models and the accuracy of 3D-printed clear aligners. Materials and methods Reference scan data were…
View details →Negative / Null Result Report
Kijkasiwat P, Phoemsanam A, Yang L et al. · 2026 · Preprint
Abstract This study examines the relationship between internal financial factors and the profitability of banks in Laos. Data were collected from 27 commercial banks that publicly disclosed their annual financial statements over a…
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