Negative / Null Result Report
Olson-Manning CF, Acharya S, Matuck L et al. · 2026 · Preprint
Abstract Plant hybridization often alters herbivore-relevant traits, yet the effects of hybrid feeding on specialist herbivores, especially those that co-opt host-plant defenses, are largely unknown. We examined how naturally derived…
View details →DOI: 10.21203/rs.3.rs-9919052/v1 Negative / Null Result ReportMedicine
Fujii S, Hirai S, Fujita K et al. · 2026 · Neurologia medico-chirurgica
Flow diverter braid deformation is occasionally observed after flow diverter placement. However, the frequency and clinical significance of flow diverter braid deformation in non-drawn filled tube wire devices remain unclear. This…
View details →DOI: 10.2176/jns-nmc.2025-0435 Negative / Null Result ReportMedicine
Ntaka KL, Mpanya D, Adamu UG et al. · 2026 · Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions
Background The radial artery is the preferred access for performing diagnostic coronary angiograms (DCA). However, data on the safety and efficacy of radial compared to femoral access in low- and middle-income countries is limited. Aims…
View details →DOI: 10.1002/ccd.70654 Negative / Null Result ReportMedicine
Ižarik Verešpejová A, Grendár M, Kertys M et al. · 2026 · Biomolecules
Bile acids (BA) are increasingly recognized as signaling molecules involved in metabolic regulation and inflammatory processes, both of which are relevant to Parkinson's disease (PD). However, their role in PD and disease progression…
View details →DOI: 10.3390/biom16060875 Negative / Null Result ReportMedicine
Gucluer Kocaoglu MN, Kahraman H, Nayman S et al. · 2026 · BMC infectious diseases
Background Staphylococcus aureus bacteremia (SAB) is associated with substantial short-term mortality, but the relative contributions of methicillin resistance, treatment adequacy, and host-related factors to outcome remain unclear. This…
View details →DOI: 10.1186/s12879-026-13847-w Negative / Null Result ReportMedicine
Sun J, Xiong Y, Qiu J et al. · 2026 · Annals of surgical oncology
Background Locally advanced thymic epithelial tumors (TETs) may extend into the adjacent brachiocephalic vein (BCV), creating major technical challenges for resection. While BCV reconstruction is traditionally considered after tumor…
View details →DOI: 10.1245/s10434-026-19935-0 Negative / Null Result Report
Sanchez MAC, Ruiz J, Siffredi J et al. · 2026 · Preprint
Abstract Background: Posterior sagittal anorectoplasty (PSARP) remains the standard surgical approach for rectobulbar fistula in patients with anorectal malformations (ARM). Laparoscopically assisted anorectoplasty (LAARP) has emerged as…
View details →DOI: 10.21203/rs.3.rs-9556600/v1 Negative / Null Result ReportMedicine
Lis M, Miłuch T, Krupa R et al. · 2026 · Scientific reports
Major depressive disorder (MDD) frequently co-occurs with obesity, suggesting shared neuroendocrine mechanisms. Ghrelin, a hormone involved in appetite regulation, stress response, and reward processing, has been proposed as a biological…
View details →DOI: 10.1038/s41598-026-54095-x Negative / Null Result ReportMedicine
Chao M, Wang Y, Gu L · 2026 · The Psychiatric quarterly
Short video platforms like TikTok are increasingly popular among adolescents. The study investigated the correlation between adolescent short video use (SVU) patterns and psychological well-being. Using a sample of 2,344 Chinese junior and…
View details →DOI: 10.1007/s11126-026-10292-5 Negative / Null Result ReportMedicine
Oteir A, Husein M, Alhawatmeh H et al. · 2026 · International emergency nursing
Background Spinal motion restriction (SMR) remains a fundamental component of trauma care, yet its routine application has been increasingly questioned. Evidence supporting selective SMR has grown; however, limited data exist on the…
View details →DOI: 10.1016/j.ienj.2026.101857 Negative / Null Result ReportMedicine
Suraju MO, Longbottom B, Peteson JA et al. · 2026 · American journal of surgery
Introduction Factors influencing mortality among pancreatic ductal adenocarcinoma (PDAC) patients who achieve pathologic complete response (pCR) following neoadjuvant therapy have not been previously well studied. Methods Adult PDAC…
View details →DOI: 10.1016/j.amjsurg.2026.117093 Negative / Null Result ReportMedicine
Kate A, Wannapanich T, Mandell J et al. · 2026 · American journal of ophthalmology
Purpose To compare clinical characteristics, microbiological profiles, treatment strategies, and outcomes between contact lens-associated (CL) and non-contact lens-associated (non-CL) fungal keratitis. Design Retrospective, comparative…
View details →DOI: 10.1016/j.ajo.2026.06.017 Negative / Null Result ReportMedicine
Fresa R, Napoli A, Bitterman O · 2026 · Acta diabetologica
Introduction the use of Automated Insulin Delivery (AID) systems has increased in pregnant women with type 1 diabetes (DM1). To date, little data exist regarding glucose control and insulin modifications with AID in automode during…
View details →DOI: 10.1007/s00592-026-02733-1 Negative / Null Result ReportMedicine
Lee YJ, Moon SW · 2026 · Journal of clinical medicine
Background/Objectives : In February 2024, a nationwide medical crisis in South Korea caused a massive withdrawal of resident physicians. We described changes in patient characteristics and early clinical outcomes among emergency department…
View details →DOI: 10.3390/jcm15124804 Negative / Null Result ReportMedicine
Solazzo EM, Jarabana SG, Baird J et al. · 2026 · Rhode Island medical journal (2013)
Objectives Pre-hospital emergency care depends on reliable infrastructure. On December 11, 2023, the westbound span of the Washington Bridge connecting eastern and western Rhode Island (RI) closed emergently due to structural issues. This…
Negative / Null Result ReportMedicine
Shapiro G, Kamm JM, Wintrode M et al. · 2026 · The Clinical neuropsychologist
Objective: Evaluations for attention-deficit/hyperactivity disorder (ADHD) in adulthood typically incorporate both self-report questionnaires and performance-based cognitive testing. Extant research has demonstrated weak or absent…
View details →DOI: 10.1080/13854046.2026.2687583 Negative / Null Result ReportMedicine
Majewski MS, Hanć A, Krajewska-Włodarczyk M et al. · 2026 · Nutrients
Background/Objectives : Red beetroot ( Beta vulgaris L.) is recognized for its antioxidant, anti-inflammatory, and metabolic properties. This study evaluated the effects of two beetroot cultivars ( Boldor and Wodan ) on blood serum…
View details →DOI: 10.3390/nu18122016 Negative / Null Result ReportMedicine
Wen YP, Brauer ER, Choi S et al. · 2026 · BMC public health
Background Cancer survivors are twice as likely to experience psychological distress, with racial and ethnic minorities reporting higher distress and healthcare needs compared to non-Hispanic White Americans. However, this group is more…
View details →DOI: 10.1186/s12889-026-28276-2 Negative / Null Result Report
Mirandette KS, Sahasrabudhe A, Slowikowski M et al. · 2026 · Preprint
Objectives To determine how selective optogenetic vagus nerve stimulation (VNS) of distinct axonal subpopulations modulates systemic inflammatory cytokines in an acute model of endotoxemia. Materials and Methods A silicone spiral nerve…
View details →DOI: 10.64898/2026.06.10.731452 Negative / Null Result ReportMedicine
Maeda K, Funahashi H, Tokutake K et al. · 2026 · International orthopaedics
Purpose This study aimed to evaluate postoperative outcomes, including clinical results, radiological assessments, and complications, in patients over 50 years old with nondisplaced femoral neck fractures (Garden classification I-II)…
View details →DOI: 10.1007/s00264-026-06870-8 Negative / Null Result ReportMedicine
Liu Y, Liu L, Wang J et al. · 2026 · Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
Objective Nephrotoxicity of bisphosphonates limits their utility in the management of severe hypercalcemia among patients with primary hyperparathyroidism (PHPT) and impaired renal function. It remains unclear whether denosumab is an…
View details →DOI: 10.1016/j.eprac.2026.05.034 Negative / Null Result ReportMedicine
Zheng J, Chen M, Fu J · 2026 · BMC oral health
Background This retrospective cohort study evaluated a Locator-bilateral segmental bar concept (LBSB) for maxillary implant-supported overdentures and compared it with a conventional rigid bar concept (CRB) in terms of implant survival,…
View details →DOI: 10.1186/s12903-026-08764-y Negative / Null Result ReportMedicine
Gentile T, Vanacore S, Caputo M et al. · 2026 · Children (Basel, Switzerland)
Background/objectives Dental anxiety represents a major challenge in paediatric dentistry and is a frequent cause of non-cooperative behaviour during dental treatment. Nitrous oxide/oxygen inhalation conscious sedation is widely used to…
View details →DOI: 10.3390/children13060812 Negative / Null Result Report
Kurz S, Habich O, Brauer K et al. · 2026 · Preprint
Abstract Purpose To evaluate whether patients aged > 75 years with spinal cord injury (SCI) benefit from specialized inpatient rehabilitation, focusing on functional outcomes and discharge destination. Methods This retrospective…
View details →DOI: 10.21203/rs.3.rs-9332195/v1 Negative / Null Result ReportMedicine
Aucoin AA, Zhidkov V, Legere RM et al. · 2026 · American journal of veterinary research
Objective To characterize age-related trajectories of the relative concentrations of anti-virulence-associated protein A (VapA) immunoglobulin (Ig)-G1, IgG3/5, IgG4/7, and IgA in serum and bronchoalveolar lavage fluid (BALF) as indicators…
View details →DOI: 10.2460/ajvr.25.11.0402 Negative / Null Result ReportMedicine
Wang X, Li W, Wang F et al. · 2026 · Pain management nursing : official journal of the American Society of Pain Management Nurses
Purpose The objective of this study was to evaluate whether combining pain neuroscience education (PNE) with progressive muscle relaxation (PMR) could reduce acute pain after thoracoscopic lung resection, alleviate psychological distress,…
View details →DOI: 10.1016/j.pmn.2026.03.024 Negative / Null Result ReportMedicine
Chen L, Xu D, Hou L · 2026 · Medical principles and practice : international journal of the Kuwait University, Health Science Centre
Background/objective Prone percutaneous nephrolithotomy (PCNL) is commonly performed under general anesthesia (GA); however, increasing evidence supports the feasibility of PCNL under spinal anesthesia (SA). This study presents our…
View details →DOI: 10.1159/000552326 Negative / Null Result ReportMedicine
Mao W, Lu N · 2026 · Journal of investigative surgery : the official journal of the Academy of Surgical Research
Objective To evaluate short-term clinical outcomes, surgeon-reported fatigue, and staff user experience associated with a multifunctional operative support arm in reproductive laparoscopic surgery. Design Single-center, parallel-group…
View details →DOI: 10.1080/08941939.2026.2668806 Negative / Null Result Report
Sorjonen K, Melin B, Melin M · 2026 · Preprint
Based on prospective cross-lagged effects, Zhou and Wang concluded that emotional intelligence and psychological empowerment contribute to increased work engagement among university administrators. However, it is well known that…
View details →DOI: 10.31234/osf.io/2ae4w_v1 Negative / Null Result ReportMedicine
Lee JR, Choi H, Eum D et al. · 2026 · Anesthesia and pain medicine
Background Intravenous (IV) administration of dexamethasone has been reported to prolong the analgesic duration of a caudal block. The aim of this study was to compare the analgesic effects of IV low-dose and high-dose dexamethasone in…
View details →DOI: 10.17085/apm.25382 