Negative / Null Result Report
Voorhorst A, Pouzot-Nevoret C, Vernooij JC et al. · 2026 · Preprint
Intravenous lipid therapy (ILE) is used to treat neurotoxicosis in companion animals, but clinical evidence for in vivo xenobiotic partitioning and benefit remains limited. This study evaluated associations between the log n-octanol/water…
View details →DOI: 10.20944/preprints202602.1330.v1 Negative / Null Result Report
Wong BWL, Samuel AG, Kapnoula EC · 2026 · Preprint
Speech perception consistency refers to the extent to which listeners provide similar responses to repeated presentations of the same speech sound (e.g., along a /ba/–/pa/ continuum). Although recent research has demonstrated multiple…
View details →DOI: 10.31234/osf.io/gxmnr_v1 Negative / Null Result ReportMedicine
Najjar E, Khan S, Quraishi NA et al. · 2026 · European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
Background Cage subsidence is a common radiographic finding following transforaminal lumbar interbody fusion (TLIF), but its clinical relevance remains uncertain. Hounsfield Unit (HU) values from preoperative CT scans have emerged as…
View details →DOI: 10.1007/s00586-026-09906-0 Negative / Null Result ReportMedicine
Ballinger TJ, Zhao F, Jiang G et al. · 2026 · Cancer
Background Black patients with breast cancer experience higher rates of taxane-induced peripheral neuropathy (TIPN), which may compromise chemotherapy dose delivery and health-related quality of life (HRQOL). Using the prospective…
View details →DOI: 10.1002/cncr.70466 Negative / Null Result ReportMedicine
Fosstveit SH, Feron J, Lohne-Seiler H et al. · 2026 · BMC sports science, medicine & rehabilitation
Background High-intensity interval training (HIIT) was originally designed to improve athletic performance, but a growing body of research over the past decade has highlighted its positive impact on various other health outcomes. However,…
View details →DOI: 10.1186/s13102-026-01750-5 Negative / Null Result ReportMedicine
Lemos C, Vargas F, Donald EM et al. · 2026 · Journal of cardiac failure
Background Women, racial and ethnic minority groups, and patients of low socioeconomic status (SES) face barriers linked to adverse outcomes after heart transplantation (HT). Data are lacking regarding the association of these demographics…
View details →DOI: 10.1016/j.cardfail.2026.04.016 Negative / Null Result ReportMedicine
Sahlan RN, Frietchen R, Billman Miller MG et al. · 2025 · Suicide & life-threatening behavior
Objective Although previous research has established bidirectional links between many eating disorder (ED) symptoms and suicidal ideation (SI), no research has examined how symptoms of avoidant/restrictive food intake disorder (ARFID)…
View details →DOI: 10.1111/sltb.70033 Negative / Null Result ReportMedicine
Hauser N, Sommerfield D, Nguyen J et al. · 2026 · Anaesthesia
Introduction Peri-operative respiratory adverse events remain a major cause of morbidity and mortality in children undergoing general anaesthesia; those with asthma are at higher risk. The aim of this feasibility study was to determine…
View details →DOI: 10.1111/anae.70056 Negative / Null Result Report
Fasanu O, Oloruntola FP · 2026 · Preprint
Abstract Background Why is there low behavioural response towards cancer and high blood pressure (HBP) screening uptake among Nigerians? The present study addressed this question by using the theory of planned behaviour (TPB) to…
View details →DOI: 10.21203/rs.3.rs-8836769/v1 Negative / Null Result ReportMedicine
Li M, He H, Dong L et al. · 2026 · Journal of psychosomatic research
Background Patients post hepatocellular carcinoma (HCC) surgery encounter physiological challenges as well as psychological and social adaptation problems，yet the trajectory and predictors of their psychosocial adjustment (PSA) remain…
View details →DOI: 10.1016/j.jpsychores.2026.112691 Negative / Null Result ReportMedicine
Tezanos KM, Simeone A, Gerson R et al. · 2026 · Child psychiatry and human development
Youth are presenting to Emergency Departments (EDs) following a suicide-related crisis at higher rates and younger ages. Clinicians lack tools to effectively discern suicide risk in younger patients. The present investigation examines how…
View details →DOI: 10.1007/s10578-026-02006-6 Negative / Null Result ReportMedicine
Joshi S, Jahn KN · 2026 · Ear and hearing
Objectives Cochlear implants (CIs) enable people with moderate-to-profound sensorineural hearing loss to perceive sounds, but perceptual outcomes with a CI remain highly variable from person to person. Individuals who wear their CI…
View details →DOI: 10.1097/aud.0000000000001820 Negative / Null Result ReportMedicine
Ciriello GD, Colonna D, Morelli C et al. · 2026 · Indian pacing and electrophysiology journal
Fetal echocardiography plays a pivotal role in the diagnosis and management of fetal arrhythmias, allowing evaluation of the electrophysiological mechanism and guiding appropriate medical therapy. Herein, we describe our ten-year…
View details →DOI: 10.1016/j.ipej.2026.03.015 Replication FailureOpen accessMedicine
Fuse M, Rath KA, Riggs B et al. · 2026 · PloS one
Master of Science (MS) research training programs funded by organizations such as the NIH, the NSF as well as private corporations represent the potential for significant interventions for student success, especially for marginalized or…
View details →DOI: 10.1371/journal.pone.0330005 Negative / Null Result ReportMedicine
Chan ACY, Stephan AT, Sneed RS · 2026 · The journals of gerontology. Series B, Psychological sciences and social sciences
Objectives While the intensity of grandparent caregiving has been linked to older adults' health, limited research has examined the bidirectional associations between grandparenting intensity and health, particularly within grandparent…
View details →DOI: 10.1093/geronb/gbag022 Replication FailureMedicine
Zournatzidis P, Luyten P, Fonagy P et al. · 2026 · Attachment & human development
Children in institutions often develop insecure attachments. Although recovery is observed in childhood and adolescence, evidence in adulthood is limited. This pre-registered study compared adoptees with institutional experience and…
View details →DOI: 10.1080/14616734.2026.2632638 Negative / Null Result ReportMedicine
O'Shaughnessy J, Brufsky AM, Layeequr Rahman R et al. · 2026 · JCO precision oncology
Purpose Randomized trials have not demonstrated clear benefit from anthracyclines for patients with hormone receptor-positive, human epidermal growth factor receptor 2-negative (HER2-) early breast cancer (EBC). The MammaPrint 70-gene…
View details →DOI: 10.1200/po-25-01285 Negative / Null Result ReportMedicine
Xiao H, Warner E, Ryan J et al. · 2026 · Cancer causes & control : CCC
Purpose Cancer-related cognitive impairment (CRCI) is a common concern among breast cancer (BC) patients receiving chemotherapy, yet predictors of short-term cognitive change remain unclear. This study examined whether baseline…
View details →DOI: 10.1007/s10552-026-02165-w Negative / Null Result Report
Tsokolas ZE, Asante I, Tsiknia AA et al. · 2026 · Preprint
Abstract Apolipoprotein E ε4 (APOE4) is the strongest genetic risk factor for late-onset Alzheimer's disease (AD), yet whether its pathogenic effects are driven by HDL lipidation state or by elevated APOE4 levels in the CNS remains…
View details →DOI: 10.21203/rs.3.rs-9349576/v1 Negative / Null Result ReportMedicine
William JB, Chieng D, Crowley R et al. · 2026 · JACC. Clinical electrophysiology
Background Left atrial (LA) enlargement is commonly used in patient selection for catheter ablation. However, its role in predicting postablation outcomes in persistent atrial fibrillation (AF) remains uncertain. Objectives The study goal…
View details →DOI: 10.1016/j.jacep.2026.04.019 Negative / Null Result ReportMedicine
Alpert E, Kaplan A, Nelson D et al. · 2026 · Psychological trauma : theory, research, practice and policy
Objective Among patients with co-occurring posttraumatic stress disorder (PTSD) and substance use disorders (SUDs), little is known about early PTSD treatment processes, including treatment preference and outcome expectancy. This study…
View details →DOI: 10.1037/tra0002161 Negative / Null Result ReportMedicine
Cohen H, Toro D, Zuluaga D et al. · 2026 · Clinical transplantation
Introduction To evaluate donor-stratified graft and patient survival following kidney transplantation (KT) for lithium-associated end-stage kidney disease (ESKD). Methods This retrospective analysis utilized the Organ Procurement and…
View details →DOI: 10.1111/ctr.70563 Negative / Null Result ReportMedicine
Yang L, Zhang H, Wei Y et al. · 2026 · American journal of hematology
Immunosuppressive therapy (IST) is the standard treatment for acquired pure red cell aplasia (aPRCA), but predictors of treatment response and long-term prognosis remain unclear. The clinical significance of somatic mutations in aPRCA is…
View details →DOI: 10.1002/ajh.70311 Negative / Null Result ReportOpen accessMedicine
Vellore AJ, Bhatia S, Kann MR et al. · 2026 · JMIR XR and spatial computing
Background Augmented reality (AR) can provide risk-free training for medical trainees, yet little is known about which learner characteristics facilitate adoption or inform training design. Objective We aimed to identify which learner…
View details →DOI: 10.2196/81236 Negative / Null Result ReportMedicine
Denfeld QE, Hiatt SO, Dieckmann NF et al. · 2026 · The Journal of cardiovascular nursing
Many adults with heart failure (HF) are physically frail, and HF self-care behaviors, especially symptom monitoring and management (SMM), may affect physical frailty; however, the association between SMM behaviors and physical frailty has…
View details →DOI: 10.1097/jcn.0000000000001342 Negative / Null Result ReportMedicine
Axelsen JK, Boesen L, Bisbjerg R et al. · 2026 · Scandinavian journal of urology
Objective To compare adjustable continence balloons (ProACT) implanted above the pelvic floor with or without subsequent placement of a third balloon (AP) with a modified technique placing balloons below the pelvic floor (BP). Materials…
View details →DOI: 10.2340/sju.v61.45579 Negative / Null Result ReportMedicine
Koch M, Mostert J, Strijbis EM et al. · 2026 · Journal of neurology, neurosurgery, and psychiatry
Background Phase 2 clinical trials in primary progressive multiple sclerosis (PPMS) often use MRI brain volume measures as their primary endpoint. Here, we investigate the longitudinal association between change in MRI outcomes and change…
View details →DOI: 10.1136/jnnp-2025-337940 Negative / Null Result ReportMedicine
Lee SJ, Han HH, Eom JS et al. · 2026 · Plastic and reconstructive surgery
Background The deep inferior epigastric perforator (DIEP) flap is widely used in autologous breast reconstruction, with its success heavily reliant on the vascular anatomy, particularly midline crossing-over vessels that facilitate…
View details →DOI: 10.1097/prs.0000000000012864 Negative / Null Result ReportMedicine
Raudeberg R, Iverson GL · 2026 · Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists
Objective The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) is a brief neuropsychological screening battery that measures aspects of attention, immediate and delayed memory, and verbal and…
View details →DOI: 10.1093/arclin/acaf104 Negative / Null Result ReportMedicine
Hems T · 2026 · The Journal of hand surgery, European volume
There is significant interest in research on the pathology, natural history and treatment of brachial plexus birth injury. This article comments on a few newly published papers in the Journal of Hand Surgery (European Volume) to highlight…
View details →DOI: 10.1177/17531934251408606 