Negative / Null Result ReportMedicine
Su YS, Liu HY, Chen CY et al. · 2026 · Surgical endoscopy
Background This nationwide cohort study compared long-term subsequent benign biliary events and biliary tract malignancy in patients with gallstone ileus treated with or without concomitant cholecystectomy. Methods This retrospective…
View details →DOI: 10.1007/s00464-025-12536-0 Negative / Null Result ReportMedicine
Coleman-Belin JC, Zhang KK, Cohen Z et al. · 2026 · Journal of surgical oncology
Background and objectives Tumor involvement of the posterior mandible often requires resection of the mandibular condyle and associated soft tissue. This study explores clinical and patient-reported outcomes (PROs) associated with condyle…
View details →DOI: 10.1002/jso.70182 Negative / Null Result ReportMedicine
Gouda A, Arshad MZ, Andrysek J · 2026 · PloS one
Gait training is an important part of rehabilitation for prosthetic users, improving mobility and long-term health outcomes. This study investigated the effects of rhythmic auditory stimulation (RAS) on gait symmetry and overall movement…
View details →DOI: 10.1371/journal.pone.0351930 Negative / Null Result ReportMedicine
Abdallah N, Kursun K, Baylan M · 2026 · Tropical animal health and production
This study investigated the effect of eggshell translucency on egg weight, embryonic development, hatching traits, chick quality, post-hatch growth, carcass, and organ traits at 7 days of age in broiler chickens. A total of 300 hatching…
View details →DOI: 10.1007/s11250-026-04899-w Negative / Null Result ReportOpen accessMedicine
He GQ, Chen Y, Liao HJ et al. · 2026 · Molecular medicine reports
Following the publication of the above article, the authors have contacted the Editor to explain that, regarding the immunofluorescence experiments shown in Fig. 3 on p. 5089, the data correctly shown in Fig. 3I (for the 'V‑ctrl+DMSO+R 24…
View details →DOI: 10.3892/mmr.2026.13833 Negative / Null Result Report
Mueller S, Mackin R · 2026 · Preprint
Background The brainstem and its different sub-systems control essential functions such as motor agility etc. that worsen with age. The purpose of this study was: 1. To assess the impact of age-related volume loss within three brainstem…
View details →DOI: 10.64898/2026.05.21.726989 Negative / Null Result ReportMedicine
Brusalis CM, Glenday J, Fu MC et al. · 2026 · Journal of shoulder and elbow surgery
Background Compared with the traditional Grammont design, modern reverse total shoulder arthroplasty (rTSA) implant designs often introduce lateralization of the glenoid and/or humeral components. This study aimed to evaluate the impact of…
View details →DOI: 10.1016/j.jse.2026.02.021 Negative / Null Result ReportMedicine
Lin G, Tang B, Niu Y et al. · 2026 · BMC psychology
Mathematical ability is widely recognized as a core indicator of students' cognitive development and academic achievement. However, in classroom environments where artificial intelligence (AI)-supported instruction is increasingly…
View details →DOI: 10.1186/s40359-026-04994-5 Negative / Null Result ReportMedicine
Baran EK, Oncu A, Celikten B · 2026 · Australian endodontic journal : the journal of the Australian Society of Endodontology Inc
This study evaluated effect of calcium hydroxide (CH) medicaments prepared with distilled water, glycerin and chlorhexidine (CHX) gel on dentinal tubule penetration of epoxy resin- and tricalcium silicate-based sealers using confocal laser…
View details →DOI: 10.1111/aej.70093 Negative / Null Result Report
Fernando K, Fernando N, Jayasekara D et al. · 2026 · Preprint
Point-of-care testing (POCT) for cardiac troponin is increasingly used to support rapid clinical decision-making, particularly in resource-limited settings. However, while many central laboratories, including those in Sri Lanka, now use…
View details →DOI: 10.20944/preprints202605.1183.v1 Negative / Null Result Report
Mandal C, Paria M · 2026 · Preprint
Abstract This study examined differences in problem-solving skill and its three dimensions-problem-solving confidence, approach-avoidance style, and personal control-among undergraduate students in relation to gender, stream of study, and…
View details →DOI: 10.21203/rs.3.rs-9339646/v1 Negative / Null Result ReportOpen accessMedicine
Jessup SC, Zald DH, Olatunji BO · 2026 · Journal of affective disorders
Endophenotypes (intermediate phenotypes) are traits hypothesized to represent genetic risk for disorders such as OCD. However, it is unclear if disgust conditioning abnormalities may function as an OCD endophenotype. The present study…
View details →DOI: 10.1016/j.jad.2026.121619 Negative / Null Result Report
Omid A, Changiz T, Ghasemi S et al. · 2026 · Preprint
Introduction Shadowing, as an educational method based on active observation, can foster a realistic understanding of professional roles and enhance the communication skills of medical students. This study aimed to design, implement, and…
View details →DOI: 10.64898/2026.06.10.26355363 Negative / Null Result Report
Acar-Sahan S, Gungor M, Eskiyurt B et al. · 2026 · Preprint
Abstract Purpose Carbetocin and oxytocin are widely used uterotonic agents for postpartum hemorrhage prevention; however, sequential administration may influence uterine contractility. Evidence regarding their combined and sequential…
View details →DOI: 10.21203/rs.3.rs-9505322/v1 Negative / Null Result ReportMedicine
Kong K, Qiang Z, Yang Y et al. · 2026 · The international journal of medical robotics + computer assisted surgery : MRCAS
Background Surgical robots offer improved precision and stability for laparoscopy; nevertheless, their limited portability and high cost impede broader clinical applications. Methods This paper proposes a hand-held surgical robot with an…
View details →DOI: 10.1002/rcs.70176 Negative / Null Result ReportMedicine
Serretti A · 2026 · Journal of affective disorders
Background Depressive symptoms are major determinants of outcome in bipolar disorder. We examined whether baseline anhedonia-related symptom severity was associated with subsequent clinical wellness. Methods We analyzed longitudinal data…
View details →DOI: 10.1016/j.jad.2026.122119 Negative / Null Result Report
Mahboub S, Elgammal A, Elaw R et al. · 2026 · Preprint
Abstract Background Chronotype, an individual's natural preference for sleep-wake timing, influences physiological processes and health outcomes. Evening chronotype has been associated with poorer sleep quality and reduced health-related…
View details →DOI: 10.21203/rs.3.rs-9955044/v1 Negative / Null Result ReportMedicine
Boasen J, Giroux F, Duchesneau MO et al. · 2026 · Scientific reports
Characterizing brain activities underlying text availability in an ecologically valid context and identifying whether aspects of these activities are influenced by one's state of cognitive absorption (CA) are important yet unexplored lines…
View details →DOI: 10.1038/s41598-026-56620-4 Negative / Null Result ReportMedicine
Bellmann A, Oostwoud Wijdenes L, Medendorp WP · 2026 · Journal of neurophysiology
Everyday tasks often involve multiple reaching movements in a sequence, where the choices made for one movement also affect the conditions for subsequent movements. Previous research indicates that humans are capable of planning ahead to…
View details →DOI: 10.1152/jn.00457.2025 Negative / Null Result Report
Ispas A, Brunet D, Saadi R et al. · 2026 · Preprint
Background: Conduction disturbances and the subsequent need for permanent pacemaker implantation (PPMI) remain a major limitation of transcatheter aortic valve replacement (TAVR) with self-expanding transcatheter heart valves (SE-THVs).…
View details →DOI: 10.20944/preprints202606.0545.v1 Negative / Null Result ReportMedicine
Harriger JA, Brown SA, Chung HG et al. · 2026 · Body image
This study investigated the effects of exposure to unfiltered vs. filtered idealized TikTok videos in a sample of 299 adult women, ages 18-83-years-old. Participants were randomly assigned to view idealized unfiltered, idealized filtered,…
View details →DOI: 10.1016/j.bodyim.2026.102030 Negative / Null Result ReportMedicine
Moon C, Attinger E · 2026 · Psychological reports
Drug misuse is a longstanding public health issue that has prompted research on what factors influence an individual's intent to use. Personality traits, particularly narcissism, have been identified as significant predictors of drug use.…
View details →DOI: 10.1177/00332941261446929 Negative / Null Result Report
Commuri V, Fisher C, Karunathilake IMD et al. · 2026 · Preprint
Older adults often report increased difficulty understanding speech in noisy listening environments. These difficulties are thought to arise from neurophysiological changes associated with aging, including at the level of cortex. Speech…
View details →DOI: 10.64898/2026.06.06.730575 Negative / Null Result ReportMedicine
Friedrich L, Walgenbach M, O Connor M et al. · 2026 · Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing
BACKGROUND: Left ventricular lead (LVL) implantation can be challenging in Cardiac Resynchronization Therapy (CRT). Therefore, contrast is commonly used to visualize the coronary venous system. However, contrast use is correlated with…
View details →DOI: 10.1007/s10840-026-02283-0 Negative / Null Result ReportMedicine
Barrett AE, Soulie B, Mimbs H et al. · 2026 · International journal of aging & human development
Drowsy driving is a major cause of motor vehicle injuries and fatalities, yet little is known about its impact on older adults. This group may face heightened risk due to age-related sleep issues. Using survey data from 3,411 Floridians…
View details →DOI: 10.1177/00914150261445628 Negative / Null Result ReportMedicine
Garrido-Castro AC, Graham N, Li KX et al. · 2026 · Nature communications
This multi-institutional randomized phase II clinical trial (NCT03414684) investigated the efficacy and safety of carboplatin plus nivolumab compared to carboplatin in metastatic triple-negative breast cancer (mTNBC). The primary endpoint…
View details →DOI: 10.1038/s41467-026-73085-1 Negative / Null Result Report
Žilytė A, Petrikaitė V · 2026 · Preprint
In this study, we evaluated the impact of different in vitro 3D culture modelling methods on the activity of doxorubicin (DOX) and 5-fluorouracil (5-FU) in human melanoma spheroids. Human melanoma A375 and IGR39 spheroids were generated…
View details →DOI: 10.64898/2026.05.12.724514 Negative / Null Result ReportMedicine
Tomoi Y, Takahara M, Soga Y et al. · 2026 · Journal of cardiology
Background Although sodium-glucose cotransporter-2 inhibitors (SGLT2i) are recommended for patients with diabetes mellitus (DM) and peripheral artery disease (PAD), their effects on limb-related outcomes remain uncertain, and their use…
View details →DOI: 10.1016/j.jjcc.2026.06.012 Negative / Null Result ReportMedicine
Karaca BŞ, Alşen Güney S · 2026 · Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence
This study examined the association between caregiver anxiety, ADHD symptom severity, and metacognitive awareness in children with attention-deficit/hyperactivity disorder (ADHD), and evaluated whether metacognitive awareness mediates the…
View details →DOI: 10.1080/09297049.2026.2681661 Negative / Null Result ReportMedicine
Kim HC, Park KJ · 2026 · Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine
Objectives To evaluate the effect of the 'Get Set-Train Smarter' warm-up program on injury incidence, type, and severity in elite Adolescent and Young Adult (AYA) Taekwondo athletes. Design Cluster-randomized controlled trial. Setting…
View details →DOI: 10.1016/j.ptsp.2026.101943 