Negative / Null Result ReportMedicine
Tabeta A, Tsutsumi Y, Hoshi H et al. · 2026 · BMC surgery
Background Perforated peptic ulcer is a critical emergency disease requiring surgery, and postoperative intra-abdominal abscess (IAA), an organ/space surgical site infection (SSI), is a common complication. Intraoperative irrigation is a…
View details →DOI: 10.1186/s12893-026-03813-3 Negative / Null Result ReportMedicine
Hsu JZ, Gu K, Nguyen B et al. · 2026 · The Annals of otology, rhinology, and laryngology
Objective Estrogen has been found to impact cochlear blood flow and auditory function, but epidemiological studies on menopause and hearing are inconsistent. This study investigates the associations of menopause, its age at onset,…
View details →DOI: 10.1177/00034894261435259 Negative / Null Result Report
Nandurkar A · 2026 · Preprint
Abstract Background Hearing loss in adults is a leading problem worldwide. Provision of the whole spectrum of aural rehabilitation (AR) services to adults with acquired hearing loss has been acknowledged as a global challenge, due to…
View details →DOI: 10.21203/rs.3.rs-9352289/v1 Negative / Null Result Report
Al-Mujahid M, shomais A, Sinan Y et al. · 2026 · Preprint
Abstract Background Health-related quality of life (HRQoL) is a crucial patient-centered outcome in the management of chronic diseases, particularly cardiovascular disease (CVD). Objective To assess the health-related quality of life and…
View details →DOI: 10.21203/rs.3.rs-9202220/v1 Negative / Null Result ReportMedicine
Keel E, Kalimeris S, Adams M et al. · 2026 · The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
Background Infants born before 32 weeks of gestation are at high risk of developing intraventricular hemorrhage (IVH), which is associated with significant mortality and morbidity as well as long-term neurodevelopmental impairment. There…
View details →DOI: 10.1080/14767058.2026.2650951 Negative / Null Result ReportMedicine
Maharjan U, Kauppila JH · 2026 · Surgical oncology
Background Previous studies on hospital volume of gastrectomy and mortality in gastric cancer are conflicting, with some suggesting improved short-term outcomes in higher volume hospitals and fewer studies demonstrating consistent findings…
View details →DOI: 10.1016/j.suronc.2026.102415 Negative / Null Result ReportOpen accessMedicine
Molla HT, Gashu D, Stoecker B et al. · 2026 · Genes
Background Etiologies of neural tube defects (NTDs) are multifactorial. Genetic, epigenetic and environmental factors may contribute to their reported variation in prevalence across the globe. Ethiopia has among the highest reported NTD…
View details →DOI: 10.3390/genes17040478 Negative / Null Result ReportMedicine
Cheng V, Sayre EC, Amiri N et al. · 2026 · Journal of autoimmunity
Objectives While targeted synthetic disease-modifying antirheumatic drugs (tsDMARDs) have advanced autoimmune disease management, the paucity of perinatal safety data limits evidence-based decision-making in pregnancy. We aimed to…
View details →DOI: 10.1016/j.jaut.2026.103538 Negative / Null Result ReportOpen accessMedicine
Izquierdo JA, Kerbel J, Apodaca G et al. · 2026 · Cureus
Background Intraoperative periprosthetic femoral fracture is an uncommon but clinically significant complication of total hip arthroplasty (THA) that may compromise implant stability and increase the risk of early revision surgery. Several…
View details →DOI: 10.7759/cureus.106425 Negative / Null Result ReportMedicine
Wang Y, Zhang Y, Lan Y · 2026 · Scientific reports
The mental health of young people serves as a social barometer, reflecting societal conditions. However, the relationship between social inequality and youth mental health remains a contested issue. This study uses data from the China…
View details →DOI: 10.1038/s41598-026-58041-9 Negative / Null Result ReportMedicine
Chen Z, Zhang L, Liang Y et al. · 2026 · Digestive diseases and sciences
Background and aims Post-ESD esophageal stricture remains a major complication despite steroid prophylaxis. Temporary stent placement has been proposed as an adjunctive strategy in high-risk cases, yet its independent effect remains…
View details →DOI: 10.1007/s10620-026-09842-5 Negative / Null Result ReportOpen accessMedicine
Yubaitsa CN, Gani KS, Mitchel M et al. · 2026 · Cureus
Background Musculoskeletal problems in the elderly pose a significant challenge for healthcare providers, as they constitute a vulnerable group. Fractures are often undetected, leading to a reduced quality of life due to increased…
View details →DOI: 10.7759/cureus.103678 Negative / Null Result ReportMedicine
Bastian MB, Kyriakou I, Rosar F et al. · 2026 · The quarterly journal of nuclear medicine and molecular imaging : official publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR), [and] Section of the Society of...
Background Papillary thyroid carcinoma (PTC) with a BRAFV600E mutation is linked to more aggressive tumor characteristics, as well as a higher likelihood of recurrence and disease-specific mortality. This study aimed to investigate the…
View details →DOI: 10.23736/s1824-4785.26.03686-1 Negative / Null Result ReportOpen accessMedicine
Park JE · 2026 · Korean journal of community nutrition
Objectives This study aimed to evaluate the relationship between oxidative balance score (OBS), a metric indicating an individual's oxidative balance status, and the number of teeth in a sample of Korean adults. Methods This…
View details →DOI: 10.5720/kjcn.2025.00325 Negative / Null Result ReportMedicine
Hacıvelioğlu D, Turan Tercan A, Tuna Oran N · 2026 · BMC public health
This study examined xenophobia and empathic tendency among 724 midwifery students from different regions of Turkey. Data were collected online using the Student Information Form, the Empathic Tendency Scale, and the Xenophobia Scale, and…
View details →DOI: 10.1186/s12889-026-27913-0 Negative / Null Result ReportOpen accessMedicine
Skowron AT, Childers K, Rose CM et al. · 2026 · The Prostate
Purpose Germline genetic testing in patients with advanced prostate cancer (PCa) is underutilized and hypothesized to be impacted by socioeconomic and demographic factors. This single institution, retrospective study assessed the…
View details →DOI: 10.1002/pros.70165 Negative / Null Result ReportOpen accessMedicine
Pisanu C, Squassina A, Perera-Bel J et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Treatment-resistant depression (TRD) is a major clinical challenge in the management of major depressive disorder (MDD). While pharmacogenetics has been suggested to be clinically useful in guiding…
View details →DOI: 10.3390/medicina62050965 Negative / Null Result ReportMedicine
Madsen TE, Raker CA, Pavlovic JM et al. · 2026 · Neurology
Background and objectives Migraine is a known risk factor for stroke in women of reproductive age, although its relationship with stroke among postmenopausal women remains unclear. We assessed the association between migraine history and…
View details →DOI: 10.1212/wnl.0000000000214825 Negative / Null Result ReportOpen accessMedicine
Özen GY, Özen AK, Bilge NH · 2026 · Diagnostics (Basel, Switzerland)
Background: The anatomical position of the hyoid bone and the morphological characteristics of the soft palate play a key role in upper airway patency, craniofacial balance, and the coordination of functional structures. These features may…
View details →DOI: 10.3390/diagnostics16060947 Negative / Null Result ReportMedicine
Clarke G, Shuweihdi F, Relton SD et al. · 2026 · The British journal of general practice : the journal of the Royal College of General Practitioners
Background Primary palliative care is symptom support and care for people with life-limiting illnesses incorporated within standard primary care. Early identification of needs is best practice. There is limited research concerning…
View details →DOI: 10.3399/bjgp.2025.0602 Negative / Null Result ReportOpen accessMedicine
Hallab A · 2026 · Thyroid research
Thyroid hormones modulate brain structures during neurogenesis and impact cognition and emotions during the lifetime. Hypothyroidism is commonly associated with lower gray matter volume. Fewer studies, however, highlighted significant…
View details →DOI: 10.1186/s13044-026-00289-4 Negative / Null Result Report
Clarke B, Sajjad A, Moodie N et al. · 2026 · Preprint
The topics and questions that social and personality psychologists study attract a great deal of public interest. The level of evidence required to make an application claim should be high, in our opinion, to avoid misapplying evidence…
View details →DOI: 10.31234/osf.io/zjkcy_v3 Negative / Null Result ReportMedicine
Ojo EO, Xie R, Ng BP et al. · 2026 · Research in gerontological nursing
Purpose The current study aimed to examine the association between cognitive function, fear of falling, and physical activity and assess the moderating effect of physical activity on the association between cognitive function and fear of…
View details →DOI: 10.3928/19404921-20260615-02 Negative / Null Result ReportMedicine
Dornelas R, Marins I, Rodrigues TS et al. · 2025 · Journal of voice : official journal of the Voice Foundation
Objective To analyze the auditory perception of Korean pop (K-pop) singers' voices to identify vocal characteristics associated with gender neutrality. Study design This is a cross-sectional observational study. Methods The inclusion…
View details →DOI: 10.1016/j.jvoice.2025.11.010 Negative / Null Result ReportOpen accessMedicine
Sugimoto K, Minami T, Nukaya T et al. · 2025 · Cancer diagnosis & prognosis
Background/aim Immune checkpoint inhibitors (ICIs) have improved survival in metastatic renal cell carcinoma (mRCC), with nivolumab (NIVO) plus ipilimumab (IPI) showing benefits in intermediate- and poor-risk patients. Despite first-line…
View details →DOI: 10.21873/cdp.10488 Negative / Null Result ReportMedicine
Matouskova L, Kralova R, Parobkova E et al. · 2026 · Andrology
Background Despite robust data showing strong potential to improve diagnosis and disease monitoring in testicular germ cell tumors (TGCTs), miR-371a-3p testing has not yet been implemented in routine clinical practice. Cell-free DNA…
View details →DOI: 10.1111/andr.70283 Negative / Null Result ReportOpen accessMedicine
Sakulsriprasert P, Bunprajun T, Hengsomboon N et al. · 2026 · Scientific reports
This study evaluated floor and ceiling (F/C) effects within the Tampa Scale for Kinesiophobia (TSK) and examined item-level correlations with total TSK scores and pain intensity in individuals with knee osteoarthritis (KOA). A…
View details →DOI: 10.1038/s41598-026-46580-0 Negative / Null Result Report
Park S, Kim J, You Y et al. · 2026 · Preprint
Abstract Background Bacterial vaginosis (BV) is a common gynecological condition affecting women of reproductive age, characterized by disruption of vaginal microbiota. Current probiotic interventions, including oral supplements and…
View details →DOI: 10.21203/rs.3.rs-9843108/v1 Failed Experiment ReportMedicine
Düsünen E, Tural E, Yonak AK et al. · 2026 · The National medical journal of India
Background Diabetic foot ulcers are an important problem for people with diabetes mellitus. We aimed to determine the mortality rate in patients with diabetic foot ulcers and assess the relationship between mortality, the Wagner…
View details →DOI: 10.25259/nmji_536_2024 Abandoned Hypothesis
Sommer K, Russell S, Paynter J · 2026 · Preprint
This pre-registered study examined whether autistic preschool children could learn novel words from a social robot during a shared eBook reading session, how their engagement with the robot relates to word learning, and whether their…
View details →DOI: 10.31234/osf.io/nf6mh_v2