Negative / Null Result ReportMedicine
Caldonazo, Scheler, Fischer et al. · 2026 · American heart journal plus : cardiology research and practice
Device-associated endocarditis is a potentially life-threatening condition that typically requires the removal of the cardiac implantable electronic device (CIED). The role of routine coronary angiography (CAG) as part of preoperative…
View details →DOI: 10.1016/j.ahjo.2026.100762 Negative / Null Result ReportMedicine
Alzraikat, Al-Hiyasat, Jamous et al. · 2026 · Biomaterial investigations in dentistry
This study evaluated the effectiveness of acids on calcium silicate cement surface hardness, perforation, and their impact on root dentine microstructure. Root dentine discs were exposed to hydrochloric, acetic, and citric acids. Fourier…
View details →DOI: 10.2340/biid.v13.45669 Negative / Null Result ReportMedicine
Chen, Ma, Zhang · 2026 · Accident; analysis and prevention
Automated vehicles (AVs) are designed to improve traffic safety, mobility, and driver comfort; however, their benefits depend on the widespread adoption of AVs. As full market penetration remains unlikely in the near term, AVs will…
View details →DOI: 10.1016/j.aap.2026.108516 Negative / Null Result ReportMedicine
Atef Abdelsattar Ibrahim, Gouda Kamal, Zid et al. · 2026 · World journal of clinical pediatrics
Obesity and overweight are major public health challenges and are associated with autonomic imbalance and decreased heart rate variability (HRV), a non-invasive indicator of cardiovascular risk. Omega-3 polyunsaturated fatty acids have…
View details →DOI: 10.5409/wjcp.v15.i1.116331 Negative / Null Result ReportMedicine
Yıldız, Top, Yıldız et al. · 2026 · Mediterranean journal of hematology and infectious diseases
Stenotrophomonas maltophilia ( S. maltophilia ) is a multidrug-resistant pathogen frequently isolated in hospital-acquired pneumonia and represents a significant clinical challenge. This study aimed to investigate the risk factors…
View details →DOI: 10.4084/mjhid.2026.018 Negative / Null Result ReportMedicine
Timothee, Bliss, Blumenthal et al. · 2026 · Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery
The primary objective is to determine whether patients undergoing osseous microvascular free flap reconstruction of head and neck defects have higher inpatient pain requirements than those undergoing nonosseous reconstruction. Secondary…
View details →DOI: 10.1002/ohn.70200 Negative / Null Result ReportMedicine
Kacar, Ayaz-Alkaya · 2026 · Journal of pediatric nursing
Internet addiction is a growing problem among children and adolescents. Pathological internet use may lead to psychological and social issues. More effective and innovative interventions are needed to promote the mental health of children.…
View details →DOI: 10.1016/j.pedn.2026.02.035 Negative / Null Result ReportMedicine
Lopes, Costa, Nociti Junior et al. · 2026 · Brazilian oral research
This study investigated the effects of incorporating 3wt% titanium dioxide nanotubes (nTiO2) into calcium hydroxide [Ca(OH)2]-based intracanal medicament (ICM) formulations on the proliferation, viability, and mitochondrial metabolic…
View details →DOI: 10.1590/1807-3107bor-2026.vol40.002 Negative / Null Result ReportMedicine
Linke, Mayer, Suttkus et al. · 2026 · Pediatric research
This study examined parental stress indicators during outpatient pediatric surgery and whether intraoperative text messaging could alleviate stress. This randomized trial assigned parents of children aged 6 months to 6 years undergoing…
View details →DOI: 10.1038/s41390-026-04816-9 Negative / Null Result ReportMedicine
Melnikova · 2025 · Bulletin of experimental biology and medicine
Using in vivo microscopy, changes in the diameter of pial arterial microvessels were studied in rats with modeled moderate acute blood loss followed by whole-body cooling against the background of a single administration of tranexamic acid…
View details →DOI: 10.1007/s10517-026-06603-2 Negative / Null Result ReportMedicine
Nazki, Tennakoon, Reddy et al. · 2026 · The Journal of general virology
Infectious bursal disease virus (IBDV) causes an endemic immunosuppressive disease in chickens. Prior exposure to IBDV influences the pathogenesis and shedding of chicken strains of influenza A virus (IAV), but its effect on waterfowl…
View details →DOI: 10.1099/jgv.0.002235 Negative / Null Result ReportMedicine
Tuncekin, Toprak · 2026 · Iranian journal of immunology : IJI
Rheumatoid arthritis (RA) and ankylosing spondylitis (AS) are chronic autoimmune inflammatory disorders in which TNF-α plays a key role. Anti-TNF agents are widely used in the management of these diseases. Since TNF-α is also…
View details →DOI: 10.22034/iji.2026.107743.3081 Negative / Null Result ReportMedicine
Xu, Hu, Zhao et al. · 2026 · Obesity (Silver Spring, Md.)
HDM1002, a small-molecule agonist of glucagon-like peptide-1 receptors, was evaluated for safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD). Chinese participants (18-60 years) with…
View details →DOI: 10.1002/oby.70160 Negative / Null Result ReportMedicine
Elgayar · 2026 · Scientific reports
This trial aimed to explore the effect of supervised breathing exercises (BEs) on depression, sexual function, and exercise capacity in postmenopausal women. Sixty-four depressed postmenopausal women with associated sexual dysfunction were…
View details →DOI: 10.1038/s41598-026-41198-8 Negative / Null Result ReportMedicine
Rezaeinejad, Sepidarkish, Moini et al. · 2026 · Pregnancy hypertension
While cigarette smoking has been paradoxically associated with a reduced risk of preeclampsia, the effect of waterpipe (WP) smoking, an increasingly prevalent form of tobacco use remains poorly understood. This study aimed to investigate…
View details →DOI: 10.1016/j.preghy.2026.101426 Negative / Null Result ReportMedicine
Ehne, Kastensson, Wedin et al. · 2026 · Journal of bone oncology
The use of postoperative radiotherapy (PORT) as an adjunct to orthopaedic surgery of the long bones is widely recommended. Evidence of the benefits is however sparse. The primary research question of this study was whether PORT reduces the…
View details →DOI: 10.1016/j.jbo.2026.100746 Negative / Null Result ReportMedicine
Karunayawong, Sukmanee, Butchon et al. · 2026 · BMJ open
Since 1985, the international healthcare community has recommended the ideal rate of caesarean section (CS) to be 10%-15% at the national level. The literature has reported that overused CS without necessary medical indications can be…
View details →DOI: 10.1136/bmjopen-2024-096080 Negative / Null Result ReportMedicine
Rodrigues, Macedo, de Paulo et al. · 2026 · Oral surgery, oral medicine, oral pathology and oral radiology
To evaluate the effects of sticky bone a biomaterial composed of Solid-PRF (S-PRF), a variant of platelet-rich fibrin (PRF), and deproteinized bovine bone-on bone formation after tooth extraction performed prior to radiotherapy, with…
View details →DOI: 10.1016/j.oooo.2025.12.016 Negative / Null Result ReportMedicine
Olivieri, Amatori, Battocchio et al. · 2026 · Nanomaterials (Basel, Switzerland)
Gold nanorods (AuNRs) were synthesized and optimized with the aim of obtaining strongly hydrophilic nanomaterials, suitable as a drug delivery system (DDS) for copper-based drugs. After careful purification, AuNRs were characterized by…
View details →DOI: 10.3390/nano16030217 Negative / Null Result ReportMedicine
Expósito-Díaz, Medina, Moral · 2026 · Environmental microbiology reports
Olive anthracnose, the most critical disease affecting fruit and oil quality, is caused by Colletotrichum species, with C. godetiae dominant in Italian and Spanish orchards. Climate change could exacerbate its impact, particularly through…
View details →DOI: 10.1111/1758-2229.70276 Negative / Null Result ReportMedicine
Pujol, Minguell, Pijoan et al. · 2025 · Journal of orthopaedics
To determine if maintaining the preoperative CPAK class influences on clinical outcomes when performing a functional aligned robotic assisted TKA (RATKA). This prospective cohort study compared patients who maintained their preoperative…
View details →DOI: 10.1016/j.jor.2025.06.030 Negative / Null Result ReportMedicine
Zhou, Lu, Wang et al. · 2026 · PeerJ
The clinical impact of sperm chromatin condensation defects (SCCD) on in vitro fertilization (IVF) outcomes remains controversial. This study aimed to clarify the effects of SCCD on embryonic development, pregnancy, and neonatal outcomes…
View details →DOI: 10.7717/peerj.20749 Negative / Null Result ReportMedicine
Ergün, Bayraktar Nahir · 2026 · Odontology
Pit and fissure sealants (PFS) are effective in preventing occlusal caries. This randomized split-mouth clinical study aimed to compare the 18-month clinical performance of the bioactive resin-based PFS (BioCoat™) with a…
View details →DOI: 10.1007/s10266-026-01332-4 Negative / Null Result ReportMedicine
Fan, Luo, Zheng et al. · 2026 · Physiology & behavior
The circadian clock genes Per1 and Per2 play a crucial role in regulating circadian rhythms. However, the consequences of their deficiency on motor function and age-related behavioral changes remain poorly understood. This study aimed to…
View details →DOI: 10.1016/j.physbeh.2026.115245 Negative / Null Result ReportMedicine
Fojcik, Górski, Szulik et al. · 2025 · Frontiers in psychiatry
The aim of this study was to determine the risk of suicidal behavior in patients who were involuntarily hospitalized in forensic psychiatry departments, taking into account demographic variables such as age, level of education and length…
View details →DOI: 10.3389/fpsyt.2025.1752028 Negative / Null Result ReportMedicine
Schmidt, Brühl, Möllers et al. · 2026 · Haemophilia : the official journal of the World Federation of Hemophilia
Sufficient sleep is essential for maintaining both physical and mental health, yet data on sleep health among persons with haemophilia (PwH) remain limited. This study aimed to assess sleep in PwH compared to healthy controls (Con) and…
View details →DOI: 10.1111/hae.70217 Negative / Null Result ReportMedicine
Aman, Gencer, Sağlam et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : This study was conducted to investigate the effects of fragment size on clinical and radiological outcomes and the development of complications during the surgical treatment of pediatric lateral condyle…
View details →DOI: 10.3390/medicina62061123 Negative / Null Result ReportMedicine
Chausheva, Shefket, Bocheva et al. · 2026 · Medicina (Kaunas, Lithuania)
Background and Objectives : Individuals with long-standing type 1 diabetes (T1D) remain at elevated cardiovascular risk (CVR). Adiponectin (ADNC) and leptin (LEP) are adipokines involved in metabolic and vascular homeostasis, yet their…
View details →DOI: 10.3390/medicina62061037 Negative / Null Result ReportMedicine
Akler, Gelman, Radomislensky et al. · 2026 · The Israel Medical Association journal : IMAJ
Age is a well-established prognostic factor in civilian trauma, where adverse outcomes increase with ages. Whether this pattern holds true in military trauma, where populations, injury mechanisms, and systems of care differ fundamentally,…
Negative / Null Result ReportMedicine
Albayrak · 2026 · Revista da Associacao Medica Brasileira (1992)
Systemic inflammation is closely associated with acute exacerbations of chronic obstructive pulmonary disease and may reflect the risk of future exacerbations. Blood-based inflammatory biomarkers represent simple and practical tools for…
View details →DOI: 10.1590/1806-9282.20251626 