Negative / Null Result ReportOpen accessMedicine
Ahtola K, Ulander M, Agholme J et al. · 2026 · Scientific reports
Obstructive Sleep Apnea (OSA) affects 1 billion people globally, with a male-to-female ratio of 2:1. While obesity is a major risk factor, sex differences in fat distribution may influence OSA risk. This study examined the relationship…
View details →DOI: 10.1038/s41598-026-58058-0 Negative / Null Result ReportMedicine
Ti-Enkawol Nachinab G, Alem JN, Coffie GB · 2026 · BMC health services research
Introduction Occupational health and safety are major concerns for health workers worldwide. Nurses working in resource-constrained areas are at higher risk of occupational hazards. The purpose of the study was to assess the knowledge,…
View details →DOI: 10.1186/s12913-026-14956-7 Negative / Null Result ReportOpen accessMedicine
Adıgüzel Akman Ö · 2026 · BMC psychiatry
Background Mothers of children with Attention-Deficit/Hyperactivity Disorder (ADHD) may experience increased psychological distress, including anxiety and depressive symptoms. Nomophobia, defined as the fear of being without access to a…
View details →DOI: 10.1186/s12888-026-08265-w Negative / Null Result ReportOpen accessMedicine
Geijsen AJMR, Bartels M · 2026 · Nature communications
Puberty through adulthood involves major psychological and social change. Prospective evidence on adolescent wellbeing and later outcomes remains limited. Here we show that higher adolescent wellbeing (age 14-16) is associated with more…
View details →DOI: 10.1038/s41467-026-72459-9 Negative / Null Result ReportMedicine
Luo X, Ma N, Yang Y et al. · 2026 · BMC surgery
Objective Proximal femoral bionic nail (PFBN) represents a novel biomechanical design for the internal fixation of intertrochanteric fractures in older adults. However, comparative real-world evidence between PFBN and the conventional…
View details →DOI: 10.1186/s12893-026-03937-6 Negative / Null Result ReportMedicine
Thompson GE, Wesemann LB, Ogundipe EA et al. · 2026 · Fetal diagnosis and therapy
Prenatal diagnoses of Congenital Anomalies of the Kidney and Urinary Tract (CAKUT) are critical for counseling families about potential postnatal outcomes. While ultrasound (US) remains the gold standard for prenatal diagnosis of CAKUT,…
View details →DOI: 10.1159/000552627 Negative / Null Result ReportMedicine
Kultanaruangnonth M, Chatrung L, Tansawet A et al. · 2026 · World journal of emergency surgery : WJES
Background Surgical site infections (SSIs) remain a major concern after abdominal surgery, with incidences of 15-22%. Intraoperative wound irrigation (IOWI) before closure is routinely performed to reduce bacterial contamination, but the…
View details →DOI: 10.1186/s13017-026-00705-y Negative / Null Result ReportMedicine
Geng YQ, Ding Y, Fu CG et al. · 2026 · Zhonghua yi xue za zhi
Objective: To compare the efficacy between endoscopic submucosal dissection (ESD) combined with low-dose radiotherapy and direct surgical resection in patients with T1a-MM/T1b-SM stage esophageal squamous cell carcinoma. Methods: A…
View details →DOI: 10.3760/cma.j.cn112137-20251024-02757 Negative / Null Result ReportOpen accessMedicine
Bader SE, Magnuson A, Brorsson C et al. · 2026 · European journal of trauma and emergency surgery : official publication of the European Trauma Society
Background Resuscitative endovascular balloon occlusion of the aorta (REBOA) is used as an adjunct in haemorrhagic shock (HS) to restore proximal perfusion. Its cerebral metabolic effects during haemorrhagic shock, particularly in the…
View details →DOI: 10.1007/s00068-026-03147-y Negative / Null Result ReportOpen accessMedicine
Arslan Çarpar K, Yılmaz T · 2026 · BMC oral health
BACKGROUND: This study aimed to compare the plaque removal efficacy of manual and powered toothbrushes around attachments in patients undergoing clear aligner therapy under standardized, single-brushing conditions. METHODS: This…
View details →DOI: 10.1186/s12903-026-08395-3 Negative / Null Result ReportMedicine
Hakkani Öznay Ç, Findik H, Uzun F et al. · 2026 · Journal of clinical medicine
Objectives : To prospectively compare the outcomes of external dacryocystorhinostomy (EX-DCR), endonasal dacryocystorhinostomy (EN-DCR), and laser-assisted transcanalicular dacryocystorhinostomy (TL-DCR) in patients with nasolacrimal duct…
View details →DOI: 10.3390/jcm15124488 Negative / Null Result Report
Sorjonen K, Melin B, Melin M · 2026 · Preprint
Ji et al. recently reported evidence suggesting that marital satisfaction serves as a longitudinal protective factor against postpartum depressive symptoms, basing this conclusion on statistically significant paths estimated with…
View details →DOI: 10.31234/osf.io/wrf3x_v1 Negative / Null Result ReportMedicine
Smith A, Dixit I, Zhang L et al. · 2026 · JAMA dermatology
Importance Cardiovascular disease (CVD) is the leading cause of mortality in patients with psoriasis, yet structured CVD prevention is not routinely embedded in dermatology care. Objective To evaluate the effectiveness of a text-messaging…
View details →DOI: 10.1001/jamadermatol.2026.1070 Negative / Null Result ReportOpen accessMedicine
Parkhoo K, Schmitz LA, Fröb L et al. · 2026 · Dentistry journal
Objectives : Six dentin adhesives were tested in vitro regarding their cytotoxicity toward human fibroblasts. AdheSE, Clearfil SE Bond, Hybrid Bond, One-up Bond F Plus, Optibond Solo Plus, and Syntac were tested using a cell culture model.…
View details →DOI: 10.3390/dj14050312 Negative / Null Result ReportOpen accessMedicine
Korodimos N, Wojtyś ME, Kostopanagiotou K et al. · 2026 · Journal of clinical medicine
Background: Non-small-cell lung cancer (NSCLC) is driven by distinct oncogenic alterations with important therapeutic and prognostic implications. Noninvasive biomarkers that predict molecular status in surgically resectable disease may…
View details →DOI: 10.3390/jcm15114100 Negative / Null Result ReportOpen accessMedicine
Mahajan A, Haideri S, Kumar VVH et al. · 2026 · Journal of education and health promotion
Background The oral health is an integral part of general well-being in children suffering from attention deficit hyperactivity disorder (ADHD). The present study aimed to analyze the impact of oral health education program on children…
View details →DOI: 10.4103/jehp.jehp_1102_25 Negative / Null Result ReportOpen accessMedicine
Abdi A, Abbasi E, Abazarlou A · 2026 · BMC neurology
Objectives Migraine is a common and disabling neurological disorder in children, often requiring preventive treatment. This study aimed to compare the efficacy and tolerability of cinnarizine and topiramate in the prophylaxis of migraine…
View details →DOI: 10.1186/s12883-026-04950-1 Negative / Null Result ReportMedicine
Peker N, Yücetürk A, Tığlı E et al. · 2026 · Journal of ovarian research
Background We aimed to evaluate whether delayed initiation of gonadotropin hormone-releasing hormone (GnRH) antagonist treatment affects premature ovulation and the number of good-quality blastocysts. We retrospectively reviewed the…
View details →DOI: 10.1186/s13048-026-02161-3 Negative / Null Result ReportOpen accessMedicine
Yan Z, Jiang Q, Lu Z et al. · 2026 · International journal of general medicine
Background Intervertebral disc degeneration (IVDD) is a major cause of low back pain. Observational studies suggest a link with gut microbiota (GM), possibly mediated by systemic inflammation, but causality remains unclear. Objective To…
View details →DOI: 10.2147/ijgm.s615488 Negative / Null Result ReportOpen accessMedicine
Conde-Disla E, González-Olmo MJ, Olmos-Valverde M et al. · 2026 · Dentistry journal
Background: Pain during orthodontic debonding is a common clinical concern. Although previous studies have mainly focused on mechanical approaches to reduce discomfort, the influence of emotional characteristics of patients on pain…
View details →DOI: 10.3390/dj14060386 Negative / Null Result ReportOpen accessMedicine
Xu X, Zhang B, Wang X et al. · 2026 · Orthopaedic surgery
Objective There is no consensus on the age restriction for total ankle arthroplasty (TAA) patients. The aim of our study was to analyze the clinical function, radiographic outcomes, patient satisfaction, and complications between patients…
View details →DOI: 10.1111/os.70326 Negative / Null Result ReportOpen accessMedicine
Agarwal P, Kumar P, Chugh VK et al. · 2026 · Cureus
Background and aim Postoperative pain following root canal treatment (RCT) can be influenced by the obturation technique, as variations in apical sealing and material extrusion may affect periapical tissue response. The aim of this study…
View details →DOI: 10.7759/cureus.107873 Negative / Null Result ReportOpen accessMedicine
Lopresti AL, Smith SJ, Ferdinands FR · 2026 · Frontiers in reproductive health
Background Khaya senegalensis is a tree species that has traditional use for the alleviation of menstrual and hormonal symptoms in women. Moreover, supplementation with a Khaya senegalensis preparation (Khapregesic®) was associated with…
View details →DOI: 10.3389/frph.2026.1824321 Negative / Null Result ReportOpen accessMedicine
Mousa N, Hasan AK · 2026 · Cureus
Background This study aimed to evaluate nasal morphological characteristics and their relationship with vertical facial growth patterns in a Syrian adult population using lateral cephalometric analysis. Methodology This retrospective…
View details →DOI: 10.7759/cureus.107170 Negative / Null Result ReportOpen accessMedicine
Atsuta S, Koizumi S, Takahashi SS et al. · 2026 · Dentistry journal
Background/Objectives : Acceleration of orthodontic tooth movement remains a major challenge in clinical orthodontics. Evidence suggests that increased local blood flow around the alveolar bone is key to bone remodeling and potentially…
View details →DOI: 10.3390/dj14060353 Negative / Null Result ReportMedicine
Pei Y, Jones L, Minga J · 2026 · American journal of speech-language pathology
Purpose This study investigated patterns of question use in conversation among individuals with traumatic brain injury (TBI) by analyzing the frequency, types, and social actions of the questions. Method Questions from conversational…
View details →DOI: 10.1044/2026_ajslp-25-00303 Negative / Null Result ReportOpen accessMedicine
Ilbekova K, Ibrayeva D, Saifulina E et al. · 2026 · Journal of clinical medicine
Background/Objectives : Cancer incidence and mortality are key epidemiological indicators for evaluating the long-term biological effects of chronic low-dose radiation exposure. The aim of this study was to assess the incidence, structure,…
View details →DOI: 10.3390/jcm15114330 Negative / Null Result Report
Plaikner A, Ploner M, Sewald Z et al. · 2026 · Preprint
Protein Language Models (pLMs) have significantly advanced computational biology. Yet their scale and reliance on redundant training data raise a fundamental question: do pLMs generalize the statistical grammar of proteins, or do they…
View details →DOI: 10.64898/2026.06.08.730685 Negative / Null Result ReportMedicine
Shan J, Yu J, Zhao L et al. · 2026 · BMC cancer
Background Dose reduction during concurrent chemoradiotherapy (cCRT) is frequently required in patients with limited-stage small-cell lung cancer (LS-SCLC) because of treatment-related toxicities or poor tolerance. However, the impact of…
View details →DOI: 10.1186/s12885-026-16150-8 Negative / Null Result Report
Mohammed S, Kyei L, Okyere F et al. · 2026 · Preprint
Abstract Background: PAM50 molecular subtype is an established prognostic factor in breast cancer, yet unmeasured heterogeneity may persist within and between subtypes. We evaluated whether shared frailty modeling provides additional…
View details →DOI: 10.21203/rs.3.rs-9931861/v1 