Negative / Null Result ReportMedicine
Shalaby R, Sadek GEM, Gamil Y et al. · 2026 · European journal of dentistry
Objectives This pilot trial was designed to investigate the efficacy of propolis-based gel in the treatment of primary herpetic gingivostomatitis in children and assessed salivary IFN-γ levels before and after treatment to reflect the…
View details →DOI: 10.1055/s-0046-1822966 Negative / Null Result ReportMedicine
Bakırhan S, Şahinoğlu E, Ünver B et al. · 2026 · The journal of knee surgery
Abstract Conflicting findings exist regarding the association between obesity and functionality after total knee arthroplasty (TKA). We aimed to compare knee extensor mechanism function, knee function, and knee flexion range of motion…
View details →DOI: 10.1055/a-2886-8345 Negative / Null Result Report
Dhonde S, Channe P, Matole P et al. · 2026 · Preprint
Abstract Objective: To evaluate the time-dependent genotoxic effects of cone-beam computed tomography (CBCT) exposure in pediatric patients using the buccal micronucleus assay. Materials and Methods: This experimental study comprised 25…
View details →DOI: 10.21203/rs.3.rs-9762448/v1 Negative / Null Result ReportOpen accessMedicine
Moreno-Lacalle RC, Agbayani KPG, Alog JR et al. · 2026 · Acta medica Philippina
Background Self-management is crucial for individuals with chronic illnesses. While mobile applications (mAPPs) have emerged to support diverse health needs, evidence regarding their efficacy for self-management among chronically ill…
View details →DOI: 10.47895/amp.vi0.12853 Negative / Null Result ReportOpen accessMedicine
Anghel MA, Mitruț I, Ionescu M et al. · 2026 · Journal of functional biomaterials
Background Dimensional stability during post-curing exposure time is critical for the clinical success of 3D-printed restorations. This study evaluates how different post-curing protocols affect the accuracy of provisional crowns. Methods…
View details →DOI: 10.3390/jfb17060263 Negative / Null Result ReportOpen accessMedicine
Porschen C, Hellenthal KEM, Zarbock A et al. · 2026 · Scientific reports
Case reports are a long-standing component of medical research, but their association with self-reported responses to simulated clinical scenarios remains underexplored. This study investigated whether exposure to a structured case report…
View details →DOI: 10.1038/s41598-026-54854-w Negative / Null Result ReportMedicine
Zhang R, Dang PH, Zhou DX et al. · 2026 · Zhonghua yi xue za zhi
Objective: To explore the clinical efficacy of stapes prosthesis surgery for the treatment of congenital fixation of stapes or oval window atresia in pediatric patients. Methods: The clinical data of children with congenital fixation of…
View details →DOI: 10.3760/cma.j.cn112137-20260407-00942 Negative / Null Result ReportMedicine
Ergene D, Aksoy A, Sanin FD · 2026 · Environmental monitoring and assessment
This study investigates the combined effects of precipitation and landfill age on leachate characteristics using one-way ANOVA to identify statistically significant differences among impact groups. The primary objective is to evaluate how…
View details →DOI: 10.1007/s10661-026-15577-7 Negative / Null Result Report
Szymańska E, Kisielewski R, Kisielewska L et al. · 2026 · Preprint
Abstract Introduction : Gynecological cancers (GC) and various types of their treatment, including surgery, may have a negative impact on sexual functioning (SF) in women. The aim of this study was to assess female SF following…
View details →DOI: 10.21203/rs.3.rs-9380480/v1 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
Çam Ö, Ateş MO, Keleş A · 2026 · BMC oral health
BACKGROUND: The aim of this study was to evaluate the association of buccolingual width (BLW), age, and gender with the detection of a lingual canal in mandibular anterior teeth using cone-beam computed tomography (CBCT). METHODS: CBCT…
View details →DOI: 10.1186/s12903-026-08412-5 Negative / Null Result Report
Mohammed ABAERAAK, Abdallah AM · 2026 · Preprint
Abstract Background: The thyroid gland is a vital endocrine organ responsible for the secretion of triiodothyronine (T3) and thyroxine (T4), hormones that regulate metabolism, growth, and tissue development. Thyroid dysfunction, including…
View details →DOI: 10.21203/rs.3.rs-9728135/v1 