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
Pham QL, Thai HTK, Huynh NN et al. · 2026 · Preprint
Abstract This study examines whether financial deepening continues to promote economic growth in a high-credit transition economy or whether diminishing marginal returns emerge once financial depth surpasses a critical threshold. Using…
View details →DOI: 10.21203/rs.3.rs-9060142/v1 Negative / Null Result ReportOpen accessMedicine
Elhaw KA, Abdelhakim AA, Dominguez J A et al. · 2026 · BMC oral health
Background Removal of impacted mandibular third molars is associated with postoperative discomfort and delayed bone healing. Er:YAG laser osteotomy has been proposed as a minimally invasive alternative to conventional rotary…
View details →DOI: 10.1186/s12903-026-08790-w Negative / Null Result ReportOpen accessMedicine
Wesołowski I, Dzienisiewicz J, Langa D et al. · 2026 · Nutrients
Background/Objectives : Although creatine monohydrate is widely recognized as an effective ergogenic aid in strength and power sports, its role in endurance and mixed-sport disciplines remains less clearly established. This scoping review…
View details →DOI: 10.3390/nu18111677 Negative / Null Result ReportOpen accessMedicine
Lynghaug T, Fuskevåg OM, Storm BS et al. · 2026 · Acta anaesthesiologica Scandinavica
Background Tranexamic acid is an antifibrinolytic agent reducing mortality when administered to trauma patients with haemorrhagic shock. This mortality reduction is time sensitive. Increased intramuscular dose administration has proven an…
View details →DOI: 10.1111/aas.70274 Negative / Null Result ReportOpen accessMedicine
Barot S, Andersson-Franko M, Ghazi S et al. · 2026 · American journal of clinical pathology
Objectives Tumor budding is an emerging micromorphologic predictor of recurrence in localized colorectal cancer (CRC). Whether its addition to established CRC recurrence risk factors routinely assessed in clinical practice improves…
View details →DOI: 10.1093/ajcp/aqag057 Negative / Null Result ReportMedicine
Bhattacharjee B, Ghosh S, Basu N et al. · 2026 · Journal of integrative and complementary medicine
Objectives To assess the feasibility of conducting a randomized controlled trial and to explore preliminary effects of individualized homoeopathic medicines (IHMs) compared with placebo in patients with temporomandibular joint dysfunction…
View details →DOI: 10.1177/27683605261458121 Negative / Null Result ReportMedicine
El-Sherif S, Imam M, Hassan M et al. · 2026 · Clinical rheumatology
Background Sacroiliac joint (SIJ) pain is a prevalent yet underappreciated source of LBP, with multiple etiologies and therapeutic options. Failure of the conservative approach necessitates interventional injections, especially with…
View details →DOI: 10.1007/s10067-026-08167-y Negative / Null Result Report
Bowen HP, O’Loughlin G, Schleicher C et al. · 2026 · Preprint
Background The impact of the Inflation Reduction Act (IRA) upon late-stage developments has been assumed to be limited. The Congressional Budget Office’s IRA analysis excluded post-approval innovation, potentially overlooking substantial…
View details →DOI: 10.64898/2026.05.20.26353648 Negative / Null Result ReportMedicine
Gu X, Liu J, Wang H et al. · 2026 · Frontiers in public health
Objective To analyze the association between short-term exposure to air pollutants and the risk of fatal recurrence within 1 year in patients with first-episode acute hemorrhagic stroke, to provide scientific basis for health management…
View details →DOI: 10.3389/fpubh.2026.1827069 Negative / Null Result ReportOpen accessMedicine
Abrantes-Soares F, Santos MM, Mariana M et al. · 2026 · Journal of xenobiotics
In recent years, bisphenol F (BPF) and bisphenol S (BPS) have been used in several everyday products to replace bisphenol A (BPA), since exposure to BPA has been associated with the development of several pathologies. However, recent…
View details →DOI: 10.3390/jox16030111 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 