Negative / Null Result ReportOpen accessMedicine
Stępień S, Morawiec ML, Smycz-Kubańska M et al. · 2026 · Frontiers in oncology
Ovarian cancer (OC) is a major clinical problem in gynaecological oncology, characterised by difficulties in early diagnosis, which contributes to the high mortality rate from OC. Therefore, the search for new biological markers continues,…
View details →Negative / Null Result ReportOpen accessMedicine
Espinoza-Ríos J, Ruiz-Cortez R, Santiago B et al. · 2026 · BMC gastroenterology
Background Upper gastrointestinal bleeding (UGIB) remains one of the most common emergencies in gastroenterology, with mortality rates reaching 14% in some settings. Despite advances in management, mortality has remained relatively…
View details →Negative / Null Result ReportOpen accessMedicine
Shinde N, Warad VG, Potkar S et al. · 2026 · Cureus
Introduction Type 2 diabetes mellitus (T2DM) is a growing global health concern. Emerging evidence suggests that vitamin D and calcium play an important role in glucose metabolism and insulin function. The present study aimed to compare…
View details →Negative / Null Result ReportOpen accessMedicine
Spasić M, Todorović K, Živković N et al. · 2026 · Journal of functional biomaterials
Impacted mandibular third molars present a common challenge in oral surgery, often associated with postoperative complications such as delayed healing and periodontal defects; therefore, optimizing adjunctive therapies is clinically…
View details →Negative / Null Result ReportOpen accessMedicine
Gül T, Seçme M · 2026 · Biomedicines
Background/Objectives : Neuroblastoma is the most frequent solid tumor outside the brain in children and is associated with unfavorable outcomes in high-risk patients. Tannic acid, a naturally occurring polyphenolic compound, has been…
View details →Negative / Null Result ReportOpen accessMedicine
Thakur A, Singh BP, Parihar YS · 2026 · Cureus
Background Frozen shoulder (adhesive capsulitis) is a common cause of shoulder pain and disability in middle-aged adults, characterized by progressive pain and restriction of both active and passive range of motion. Despite multiple…
View details →Negative / Null Result ReportMedicine
Chong JT, Yi H, Wang AE et al. · 2026 · Cardiovascular engineering and technology
Purpose The intracranial aneurysm (IA) model reconstruction is critical for pathophysiology diagnosis and computational simulations. This study aimed to quantify the impact of segmentation thresholds and software platforms on the…
View details →Negative / Null Result ReportOpen accessMedicine
Wen Z, Ye Y, Chen H et al. · 2026 · Indian journal of orthopaedics
Objective To compare and verify the effectiveness of tendon-to-bone suture technique for the repair of external rotator injuries after hip arthroplasty. Methods This was a prospective, randomized, controlled study including 178 patients…
View details →Negative / Null Result ReportOpen accessMedicine
Kondo K, Morita I, Sakuma S et al. · 2026 · PloS one
Objectives This study aimed to longitudinally examine nationwide changes in smoking behavior among the Japanese population in response to the COVID-19 pandemic. Design and setting A secondary analysis was conducted using cigarette sales…
View details →Negative / Null Result ReportMedicine
Borghgraef D, Sienaert P, Lambrichts S · 2026 · Canadian journal of psychiatry. Revue canadienne de psychiatrie
BackgroundPreventing relapse following a successful acute treatment of major depressive disorder (MDD) remains a clinical challenge. The presence of residual depressive symptoms seems to be a reliable predictor of relapse. However, few…
View details →Negative / Null Result ReportOpen accessMedicine
Metin Yamac D, Erguven N, Ozenc E · 2026 · Anesthesiology research and practice
Aim The aim of this study is to compare the effect of intranasal and oral midazolam administered for premedication to children of preschool age on hemodynamic parameters, sedation, and separation from parents. Method A prospective,…
View details →Negative / Null Result ReportMedicine
Reina Abellán J, Bonato F, Ángel García D · 2026 · Military medicine
Background Elite acrobatic military parachutists are exposed to extreme repetitive axial loads and high gravitational forces, and low back pain (LBP) is common; however, the relationship between LBP and trunk neuromuscular function in this…
View details →Negative / Null Result ReportMedicine
Tasgaonkar A, Rathi N, Tasgaonkar M et al. · 2026 · European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry
Purpose Paediatric dental anxiety remains a significant challenge in clinical practice, often impacting co-operation and treatment outcomes. This randomised controlled trial compares the anxiety-reducing effects of AI-based self-modelling…
View details →Negative / Null Result ReportOpen accessMedicine
Wong AJ, Donnell CC · 2026 · European journal of pediatrics
This study aims to synthesise and interpret evidence relating to fluoride-free toothpaste alternatives for caries prevention, examining how these products have been studied, the outcomes used to evaluate them, and how this evidence may…
View details →Negative / Null Result ReportOpen accessMedicine
Zhao FY, Yue LP, Ho YS et al. · 2026 · Nature and science of sleep
Background and aims Insomnia during pregnancy is potentially associated with adverse outcomes, including gestational diabetes mellitus, pre-eclampsia, cesarean delivery, preterm birth, and depression. This study aimed to synthesize…
View details →Negative / Null Result ReportMedicine
Champion KA, AlDosari M · 2026 · Journal of dental education
Purpose Few evidence-based tools exist to support holistic review in dental school admissions. The Holistic Admissions Assessment Rubric (HAAR) was developed to score applicant data from the Associated American Dental Schools Application…
View details →Negative / Null Result ReportMedicine
Zhou Y, Qin S, Ma Y · 2026 · Clinical and experimental hypertension (New York, N.Y. : 1993)
Background Essential hypertension (EH) remains a leading modifiable risk factor for cardiovascular morbidity and mortality worldwide. Electroacupuncture (EA), combining traditional acupuncture with pulsed electrical stimulation at specific…
View details →Negative / Null Result ReportOpen accessMedicine
Sun Y, Yang X, Zhu Q et al. · 2026 · Drug design, development and therapy
Autoimmune thyroiditis (AIT) is a chronic immune-mediated thyroid disorder characterized by lymphocytic infiltration, follicular epithelial injury, autoantibody production, and variable progression to thyroid dysfunction. Because current…
View details →Failed Experiment ReportMedicine
Wikkeling OR, VAN Rijn MJ, Witte ME et al. · 2026 · The Journal of cardiovascular surgery
Background Pelvic venous disease (PeVD) and lymphedema are traditionally regarded as distinct clinical entities and are usually investigated and managed within separate clinical frameworks. However, both conditions may coexist in patients…
View details →Failed Experiment ReportMedicine
Huang J, Deng X, Zhou L et al. · 2026 · BMC medical research methodology
Background Evidence quality assessment is critical for informed public health decision-making, but manual approaches are time-consuming and subject to variability. Automated support tools have been proposed to improve efficiency and…
View details →Negative / Null Result ReportMedicine
Aubret A, Triesch J · 2026 · Developmental science
There is strong and diverse evidence for mental rotation (MR) abilities in adults. However, current evidence for MR in children rests on just a few behavioral paradigms adapted from the adult literature. Here, we leverage recent…
View details →Negative / Null Result ReportMedicine
Yu J, Eyles JP, Moreti Cabral Silveira A et al. · 2026 · BMC health services research
Background Evidence based medicine is a critical cornerstone in contemporary medicine, yet uptake and adoption of evidence remain suboptimal. This is prominent in many fields of healthcare, including musculoskeletal health and surgery.…
View details →Abandoned HypothesisMedicine
Iuliano L, Veritti D, Lanzetta P · 2026 · Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie
Iridology is an alternative diagnostic practice that claims to identify systemic diseases and organ dysfunction through visual inspection of iris features, including pigmentation patterns, crypts, furrows, and discolorations. Despite its…
View details →Methods Dead-EndMedicine
Simão AC, de Oliveira MBG, Menezes Junior ADS · 2026 · Cardiology
Introduction This umbrella review aims to evaluate the certainty and consistency of the available evidence rather than to provide a new procedural comparison. We combined systematic reviews that looked at surgical septal myectomy (SM) and…
View details →Methods Dead-EndOpen accessMedicine
Han LJ, Pan XW, Zhu J et al. · 2026 · Journal of multidisciplinary healthcare
Purpose Acute pancreatitis has complex causes, and traditional Chinese medicine plays a significant role in its treatment. However, there is a lack of standardized protocols and a comprehensive best evidence summary for rhubarb…
View details →Failed Experiment ReportMedicine
Melendez Vassall I, Mannino JE, Watters P et al. · 2026 · Advances in neonatal care : official journal of the National Association of Neonatal Nurses
Metabolic bone disease (MBD) is a disorder affecting bone mineralization that leads to short and long-term consequences. A daily exercise regimen consisting of passive range of motion (ROM) and gentle compression of upper and lower…
View details →Methods Dead-EndMedicine
Fontanier V, Delforge E, Opplert J et al. · 2026 · Physical therapy
Importance Evidence-based practice (EBP) is a core competency in physical therapy. In 2015, France implemented a major reform of physical therapist education, extending training from 3 to 5 years and embedding EBP throughout the…
View details →Failed Experiment ReportMedicine
Williams T, Phillips NJ, Stein DJ et al. · 2026 · The Cochrane database of systematic reviews
Background Posttraumatic stress disorder (PTSD) is a prevalent and disabling disorder. Evidence that PTSD is characterised by specific psychobiological dysfunctions has contributed to a growing interest in the use of medication in its…
View details →Failed Experiment ReportOpen accessMedicine
Petri AC, Martins TB, Martins TB et al. · 2026 · Sports medicine - open
Background Gait retraining has been proposed as a strategy to modify running biomechanics and reduce symptoms in runners with patellofemoral pain (PFP). However, review-level evidence remains heterogeneous regarding clinical effects,…
View details →Negative / Null Result ReportMedicine
Sugita H, Sato MT, Yamaji N et al. · 2026 · The Cochrane database of systematic reviews
Rationale Non-communicable diseases (NCDs), such as hypertension, diabetes, and asthma, require continuous medication management. However, medication adherence remains suboptimal. Telepharmacy-defined as pharmacist-led care delivered…
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