Negative / Null Result ReportOpen accessMedicine
Obembe OO, George ET, Mustapha RA et al. · 2026 · BMC pharmacology & toxicology
BACKGROUND: 3,4-Methylenedioxymethamphetamine (MDMA) is a psychostimulant known for its social and empathogenic effects. However, its long-term impact on sexual performance and reproductive functions remain controversial. OBJECTIVE: In…
View details →DOI: 10.1186/s40360-026-01131-1 Negative / Null Result Report
Jiang Z, Tan X, Zhang M et al. · 2026 · Preprint
Abstract Objective : To explore the clinical efficacy of percutaneous vertebroplasty (PVP) via Kambin's triangle in the treatment of senile spinal deformity accompanied by vertebral compression fractures. Methods : A retrospective analysis…
View details →DOI: 10.21203/rs.3.rs-9403084/v1 Negative / Null Result ReportOpen accessMedicine
Hammad A, Saleh ME, Shehab AA · 2026 · Cureus
Background Adolescent idiopathic scoliosis (AIS) is the most common form of spinal deformity in adolescents, characterized by a three-dimensional curvature of the spine with unknown etiology. Surgical intervention is indicated in…
View details →DOI: 10.7759/cureus.107673 Negative / Null Result ReportOpen accessMedicine
Bozkurt SN, Kocasli S · 2026 · BMC complementary medicine and therapies
AIMS: The aim of this study was to the effects of music during the endoscopy procedure on anxiety, pain and vital signs. METHODS: This study was conducted as a randomized, controlled, double-blind trial. The study population consisted of…
View details →DOI: 10.1186/s12906-026-05381-8 Negative / Null Result ReportOpen accessMedicine
MacFarlane AJ, Larson JH, Kucharik MP et al. · 2026 · Journal of shoulder and elbow arthroplasty
Background Presently, there is no quantifiable and objective criteria for defining severe glenoid bone loss (GBL) for primary reverse total shoulder arthroplasty (rTSA). In this study, we sought to establish quantifiable thresholds of…
View details →DOI: 10.1016/j.jsea.2026.100015 Negative / Null Result ReportOpen accessMedicine
Ishida H, Egashira H, Asano N et al. · 2026 · Cureus
Background Inflammation- and nutrition-related biomarkers such as the neutrophil-to-lymphocyte ratio (NLR) and prognostic nutritional index (PNI) have been reported as prognostic factors for ovarian cancer. However, their clinical…
View details →DOI: 10.7759/cureus.108250 Negative / Null Result ReportMedicine
Zheng X, Fu X, Shao Y et al. · 2026 · American journal of translational research
Objective To investigate the effect of remazolam combined with hydromorphone on postoperative cognitive function in elderly patients undergoing hip replacement. Methods 184 elderly patients who underwent hip replacement in Sir Run Run Shaw…
View details →DOI: 10.62347/tfej7525 Negative / Null Result Report
Li S, Chai H, Bao W et al. · 2026 · Preprint
Abstract Background: It is commonly recommended to restore the mechanical axis to within –0° ± 3° in valgus knee. However, the situation is quite different when the alignment is –3° or 3° in the presence of a compromised MCL in Ranawat…
View details →DOI: 10.21203/rs.3.rs-9715753/v1 Negative / Null Result ReportOpen accessMedicine
Jin L, Zhang J, Zhang R et al. · 2026 · Ultrasonics sonochemistry
The aim of this study was to investigate the effects of ultrasound-assisted tumbling (100, 300, 500, and 700 W) with different treatment times (30, 60, 90, 120, 150, and 180 min) on the quality, myofibrillar protein structure, and protein…
View details →DOI: 10.1016/j.ultsonch.2026.107919 Negative / Null Result ReportOpen accessMedicine
Abjar R, NasiriFormi E, Kazemi AH et al. · 2026 · Health science reports
Background and aims High-quality sleep, calmness, and lack of fatigue are vital for the health of critical hospital staff. Operating room personnel experience significant mental and physical stress, including anxiety and sleep…
View details →DOI: 10.1002/hsr2.72680 Negative / Null Result Report
Merikhi A, Gheisari A, Kasiri P et al. · 2026 · Preprint
Abstract Background: Nocturnal Enuresis (NE), characterized by the inability to control nighttime voiding in children above five years, is one of the common problems faced by the young generation today and can result in some psychological…
View details →DOI: 10.21203/rs.3.rs-9818630/v1 Negative / Null Result ReportMedicine
Zahid Habib Q, Tahir M, Bakhtawar F et al. · 2026 · Journal of stem cells & regenerative medicine
Introduction Liver diseases remain a major global health burden, with limited treatment options for advanced hepatic dysfunction. Current treatment options are limited and mainly supportive, with liver transplantation being the only…
View details →DOI: 10.46582/jsrm.2201004 Negative / Null Result ReportMedicine
Huang F, Zhan H, Yang Y et al. · 2026 · BMC infectious diseases
Background and objective Helicobacter pylori (H. pylori) infection is associated with infectious diseases caused by pathogens such as Orientia tsutsugamushi (the causative agent of scrub typhus) and Brucella. However, the impact of H.…
View details →DOI: 10.1186/s12879-026-13491-4 Negative / Null Result ReportOpen accessMedicine
Sonawane C, Raval RR, Bajaj A et al. · 2026 · International archives of otorhinolaryngology
Introduction Silicone stents are often employed in dacryocystorhinostomy (DCR) procedures to maintain the patency of the newly created tear drainage passage during the healing stage. These stents are flexible, biocompatible, and generally…
View details →DOI: 10.1055/s-0046-1818565 Negative / Null Result ReportOpen accessMedicine
Yorulmaz E, Geler-Kulcu D, Ramazanoglu AF et al. · 2026 · Turkish journal of physical medicine and rehabilitation
Objectives This study aims to investigate the impact of early initiated rehabilitation on outcomes in patients with spinal cord injuries related to tumors. Patients and methods In this retrospective cohort study conducted between January…
View details →DOI: 10.5606/tftrd.2026.17637 Negative / Null Result ReportOpen accessMedicine
da Rosa Castilho A, Aguiar AF, Ribeiro AS et al. · 2026 · Physiotherapy research international : the journal for researchers and clinicians in physical therapy
Background and purpose The massage gun is widely used to alleviate delayed-onset muscle soreness (DOMS); however, empirical evidence regarding its physiological effects remains limited. Objectives This study aimed to evaluate the acute…
View details →DOI: 10.1002/pri.70246 Negative / Null Result ReportOpen accessMedicine
Colella E, Pape HC, Mica L · 2026 · Healthcare (Basel, Switzerland)
Background/objectives The purpose of this study was to examine the sex-specific distribution of traumatic spinal fractures and potential predictive clinical factors for a more well-founded treatment evaluation. Methods This study is a…
View details →DOI: 10.3390/healthcare14081114 Negative / Null Result ReportMedicine
Chiu ST, Seah SJ, Zeng GJ et al. · 2026 · Clinical spine surgery
Study design Retrospective clinical study. Objective Investigating the fusion effect and side effect profile between low-dose E.BMP-2 and mammalian rhBMP-2. Summary of background data Recombinant human bone morphogenetic protein-2…
View details →DOI: 10.1097/bsd.0000000000002115 Negative / Null Result ReportOpen accessMedicine
IShii K, Nishimura E, Tajima Y et al. · 2026 · Annals of medicine and surgery (2012)
Background Based on initial evaluation using indication criteria, conservative treatment or surgery is selected for duodenal ulcer perforation. However, some patients fail conservative management and require surgical intervention. This…
View details →DOI: 10.1097/ms9.0000000000004860 Negative / Null Result ReportOpen accessMedicine
Romito GA, Soares HH, Nishyama R et al. · 2026 · Brazilian oral research
This study aimed to evaluate the long-term outcomes of dental implants placed in alveolar ridges augmented with collagenated xenogeneic bone blocks (CXBB) or autogenous bone blocks (ABB). In this non-interventional study, 20 patients…
View details →DOI: 10.1590/1807-3107bor-2026.vol40.030 Negative / Null Result ReportOpen accessMedicine
Yan J, Feng L, Wu P et al. · 2026 · Animal nutrition (Zhongguo xu mu shou yi xue hui)
Taurine is a multifunctional feed additive that is abundant in fish meal but scarce in plant protein sources. The aim of this study was to investigate the effects of taurine supplementation in fish meal-free diet on sub-adult grass carp (…
View details →DOI: 10.1016/j.aninu.2025.10.016 Negative / Null Result ReportOpen accessMedicine
Zhu J, Ren X, Wang Q et al. · 2026 · Patient preference and adherence
Objective To explore the application effect of continuity nursing intervention based on the "Internet +" platform in patients with ulcerative colitis (UC) and analyze its impact on patients' inflammatory responses. Methods A retrospective…
View details →DOI: 10.2147/ppa.s571511 Negative / Null Result ReportOpen accessMedicine
Kamel M, Marzouk RE, Shaker OG et al. · 2026 · Scientific reports
Psoriasis is a chronic systemic inflammatory skin disorder that is strongly associated with metabolic disorders, including obesity, insulin resistance, hypertension, and dyslipidemia. Dyslipidemia causes abnormalities in lipid profiles,…
View details →DOI: 10.1038/s41598-026-52391-0 Negative / Null Result ReportMedicine
Yuza AT, Nurwiadh A, Hadikhrisna I et al. · 2026 · BMC oral health
Background Preoperative anxiety is a common psychological response to surgical operations affecting the emotional, cognitive and physiological state of the patient. It can be measured by both objective and subjective methods. While the…
View details →DOI: 10.1186/s12903-026-08466-5 Negative / Null Result ReportMedicine
Vesterbacka M, Parikakis K, Ganzer N et al. · 2026 · The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association
ObjectiveTo study craniofacial growth and hypodontia in individuals born with Van der Woude syndrome (VWS) and compare with matched controls with and without a cleft.DesignA multicenter retrospective case-control study.SettingIndividuals…
View details →DOI: 10.1177/10556656261463128 Negative / Null Result ReportOpen accessMedicine
Dilek R · 2026 · PeerJ
Purpose To compare macular and choroidal findings in patients with diabetic peripheral neuropathy but no diabetic retinopathy with healthy patients. Method We compared the ganglion cell-inner plexiform layer (GCIPL), retinal nerve fiber…
View details →DOI: 10.7717/peerj.20662 Negative / Null Result ReportOpen accessMedicine
Karatepe MS, Erol YÖ · 2026 · BMC ophthalmology
BACKGROUND: Rhegmatogenous retinal detachment (RRD) with macular involvement may lead to persistent visual impairment despite successful anatomical repair. Different intravitreal tamponade agents used during pars plana vitrectomy (PPV) may…
View details →DOI: 10.1186/s12886-026-04760-6 Negative / Null Result Report
Okuno R, Homma Y, Matsuno K et al. · 2026 · Preprint
Abstract Background: As the population ages, osteoporosis is becoming a substantial health problem. Internal medicine outpatients often have multiple comorbidities and are considered at high risk for osteoporosis; however, osteoporosis…
View details →DOI: 10.21203/rs.3.rs-9878157/v1 Negative / Null Result ReportOpen accessMedicine
Harabi M, Elfalleh W, Mergby D et al. · 2026 · Frontiers in pharmacology
The study investigates the allelopathic potential of the aqueous extracts of four plants species; Cleome arabica L., Diplotaxis harra (Forssk.) Boiss., Nerium oleander L., and Retama raetam (Forssk.) Webb. Collected from Tunisian arid…
View details →DOI: 10.3389/fphar.2026.1746401 Negative / Null Result ReportOpen accessMedicine
Han S, Yang J, Qiu Y et al. · 2026 · Genes
Background/objectives Long non-coding RNAs (lncRNAs) are integral to the regulation of viral tumorigenesis. We have previously identified that the chicken lncRNA-803, which responds to Marek's disease virus (MDV), inhibits apoptosis in the…
View details →DOI: 10.3390/genes17040440 