Negative / Null Result ReportMedicine
Müller D, Gillani A, Hirschmann MT et al. · 2026 · Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
Purpose Accurate risk adjustment in total knee arthroplasty (TKA) is essential for outcome prediction and quality assessment. Most existing prediction models rely solely on patient demographics and comorbidities and do not account for…
View details →DOI: 10.1002/ksa.70480 Negative / Null Result ReportMedicine
Jiang PP, Huang HY, Zhao L et al. · 2026 · Pediatric research
Background Fortification of human milk for very preterm infants (VPIs) with alternatives to conventional bovine milk-based fortifiers remains minimally studied. This trial tested whether fortification with protein-rich bovine colostrum…
View details →DOI: 10.1038/s41390-026-04768-0 Negative / Null Result ReportMedicine
Bourdin A, Dureau S, Algret N et al. · 2026 · Retina (Philadelphia, Pa.)
Purpose To report safety outcomes of transscleral fine-needle aspiration biopsy (FNAB) followed by irradiation for uveal melanoma (UM) in a tertiary ocular oncology center over 10 years, and assess whether FNAB modified the overall…
View details →DOI: 10.1097/iae.0000000000004906 Negative / Null Result ReportMedicine
Stanula A, Strzała M, Sadowski W et al. · 2026 · Scientific reports
Post-activation performance enhancement (PAPE) has been proposed as an acute strategy to improve explosive performance, yet its effects on sprint-swimming performance remain unclear, particularly when individualized recovery timing is…
View details →DOI: 10.1038/s41598-026-51746-x Negative / Null Result Report
Ogunsanya HY, Petit C, Audenaert K et al. · 2026 · Preprint
Belgian endive-derived biostimulant (BEE) was previously shown to enhance root and shoot growth of Arabidopsis thaliana and Plectranthus esculentus in in vitro culturing conditions. In this study, we evaluated the effect of BEE on A.…
View details →DOI: 10.64898/2026.04.15.717650 Negative / Null Result ReportMedicine
Papadogiorgou G, Koskinioti P, Rodovitis V et al. · 2026 · Bulletin of entomological research
Thermal stress can affect the field performance of sterile males used in the sterile insect technique (SIT). We tested whether adding autoclaved Enterobacter as a dietary supplement improves thermal tolerance in sterile Vienna 8 genetic…
View details →DOI: 10.1017/s0007485326101035 Negative / Null Result ReportOpen accessMedicine
Hachiro K, Takashima N, Kamiya K et al. · 2026 · Circulation reports
Background The effectiveness of multiple arterial grafting (MAG) for hemodialysis (HD) patients is unclear. Methods and results We retrospectively analyzed 149 HD patients who underwent either MAG (n=97) or single arterial grafting (SAG)…
View details →DOI: 10.1253/circrep.cr-25-0302 Negative / Null Result ReportMedicine
Xiang J, Hou J, Zhang H · 2025 · Endocrine-related cancer
Follicular thyroid carcinoma (FTC) and oncocytic thyroid carcinoma (OTC) are distinct entities with differing biological behaviors, yet optimal surgical and radioactive iodine (RAI) therapy management remains debated. Demographic,…
View details →DOI: 10.1530/erc-25-0373 Negative / Null Result ReportMedicine
Lienert M, Stadler L, Kipfer N et al. · 2026 · Veterinary journal (London, England : 1997)
Objectives To investigate the effect of electroacupuncture on postoperative analgesia in dogs undergoing Tibial Tuberosity Advancement surgery. We hypothesise that acupuncture will reduce pain scores and the need for rescue analgesia…
View details →DOI: 10.1016/j.tvjl.2026.106712 Negative / Null Result Report
Khan SMS, Arooj M, Khan RA · 2026 · Preprint
Abstract Background: Artificial Intelligence (AI), particularly large language models such as ChatGPT, is increasingly used in education for drafting, tutoring, and summarization. Assessment and feedback remain core but resource-intensive…
View details →DOI: 10.21203/rs.3.rs-9393935/v1 Negative / Null Result ReportMedicine
Zaki HF, Bishri J, Abdul Muqtadir M et al. · 2026 · Experimental eye research
Background Cone-rod dystrophy (CORD) and achromatopsia (ACHM) are inherited retinal dystrophies for which conventional adeno-associated virus (AAV) gene augmentation has important limitations, particularly in autosomal-dominant…
View details →DOI: 10.1016/j.exer.2026.111119 Negative / Null Result Report
Znabu BF, Atif Z, devkota P · 2026 · Preprint
Abstract The brain continuously generates predictions about incoming sensory input and produces characteristic neural responses when those predictions are violated. In EEG oddball paradigms, these prediction-error responses manifest as the…
View details →DOI: 10.21203/rs.3.rs-9283955/v1 Negative / Null Result ReportMedicine
Blokzijl J, Kuijlaars IAR, Pisters MF et al. · 2026 · Haemophilia : the official journal of the World Federation of Hemophilia
Introduction The Haemophilia Activities List (HAL) is a disease-specific patient-reported outcome measure (PROM) that is widely used in both healthcare and research in people with inherited bleeding disorders (PWBD), but information on…
View details →DOI: 10.1111/hae.70327 Negative / Null Result ReportMedicine
Velez T, Badaki-Makun O, Hirsch D et al. · 2026 · International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases
Objective Early identification of mortality risk in critically ill children with suspected infection remains challenging. Whether severity scores (SIRS, pSOFA, Phoenix) add incremental value beyond data-derived physiologic features in…
View details →DOI: 10.1016/j.ijid.2026.108899 Negative / Null Result ReportMedicine
Al-Ibraheem A, Moghrabi S, Alsyouf B et al. · 2026 · Cancers
Background : [ 68 Ga]Ga-FAPI PET/CT demonstrates high sensitivity for tumor detection but limited specificity because benign fibro-inflammatory conditions may also show tracer uptake. Dual-time-point imaging has been proposed to improve…
View details →DOI: 10.3390/cancers18121963 Negative / Null Result ReportMedicine
Embry KR, Jayaraman C, Yang C et al. · 2026 · Journal of neuroengineering and rehabilitation
Background Powered knee and ankle prostheses generate mechanical energy to replicate biological leg function, yet direct comparisons with more commonly prescribed microprocessor-controlled knee prostheses are limited by methodological…
View details →DOI: 10.1186/s12984-026-02042-2 Negative / Null Result ReportMedicine
Herrera-Elizondo JL, Jiménez-Castillo RA, García-Compeán D et al. · 2026 · Revista de gastroenterologia de Mexico (English)
Introduction and aims The usefulness of metoclopramide for improving endoscopic visualization in upper gastrointestinal bleeding (UGIB) is controversial. Our primary aim was to evaluate the utility of metoclopramide 20 mg/IV for endoscopic…
View details →DOI: 10.1016/j.rgmxen.2026.05.005 Negative / Null Result ReportMedicine
Tamura T, Abe S, Matsui H et al. · 2026 · Journal of affective disorders
Background Dopaminergic dysfunction has been implicated in major depressive disorder (MDD), but dopamine transporter (DAT) imaging studies using conventional mean binding have yielded inconsistent findings. One possible contributor is that…
View details →DOI: 10.1016/j.jad.2026.122099 Negative / Null Result ReportMedicine
Naghizade B, Özyazgan İ, Bozkurt F et al. · 2026 · Journal of plastic, reconstructive & aesthetic surgery : JPRAS
Background Autologous fat grafting is widely used in plastic surgery, but graft survival remains unpredictable, particularly under compromised conditions such as cigarette smoking. Smoking impairs microcirculation and tissue oxygenation,…
View details →DOI: 10.1016/j.bjps.2026.05.060 Negative / Null Result ReportMedicine
Taylor-Williams O, Nossent J, Inderjeeth CA · 2026 · The Journal of rheumatology
Objective Rheumatoid arthritis (RA) is a potentially devastating autoimmune disease associated with multiple comorbidities, including osteoporosis and cardiovascular disease, which exert significant morbidity and mortality burdens. Despite…
View details →DOI: 10.3899/jrheum.2025-0635 Negative / Null Result ReportMedicine
Kiraly P, Lippera M, Ally N et al. · 2026 · Retina (Philadelphia, Pa.)
Purpose To assess whether external drainage of subretinal fluid (SRF) improves anatomical or visual outcomes in scleral buckle surgery for rhegmatogenous retinal detachment (RRD). Methods Retrospective review of 609 primary scleral buckles…
View details →DOI: 10.1097/iae.0000000000004856 Negative / Null Result ReportMedicine
Azulay N, Singstad BJ, Schirmer H et al. · 2026 · Scientific reports
In Norway, NORRISK2 is the government-recommended risk model for predicting an individual's 10-year probability of getting cardiovascular disease (CVD). This study aims to investigate the potential for improvement of CVD prediction by…
View details →DOI: 10.1038/s41598-026-57003-5 Negative / Null Result Report
Furukawa M, Narita M, Sakamoto I et al. · 2026 · Preprint
Abstract Background Six months of adjuvant S-1 is the standard treatment for resected pancreatic cancer in Japan. Metformin has demonstrated potential anticancer effects in preclinical and observational studies. This study aimed to…
View details →DOI: 10.21203/rs.3.rs-9445035/v1 Negative / Null Result ReportMedicine
Bröer S, Filor V, Bäumer W · 2026 · Journal of veterinary pharmacology and therapeutics
According to the European Association of Establishments for Veterinary Education (EAEVE), a graduate of veterinary medicine should be able to prescribe and dispense "medicines correctly and responsibly in accordance with legislation and…
View details →DOI: 10.1111/jvp.70062 Negative / Null Result ReportMedicine
Jegarl AM, Martin M, Cormier NR et al. · 2026 · Anesthesiology
Background Whether adding a bilateral superficial cervical plexus block to a thyroidectomy enhanced recovery pathway improves postoperative quality of recovery remains uncertain. Methods In a single-center prospective, randomized,…
View details →DOI: 10.1097/aln.0000000000006200 Negative / Null Result ReportMedicine
Jecan A, Melinte RM, Tomoaia G et al. · 2026 · Journal of clinical medicine
Background : Vitamin K2 (menaquinone) has been studied as a molecule with important effects on bone metabolism and has been proposed as a potential adjuvant in fracture healing, particularly under osteoporotic conditions. However, its…
View details →DOI: 10.3390/jcm15124510 Negative / Null Result ReportMedicine
Kılıç HS · 2026 · European journal of dentistry
Objective This article aims to compare the polymerization effectiveness of two curing modes of a polywave LED unit in four conventional resin composites at a 2-mm increment thickness, using bottom/top microhardness ratios as the evaluation…
View details →DOI: 10.1055/s-0046-1820081 Negative / Null Result ReportMedicine
Chang JJ, Foreman B, Kepplinger D et al. · 2026 · Neurosurgical review
Pressure reactivity index (PRx) is a surrogate for cerebral autoregulation and has been used for prognostication in aneurysmal subarachnoid hemorrhage (SAH). We examined patient-specific temporal courses of PRx and identified time…
View details →DOI: 10.1007/s10143-026-04323-9 Negative / Null Result ReportMedicine
Chun SH, Seo S, Cho JH et al. · 2026 · Head & neck
Background The benefit of consolidation programmed cell death protein 1 (PD-1) blockade after chemoradiotherapy in locoregionally advanced nasopharyngeal carcinoma (NPC) remains unclear. Methods Patients with stages II-IVB NPC were…
View details →DOI: 10.1002/hed.70329 Negative / Null Result ReportMedicine
Hongoro DJ, Kengne AP, Peer N et al. · 2026 · AIDS and behavior
Mobile health (mHealth) interventions offer scalable support for adherence and self-management, yet their effects on health-related quality of life (HRQoL) among people living with HIV (PLWH) and comorbid hypertension remain unclear. We…
View details →DOI: 10.1007/s10461-026-05128-z 