Negative / Null Result ReportOpen accessMedicine
Jain M, Pal DK, Narayan Sahu R et al. · 2025 · World journal of orthopedics
Background Sagittal spinopelvic alignment (SSA) is essential for preserving a stable and effective upright posture and locomotion. Although alterations in the SSA are recognised to induce compensatory modifications in the pelvis, hips, and…
View details →DOI: 10.5312/wjo.v16.i7.107869 Negative / Null Result ReportOpen accessMedicine
Buchta C, Aberle SW, Görzer I et al. · 2024 · Wiener klinische Wochenschrift
Background External quality assessment (EQA) schemes provide objective feedback to participating laboratories about the performance of their analytical systems and information about overall regional analytical performance. The EQAs are…
View details →DOI: 10.1007/s00508-024-02353-1 Negative / Null Result ReportOpen accessMedicine
Katz A, Kreiner M, Korain Blank P et al. · 2025 · Journal of pediatric orthopedics
Background Clubfoot is a congenital condition affecting 1 to 2 per 1000 live births, with treatment primarily involving the Ponseti method and/or surgical intervention. It is important to ascertain whether children affected by clubfoot are…
View details →DOI: 10.1097/bpo.0000000000003049 Negative / Null Result ReportMedicine
Zeinhom MG, Elsayed Khalil MF, Omar Youssif TY et al. · 2025 · Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia
Although topiramate and valproate are antiseizure medications that have many contraindications and could produce many side effects, they are still used as migraine preventive therapy in middle- and low-income countries. Several trials…
View details →DOI: 10.1016/j.jocn.2025.111156 Negative / Null Result ReportOpen accessMedicine
La Jeon Y, Lee SG, Lee EH et al. · 2023 · Diagnostic microbiology and infectious disease
We investigated whether inconclusive results could be interpreted differently depending on the situation. First, data from retesting of the initial samples from subjects without a confirmed COVID-19 history were analyzed. And by analyzing…
View details →DOI: 10.1016/j.diagmicrobio.2022.115888 Negative / Null Result ReportOpen accessMedicine
Palomino-Padilla S, Caceres-Cardenas G, Calderon R et al. · 2024 · Frontiers in public health
Objectives The COVID-19 pandemic caused a global shortage of nasopharyngeal (NP) swabs, required for RT-PCR testing. Canadian manufacturers were contacted to share NP swab innovations. The primary objective was to determine whether novel…
View details →DOI: 10.3389/fpubh.2024.1344295 Negative / Null Result ReportMedicine
Wang L, Xue C, Zhu B et al. · 2025 · Peritoneal dialysis international : journal of the International Society for Peritoneal Dialysis
Background/objective Data in terms of how dynamic changes of muscle mass and function affect mortality in end-stage kidney disease (ESKD) patients undergoing dialysis have led to inconclusive results. The main goal of this research was to…
View details →DOI: 10.1177/08968608241288958 Negative / Null Result Report
Bevilacqua C, Boscarato V, Pieroni G et al. · 2024 · Preprint
Background: developmental dysplasia of the hip (DDH) is a condition characterized by abnormal hip development in infancy. Early diagnosis allows for effective treatment, while late presentation often necessitates complex surgical…
View details →DOI: 10.20944/preprints202406.0151.v1 Negative / Null Result ReportOpen accessMedicine
Rajamanickam SK, Prades Morera E, Agarwal A et al. · 2025 · Cureus
Background Fine needle aspiration cytology (FNAC) is widely used to evaluate head and neck masses, with both ultrasound (US)-guided and freehand techniques being employed. While US-guided FNAC is thought to enhance accuracy, freehand FNAC…
View details →DOI: 10.7759/cureus.82830 Negative / Null Result ReportMedicine
Fortier A, Zouaoui I, Dumais A et al. · 2024 · Psychiatric services (Washington, D.C.)
Objective Recreational cannabis legalization (RCL) is expanding rapidly. RCL's effects on mental health issues are of particular concern because cannabis use is more frequent among people receiving psychiatric care and is associated with…
View details →DOI: 10.1176/appi.ps.20230434 Negative / Null Result ReportMedicine
Rodrigo C, Gnanathasan A · 2024 · Transactions of the Royal Society of Tropical Medicine and Hygiene
Globally, snakebites cause an estimated 80 000-140 000 deaths annually. While there are evidence-based recommendations for managing snakebite victims, recommendations on the prevention of snakebites are limited to expert opinions. We…
View details →DOI: 10.1093/trstmh/trad088 Negative / Null Result ReportMedicine
Paisant A, Faroche E, Fouche A et al. · 2024 · Abdominal radiology (New York)
Purpose Preoperative imaging is now recommended in patients with suspected acute appendicitis (AA) by the World Society of Emergency Surgery. Our aims were (i) to describe our local practice and (ii) to evaluate the efficiency of…
View details →DOI: 10.1007/s00261-024-04471-w Negative / Null Result ReportOpen accessMedicine
Hinney B, Wiedermann S, Vaneev X et al. · 2024 · Parasites & vectors
The population of South American camelids (SAC) has been steadily growing in Europe, where they are confronted with the regional endoparasite population of ruminants. As there are no anthelmintic drugs registered for use against nematode…
View details →DOI: 10.1186/s13071-024-06377-4 Negative / Null Result Report
Shen C, Zhu Z, Zhang X et al. · 2024 · Preprint
Purpose: Numerous epidemiological studies have explored the association between the components of metabolic syndrome (MetS) and risk of prostate cancer (PCa). However, to date, the findings have yielded inconclusive results. This study…
View details →DOI: 10.21203/rs.3.rs-4205784/v1 Negative / Null Result ReportMedicine
Mildner FO, Sykora MM, Hackl H et al. · 2024 · Lung cancer (Amsterdam, Netherlands)
Background Cancer immune evasion is critical in non-small cell lung cancer (NSCLC) and has been targeted by immunotherapy. High soluble (s)PD-L1 is associated with reduced survival and treatment failure in advanced stages. Here we…
View details →DOI: 10.1016/j.lungcan.2024.107955 Negative / Null Result Report
Johnson MS, Adams VM, Byrne J · 2024 · Preprint
Abstract Effective adaptation to climate risks requires identifying and realizing community beliefs about which locations require management attention. Environmental planners and asset managers, especially those in rural and regional…
View details →DOI: 10.21203/rs.3.rs-3412143/v1 Negative / Null Result ReportOpen accessMedicine
Le NT, Nguyen TG, Huynh NYN et al. · 2025 · Scientific reports
Dietary calcium's role in human health and disease prevention is inconclusive. We examined the associations between dietary calcium intake and the risk of overall and specific causes of mortality. A prospective cohort study was performed…
View details →DOI: 10.1038/s41598-025-10484-2 Negative / Null Result ReportOpen accessMedicine
Manni G, Pambianco M, Sicuro C et al. · 2025 · International journal of molecular sciences
Hepatic actinomycosis (HA) and IgG4-related inflammatory pseudotumors are rare and often overlooked causes of liver mass, which can easily be misdiagnosed as primary liver cancer or metastasis. Diagnosis is arduous due to unspecified…
View details →DOI: 10.3390/ijms26199420 Negative / Null Result ReportOpen accessMedicine
Borz-Baba L, Aydin A, Parvin R · 2026 · Cureus
Metabolic-associated steatotic liver disease (MASLD) is a common medical condition that can progress to metabolic-associated steatohepatitis (MASH) and advanced fibrosis, leading to severe outcomes. Liver biopsy continues to be the…
View details →DOI: 10.7759/cureus.103284 Negative / Null Result ReportMedicine
Sakuma K, Yoshimura K · 2026 · Journal of environmental radioactivity
Tritium ( 3 H) is the principal radionuclide remaining in ALPS-treated water discharged from the Fukushima Dai-ichi Nuclear Power Plant (FDNPP), and its potential environmental impact has drawn considerable attention. To evaluate possible…
View details →DOI: 10.1016/j.jenvrad.2026.108055 Negative / Null Result ReportOpen accessMedicine
Larson ME, Pan Y, Reidy L et al. · 2026 · PloS one
People with HIV (PWH) experience elevated cardiovascular disease risk compared to people without HIV. Stimulant use may further increase subclinical myocardial injury among PWH, but data on cardiovascular biomarkers, including serum…
View details →DOI: 10.1371/journal.pone.0350086 Negative / Null Result ReportMedicine
Geamănu A, Pîrvulescu RA, Tricorache D et al. · 2026 · Diagnostics (Basel, Switzerland)
Background: Hydroxychloroquine (HCQ) is widely used in systemic lupus erythematosus (SLE), yet cumulative exposure may result in progressive retinal toxicity. Structural biomarkers capable of identifying subclinical damage remain…
View details →DOI: 10.3390/diagnostics16121867 Negative / Null Result ReportMedicine
Sung K · 2026 · Environmental management
Trail penetration within strictly designated protected areas is often treated as a conservation concern, yet its consequences for vegetation trends at national scales remain empirically unresolved. This study evaluated whether trail…
View details →DOI: 10.1007/s00267-026-02544-8 Negative / Null Result ReportMedicine
Simonis L, Marcour Y, Embacher J et al. · 2026 · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association
Background & aims Assessment of hepatic steatosis is key for diagnosis and monitoring of steatotic liver disease. Controlled attenuation parameter is widely used, but concerns regarding its measurement variability exist. We evaluated the…
View details →DOI: 10.1016/j.cgh.2026.05.006 Negative / Null Result ReportMedicine
Ünlü C, Aksoy H · 2026 · BMC pregnancy and childbirth
Background Anti-D immunoglobulin administered in the early third trimester to Rhesus D negative women with Rhesus D incompatibility is widely assumed to provide protection against silent fetomaternal haemorrhage until delivery. However,…
View details →DOI: 10.1186/s12884-026-09530-2 Negative / Null Result ReportOpen accessMedicine
Corn E, Becht K, Adefres B et al. · 2026 · Gynecologic oncology reports
Purpose Cervical cancer is the number one cause of cancer-related mortality for women in Botswana, where care is complicated by the country's severe shortage of gynecologic oncologists. Recent data suggests that "low-risk" stage I cervical…
View details →DOI: 10.1016/j.gore.2026.102089 Negative / Null Result ReportOpen accessMedicine
Martinos N, Kroupis C, Gypari M et al. · 2026 · Current issues in molecular biology
Background/objectives Histologic mucosal healing is an increasingly recognized therapeutic target in inflammatory bowel disease (IBD), yet reliable non-invasive correlates remain limited. This study aimed to evaluate circulating cytokine…
View details →DOI: 10.3390/cimb48050516 Methods Dead-End
Kim EJ, Kim SY, Kee YK et al. · 2026 · Preprint
Abstract Far-infrared (FIR) therapy has been proposed to improve vascular access flow (Qa) in patients receiving maintenance hemodialysis through an arteriovenous fistula (AVF) or arteriovenous graft (AVG). However, vascular access blood…
View details →DOI: 10.21203/rs.3.rs-9732400/v1 Methods Dead-End
Han P, Chen P, Zhang L et al. · 2026 · Preprint
Abstract Background Small-incision lenticule extraction (SMILE) removes an intrastromal lenticule whose stiffness differs between corneal meridians, producing measurable stromal mechanical anisotropy. Whether this meridional anisotropy…
View details →DOI: 10.21203/rs.3.rs-9942382/v1 Negative / Null Result ReportOpen accessMedicine
Walmsley SL, Nabipoor M, Qi F et al. · 2026 · Clinical & translational immunology
Objectives To assess neutralizing antibody responses to emerging SARS-CoV-2 variants. Methods We explored SARS-CoV-2 neutralizing antibodies in140 adults participating in a longitudinal study of antibody responses to COVID vaccines.…
View details →DOI: 10.1002/cti2.70095 