Negative / Null Result ReportMedicine
Değirmenci A, Bayar Muluk N, Budak Z et al. · 2026 · The Journal of craniofacial surgery
Objectives The possible cytotoxic effect of Centella asiatica extract on human dermal fibroblast cells was examined in this cell culture experiment. The main objective was to determine its basic safety for potential use in oral tissue…
View details →DOI: 10.1097/scs.0000000000013116 Negative / Null Result ReportMedicine
Verkaar AJCF, van Damme I, van Veldhuisen ER et al. · 2026 · Journal of sleep research
Sleep problems are highly prevalent among patients with cardiovascular diseases (CVD). We examined the effect of dietary counselling on sleep outcomes among patients with CVD. We performed secondary analyses within a previously conducted…
View details →DOI: 10.1111/jsr.70311 Negative / Null Result ReportMedicine
Hannig L, Braunger BM, Kleefeldt N et al. · 2026 · Cell and tissue research
CEACAM1 (CC1) is an important mediator of cell proliferation and adhesion and serves as an angiogenic factor through interaction with VEGF. Although the role of CC1 has been extensively studied in organs such as the heart, liver and lung…
View details →DOI: 10.1007/s00441-026-04087-0 Negative / Null Result ReportMedicine
Magrin GL, Michels R, Gil ACK et al. · 2026 · Journal of periodontal research
Aim This split-mouth randomized clinical trial aimed to assess whether incorporating platelet-rich fibrin (PRF) into a volume-stable collagen matrix results in superior reduction of recession depth after 6 months of healing in the…
View details →DOI: 10.1111/jre.70127 Negative / Null Result ReportMedicine
Nguyen E, Rusu DN, Dolan JL et al. · 2026 · Practical radiation oncology
Purpose/objective(s) - This retrospective study determines if uniform fasting protocols successfully limit stomach volume variation and proximity to the planning target volume (PTV) throughout radiation treatment. Materials/methods - 74…
View details →DOI: 10.1016/j.prro.2026.05.013 Negative / Null Result ReportMedicine
Naemura N, Fukuda Y · 2026 · [Nihon koshu eisei zasshi] Japanese journal of public health
Objectives Improving the screening rates in specific health checkups and guidance represents a challenge for health insurance providers and local governments nationwide. In this study, we evaluated SMS-based health checkup encouragement…
View details →DOI: 10.11236/jph.25-133 Negative / Null Result ReportMedicine
de Castro T, Viana LH, Botelho S et al. · 2026 · International urogynecology journal
Introduction and hypothesis Approximately 60% of women experience some degree of perineal laceration following vaginal delivery. Although there is evidence supporting the use of photobiomodulation (PBM) for pain relief and wound healing in…
View details →DOI: 10.1007/s00192-026-06686-5 Negative / Null Result ReportMedicine
Vermedal H, Hellings IR, Fretheim-Kelly ZL et al. · 2026 · Equine veterinary journal
Background Exercise-related upper respiratory tract (URT) disorders are frequently diagnosed in racehorses. Treatment recommendations are routinely based on subjective assessment of clinical evaluation and exercising endoscopy findings.…
View details →DOI: 10.1002/evj.70211 Negative / Null Result ReportMedicine
Okutan AE, Kehribar L, Gürün E et al. · 2026 · International orthopaedics
Purpose To evaluate 1-year clinical and functional outcomes, as well as donor-site morbidity based on quadriceps muscle morphology, after primary single-bundle ACLR using a quadrupled RF tendon autograft. Methods Patients who underwent…
View details →DOI: 10.1007/s00264-026-06886-0 Negative / Null Result ReportOpen accessMedicine
Jabba SV, Erythropel HC, Anastas PT et al. · 2026 · Tobacco prevention & cessation
Since late 2022, the sale of most flavored tobacco products has been prohibited in California, including menthol cigarettes. Tobacco companies responded by introducing 'non-menthol' cigarettes in which menthol was replaced with WS-3, an…
View details →DOI: 10.18332/tpc/217322 Negative / Null Result Report
Rehman MU · 2026 · Preprint
Abstract The X-ray repair cross-complementing protein 1 (XRCC1) is a central scaffold protein involved in DNA single-strand break repair (SSBR), coordinating the assembly of multi-protein repair complexes. Its activity is regulated by…
View details →DOI: 10.21203/rs.3.rs-9455541/v1 Negative / Null Result ReportMedicine
Kaw R, Shekhar S, Mehra R et al. · 2026 · Chest
Background Heart failure (HF) is common in obesity hypoventilation syndrome (OHS). We explored the impact of HF on in-hospital outcomes of patients with or at risk of OHS who were treated with mechanical ventilation (MV), noninvasive…
View details →DOI: 10.1016/j.chest.2025.11.039 Negative / Null Result Report
Jerabek S, Kim J, Sung J et al. · 2026 · Preprint
ABSTRACT Cas9-based tools enable the introduction of genetic lesions to investigate DNA repair outcomes and edit the genome at disease-relevant loci. DNA double-strand breaks (DSBs) induced by CRISPR/Cas9 result in frequent aneuploidy and…
View details →DOI: 10.64898/2026.05.30.728989 Negative / Null Result ReportMedicine
Berge T, Vuletić F, Bøe B · 2026 · Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
Purpose To compare clinical and radiological outcomes 1 year after Arthroscopic Latarjet procedure, using two different fixation techniques: screw or suture button fixation. Methods This retrospective comparative cohort study included 75…
View details →DOI: 10.1002/ksa.70426 Negative / Null Result ReportMedicine
Graetz C, Löwe C, Übermuth S et al. · 2026 · International journal of dental hygiene
Objective Bristle splaying may be associated with reduced cleaning efficacy; however, the relationship between the bristle splaying index (BSI) and contact pressure (CP) during brushing with a powered toothbrush (PT) with real-time CP…
View details →DOI: 10.1111/idh.70101 Negative / Null Result Report
Copps M, Solmi F, Viding E et al. · 2026 · Preprint
BackgroundIrritability is a distressing and disabling transdiagnostic symptom of emotion dysregulation. Despite some obvious links between irritability and eating behaviours this relationship is rarely studied.AimsWe examined longitudinal…
View details →DOI: 10.31234/osf.io/7zye9_v1 Negative / Null Result Report
Yamaguchi H, Arioka M · 2026 · Preprint
Abstract We previously reported that in the filamentous fungus Aspergillus oryzae entire nuclei were degraded by autophagy when cells are exposed to nutrient starvation. In this study we investigated the roles of vacuolar proteases in…
View details →DOI: 10.21203/rs.3.rs-8802980/v1 Negative / Null Result ReportMedicine
Vrba J, Havlasek J, Dostalova K et al. · 2026 · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
Cannabidiol (CBD) is known to activate aryl hydrocarbon receptor (AhR) and expression of cytochromes P450 (CYP) 1A. This study examined the effect of cannabigerol (CBG) on the AhR/CYP1A pathway in HepG2 cells, human hepatocytes, and normal…
View details →DOI: 10.1016/j.fct.2026.116156 Negative / Null Result ReportMedicine
Negrila A, Radu RA, Terecoasa EO et al. · 2026 · Journal of neurointerventional surgery
Background Endovascular thrombectomy (EVT) is a time-sensitive treatment for acute ischemic stroke, and hub-and-spoke systems have expanded patient access to this intervention. However, overcrowding at comprehensive stroke centers (CSCs)…
View details →DOI: 10.1136/jnis-2026-025430 Negative / Null Result ReportMedicine
Kuznetsova DA, Kuznetsov DM, Lyubina AP et al. · 2026 · Biochimica et biophysica acta. Biomembranes
The design of effective non-viral nucleic acid delivery systems based on cationic amphiphilic compounds remains a major challenge in biomedical research. In this study, cationic benzimidazolium surfactants (BI-n) and cationic liposomes…
View details →DOI: 10.1016/j.bbamem.2026.184549 Negative / Null Result ReportMedicine
Nakagawa A, Matsuoka Y, Seo M et al. · 2026 · Circulation journal : official journal of the Japanese Circulation Society
Background Patients with heart failure with preserved ejection fraction (HFpEF) and right ventricular (RV)-pulmonary arterial (PA) uncoupling, as assessed by a decrease ratio of tricuspid annular plane systolic excursion (TAPSE) to PA…
View details →DOI: 10.1253/circj.cj-26-0152 Negative / Null Result ReportMedicine
Hussain SK, Ayoub WS, Cruz-Correa M et al. · 2026 · Cancer prevention research (Philadelphia, Pa.)
Hepatocellular carcinoma (HCC) is a lethal cancer with rising burden. Few clinical trials have evaluated preventive strategies for HCC in high-risk patients with liver cirrhosis. Observational studies show statins are associated with…
View details →DOI: 10.1158/1940-6207.capr-25-0241 Negative / Null Result ReportMedicine
Kumar N, Prasad S, Srivastava MVP et al. · 2026 · The Journal of clinical psychiatry
Background: Negative symptoms remain among the most debilitating and treatment-resistant features of schizophrenia. Repetitive transcranial magnetic stimulation, particularly intermittent theta burst stimulation (iTBS), is emerging as a…
View details →DOI: 10.4088/jcp.25m16093 Negative / Null Result ReportMedicine
Cowan C, Harmon EY, Melewski M et al. · 2026 · The American journal of occupational therapy : official publication of the American Occupational Therapy Association
Importance Understanding how upper extremity (UE) robotic therapy (RT) affects efficiency and effectiveness of inpatient rehabilitation is important to advancing poststroke treatment and recovery. Objective To determine whether UE RT…
View details →DOI: 10.5014/ajot.2026.051412 Negative / Null Result ReportMedicine
Abdelgaied MY, Abdelgawad O, Rashad MH et al. · 2026 · Journal of neuroimmunology
Background Neurodegeneration and inflammation can accelerate the demyelination process in multiple sclerosis (MS). We aimed to investigate the efficacy and tolerability of metformin as an add-on treatment to interferon Beta 1a (IFNβ-1a) in…
View details →DOI: 10.1016/j.jneuroim.2025.578852 Negative / Null Result ReportOpen accessMedicine
Aust H, Kranke P, Torossian A et al. · 2026 · Cancers
Background Isolated Perfusion Chemotherapy (IPC) with balloon occlusion creates transient ischemic tissue compartments while patients remain exposed to significant perioperative heat loss. Active warming during these phases is commonly…
View details →DOI: 10.3390/cancers18101640 Negative / Null Result Report
Xia C, Yang R, Ou S et al. · 2026 · Preprint
Abstract Background Robotic-assisted unicompartmental knee arthroplasty (RA-UKA) improves component alignment; however, improved radiographic precision does not consistently translate into superior clinical outcomes. Nutritional status may…
View details →DOI: 10.21203/rs.3.rs-9052959/v1 Negative / Null Result ReportMedicine
Mohar S, Crawford AM, Vásquez US et al. · 2026 · BMC medical education
Background Effective airway management is essential for patient safety across prehospital, perioperative, and critical care settings. Traditional training, largely based on lectures and brief skills stations, may be insufficient to develop…
View details →DOI: 10.1186/s12909-026-09552-6 Negative / Null Result ReportMedicine
Jeppesen TD, Jedrzejczyk JH, Vingborg AL et al. · 2026 · Cardiovascular engineering and technology
Purpose Freeze-preservation of porcine aortic tissue is often necessary for experimental planning and standardization, but the impact of freezing on aortic root properties has not been systematically investigated. This study evaluated the…
View details →DOI: 10.1007/s13239-026-00833-1 Negative / Null Result ReportMedicine
Kretzschmar HA, Abouabdillah A, Bouabid R et al. · 2026 · Potato Res..
The Fès-Meknès region in Morocco is characterized by a typical Mediterranean climate and the cultivation of water-demanding, locally well-established cash crops, such as potato (Solanum tuberosum L.). Therefore, this region is likely to…
