Negative / Null Result ReportMedicine
Ivanov AL, Reshetnyak EI, Sukacheva SA · 2026 · Stomatologiia
Objective To evaluate mandibular donor site healing after cortical bone graft harvesting in cleft patients, comparing outcomes of osteotomies performed with rotary burs and piezosurgery. Material and methods Fifty-three patients (64 bone…
View details →DOI: 10.17116/stomat202610501137 Negative / Null Result ReportMedicine
Marshall PW, Benatar JR, O'Halloran P et al. · 2026 · Heart, lung & circulation
Aim Suboptimal enrolment and engagement in cardiac rehabilitation remains a persistent issue worldwide. This study evaluated the impact of a nurse-specialist-delivered motivational interviewing (MI) and cognitive behavioural therapy (CBT)…
View details →DOI: 10.1016/j.hlc.2025.10.006 Negative / Null Result ReportMedicine
Jeong Y, Park KH, Jeoung JW · 2026 · The British journal of ophthalmology
Background/aims This study evaluates the relationship between the iridotrabecular contact (ITC) index and various anterior segment parameters, with a particular focus on lens-related parameters, given their clinical relevance in primary…
View details →DOI: 10.1136/bjo-2024-326725 Negative / Null Result ReportMedicine
Kang Y, Workneh F, Yibeltal K et al. · 2026 · The Journal of nutrition
Background Suboptimal gestational weight gain (GWG) is associated with adverse pregnancy outcomes; however, evidence on the impact of nutritional interventions on GWG in low-income settings remains limited. Objectives This study aims to…
View details →DOI: 10.1016/j.tjnut.2026.101653 Negative / Null Result ReportOpen accessMedicine
Allotey J, Junaid F, Peréz T et al. · 2026 · BMJ neurology open
Background Serum lamotrigine concentrations fall during pregnancy, and therapeutic drug monitoring is often used to guide dose adjustment. We do not know whether serial antenatal measurements improve prediction of seizure risk in pregnant…
View details →DOI: 10.1136/bmjno-2026-001547 Negative / Null Result Report
Orozco MPV, Seefluth D, Ciston AB et al. · 2025 · Preprint
Focusing on external movement outcomes rather than the movements themselves has been reported to enhance motor performance, although the mechanisms for this attentional focus effect remain unclear. We examined whether the effectiveness of…
View details →DOI: 10.31234/osf.io/wsm8t_v1 Negative / Null Result Report
Nyström L, Granhag A, Neofotistos E et al. · 2026 · Preprint
Introduction. The Shift-of-Strategy (SoS) approach aims to obtain concealed information from semi-cooperative suspects by prompting them to shift toward more forthcoming counter-interrogation strategies. While previous studies on the…
View details →DOI: 10.31234/osf.io/8uzbn_v2 Negative / Null Result ReportMedicine
Khan A, Islam I, Mannakkara N et al. · 2026 · Future cardiology
Background Echocardiography after myocardial infarction (MI) provides clinically useful information through assessment of regional wall motion abnormalities, but interpretation requires expertise and remains subject to observer…
View details →DOI: 10.1080/14796678.2026.2620956 Negative / Null Result ReportMedicine
Ystrøm IK, Jensen SK, Andersen IT et al. · 2026 · Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association
Background and hypothesis IgA nephropathy (IgAN) is the leading cause of primary glomerulonephritis; however, reported incidences and prevalences vary substantially across countries. This study assessed the epidemiology of IgAN including…
View details →DOI: 10.1093/ndt/gfag021 Negative / Null Result ReportMedicine
van de Bovenkamp AA, Nassiri S, de Man FS et al. · 2026 · European journal of heart failure
Aims Iron deficiency (ID) is common in patients with heart failure with preserved ejection fraction (HFpEF). The IRON-HFpEF trial aimed to evaluate the mechanistic effects of intravenous iron supplementation on cardiovascular function and…
View details →DOI: 10.1093/ejhf/xuag162 Negative / Null Result ReportMedicine
Yi Y, Yano K · 2025 · Physiologia Plantarum.
Elevated CO₂ (eCO₂) can enhance plant growth, but it may also accelerate senescence, which could offset the growth benefits. Phosphorus (P) supply can enhance the photosynthetic rate under eCO₂ conditions and promote biomass accumulation.…
Negative / Null Result Report
Sponholtz MR, Ma D, Byrne PO et al. · 2026 · Preprint
ABSTRACT Herpes simplex virus type 2 (HSV-2) causes genital herpes through latent infection and periodic reactivation. Although antivirals alleviate symptoms, no prophylactic or therapeutic vaccines have been licensed. Glycoprotein B (gB)…
View details →DOI: 10.64898/2026.01.26.701809 Negative / Null Result ReportMedicine
Hagger V, Hendrieckx C, Cotterill A et al. · 2026 · Diabetic medicine : a journal of the British Diabetic Association
Aim To examine changes in psychological and clinical outcomes among adolescents and parents after structured type 1 diabetes education delivered in routine care. Methods Teens Empowered to Actively Manage Type 1 Diabetes (TEAM T1) is a…
View details →DOI: 10.1111/dme.70244 Negative / Null Result ReportMedicine
Nakatsuka M, Pelletier-Roy R, Paturi A et al. · 2026 · Spine
Study design Retrospective cohort study of patients undergoing single-level L5-S1 anterior or transforaminal lumbar interbody fusion between 2012 and 2024 at a single academic institution, with preoperative and one-year postoperative…
View details →DOI: 10.1097/brs.0000000000005643 Negative / Null Result ReportOpen accessMedicine
Perrier Q, Lablanche S, Moro C · 2026 · Lasers in medical science
Photobiomodulation (PBM) has been shown to protect pancreatic islets under inflammatory or metabolic stress, but its effects during hypoxia-reperfusion remain unclear. We evaluated PBM applied as preconditioning or during…
View details →DOI: 10.1007/s10103-026-04867-8 Negative / Null Result ReportMedicine
Li JL, Wu JH, Zhao X et al. · 2026 · Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing
BACKGROUND: The role of prophylactic cavotricuspid isthmus (CTI) ablation remains controversial in atrial fibrillation (AF) patients without atrial flutter (AFL). Given the strong association between AF, AFL, and age, this study aimed to…
View details →DOI: 10.1007/s10840-026-02305-x Negative / Null Result ReportOpen accessMedicine
Hertig D, Furian M, Müller J et al. · 2026 · ERJ open research
Background Little is known about the effects of portable supplemental oxygen therapy (SOT) to improve exercise performance in highlanders at risk for high-altitude pulmonary hypertension (HAPH). We aimed to investigate whether SOT improves…
View details →DOI: 10.1183/23120541.00724-2025 Negative / Null Result ReportMedicine
Martins BM, Vieira RAM, Bittencourt CS et al. · 2025 · Journal of dairy science
This study evaluated the effects of propionic acid inclusion (PAI; 0, 0.25, and 0.50% of fresh matter) and ensiling time (ENT; 30, 60, 90, 120, 150, and 180 d) on the chemical composition, fermentation profile, DM losses, and in situ…
View details →DOI: 10.3168/jds.2025-26841 Negative / Null Result ReportMedicine
Jeon SH, Song C, Jeon JH et al. · 2026 · Cancer research and treatment
Purpose The aim of this study was to identify subgroups of patients with pathologic N2 (pN2) non-small cell lung cancer (NSCLC) who may benefit from postoperative radiotherapy (PORT). Particular attention was given to evaluating whether…
View details →DOI: 10.4143/crt.2025.644 Negative / Null Result ReportMedicine
Moreau J, Neyraud C, Huguet H et al. · 2026 · European journal of cardiovascular nursing
Aims Despite significant medical advances in recent decades, cardiopulmonary fitness decreases faster in youth with congenital heart disease (CHD) than in healthy peers, resulting in impaired health-related quality of life (HRQoL) and…
View details →DOI: 10.1093/eurjcn/zvag115 Negative / Null Result Report
Juma OA, Ochieng ME, Magak NM et al. · 2026 · Preprint
Abstract Background ART has reduced HIV mortality, but dyslipidaemia and thyroid dysfunction are increasingly observed; effects in Kisumu County remain unclear. Methodology Serum lipids (TC, TG, HDL, LDL) and thyroid hormones (TSH, T4, T3)…
View details →DOI: 10.21203/rs.3.rs-9555257/v1 Negative / Null Result ReportMedicine
Goksoy B, Ofluoglu CB, Azamat IF et al. · 2026 · Surgical oncology
Background Medial-to-lateral (ML) approach is the standard technique in laparoscopic surgery for left-sided colon cancer. However, it can be technically challenging; such as in patients with intra-abdominal adhesions or during splenic…
View details →DOI: 10.1016/j.suronc.2026.102354 Negative / Null Result ReportMedicine
Andriotti NM, Paris W, Maia FJ et al. · 2026 · Animal Feed Science and Technology.
Feed additives that improve energy metabolism efficiency can enhance cattle performance and nitrogen use. This study evaluated the effects of guanidinoacetic acid (GAA) and methionine (MET) supplementation, alone or combined, on…
Negative / Null Result ReportMedicine
Perton FT, Pouw JN, Spierings J et al. · 2026 · Arthritis research & therapy
Background To investigate the associations of circulating immune cell biomarkers with clinical manifestations and treatment response in Psoriatic Arthritis (PsA), and to evaluate whether these biomarkers improve prediction of individual…
View details →DOI: 10.1186/s13075-026-03833-7 Negative / Null Result ReportMedicine
Mcloughlin C, Ramsay N, Tak L et al. · 2026 · Journal of psychosomatic research
Background Stigma in Functional Neurological Disorder has been consistently reported by patient organisations as one of their biggest challenges. We aimed to longitudinally evaluate different components of stigma, namely perceived,…
View details →DOI: 10.1016/j.jpsychores.2026.112550 Negative / Null Result ReportMedicine
Engel H, Yilmaz C, Appelhans D et al. · 2026 · International journal of sport nutrition and exercise metabolism
Caffeine enhances endurance performance but may impair shooting accuracy, creating a potential trade-off for overall biathlon performance. In a randomized, placebo-controlled, crossover study, seven elite male biathletes consumed caffeine…
View details →DOI: 10.1123/ijsnem.2025-0138 Negative / Null Result ReportMedicine
Pairojboriboon S, Charakorn K, Promoppatum P · 2026 · Expert review of medical devices
Background 3D-printed patient-specific pedicle screw guides (3DPSG) may provide accuracy comparable to intraoperative CT navigation (CTNav). Our 3DPSG workflow incorporates a virtual surgical planning (VSP) platform that uses deep-learning…
View details →DOI: 10.1080/17434440.2026.2687808 Negative / Null Result ReportOpen accessMedicine
Barton JC, Barton JC, Bertoli LF et al. · 2026 · PloS one
Background HFE p.C282Y (rs1800562) homozygotes, including those with normal iron phenotypes, have increased risks of infection and death from infections, although serum IgA and IgM in cohorts of adults with p.C282Y homozygosity are not…
View details →DOI: 10.1371/journal.pone.0352148 Negative / Null Result ReportMedicine
Karlsson E, Dalén M, Svenarud P et al. · 2026 · Scandinavian cardiovascular journal : SCJ
Objectives Jehovah's Witnesses categorically refuse allogenic blood transfusions on religious grounds, a major challenge if intervention for heart disease is required. We retrospectively analyzed outcome after open-heart surgery in 26…
View details →DOI: 10.1080/14017431.2026.2690764 Negative / Null Result ReportMedicine
Xu T, Zhao J, Wu J et al. · 2026 · Infectious agents and cancer
Objective This study examined the association between high risk human papillomavirus viral load and cervical squamous lesions using the Cobas 4800 assay and evaluated its potential as an indicator for identifying CIN2+, and analyzed the…
View details →DOI: 10.1186/s13027-026-00770-7 