Negative / Null Result ReportMedicine
Schulz JV, Doerflinger JT, Behm C et al. · 2026 · Health psychology : official journal of the Division of Health Psychology, American Psychological Association
Objective This study compares three models of parental human papillomavirus (HPV) vaccination intentions across United States, United Kingdom, and Germany: A model based on the theory of planned behavior (TPB), a model incorporating…
View details →DOI: 10.1037/hea0001596 Negative / Null Result ReportOpen accessMedicine
Yang Y, He Y, Lin B et al. · 2026 · Health care science
Background The aim of this study was to investigate the clinical value of combined detection of preoperative serum calcitonin (Ctn) and carcinoembryonic antigen (CEA) for diagnosing medullary thyroid carcinoma (MTC), as well as predicting…
View details →DOI: 10.1002/hcs2.70074 Negative / Null Result ReportMedicine
Drago E, Lavarello C, Alongi A et al. · 2026 · Clinical and experimental rheumatology
Objectives Development and psychometric evaluation of a disease-specific, paediatric-targeted multidimensional questionnaire for the assessment of juvenile fibromyalgia syndrome (JFS) in routine clinical practice. Methods The Juvenile…
View details →DOI: 10.55563/clinexprheumatol/0v4aqh Negative / Null Result ReportMedicine
Genuth G, Stavrou P, Brown C et al. · 2026 · Foot & ankle international
Background Acute lateral ankle sprains are among the most common musculoskeletal injuries, accounting for up to 20% of all sports-related injuries and a leading cause of time lost from athletic participation. Although most cases respond to…
View details →DOI: 10.1177/10711007261422252 Negative / Null Result Report
Hebisch J, Van Puyenbroeck P, Schwabe L et al. · 2025 · Preprint
A bstract Brainstem arousal systems including the locus coeruleus noradrenaline system, respond transiently to behaviorally relevant events. Locus coeruleus activity also drives dilations of the pupil, which are often observed during…
View details →DOI: 10.64898/2025.12.23.696068 Negative / Null Result ReportMedicine
Dertsiz Kozan B, Utlu B · 2026 · International ophthalmology
Purpose To investigate the effects of Mitomycin-C (MMC) use and duration of application on surgical outcomes in patients who underwent 3 snip punctoplasty for epiphora. Material and methods Demographic characteristics, follow-up period,…
View details →DOI: 10.1007/s10792-026-03970-7 Negative / Null Result Report
Shi Z, Chen X, Chun Y et al. · 2026 · Preprint
Abstract Objective To evaluate the efficacy, safety, and prognostic factors of chimeric antigen receptor-T cell (CAR-T) therapy in patients with relapsed/refractory ileocecal lymphoma and provide evidence for salvage therapy. Methods This…
View details →DOI: 10.21203/rs.3.rs-8776621/v1 Negative / Null Result ReportMedicine
Pérez-Fernández N, Arbizu L · 2026 · Journal of clinical medicine
Background : Differentiating Ménière's disease (MD) from vestibular migraine (VM) remains difficult because current diagnostic frameworks are predominantly clinical and incorporate pure-tone thresholds, risking incorporation bias. We asked…
View details →DOI: 10.3390/jcm15051908 Negative / Null Result Report
Morales AA, Camarena V, Peart L et al. · 2025 · Preprint
Abstract Geleophysic dysplasia (GD) is a rare genetic disorder characterized by short stature, joint contractures, and cardiopulmonary complications, with early mortality, and linked to mutations in ADAMTSL2 (GD1), FBN1 (GD2), or LTBP3…
View details →DOI: 10.21203/rs.3.rs-8301608/v1 Negative / Null Result ReportMedicine
Fatima H, Schaffert J, Carlew AR et al. · 2025 · The Clinical neuropsychologist
Objective Cognitive dispersion (CD) or neuropsychological test score variability has been associated with more rapid cognitive decline, and the development of mild cognitive impairment (MCI) and Alzheimer's disease (AD). The predictive…
View details →DOI: 10.1080/13854046.2025.2577149 Negative / Null Result ReportMedicine
Agyeman AA, Buggiotti L, Brown LK et al. · 2026 · British journal of clinical pharmacology
Aims The repurposed use of favipiravir in COVID-19 has been reported to have limited clinical efficacy, yet it has been widely used in some countries. Favipiravir causes mutagenesis in RNA viruses, and it is currently unknown whether it…
View details →DOI: 10.1002/bcp.70507 Negative / Null Result ReportMedicine
Khoshnevis A, Zayernouri M, Malete L et al. · 2026 · Journal of voice : official journal of the Voice Foundation
Objective Voice-based biomarkers have been proposed as objective tools for anxiety assessment, yet existing research relies on small, demographically homogeneous samples and shows inconsistent associations between fundamental frequency (F…
View details →DOI: 10.1016/j.jvoice.2026.03.014 Negative / Null Result ReportMedicine
Kwon Y, Park J, Kim D et al. · 2026 · Obesity surgery
Background While bariatric surgery (BS) is an effective treatment for gout in patients with morbid obesity, little is known about how BS influences subsequent use of gout medications. We investigated the impact of BS on gout medication…
View details →DOI: 10.1007/s11695-025-08445-9 Negative / Null Result ReportMedicine
Golparian A, Anbarian M, Golparian M · 2026 · Journal of biomechanics
Anterior cruciate ligament deficiency (ACLD) leads to knee instability and altered gait patterns. Individuals with ACLD can be classified as copers or noncopers. Lower-limb coordination and coordination variability may reflect compensatory…
View details →DOI: 10.1016/j.jbiomech.2026.113416 Negative / Null Result ReportMedicine
Sınır B, Ortan P, Sayin SS et al. · 2026 · Respiratory medicine
Purpose Obstructive sleep apnea syndrome (OSAS) causes intermittent hypoxia and sleep fragmentation, which may alter gut microbiota composition. We primarily aimed to compare intestinal Desulfovibrio detection/abundance between patients…
View details →DOI: 10.1016/j.rmed.2026.108986 Negative / Null Result Report
Kumar A, Sinha RRK, Sahu SP et al. · 2026 · Preprint
Abstract The present experiment was conducted to compare three housing systems Individual cages, Colony cages and Deep litter on welfare, behaviour, and physiological traits in Rhode Island Red laying hens under tropical conditions. A…
View details →DOI: 10.21203/rs.3.rs-9950223/v1 Negative / Null Result ReportMedicine
Okumura M, Yamagami S, Akiyama M et al. · 2026 · Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing
Introduction Pulsed field ablation (PFA) is a non-thermal ablation modality, but repeated high-voltage applications can still cause Joule heating at the electrode-tissue interface. We evaluated the effects of application repetition and…
View details →DOI: 10.1007/s10840-026-02379-7 Negative / Null Result ReportMedicine
Xiang F, Lin J, Chen B et al. · 2026 · The Journal of foot and ankle surgery : official publication of the American College of Foot and Ankle Surgeons
Background To compare the superthin (3-5 mm) versus conventional (≥10 mm) anterolateral thigh (ALT) flap for post-traumatic ankle reconstruction. Methods Retrospective cohort (2020-2024): superthin ALT (n=26) vs conventional ALT (n=34).…
View details →DOI: 10.1053/j.jfas.2026.06.019 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 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 