Negative / Null Result Report
Deliağa H, Rüzgar M, Altundal B et al. · 2026 · Preprint
Abstract Background Urethral catheterization (UC) is a commonly performed procedure in neonatal care; however, catheter-related urethral trauma remains an underrecognized complication. Evidence regarding clinical characteristics,…
View details →DOI: 10.21203/rs.3.rs-9564626/v1 Negative / Null Result Report
Bartholo BBGR, Bartholo TP, Magalhães ALC et al. · 2026 · Preprint
Abstract Background Asthma during pregnancy remains associated with adverse maternal and perinatal outcomes when poorly controlled, yet the inflammatory mechanisms involved in this context are not fully understood. Thymic stromal…
View details →DOI: 10.21203/rs.3.rs-9860310/v1 Negative / Null Result ReportMedicine
Borgehammar J, McClenahan B, Miller E et al. · 2026 · The Journal of manual & manipulative therapy
Objective Developing psychomotor competence in orthopedic manual physical therapy (OMPT) techniques is fundamental to post-professional physical therapy education. Concerns persist about whether online instructional models and the rise of…
View details →DOI: 10.1080/10669817.2026.2680217 Negative / Null Result ReportMedicine
Vu NTH, Quach DT, Miyauchi S et al. · 2026 · Digestion
Introduction A family history of chronic constipation (CC) is considered an important predisposing factor for developing CC. This study aimed to compare the associations of maternal and paternal histories of CC with constipation in…
View details →DOI: 10.1159/000552818 Negative / Null Result ReportMedicine
Sharma S, Aschner A, Kabir N et al. · 2026 · The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques
Rationale The ketogenic diet (KD) is a well-established therapeutic option for children with non-surgical drug-resistant epilepsy (DRE). The purpose of this study was to determine whether specific anti-seizure medications (ASM) are…
View details →DOI: 10.1017/cjn.2026.10620 Failed Experiment ReportMedicine
Hamidi F, Muhler F, Skopp G et al. · 2026 · Clinical research in cardiology : official journal of the German Cardiac Society
Background Out-of-hospital cardiac arrest (OHCA) is associated with poor outcomes and presents a considerable treatment challenge. Here, we investigated the association of prior beta-blocker treatment with outcomes in patients with OHCA.…
View details →DOI: 10.1007/s00392-026-02968-6 Failed Experiment Report
Kalinowska V, Hughes L, Lancki N et al. · 2026 · Preprint
Abstract Purpose To evaluate whether peri-trigger serum hormone dynamics are associated with mature oocyte yield in planned oocyte cryopreservation cycles across ovulation trigger protocols. Methods We conducted a retrospective study of…
View details →DOI: 10.21203/rs.3.rs-9202554/v1 Negative / Null Result ReportMedicine
Tall S, Pettersson J, Härkönen T et al. · 2026 · Diabetes care
Objective We assessed whether 1) severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination is associated with the risk of type 1 diabetes and 2) SARS-CoV-2 vaccination or infection is associated with disease severity at type…
View details →DOI: 10.2337/dc25-2913 Negative / Null Result ReportMedicine
Kobayashi T, Takahara M, Kikuchi S et al. · 2026 · European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery
Objective A single segment great saphenous vein (GSV) with a diameter ≥ 3.0 mm is widely accepted as the standard conduit for tibial and pedal bypass in chronic limb threatening ischaemia (CLTI) based on studies in European and American…
View details →DOI: 10.1016/j.ejvs.2026.06.037 Failed Experiment ReportMedicine
Nakamura K, Sakai N, Hirai H et al. · 2026 · British journal of clinical pharmacology
Aims Enzyme replacement therapy (ERT) for mucopolysaccharidosis II (MPS II) requires long-term, weekly intravenous infusions often lasting over 3 h each time, which can burden paediatric patients and caregivers and negatively affect their…
View details →DOI: 10.1002/bcp.70612 Negative / Null Result ReportMedicine
Jamieson A, Kwon J, Gao T et al. · 2026 · Gynecologic oncology
Background Race, ethnicity, and geography can impact cancer management, genomics and outcomes. We aimed to determine the ethnic and geographic diversity of endometrial carcinoma (EC) patients in our province and their impact on molecular…
View details →DOI: 10.1016/j.ygyno.2026.05.011 Negative / Null Result ReportMedicine
Chisompola D, Luwaya E, Chalwe JM et al. · 2026 · Scientific reports
Interleukin-17A (IL-17A) is a key cytokine in inflammation and autoimmunity. However, its systemic correlates, particularly in a high HIV burden population, are not fully elucidated. This study aimed to identify the sociodemographic,…
View details →DOI: 10.1038/s41598-026-55493-x Negative / Null Result ReportMedicine
Murakami K, Shinozaki N, Livingstone MBE et al. · 2026 · The British journal of nutrition
While chrono-nutrition behaviors are inter-related, few studies examined patterns of chrono-nutrition behaviors using a comprehensive set of these behaviors. This study aimed to identify chrono-nutrition behavior patterns and examine their…
View details →DOI: 10.1017/s0007114526107090 Negative / Null Result ReportMedicine
Kleckner AS, Zhou Y, Diaz-Mercado Y et al. · 2026 · Chronobiology international
Circadian rest-activity rhythms, or a person's consistency in their daily activity and rest patterns, can be quantified using various parametric and non-parametric methods. However, these methods are seldom applied to understand symptoms…
View details →DOI: 10.1080/07420528.2026.2669594 Negative / Null Result ReportMedicine
Tsuboi H, Sakakibara H, Minamida-Urata Y et al. · 2026 · Neuro endocrinology letters
Objective Emerging evidence suggests that low-grade systemic inflammation contributes to depressive symptoms; however, population-based longitudinal evidence, particularly from community samples, remains limited. This study examined the…
Negative / Null Result ReportMedicine
Fursule A, Athalye-Jape G, Deepak D et al. · 2026 · Journal of perinatology : official journal of the California Perinatal Association
Objective To assess whether early hypernatremia (HN) and/or hyperglycemia (HG) in the first postnatal week are associated with adverse neurodevelopmental outcomes in extremely preterm (EP; Study design This was a single-center…
View details →DOI: 10.1038/s41372-026-02683-0 Negative / Null Result ReportMedicine
Chegondi M, Jawahar A, Badheka A et al. · 2026 · Perfusion
IntroductionBleeding and clotting phenotypes are common in patients supported with Extracorporeal Membrane Oxygenation (ECMO) and are associated with increased mortality. However, tools to distinguish bleeding from clotting phenotypes…
View details →DOI: 10.1177/02676591261445354 Negative / Null Result ReportMedicine
Matejak NJ, Ngolobe H, O'Connell CT et al. · 2026 · International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases
Objectives Sickle Cell Disease (SCD), characterized by persistently low hemoglobin (Hb) and hematocrit levels, is among the leading causes of under-five mortality in high prevalence countries. Sub-Saharan Africa bears the highest burden of…
View details →DOI: 10.1016/j.ijid.2026.108823 Negative / Null Result ReportMedicine
Ada G, Duray M · 2026 · Physiotherapy theory and practice
Background Cervical and trunk proprioceptive deficits resulting from impaired sensorimotor integration post-stroke may contribute to deficiencies in balance reactions and tone regulation. Purpose: To examine relationships between cervical…
View details →DOI: 10.1080/09593985.2026.2656807 Negative / Null Result ReportMedicine
Fredhoff B, Bernstetter A, Fotiou H et al. · 2026 · Complementary therapies in clinical practice
Background and purpose Nutrition likely influences pain, but the role of patient beliefs remains understudied in musculoskeletal conditions. This study examined whether beliefs about the role of nutrition in pain, diet quality, and eating…
View details →DOI: 10.1016/j.ctcp.2026.102057 Negative / Null Result ReportMedicine
Amodeo AL, Giaquinto V, Reginelli F et al. · 2026 · Psychological reports
The present study examines the associations between other-oriented perfectionism and individual stress within romantic relationships, focusing on the intervening role of social media use as a relational context. Data were collected through…
View details →DOI: 10.1177/00332941261423478 Failed Experiment ReportMedicine
Portero-Prados FJ, Pabón-Carrasco M, Ponce-Blandón JA · 2026 · Intensive & critical care nursing
Objectives To compare the effectiveness and dermatological safety of chlorhexidine gluconate (CHG)-impregnated dressings versus conventional transparent dressings in preventing central line-associated bloodstream infection (CLABSI) in…
View details →DOI: 10.1016/j.iccn.2026.104441 Negative / Null Result Report
Remmerswaal R · 2026 · Preprint
Abstract This study validates and extends the L2 Willingness to Communicate (WTC) scale by incorporating Virtual Exchange (VE) scenarios into the established L2 WTC-R framework. Using two independent samples of Japanese university EFL…
View details →DOI: 10.21203/rs.3.rs-10086638/v1 Negative / Null Result Report
Güngör E, Birbilen AZ, Yildiz LA et al. · 2026 · Preprint
Abstract Purpose Early identification of pediatric trauma patients requiring life-saving interventions (LSIs) is fundamental for optimizing emergency triage and allocation planning. This study aimed to evaluate and compare the predictive…
View details →DOI: 10.21203/rs.3.rs-9271487/v1 Negative / Null Result ReportMedicine
Jeremias Macedo M, Beirão B, Rodrigues R et al. · 2026 · Blood purification
Introduction Depression is the most prevalent psychiatric disorder among patients with end-stage renal disease receiving hemodialysis (HD), associated with reduced quality of life, poor treatment adherence, higher hospitalization rates,…
View details →DOI: 10.1159/000551823 Negative / Null Result ReportMedicine
Streubel PN, Sahoo S, Zhang C et al. · 2026 · Journal of shoulder and elbow surgery
Background This study aimed to investigate the associations of general patient and disease-specific factors with baseline patient reported outcome measures (PROMs) in patients undergoing revision rotator cuff repair (RCR). Baseline…
View details →DOI: 10.1016/j.jse.2026.05.007 Negative / Null Result ReportMedicine
McGranahan MJ, Sabino-Carvalho JL, Zanuzzi MG et al. · 2026 · American journal of physiology. Regulatory, integrative and comparative physiology
Individuals with posttraumatic stress disorder (PTSD) are at elevated risk for cardiovascular disease (CVD). Emerging research suggests that increased blood pressure variability (BPV) reflects abnormalities in autonomic regulation and may…
View details →DOI: 10.1152/ajpregu.00322.2025 Negative / Null Result ReportOpen accessMedicine
Imantika E, Praharsini RK, Sasotya RM et al. · 2026 · Narra J
Obstetric anal sphincter injury (OASIS) may lead to persistent sexual and bowel dysfunction, even after surgical repair. Evidence on the functional outcomes after sphincterorrhaphy and perineoplasty remains limited, particularly in…
View details →DOI: 10.52225/narra.v6i1.3038 Negative / Null Result ReportMedicine
Wang L, Yao L, Wan J et al. · 2026 · Annali italiani di chirurgia
Aim This study aims to identify independent risk factors for tumor recurrence and postoperative complications in platinum-resistant ovarian cancer patients undergoing cytoreductive surgery. Methods This study retrospectively included 96…
View details →DOI: 10.62713/aic.4351 Negative / Null Result ReportOpen accessMedicine
Eruysal E, Ravdin L, Iadecola C et al. · 2026 · Journal of Alzheimer's disease : JAD
BackgroundResistin is a circulating protein linked to systemic metabolic disorders and inflammation, both of which can contribute to the pathogenesis of Alzheimer's disease (AD). However, the role of resistin during the preclinical stage…
View details →DOI: 10.1177/13872877261442230