Negative / Null Result ReportOpen accessMedicine
Tobias Lohaus, Sally Reckelkamm, Patrizia Thoma · 2024 · PLoS ONE
Objective Acquired brain injuries (ABIs), such as traumatic brain injuries (TBIs), often entail impairments of general cognition (e.g., memory, attention or executive functions) and social cognition (e.g. emotion recognition, theory of mind [ToM], social problem-solving). The availability of fully computerized interventions targeting sociocognitive deficits specifically in neurologically impaired patients is extremely limited. Therefore, the Treatment Program for Deficits in Social Cognition and Social Competencies of the Ruhr University Bochum (SoCoBo), a fully computerized online therapy des
View details →DOI: 10.1371/journal.pone.0294767 Negative / Null Result ReportMedicine
Çakır E, Ciğerci Y, Yılmaz S · 2026 · Scientific reports
This study aimed to evaluate the effects of a music intervention on anxiety, pain, and vital signs in patients undergoing Endoscopic Retrograde Cholangiopancreatography (ERCP). This randomized controlled trial included 70 patients who…
View details →DOI: 10.1038/s41598-026-50809-3 Negative / Null Result ReportMedicine
Sullivan M, Perea LL, Bradburn E et al. · 2026 · Journal of orthopaedic trauma
Objectives To evaluate whether preoperative intravenous tranexamic acid (TXA) reduces postoperative blood transfusion rates in geriatric patients undergoing operative treatment for hip fracture. Methods Design Prospective, double-blinded,…
View details →DOI: 10.1097/bot.0000000000003172 Failed Experiment ReportMedicine
Chichareon P, Suwannanon R, Thungthienthong M et al. · 2026 · British journal of clinical pharmacology
Background Left ventricular hypertrophy (LVH) contributes to a substantial risk of adverse outcomes in patients with coronary artery disease (CAD). Inflammation is one of the mechanisms responsible for LVH progression. The study aimed to…
View details →DOI: 10.1002/bcp.70470 Negative / Null Result ReportOpen accessNutrition. Foods and food supply
Ye Li Lee, Sang Yeoup Lee, Sang Yeoup Lee et al. · 2022 · Frontiers in Nutrition
IntroductionOysters possess an excellent nutritional profile containing γ-aminobutyric acid (GABA). Previous data suggest that GABA is a potent bioactive compound for improving muscle health. Lactic acid fermentation is thought to increase GABA content. However, the effect of oral supplementation of fermented oyster extracts (FO) on human muscle strength and mass is unclear. Therefore, we tested the effects and safety of consumption of FO combined with regular walking for 12 weeks on muscle strength and mass in older adults with relatively low muscle mass.Materials and methodsA randomized cont
View details →DOI: 10.3389/fnut.2022.935395 Negative / Null Result ReportOpen accessMedicine
ELghareeb A, Dawaba M, Eldeeb M et al. · 2026 · International braz j urol : official journal of the Brazilian Society of Urology
Introduction Concomitant bladder neck incision (BNI) with posterior urethral valve ablation (VA) was proposed to mitigate the long-term sequela of posterior urethral valve (PUV) and reduce the reoperation rates. This study aimed to…
View details →DOI: 10.1590/s1677-5538.ibju.2025.0539 Negative / Null Result ReportOpen accessMedicine
Michael R Gionfriddo, Yirui Hu, Bhumika Maddineni et al. · 2022 · JMIR Formative Research
BackgroundDespite routine review of medication lists during patient encounters, patients’ medication lists are often incomplete and not reflective of actual medication use. Contributing to this situation is the challenge of reconciling medication information from existing health records, along with external locations (eg, pharmacies, other provider/hospital records, and care facilities) and patient-reported use. Advances in the interoperability and digital collection of information provides a foundation for integration of these once disparate information sources. ObjectiveWe aim to evaluate th
View details →DOI: 10.2196/33488 Negative / Null Result ReportMedicine
Struys T, Christiaens V, De Bruyckere T et al. · 2025 · Clinical implant dentistry and related research
Aim To assess the impact of the timing of soft tissue augmentation on soft tissue changes and esthetic outcome following single immediate implant placement (IIP) in the anterior maxilla. Materials and methods Patients with a failing tooth…
View details →DOI: 10.1111/cid.70013 Negative / Null Result ReportOpen accessComputer Science
Neil K. R. Sehgal, Manuel Tonneau, Andy Tan et al. · 2025 · arXiv
Large language model (LLM) chatbots show increasing promise in persuasive communication. Yet their real-world utility remains uncertain, particularly in clinical settings where sustained conversations are difficult to scale. In a pre-registered randomized controlled trial, we enrolled 915 U.S. adults (ages 45-75) who had never completed colorectal cancer (CRC) screening. Participants were randomized to: (1) no message control, (2) expert-written patient materials, (3) single AI-generated message, or (4) a motivational interviewing chatbot. All participants were required to remain in their assi
Negative / Null Result ReportOpen accessMedicine
Sköld C, Hailer NP, Mallmin H · 2026 · Acta orthopaedica
Background and purpose Denosumab may preserve periprosthetic bone mineral density (pBMD) around uncemented total hip arthroplasty (THA) components. This exploratory analysis of a previously published randomized controlled trial (RCT) aimed…
View details →DOI: 10.2340/17453674.2026.45695 Negative / Null Result ReportOpen accessMedicine
Dong X, Liu Y, Chu X et al. · 2024 · CNS neuroscience & therapeutics
Background The ideal blood pressure (BP) target in patients who undergo endovascular thrombectomy (EVT) with successful reperfusion is uncertain. Observational studies show that elevated BP during this period is associated with a higher…
View details →DOI: 10.1111/cns.14907 Negative / Null Result ReportMedicine
Kamrani A, Khera AK, Raghav P et al. · 2026 · The Angle orthodontist
Objectives To evaluate and compare the effects of leukocyte-platelet-rich fibrin (L-PRF), injectable platelet-rich fibrin (i-PRF; submucosal), and i-PRF (intraligamental) on the rate of maxillary canine retraction. Materials and methods A…
View details →DOI: 10.2319/080325-664.1 Negative / Null Result ReportMedicine
Liu, Yu, Gao et al. · 2026 · Drug design, development and therapy
To compare the analgesic efficacy and safety of deep, superficial and combined deep-superficial erector spinae plane block (ESPB) combined with subanesthetic-dose esketamine in patients undergoing percutaneous kyphoplasty (PKP). A total of…
View details →DOI: 10.2147/dddt.s601168 Negative / Null Result ReportMedicine
Zheng, Chen, Sui et al. · 2026 · Drug design, development and therapy
Laparoscopic sleeve gastrectomy (LSG) is associated with substantial postoperative pain and a high rate of postoperative nausea and vomiting. Tegileridine fumarate, a biased µ-opioid receptor agonist, may offer effective analgesia…
View details →DOI: 10.2147/dddt.s611241 Negative / Null Result ReportMedicine
Rawal, Asawa, Das et al. · 2026 · Cureus
Background Gingivitis, a reversible inflammatory condition of the gingiva, is primarily caused by plaque accumulation. Chlorhexidine is the gold standard for plaque control, but it is associated with side effects on prolonged use.…
View details →DOI: 10.7759/cureus.109382 Negative / Null Result ReportMedicine
Dhanani NH, Lyons NB, Lee KH et al. · 2025 · HCA healthcare journal of medicine
Background Biologic mesh is often used in complex hernia repair, but there has been limited clinical evidence to date to support this practice. The aim of this study was to compare clinical and patient-reported outcomes of biologic versus…
View details →DOI: 10.36518/2689-0216.1761 Negative / Null Result ReportMedicine
Katheria, Lakshminrusimha, Morales et al. · 2026 · Pediatric research
We sought to evaluate oxidative changes in premature infants receiving 100% oxygen compared with 30% during deferred cord clamping (DCC). Premature infants born at 22 0/7 to 28 6/7 weeks received DCC in conjunction with either 30% (LO…
View details →DOI: 10.1038/s41390-026-05199-7 Negative / Null Result Report
Kral TR, Davis K, Korponay C et al. · 2021 · Preprint
Studies purporting to show changes in brain structure following the popular, eight-week Mindfulness-Based Stress Reduction (MBSR) course are widely referenced despite major methodological limitations. Here, we present findings from a…
View details →DOI: 10.1101/2021.06.14.21258762 Negative / Null Result ReportOpen accessMedicine
Shen CY, Li CP, Yu JT et al. · 2026 · In vivo (Athens, Greece)
Background/aim Resveratrol, a polyphenolic compound found in grapes, berries, and peanuts, has been linked to antioxidant, anti-inflammatory, and vasoprotective effects. Yet, evidence from randomized controlled trials (RCTs) remains…
View details →DOI: 10.21873/invivo.14235 Failed Experiment ReportOpen accessMedicine
Sawada A, Yoneta K, Togashi E et al. · 2024 · Journal of physical therapy science
[Purpose] In gastric cancer patients, low muscle mass decreases overall survival and quality of life (QOL). Resistance exercise with leucine-enriched essential amino acid (LEAA) supplementation may prevent muscle mass loss. This study was…
View details →DOI: 10.1589/jpts.36.218 Negative / Null Result ReportMedicine
Chen, Wen, Zheng · 2026 · Shock (Augusta, Ga.)
Sepsis is a clinical syndrome marked by a dysregulated host response to infection, impairing oxygen delivery and utilization and causing organ dysfunction. Hypoxemia, which can cause significant tissue and organ damage, commonly occurs in…
View details →DOI: 10.1097/shk.0000000000002865 Negative / Null Result ReportOpen accessMedicine
Akbarzadeh G, Abedi P, Jahanfar S et al. · 2024 · Frontiers in medicine
Background Sexual dysfunction is prevalent among breastfeeding women. Objective This study was designed to evaluate the effect of Rose damascene extract on sexual function and anxiety of breastfeeding women. Materials and methods This was…
View details →DOI: 10.3389/fmed.2024.1466341 Negative / Null Result ReportMedicine
Chen, Spadaccini, Sahai et al. · 2026 · Endoscopy international open
Endoscopic ultrasound-guided choledochoduodenostomy using a lumen-apposing metal stent (EUS-CDSL) has been shown in randomized controlled trials (RCTs) to be effective compared with endoscopic retrograde cholangiopancreatography (ERCP) in…
View details →DOI: 10.1055/a-2863-1621 Negative / Null Result ReportOpen accessMedicine
Schaefer M, Liedtke C, Enge S · 2025 · Scientific reports
Recent reports challenge the view that placebos need to be given in deception. Numerous studies report remarkable effects when giving placebos honestly in an open way. However, the mechanisms of open-label placebos still remain to be…
View details →DOI: 10.1038/s41598-025-27622-5 Negative / Null Result ReportMedicine
Buis HT, Berger-Estilita J, Zirngast S et al. · 2026 · Journal of clinical monitoring and computing
Women with endometriosis are at increased risk of severe postoperative pain due to nociceptive sensitization. While multimodal analgesia reduces opioid use, the added value of objective nociception monitoring remains unclear. This study…
View details →DOI: 10.1007/s10877-026-01459-3 Negative / Null Result ReportMedicine
Sandby K, Magkos F, Chabanova E et al. · 2024 · Clinical nutrition (Edinburgh, Scotland)
Background & aims In recent years, epidemiological studies have reported links between the consumption of fermented dairy products, such as yogurt, and health; however, evidence from human intervention trials is scarce and inconsistent. We…
View details →DOI: 10.1016/j.clnu.2023.12.018 Negative / Null Result ReportMedicine
Jain S, Jha AK, Chawla D et al. · 2026 · Indian journal of pediatrics
OBJECTIVES: To determine the effect of prone positioning on the duration of respiratory support in neonates receiving non-invasive mode of ventilation. METHODS: This open label randomized controlled trial was conducted in the NICU of a…
View details →DOI: 10.1007/s12098-026-06049-4 Negative / Null Result ReportMedicine
Kalli AJ, Mäkelä P, Huhtala H et al. · 2026 · Acta anaesthesiologica Scandinavica
Background Sternotomy causes substantial postoperative pain. Recently, several less invasive nerve blocks have been described that are safer to use even on anticoagulated patients. This study aims to evaluate early pain management using…
View details →DOI: 10.1111/aas.70253 Negative / Null Result ReportOpen accessMedicine
Belnap MA, Witkiewitz K, Schacht JP et al. · 2026 · Alcohol, clinical & experimental research
Background The U.S. Food and Drug Administration (FDA) recommends a minimum duration of 6 months for randomized controlled trials (RCTs) evaluating pharmacotherapies for alcohol use disorder (AUD). The relationship between trial length and…
View details →DOI: 10.1111/acer.70306 Negative / Null Result ReportOpen accessScience
Ákos Bérczi, Fanni Éva Szablics, Anita Nelli Simon et al. · 2025 · Life
Digital subtraction angiography (DSA) remains an important reference modality for evaluating chronic limb-threatening ischemia (CLTI), with left transradial access (TRA) increasingly favored for its lower complication rates and patient comfort. Radiation safety for operators is paramount, yet the impact of patient positioning on scatter radiation during lower limb diagnostic catheter angiography (CA) is understudied. This single-center randomized controlled trial evaluated whether head-first (HF) vs. feet-first (FF) supine patient orientation affects operator radiation exposure during lower ex
View details →DOI: 10.3390/life15091433 