19,830 real negative results, null findings, and replication failures · Negative / Null Result Report. Search the index →
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.
Fu, Xiao, Ma et al. · 2026 · Animals : an open access journal from MDPI
Digestive tract structure is a key indicator of fish health and environmental adaptation, while seasonal dynamics of the gut microbiota reflect host responses to environmental changes. In this study, the digestive tract microstructure of…
View details →Moosavi, Khorakian, Sedaghati et al. · 2026 · BMC oral health
Severe caries in mixed dentition frequently affects mandibular first permanent molars, often necessitating full-coverage restorations. Stainless steel crowns (SSCs) and porcelain-fused-to-metal (PFM) crowns are among the most commonly used…
View details →Yue, Kong, Huang et al. · 2026 · BMC cancer
The optimal timing for thermal ablation (TA) in patients with colorectal liver metastases (CRLM) eligible for local curative therapy remains undefined. This study aimed to evaluate the impact of time to ablation (TTA) on long-term survival…
View details →Roberts, Waddell, Atkins et al. · 2026 · The New Zealand medical journal
Our aim was to determine the 30- and 90-day all-cause mortality of healthcare-associated Staphylococcus aureus bacteraemia (HA-SAB) and determine mortality risk factors. We collected HA-SAB events from 1 July 2022 to 30 June 2024. Patient…
View details →McFarland, Sihra, Walker et al. · 2026 · Journal of racial and ethnic health disparities
To evaluate Black birthing people's knowledge of American Academy of Pediatrics (AAP) infant safe sleep recommendations over time in the context of a substantial, county-wide, tailored public health initiative against infant mortality.…
View details →Benyamini, Khan, Elmenawi et al. · 2026 · Hip international : the journal of clinical and experimental research on hip pathology and therapy
Glucagon-like peptide-1 (GLP-1) receptor agonists are increasingly utilised for metabolic optimisation in surgical patients. Their effect on postoperative patient-reported outcomes (PROMs) and satisfaction following primary total hip…
View details →Kamagaté, Jusot, Mory et al. · 2026 · Therapeutic advances in drug safety
In Côte d'Ivoire, pharmacovigilance is not a routine activity in most healthcare facilities and many healthcare professionals have limited knowledge of pharmacovigilance methods. This study aimed to evaluate the quality of adverse…
View details →Saeed, Jalal · 2026 · Pulmonary medicine
The COVID-19 pandemic, caused by SARS-CoV-2, has led to significant global mortality and morbidity. Angiotensin-converting Enzyme 2 (ACE2) has been identified as the primary receptor for viral entry into host cells and is believed to play…
View details →Mohammed, Naser, Abozaid · 2026 · Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]
Composite resin placement technique may influence marginal integrity, polymerization stress distribution, and long-term clinical performance of posterior restorations. This randomized controlled clinical trial evaluated the 24-month…
View details →Niu, Bao, Zhao · 2026 · Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
This study aimed to systematically evaluate the efficacy and safety of different doses of domperidone (DOM) combined with esomeprazole (ESM) in the treatment of reflux esophagitis, providing a basis for precise clinical medication. This…
View details →Shi, Yuan, Gao et al. · 2026 · Journal of neuroengineering and rehabilitation
Transcranial magnetic stimulation (TMS), as a non-invasive neurostimulation technique, modulates neural activity by applying electromagnetic fields to specific areas of the brain. It is clinically used for several approved indications,…
View details →Yakıt Yeşilyurt, Birinci Olgun, Dağ et al. · 2026 · BMC women's health
Breathing exercises may modulate dysmenorrhea by enhancing relaxation and eliciting analgesic effects. This study investigated the effects of Pelvic Floor Muscle Training (PFMT) with or without Dynamic Neuromuscular Stabilization…
View details →Chen, Song, Zang et al. · 2026 · BMC anesthesiology
Right lateral thoracotomy cardiac surgery induces postoperative atelectasis due to cardiopulmonary bypass (CPB), patient positioning, and mechanical ventilation. Fixed positive end-expiratory pressure (PEEP) may fail to meet pediatric…
View details →Yıldız, Çalış, Dokuz et al. · 2026 · Psychiatry research
This study examined differences in choroidal structural parameters, including the choroidal vascularity index, among patients with schizophrenia, bipolar disorder, and healthy controls. This cross-sectional study included 40 patients with…
View details →Chen, Yi, Cao et al. · 2026 · Neurology
The efficacy of endovascular treatment for acute large vessel occlusion strokes has been demonstrated, but whether it can improve functional outcomes in patients with acute ischemic stroke (AIS) who only present with severe large vessel…
View details →Bejarano, Hull, Young et al. · 2026 · PloS one
We exploit state-level policy changes for physical therapy direct access to estimate the effect of enacting direct access physical therapy policy on per-capita opioid pill volume (PCPV) and opioid-related deaths (ORD) compared to states…
View details →Çınar, Uysal, Gürbüz et al. · 2026 · RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin
This study aimed to investigate morphological features on magnetic resonance cholangiopancreatography (MRCP) that may help distinguish benign from malignant causes of isolated main pancreatic duct (MPD) dilation detected without a visible…
View details →Li, Hu, Sun et al. · 2026 · The Journal of organic chemistry
Boron neutron capture therapy (BNCT) is a promising radiotherapeutic strategy for cancer treatment that selectively eradicates tumor cells while minimizing damage to surrounding healthy cells. 4-Borono-2-[ 18 F]fluoro-l-phenylalanine ([ 18…
View details →Tang, Mi, Xue et al. · 2026 · Annals of medicine
The impact of prior SARS-CoV-2 infection on the clinical course of recurrent pulmonary tuberculosis (TB) remains poorly defined. This study aimed to compare clinical features, radiographic evolution, and outcomes in recurrent TB patients…
View details →Wang, Guo · 2026 · The Journal of craniofacial surgery
To investigate the growth and developmental characteristics of the temporomandibular joint (TMJ) in adolescents with facial asymmetry and its relationship with mandibular morphological changes. A total of 20 patients aged 8 to 20 years…
View details →Stewart, Yeo · 2026 · Journal of refractive surgery (Thorofare, N.J. : 1995)
To compare the refractive prediction accuracy of two modern toric intraocular lens power formulas, using predicted or measured posterior corneal astigmatism, in eyes with a history of previous myopic laser vision correction (LVC). This…
View details →Boben, Vangala, Maraka et al. · 2026 · Cureus
Introduction Accurate assessment of interarch tooth-size relationships is essential for orthodontic diagnosis, space analysis, and treatment planning. Bolton's analysis and regression-based methods such as Tonn's and Abhi's formulas are…
View details →Zhang, Chen, Chen et al. · 2026 · Chinese medical journal
This is a multicenter, randomized, double-blind, placebo-controlled interventional clinical study to evaluate the efficacy and safety of pronase in improving visibility in colonoscopy and to evaluate whether pronase can increase the…
View details →Liu, Liu, Zhang et al. · 2026 · Journal of cardiothoracic surgery
To observe the effect of hemoadsorption, an emerging therapy potentially valuable in blood purification, inflammation inhibition and toxic removal, to patients with Stanford Type A Aortic Dissection. The clinical data of 100 patients with…
View details →Liu, Lv, Li et al. · 2026 · BMC oral health
Clear aligner fit accuracy significantly influences treatment efficacy. Micro-computed tomography (micro-CT) enables precise three-dimensional quantification of aligner-tooth adaptation, but manual measurement is time-intensive and…
View details →Kotanlı, Yılmaz, Dogan · 2026 · BMC oral health
The aim of this retrospective study is to evaluate the volumetric and histogram-based characteristics of the parotid and submandibular salivary glands in patients with hypertension compared with healthy controls. Magnetic Resonance images…
View details →Belfil, Diai, Gonzalez et al. · 2026 · Surgical endoscopy
 Few studies have compared the different types of endoscopic biliary drainage, particularly endoscopic retrograde cholangiopancreatography (ERCP) versus Endoscopic ultrasound guided-Choledochoduodenostomy (EUS-CD), for jaundice caused…
View details →Martin, Ellis, Agonias et al. · 2026 · Journal of pediatric orthopedics
The incidence of pediatric anterior cruciate ligament reconstructions (ACLR) has drastically increased over the last 20 years. Previous studies have sought to characterize postoperative complications, but few have utilized a prospective,…
View details →Ng, Simmons · 2026 · AEM education and training
Emergency Medicine faculty lack a consistent method to maintain procedural competency. Inadequate faculty proficiency negatively impacts patient safety and resident education. Practice within the clinical environment depends on patient…
View details →Mbau, Handayani, Kusumaningrum · 2026 · Iranian journal of nursing and midwifery research
Guided Imagery and Music (GIM) interventions reduced the anxiety in many clinical settings. Traditional music pictures the emotion of specific culture. No interventional study was found in reducing anxiety among ischemic stroke patients…
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