11,325 real negative results, null findings, and replication failures in Medicine · 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.
Liang JL, OuYang SR, Liu ZX et al. · 2026 · Updates in surgery
Laparoscopic sleeve gastrectomy (LSG) is currently the most commonly performed weight loss surgery. Omentopexy is believed to help reduce the risk of postoperative nausea and vomiting (PONV), bleeding, gastric leakage, and gastroesophageal…
View details →El Amrousy D, Koura H, Abdou N et al. · 2026 · Italian journal of pediatrics
Background We aimed to evaluate the hemodynamics in full-term neonates with persistent pulmonary hypertension (PPH) on high frequency oscillatory ventilation (HFOV) versus conventional mechanical ventilation (CMV). Methods This trial was…
View details →Koç G, Yüce Başaran HD, Yavuz B et al. · 2026 · BMC medical education
Objective This study aimed to evaluate the effect of video-assisted instruction on central venous catheter (CVC)-related psychomotor skills (blood collection, drug administration, and dressing care), anxiety levels, and student…
View details →Akhras N, Antaki F, Mottet F et al. · 2026 · PLOS digital health
Bias and inequity in palliative care disproportionately affect marginalised groups. Large language models (LLMs), such as GPT-4o, hold potential to enhance care but risk perpetuating biases present in their training data. This study aimed…
View details →Li J, Zhou X, Wang W et al. · 2026 · Frontiers in microbiology
Background Mycoplasma hyopneumoniae (Mhp), the etiological agent of enzootic pneumonia in pigs, poses significant challenges to swine production. This study evaluated the anti-Mhp efficacy of a novel enteric-coated granules of tylvalosin…
View details →Momenisoroshk J, Sadeghi T, Seyedbagheri S · 2026 · Pediatric health, medicine and therapeutics
Purpose Healthy neonates experience pain during procedures such as vitamin K injections. Pain adversely affects the neonate, so it is important to control it. This study compared the effects of local heat and massage using the flick…
View details →Abdelkader AM, Osama H, Hassan ES et al. · 2026 · European journal of clinical pharmacology
Purpose Gliflozins (SGLT2 inhibitors) and statins are key treatments commonly used in patients with ischemic heart failure. Although both are well known for diminishing cardiovascular risk and heart failure-related mortality, the possible…
View details →Brideau S, Duong T, Nacevska I et al. · 2026 · The International journal of pharmacy practice
Objectives The objective of the study was to evaluate if using a validated psychometric test, The Big Five Personality Test, would identify an association between personality traits among hospital pharmacists and certain clinical services.…
View details →Wang EX, Li J, Zhang YT et al. · 2026 · Frontiers in microbiology
Introduction Many nitrogen-fixing bacteria (NFB) can synthesize siderophores. However, the contribution of NFB siderophore synthesis to plant growth has not been evaluated, and its impact on NFB's antifungal activity remains unclear.…
View details →Kovács D, Boda K, Badó A et al. · 2026 · Oral health & preventive dentistry
Purpose To explore the possible link between periodontal and dental health and idiopathic female infertility in South East Hungary, along with identifying relevant sociodemographic factors. Methods and materials The study included women…
View details →Saurabh K, Shami Y · 2026 · Cureus
Background Oral fiberoptic-guided intubation can be challenging in anesthetized patients due to loss of pharyngeal muscle tone, resulting in posterior displacement of the tongue, soft palate, and epiglottis. Maneuvers such as jaw thrust…
View details →Raafat MH, Mourad KE, Elsyad MA · 2026 · BMC oral health
Background Reviewing the literature, the optimal implant position for 2-implant retained mandibular overdentures, which would be associated with improved peri-implant tissues, higher retention values, and better patient satisfaction,…
View details →Arıkan M, Akarsu S · 2026 · Biomaterial investigations in dentistry
Objective To compare the physico-mechanical properties (microhardness, surface roughness, and flexural strength) of permanent 3D-printed dental resins with those of a resin nanoceramic computer-aided design and computer-aided manufacturing…
View details →Salman A · 2026 · Journal of ophthalmology
Purpose To evaluate and compare the topographic and tomographic characteristics of post-laser in situ keratomileusis (LASIK) ectasia (PLE) with keratoconus (KC) and normal control eyes using the Sirius imaging system. Methods This…
View details →Oh H, Kim J, Bai J · 2026 · Journal of oral microbiology
Background Dental caries, commonly known as tooth decay, is a progressive breakdown of tooth tissues caused by the biofilm-producing bacteria, Streptococcus mutans . S. mutans plays a primary role in the initiation and progression of…
View details →Shariati S, Mohtadi S, Molavinia S et al. · 2026 · Scientific reports
Anti-diabetic medications have been found to reduce chemotherapy resistance. This study sought to investigate the role of Empagliflozin (Empa) as an anti-diabetic medication in reversing Cisplatin (Cis) resistance in EJ138 bladder cancer…
View details →Gao H, Yu X, Guo Z · 2026 · Journal of the International Society of Sports Nutrition
Background Upper-body plyometric training (PT) enhances neuromuscular performance and power production. However, its application in swimming and its potential interaction with β-alanine (BA) supplementation remain largely unexplored.…
View details →Golal E, Balci CN, Acar N · 2026 · Aging cell
Successful embryo development, acquisition of uterine receptivity, implantation, and decidualization during the peri-implantation window are essential events that ensure a healthy pregnancy. While ovarian aging has long been considered the…
View details →Hobbs KJ, Ueda Y, Qu Y et al. · 2026 · Journal of veterinary emergency and critical care (San Antonio, Tex. : 2001)
Objectives To compare the performance of one point-of-care activated clotting time (ACT) machine (Vet-Tube), one point-of-care activated partial thromboplastin time (aPTT) machine (Coagulation DX), and one bench-top ACT machine (Medtronic…
View details →William MFGBMF, Jamil NAB, Leong SS et al. · 2026 · Australasian journal of ultrasound in medicine
Aim Stand-off gel pads made of natural ingredients may provide a low-cost option in clinical ultrasound imaging. This study investigated the performance and safety of homemade pads. Methods Thirty stand-off gel pads were made of aloe vera,…
View details →Dogantan S, Keskin A, Yücel BB et al. · 2026 · Revista da Associacao Medica Brasileira (1992)
Objective Familial Mediterranean fever, an autoinflammatory disease, is characterized by recurrent stereotypic febrile attacks associated with an inflammatory syndrome. Malondialdehyde, a lipid peroxidation marker, and soluble transferrin…
View details →Kizilay O, Kunbaz A, Akarsu Acar OP et al. · 2026 · International journal of ophthalmology
Aim To evaluate the long-term refractive and visual outcomes in infants with retinopathy of prematurity (ROP) treated with intravitreal bevacizumab (IVB), laser photocoagulation (LPC), or combined IVB+LPC therapy, and to assess disease…
View details →Masilamani PK, Muhammad NB, Sankaran RS et al. · 2026 · Clinics (Sao Paulo, Brazil)
Introduction During the Coronavirus Disease (COVID-19) pandemic, public and healthcare workers were recommended to use Personal Protective Equipment (PPE) to prevent the spread of infection. With the increased use of different types of…
View details →Meng F, Qi H, Ding Z et al. · 2026 · Molecular horticulture
Fruit cracking severely affects tomato quality and yield. By utilizing genetic transformation, knockout of the SlPMEI27 gene can enhance the activity of pectin methylesterases (PMEs). Here, by conducting an immunofluorescence analysis, we…
View details →Zavala P, Eggleston GG, Greufe NA et al. · 2026 · Orthopaedic journal of sports medicine
Background Primary anterior cruciate ligament reconstructions (ACLRs) with extensor mechanism autografts (bone-patellar tendon-bone [BTB] or quadriceps tendon [QT]) have been reported to have lower quadriceps strength symmetry outcomes 6…
View details →Refai OM, Abdelfattah Mohamed AM, Ali El-Fiky AM · 2026 · BMC oral health
Background Mandibular complete dentures often lack stability, leading to prolonged occlusion and disocclusion times. Immediate-loading implant overdentures can improve functional control, but evidence comparing splinted and non-splinted…
View details →Dos Santos Lopes H, Waiteman MC, Serrão FV et al. · 2026 · Scandinavian journal of medicine & science in sports
It remains unclear whether people with traumatic-onset patellofemoral pain (PFP_T) present with the same physical and non-physical changes as people with gradual-onset patellofemoral pain (PFP_A). In this cross-sectional study, we aimed to…
View details →Wani SQ, Matia M, Jayaprakasan AK et al. · 2026 · BMC palliative care
Background Living with life-limiting illnesses (LLIs) is psychologically distressing, even more so in areas with a complicated terrain and which are conflict-prone, where insecurity, displacement, and limited healthcare access adds to the…
View details →Manzoor M, Banday MS, Para BA et al. · 2026 · Virus research
Background/objectives The COVID-19 pandemic precipitated a global rise in psychological morbidities, markedly increasing depression, anxiety, and stress. This study provides early region-specific evidence from Kashmir on the post-pandemic…
View details →Xu Y, Tan G, Zhu R · 2026 · Scientific reports
Ferroptosis, the most common programmed cell death process, and immune checkpoints play increasingly prominent roles in glioma. However, the effects of ferroptosis on immune checkpoints on glioma remain unclear. The intracellular ROS…
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