11,314 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.
Ahmed ME, Mahjoub SMAH, Adam SIY · 2026 · Tropical animal health and production
This study evaluated the effects of partially replacing groundnut cake with soaked chickpea (Cicer arietinum L.) seeds, with or without enzyme supplementation, on growth performance, carcass traits, serum biochemical indices, and…
View details →Thapa K, R Iyer A, A Cruz-Gonzalez M et al. · 2026 · Journal of racial and ethnic health disparities
Background Refugees often experience disruptions in social networks after resettlement. This study examined associations between bonding (within-group) and bridging (across-group) social capital and self-rated health among resettled U.S.…
View details →Mathiesen KK, Rasmussen JH, Channir H et al. · 2026 · Acta oto-laryngologica
Background Cancer of unknown primary (CUP) is diagnostically challenging. Diagnostic strategy remains controversial. Aim The aim of this retrospective study was to evaluate the diagnostic value of FDG-PET/CT and MRI in detecting primary…
View details →Abdulameer HS, Zarrinkavyani K, Fathi M et al. · 2026 · Poultry science
Transport of day-old chicks is a major concern in the poultry industry, as it induces stress that can impair performance and health. This study investigated whether xylazine, an alpha-2 adrenergic agonist that reduces metabolic rate, could…
View details →Rutkūnas V, Kubilius A, Akulauskas M et al. · 2026 · Journal of dentistry
Objectives This in vitro study evaluated the accuracy of digital impressions for full-arch implantsupported restorations by assessing scan body (SB) positional accuracy and inter-arch registration under different intraoral scanners (IOS)…
View details →Østergaard AM, Rosenbæk JB, Ejlersen JA et al. · 2026 · Physiological reports
Inorganic nitrate may lower blood pressure (BP) and enhance natriuresis through nitric oxide (NO) mediated mechanisms. Studies have found inconsistent effects of NO on sodium excretion. Nitric oxide synthase (NOS) inhibition suggests…
View details →Phan T, Datt P, Zhao L et al. · 2026 · American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists
Purpose Rheumatoid arthritis (RA) is a chronic, autoimmune joint disorder necessitating the use of complex, specialty medications. Health-system specialty pharmacies (HSSPs) operate under closed-loop models that have been shown to minimize…
View details →Júnior FC, Santos WRD, Cordeiro Feitosa R et al. · 2026 · Research quarterly for exercise and sport
Taurine (TAU) is a conditionally essential amino acid whose consumption has recently increased, particularly among young people, through supplements and energy drinks. It has potential beneficial effects on physical performance; however,…
View details →Haskic A, Hadziabdic N, Miron RJ · 2026 · International journal of oral and maxillofacial surgery
Postoperative sequelae such as pain, swelling, and trismus are common following mandibular third molar surgery. This single-blind controlled trial was performed to evaluate the effects of two newer platelet-rich fibrin (PRF) formulations,…
View details →Choo LY, Zheng W, Wen S et al. · 2026 · Journal of the American Pharmacists Association : JAPhA
Background Patients with opioid use disorder encounter challenges obtaining buprenorphine (BUP) at pharmacies, increasing their risk of treatment non-adherence and illicit drug use. Objectives The purpose of this quality improvement (QI)…
View details →DiBona ER, Elliott J, Labeille RO et al. · 2026 · Aquatic toxicology (Amsterdam, Netherlands)
Per- and polyfluoroalkyl substances (PFAS) are persistent contaminants with immunotoxic potential, yet impacts on immune development remain poorly defined. We examined effects of developmental PFAS exposure on host resistance and…
View details →Gok A, Kavakli AS, Sugur T et al. · 2026 · Expert review of anti-infective therapy
Background This study aimed to assess culture positivity rates and the microbiological profile of intensive care unit (ICU)-acquired superinfections in patients with severe COVID-19 pneumonia treated with pulse-dose methylprednisolone,…
View details →O'Connor J, Ladonice S, Backes B et al. · 2026 · Violence and victims
This study compares the mental health outcomes of survivors of intimate partner violence (IPV) whose primary language is not English with those of survivors whose primary language is English. A total of 126 IPV survivors were recruited for…
View details →Morris JR, Cruz K, Kainth R et al. · 2026 · Journal of neurophysiology
Visual processing is crucial for the preparation, guidance, and stabilization of human locomotion. Responses to visual perturbations appear more adaptive at slower rather than faster walking speeds. Intermittent visual occlusions during…
View details →Alqhazo M, Blomgren M · 2026 · Journal of fluency disorders
Purpose The purpose of this study was to investigate knowledge about stuttering in the Jordanian community and the public attitudes that the Jordanians might have toward people who stutter. Method First, five non-stuttering speakers served…
View details →Zhang L, Liu X, Zhang C et al. · 2026 · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
Dimyricetin-yl-diselenide (DMS; 3,5,7-trihydroxy-8-[[3,5,7-trihydroxy-4-oxo-2-(3,4,5-trihydroxyphenyl)chromen-8-yl]diselanyl]-2-(3,4,5-trihydroxyphenyl)chromen-4-one) is a structurally defined organoselenium flavonoid dimer in which two…
View details →Sniegula S, Wos G · 2026 · Scientific reports
Urbanization is a challenging environment and has a profound impact on organisms. Cities may be the source of important phenotypic changes and lead to developmental instability. To explore the effects of urbanization (percentage of…
View details →Fältström A, Hedevik H, Ardern CL et al. · 2026 · The Journal of orthopaedic and sports physical therapy
OBJECTIVE: To evaluate the efficacy of internet-delivered psychological support-the BAck iN the Game (BANG) intervention-after anterior cruciate ligament reconstruction (ACLR) for improving return to sport (RTS). DESIGN: Randomized…
View details →Kekki C, Essen CV, Cristiani R et al. · 2026 · Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
Purpose To evaluate surgical trends over time in meniscal procedures during anterior cruciate ligament reconstruction (ACLR) and compare meniscal reoperation rates and subjective outcomes between 2015-2019 and 2020-2023. Methods This study…
View details →Jadhav R, Demirbas Uzel G, Charest J et al. · 2026 · Microorganisms
The filamentous fungus Trichoderma reesei is one of the most important workhorses for industrial enzyme production, but the cellular mechanisms that balance protein folding stress with secretion, such as the unfolded protein response (UPR)…
View details →Bayhan GI, Aydın Altuntaş C, Cevahir N · 2026 · Journal of infection in developing countries
Objective Hand hygiene (HH) is a fundamental infection prevention measure in healthcare settings, playing a crucial role in reducing healthcare-associated infections (HAIs). Despite its importance, HH compliance remains suboptimal…
View details →Gassé E, Brill A · 2026 · The western journal of emergency medicine
Introduction As public access to tetrahydrocannabinol (THC) products expands under state legalization, there is concern for increased use in adolescents under 18 years of age and its subsequent effects. Adverse effects of THC use have been…
View details →Panaitof SC, Kermagi MM · 2026 · Archives of insect biochemistry and physiology
Dopamine has diverse roles in the regulation of reproduction and social behaviors in insects. In the burying beetle, Nicrophorus orbicollis, a species with extended care, our previous work has shown that brain dopamine levels increase…
View details →Majoe M, Stolarek N, Vizueta J et al. · 2026 · Journal of evolutionary biology
Colonies of insects with morphologically distinct castes have been called superorganisms because the function of their queens and workers is analogous to the germline and soma in metazoan bodies. In the case of formicoid ants, workers…
View details →Rodrigue JR, Fleishman A, Schold JD et al. · 2026 · Transplantation
Background Lost wages following living donation may deter patients from pursuing living donor kidney transplantation (LDKT) and potential donors from being evaluated. Methods We randomized patients undergoing transplant evaluation to 1 of…
View details →Ichishima J, Nakakariya M, Kimura H · 2026 · Scientific reports
Narcolepsy type 1 (NT1) is caused by a significant loss of orexin-producing neurons. In clinical trials, multiple orexin receptor 2 (OX2R)-selective agonists (e.g., danavorexton, TAK-994, and oveporexton) improved wakefulness and decreased…
View details →Gong J, Xie B, Wei Y et al. · 2026 · Healthcare (Basel, Switzerland)
Background/objectives Pregnancy and childbirth are independent risk factors for pelvic floor injury. The choice of delivery position, as an interventionable factor during labor, has received much attention. This study aimed to assess the…
View details →Chin JH, Kim D, Lee HS et al. · 2026 · British journal of cancer
Background Adjuvant radiotherapy (RT) is standard for breast cancer, but its impact on skin cancer risk, especially in Asian populations, remains unclear despite advanced techniques. This study aimed to assess skin cancer incidence…
View details →Hatta T, Kobayashi K, Tatematsu S et al. · 2026 · Clinical and experimental nephrology
Background Preventing end-stage renal failure progression of patients with chronic kidney disease (CKD) requires collaboration between nephrologists and general practitioners. Following the 2013 and 2019 surveys in Japan, a nationwide…
View details →Park K, Kim J, Hu H et al. · 2026 · Journal of dairy science
Balancing for limiting AA may prevent reduced production when deficient MP is provided. The objective of the study was to determine the effects of rumen-protected (RP) His supplementation at different levels of MP when Lys and Met supplies…
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