A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.
19823 results in Negative / Null Result Report · page 233 of 661
Ballal Y, Chaudhuri J · 2026 · Preprint
Abstract Brief Self-Compassion Training (BSCT) is a short, structured intervention that promotes self-kindness, mindfulness, and emotional resilience. These competencies are particularly important for first-year medical students, who…
Endo MY, Kashima H, Miura A et al. · 2026 · Journal of applied physiology (Bethesda, Md. : 1985)
Performance during endurance exercise depends on the balance between the blood flow (BF) to active muscles and their energy use. We compared the acute cardiovascular regulation after the ingestion of a 300-mL drink containing 50 g glucose…
Kim YE, Ahn SM, Oh JS et al. · 2026 · International journal of rheumatic diseases
Objective To evaluate the frequency and management of flares in rheumatoid arthritis (RA) patients treated with biologic or targeted synthetic disease-modifying antirheumatic drugs (b/tsDMARDs). Methods Data were analyzed from the KOrean…
Satomura A, Ando Y, Mikami M et al. · 2026 · Preprint
Abstract Background Despite their promising utility as biomarkers for disease prediction, the stability of microRNAs (miRNAs) encapsulated in urinary extracellular vesicles (uEVs) during long-term storage remains insufficiently…
Niu P, Sun Y, Wang S et al. · 2026 · Molecular medicine reports
Following the publication of the above article, an interested reader drew to the authors' attention that, concerning the TUNEL assay data shown in Fig. 5A on p. 6, the images shown for the H 2 O 2 and PU+H 2 O 2 groups were remarkably…
Stein MV, Butler M, Chapman S et al. · 2026 · Preprint
Psychedelic drugs are emerging as potentially efficacious tools for treating psychiatric conditions and probing the neural basis of consciousness. Although drug administration context is widely believed to shape psychedelic effects, it…
Koshiishi Y, Moriya S, Ishida Y et al. · 2026 · PloS one
The emu is a novel poultry species producing meat, eggs, and fat. In particular, emu oil derived from the fat is considered the most important product of the emu owing to its anti-inflammatory and anti-melanin production. Meanwhile, there…
Hung C, Spitzer ER, Waltzman SB · 2026 · Cochlear implants international
Objective Cochlear implant (CI) speech processors have undergone technological advancements. Therefore, patients upgrade speech processors when new features are available or when their previous device becomes broken and is no longer…
Dobashi S, Hotoge S, Kikuchi A et al. · 2026 · Scientific reports
Excessive alcohol consumption contributes to mortality and productivity losses, yet evidence for workplace-based substitution interventions remains limited. This randomized controlled trial examined whether providing non-alcoholic…
Darweesh RS, Alnuaimi TM, Zayed AL et al. · 2026 · Nanotechnology
Polyethylene glycol (PEG)-capped gold nanoparticles (PEG-AuNPs) are of great interest for targeted drug delivery and targeted delivery of chemotherapy due to their biocompatibility and ability to evade detection by the immune system.…
Ifrah-Tsruya H, Lev M, Polat U · 2026 · Vision research
Attention-Deficit/Hyperactivity Disorder (ADHD) is typically conceptualized as a disorder of executive control; however, accumulating evidence suggests that early sensory processing may also be atypical. The present study examined contrast…
Zub D, Białaszek W · 2026 · Preprint
This thesis investigates the relationship between existential anxiety and temporal discounting, which is the tendency to prefer smaller, immediate rewards over larger, delayed ones. The primary objective was to examine how inducing…
Schwartz J, Al-Sadawi M, Mattimore D et al. · 2026 · Journal of cardiothoracic and vascular anesthesia
Objectives To evaluate the accuracy and reliability of noninvasive blood pressure (NIBP) monitoring compared to invasive blood pressure (IBP) measurements during atrial fibrillation (AF) ablation under general anesthesia, and to determine…
Su YS, Liu HY, Chen CY et al. · 2026 · Surgical endoscopy
Background This nationwide cohort study compared long-term subsequent benign biliary events and biliary tract malignancy in patients with gallstone ileus treated with or without concomitant cholecystectomy. Methods This retrospective…
Coleman-Belin JC, Zhang KK, Cohen Z et al. · 2026 · Journal of surgical oncology
Background and objectives Tumor involvement of the posterior mandible often requires resection of the mandibular condyle and associated soft tissue. This study explores clinical and patient-reported outcomes (PROs) associated with condyle…
Gouda A, Arshad MZ, Andrysek J · 2026 · PloS one
Gait training is an important part of rehabilitation for prosthetic users, improving mobility and long-term health outcomes. This study investigated the effects of rhythmic auditory stimulation (RAS) on gait symmetry and overall movement…
Abdallah N, Kursun K, Baylan M · 2026 · Tropical animal health and production
This study investigated the effect of eggshell translucency on egg weight, embryonic development, hatching traits, chick quality, post-hatch growth, carcass, and organ traits at 7 days of age in broiler chickens. A total of 300 hatching…
He GQ, Chen Y, Liao HJ et al. · 2026 · Molecular medicine reports
Following the publication of the above article, the authors have contacted the Editor to explain that, regarding the immunofluorescence experiments shown in Fig. 3 on p. 5089, the data correctly shown in Fig. 3I (for the 'V‑ctrl+DMSO+R 24…
Mueller S, Mackin R · 2026 · Preprint
Background The brainstem and its different sub-systems control essential functions such as motor agility etc. that worsen with age. The purpose of this study was: 1. To assess the impact of age-related volume loss within three brainstem…
Brusalis CM, Glenday J, Fu MC et al. · 2026 · Journal of shoulder and elbow surgery
Background Compared with the traditional Grammont design, modern reverse total shoulder arthroplasty (rTSA) implant designs often introduce lateralization of the glenoid and/or humeral components. This study aimed to evaluate the impact of…
Lin G, Tang B, Niu Y et al. · 2026 · BMC psychology
Mathematical ability is widely recognized as a core indicator of students' cognitive development and academic achievement. However, in classroom environments where artificial intelligence (AI)-supported instruction is increasingly…
Baran EK, Oncu A, Celikten B · 2026 · Australian endodontic journal : the journal of the Australian Society of Endodontology Inc
This study evaluated effect of calcium hydroxide (CH) medicaments prepared with distilled water, glycerin and chlorhexidine (CHX) gel on dentinal tubule penetration of epoxy resin- and tricalcium silicate-based sealers using confocal laser…
Fernando K, Fernando N, Jayasekara D et al. · 2026 · Preprint
Point-of-care testing (POCT) for cardiac troponin is increasingly used to support rapid clinical decision-making, particularly in resource-limited settings. However, while many central laboratories, including those in Sri Lanka, now use…
Mandal C, Paria M · 2026 · Preprint
Abstract This study examined differences in problem-solving skill and its three dimensions-problem-solving confidence, approach-avoidance style, and personal control-among undergraduate students in relation to gender, stream of study, and…
Jessup SC, Zald DH, Olatunji BO · 2026 · Journal of affective disorders
Endophenotypes (intermediate phenotypes) are traits hypothesized to represent genetic risk for disorders such as OCD. However, it is unclear if disgust conditioning abnormalities may function as an OCD endophenotype. The present study…
Omid A, Changiz T, Ghasemi S et al. · 2026 · Preprint
Introduction Shadowing, as an educational method based on active observation, can foster a realistic understanding of professional roles and enhance the communication skills of medical students. This study aimed to design, implement, and…
Acar-Sahan S, Gungor M, Eskiyurt B et al. · 2026 · Preprint
Abstract Purpose Carbetocin and oxytocin are widely used uterotonic agents for postpartum hemorrhage prevention; however, sequential administration may influence uterine contractility. Evidence regarding their combined and sequential…
Kong K, Qiang Z, Yang Y et al. · 2026 · The international journal of medical robotics + computer assisted surgery : MRCAS
Background Surgical robots offer improved precision and stability for laparoscopy; nevertheless, their limited portability and high cost impede broader clinical applications. Methods This paper proposes a hand-held surgical robot with an…
Serretti A · 2026 · Journal of affective disorders
Background Depressive symptoms are major determinants of outcome in bipolar disorder. We examined whether baseline anhedonia-related symptom severity was associated with subsequent clinical wellness. Methods We analyzed longitudinal data…
Mahboub S, Elgammal A, Elaw R et al. · 2026 · Preprint
Abstract Background Chronotype, an individual's natural preference for sleep-wake timing, influences physiological processes and health outcomes. Evening chronotype has been associated with poorer sleep quality and reduced health-related…