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 229 of 661
Chao M, Wang Y, Gu L · 2026 · The Psychiatric quarterly
Short video platforms like TikTok are increasingly popular among adolescents. The study investigated the correlation between adolescent short video use (SVU) patterns and psychological well-being. Using a sample of 2,344 Chinese junior and…
Oteir A, Husein M, Alhawatmeh H et al. · 2026 · International emergency nursing
Background Spinal motion restriction (SMR) remains a fundamental component of trauma care, yet its routine application has been increasingly questioned. Evidence supporting selective SMR has grown; however, limited data exist on the…
Suraju MO, Longbottom B, Peteson JA et al. · 2026 · American journal of surgery
Introduction Factors influencing mortality among pancreatic ductal adenocarcinoma (PDAC) patients who achieve pathologic complete response (pCR) following neoadjuvant therapy have not been previously well studied. Methods Adult PDAC…
Kate A, Wannapanich T, Mandell J et al. · 2026 · American journal of ophthalmology
Purpose To compare clinical characteristics, microbiological profiles, treatment strategies, and outcomes between contact lens-associated (CL) and non-contact lens-associated (non-CL) fungal keratitis. Design Retrospective, comparative…
Fresa R, Napoli A, Bitterman O · 2026 · Acta diabetologica
Introduction the use of Automated Insulin Delivery (AID) systems has increased in pregnant women with type 1 diabetes (DM1). To date, little data exist regarding glucose control and insulin modifications with AID in automode during…
Lee YJ, Moon SW · 2026 · Journal of clinical medicine
Background/Objectives : In February 2024, a nationwide medical crisis in South Korea caused a massive withdrawal of resident physicians. We described changes in patient characteristics and early clinical outcomes among emergency department…
Solazzo EM, Jarabana SG, Baird J et al. · 2026 · Rhode Island medical journal (2013)
Objectives Pre-hospital emergency care depends on reliable infrastructure. On December 11, 2023, the westbound span of the Washington Bridge connecting eastern and western Rhode Island (RI) closed emergently due to structural issues. This…
Shapiro G, Kamm JM, Wintrode M et al. · 2026 · The Clinical neuropsychologist
Objective: Evaluations for attention-deficit/hyperactivity disorder (ADHD) in adulthood typically incorporate both self-report questionnaires and performance-based cognitive testing. Extant research has demonstrated weak or absent…
Majewski MS, Hanć A, Krajewska-Włodarczyk M et al. · 2026 · Nutrients
Background/Objectives : Red beetroot ( Beta vulgaris L.) is recognized for its antioxidant, anti-inflammatory, and metabolic properties. This study evaluated the effects of two beetroot cultivars ( Boldor and Wodan ) on blood serum…
Wen YP, Brauer ER, Choi S et al. · 2026 · BMC public health
Background Cancer survivors are twice as likely to experience psychological distress, with racial and ethnic minorities reporting higher distress and healthcare needs compared to non-Hispanic White Americans. However, this group is more…
Mirandette KS, Sahasrabudhe A, Slowikowski M et al. · 2026 · Preprint
Objectives To determine how selective optogenetic vagus nerve stimulation (VNS) of distinct axonal subpopulations modulates systemic inflammatory cytokines in an acute model of endotoxemia. Materials and Methods A silicone spiral nerve…
Maeda K, Funahashi H, Tokutake K et al. · 2026 · International orthopaedics
Purpose This study aimed to evaluate postoperative outcomes, including clinical results, radiological assessments, and complications, in patients over 50 years old with nondisplaced femoral neck fractures (Garden classification I-II)…
Liu Y, Liu L, Wang J et al. · 2026 · Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists
Objective Nephrotoxicity of bisphosphonates limits their utility in the management of severe hypercalcemia among patients with primary hyperparathyroidism (PHPT) and impaired renal function. It remains unclear whether denosumab is an…
Zheng J, Chen M, Fu J · 2026 · BMC oral health
Background This retrospective cohort study evaluated a Locator-bilateral segmental bar concept (LBSB) for maxillary implant-supported overdentures and compared it with a conventional rigid bar concept (CRB) in terms of implant survival,…
Gentile T, Vanacore S, Caputo M et al. · 2026 · Children (Basel, Switzerland)
Background/objectives Dental anxiety represents a major challenge in paediatric dentistry and is a frequent cause of non-cooperative behaviour during dental treatment. Nitrous oxide/oxygen inhalation conscious sedation is widely used to…
Kurz S, Habich O, Brauer K et al. · 2026 · Preprint
Abstract Purpose To evaluate whether patients aged > 75 years with spinal cord injury (SCI) benefit from specialized inpatient rehabilitation, focusing on functional outcomes and discharge destination. Methods This retrospective…
Aucoin AA, Zhidkov V, Legere RM et al. · 2026 · American journal of veterinary research
Objective To characterize age-related trajectories of the relative concentrations of anti-virulence-associated protein A (VapA) immunoglobulin (Ig)-G1, IgG3/5, IgG4/7, and IgA in serum and bronchoalveolar lavage fluid (BALF) as indicators…
Wang X, Li W, Wang F et al. · 2026 · Pain management nursing : official journal of the American Society of Pain Management Nurses
Purpose The objective of this study was to evaluate whether combining pain neuroscience education (PNE) with progressive muscle relaxation (PMR) could reduce acute pain after thoracoscopic lung resection, alleviate psychological distress,…
Chen L, Xu D, Hou L · 2026 · Medical principles and practice : international journal of the Kuwait University, Health Science Centre
Background/objective Prone percutaneous nephrolithotomy (PCNL) is commonly performed under general anesthesia (GA); however, increasing evidence supports the feasibility of PCNL under spinal anesthesia (SA). This study presents our…
Mao W, Lu N · 2026 · Journal of investigative surgery : the official journal of the Academy of Surgical Research
Objective To evaluate short-term clinical outcomes, surgeon-reported fatigue, and staff user experience associated with a multifunctional operative support arm in reproductive laparoscopic surgery. Design Single-center, parallel-group…
Sorjonen K, Melin B, Melin M · 2026 · Preprint
Based on prospective cross-lagged effects, Zhou and Wang concluded that emotional intelligence and psychological empowerment contribute to increased work engagement among university administrators. However, it is well known that…
Lee JR, Choi H, Eum D et al. · 2026 · Anesthesia and pain medicine
Background Intravenous (IV) administration of dexamethasone has been reported to prolong the analgesic duration of a caudal block. The aim of this study was to compare the analgesic effects of IV low-dose and high-dose dexamethasone in…
Bouali B, Rezzaoui A, Hamzeh-Cognasse H et al. · 2026 · Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine
Background Pathogen reduction treatment (PRT) of platelet concentrates (PC) is one of the most recent advances in improving blood safety and lowering the risk of transfusion-transmitted diseases. The characteristics of PR-treated PC differ…
Tunjungseto A, Hadi OA, Pratiwi IW et al. · 2026 · Preprint
Background: /Objectives: Polycystic ovary syndrome (PCOS) is a heterogeneous endocrine-metabolic disorder, and Rotterdam-defined phenotypes may require more refined non-invasive adjunctive signals for phenotypic stratification. Saliva is a…
Igasaki M, Furusawa A, Kunishi M et al. · 2026 · The journal of obstetrics and gynaecology research
Aim This study aimed to evaluate the efficacy of local treatment in patients with sporadic recurrent endometrial cancer. Methods We retrospectively reviewed patients who received treatment for first recurrence of endometrial cancer at our…
Anundson J, Lee L, Bae S et al. · 2026 · European journal of orthopaedic surgery & traumatology : orthopedie traumatologie
Introduction Lumbar fusion alters spinal biomechanics and may increase hip loading, especially with long-segment constructs. We used a large administrative database to evaluate hip fracture risk after lumbar fusion and assess whether…
Chiona BC, Mbakaya BC, Liu MF · 2026 · Nurse education in practice
Aim To evaluate the effectiveness of Standardized Patient Simulation (SPS) compared with lecture-based teaching in improving dementia knowledge, dementia screening skills and mild cognitive impairment (MCI) classification accuracy among…
Gargallo-Albiol J, Zilleruelo-Pozo MJ, Treserra-Parra A et al. · 2026 · Clinical oral implants research
Objective To determine the influence of an intermediate prosthetic abutment on peri-implant marginal bone loss (MBL) around two implant-supported fixed restorations in the posterior area. Material and methods This study included patients…
Laing KK, Valdés Hernández MdC, Michael J et al. · 2026 · Preprint
Background Apolipoprotein E (APOE) has been implicated in blood–brain barrier (BBB) dysfunction and may influence ischaemic cerebrovascular disease and cerebral small-vessel disease (cSVD). This study examined associations between APOE…
Taş MO, Güleryüz A · 2026 · BMC oral health
Background The management of proximal cavities under porcelain laminate veneers remains a clinical challenge. Conventional strategies-such as placing an intermediate composite restoration or extending the preparation-require additional…