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WASTE Journal

Browse the failure-mode index

21,713 real negative results, null findings, and replication failures. 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.

Negative / Null Result ReportMedicine

Migraine is Associated With Altered Preoperative Endodontic Pain Perception and Mechanical Sensory Function but Not Short-Term Postoperative Pain: A Prospective Clinical Study.

Harun AS, Shikder AHMZH, Moni SD et al. · 2026 · Journal of oral rehabilitation

Background Migraine has been associated with altered nociceptive processing and may influence the clinical presentation of odontogenic pain. This study evaluated whether migraine is associated with preoperative endodontic pain,…

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Negative / Null Result ReportMedicine

Source- and land-use-dependent controls on black carbon accumulation in urban soils: A comparison between an industrial city and a megacity in central China.

Zhan C, Liu S, Kang W et al. · 2026 · Environmental pollution (Barking, Essex : 1987)

Black carbon (BC) is an important component of soil organic carbon (SOC), with implications for carbon sequestration and environmental quality, yet its variability across contrasting urban systems remains insufficiently understood. This…

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Negative / Null Result ReportMedicine

Robotic versus laparoscopic rectal resection: impact on primary postoperative ileus and the role of intraoperative fluid balance: a propensity score-matched cohort study.

Urashima T, Yabuno T, Imanishi K et al. · 2026 · Surgical endoscopy

Background Few studies have directly compared the incidence of primary postoperative ileus (primary POI) between robotic surgery (RS) and laparoscopic surgery (LS) for rectal resection. Methods This retrospective cohort study included…

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Negative / Null Result ReportMedicine

Radial Versus Femoral Access for Diagnostic Coronary Angiography: Insights From a Tertiary Academic Center in Johannesburg.

Ntaka KL, Mpanya D, Adamu UG et al. · 2026 · Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions

Background The radial artery is the preferred access for performing diagnostic coronary angiograms (DCA). However, data on the safety and efficacy of radial compared to femoral access in low- and middle-income countries is limited. Aims…

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Negative / Null Result Report

Challenging the standard: Comparison of outcomes between Laparoscopically Assisted Anorectoplasty (LAARP) and Posterior Sagittal Anorectoplasty (PSARP) in the correction of rectobulbar fistula in Pediatric Patients

Sanchez MAC, Ruiz J, Siffredi J et al. · 2026 · Preprint

Abstract Background: Posterior sagittal anorectoplasty (PSARP) remains the standard surgical approach for rectobulbar fistula in patients with anorectal malformations (ARM). Laparoscopically assisted anorectoplasty (LAARP) has emerged as…

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Negative / Null Result ReportMedicine

Levels of acylated and deacylated ghrelin are elevated in unmedicated patients with major depressive disorder and obesity: a cross-sectional study.

Lis M, Miłuch T, Krupa R et al. · 2026 · Scientific reports

Major depressive disorder (MDD) frequently co-occurs with obesity, suggesting shared neuroendocrine mechanisms. Ghrelin, a hormone involved in appetite regulation, stress response, and reward processing, has been proposed as a biological…

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Negative / Null Result ReportMedicine

Factors associated with mortality in pancreatic adenocarcinoma patients achieving pathologic complete response after neoadjuvant therapy.

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…

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Negative / Null Result ReportMedicine

Changes in Patient Characteristics and Early Clinical Outcomes Among Emergency Department-Admitted Inpatients During the 2024 Medical Workforce Crisis in South Korea.

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…

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Negative / Null Result ReportMedicine

Associations between discrimination and mental healthcare utilization among racial and ethnic minority cancer survivors in the All of Us Research Program.

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…

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Negative / Null Result ReportMedicine

Clinical and radiographic outcomes of cannulated cancellous screw osteosynthesis with and without side-plate for nondisplaced femoral neck fractures: a multicenter propensity score-matched study.

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)…

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Negative / Null Result ReportMedicine

Efficacy and Safety of Denosumab versus Zoledronic Acid in the Treatment of Hypercalcemia in Primary Hyperparathyroidism: A Retrospective Comparative Study.

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…

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Negative / Null Result ReportMedicine

Clinical outcomes of a Locator-bilateral segmental bar concept versus a conventional rigid bar concept for maxillary implant-supported overdentures: a retrospective cohort study.

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,…

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Negative / Null Result ReportMedicine

Effectiveness of Audiovisual Distraction During Dental Treatment Under Nitrous Oxide/Oxygen Conscious Sedation in Paediatric Patients: A Randomized Crossover Clinical Trial.

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…

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Negative / Null Result ReportMedicine

The trajectories of relative concentrations of antirhodococcal immunoglobulin A differ from those of immunoglobulin G subisotypes in bronchoalveolar lavage fluid but not serum of foals.

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…

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Negative / Null Result ReportMedicine

Combined Pain Neuroscience Education and Progressive Muscle Relaxation for Post-Thoracoscopic Pain.

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,…

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