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Browse the failure-mode index

21,733 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

Evaluating the efficacy of G12C inhibitors in conjunction with Gamma Knife radiosurgery for KRAS-mutant non-small cell lung cancer brain metastases.

Andrade A, Mureb M, Karaman N et al. · 2026 · Journal of neuro-oncology

PURPOSE: KRAS G12C mutations occur in approximately 11% of non-small-cell lung cancer (NSCLC) patients and are associated with aggressive disease and poor prognosis. Although KRAS G12C-inhibitors are now approved, their impact on Gamma…

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Negative / Null Result ReportMedicine

The Effects of a Powdered Meal Replacement on Inflammation, Gut Microbiota, and Metabolism in People With Excess Body Weight-A Randomized Controlled Trial.

Montenegro J, Oliveira CL, Nguyen NK et al. · 2026 · The Journal of nutrition

Background Excess body weight is associated with chronic low-grade inflammation and metabolic abnormalities, such as insulin resistance, and dyslipidemia. Objectives This study aimed to assess the impact of a soy protein-yogurt-honey…

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Negative / Null Result ReportMedicine

Performance, non-carcass components, serum biochemistry panel and intestinal morphology of Texel lambs fed with bioactive peptides.

Nascimento GO, Otávio KS, Ferreira J et al. · 2026 · Tropical animal health and production

Bioactive peptides (BP) have been investigated as potential functional feed additives due to their reported immunomodulatory and metabolic properties. This study evaluated the effects of dietary BP supplementation on growth performance,…

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Negative / Null Result ReportMedicine

Clinical efficacy and safety of an overall strategy of immunotherapy combined with chemoradiotherapy for limited-stage small cell lung cancer (including induction ± consolidation ± second-line immunotherapy): A propensity score matching study based on real-world data.

Zhao A, Chen W, Liang Y et al. · 2026 · Cancer treatment and research communications

Objective To compare and analyze the efficacy and safety of an overall strategy of immunotherapy combined with chemoradiotherapy in patients with limited-stage small cell lung cancer (LS-SCLC)-including induction immunotherapy plus…

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Negative / Null Result ReportMedicine

Exercise preconditioning attenuates ischemic neurological deficits without modulating motor learning in a rodent model of focal cortical ischemia.

Silva-García J, Eurolo I, Fuentes-Flores R et al. · 2026 · Brain research

Ischemic stroke is a leading cause of death and disability worldwide. Among survivors, one-third live with permanent impairments, and two-thirds experience upper limb dysfunction. Despite advances in acute care, no universally effective…

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Negative / Null Result Report

Continuous pharmacist intervention and maintenance of dose intensity in postoperative adjuvant S-1 chemotherapy for gastric cancer: a multicenter retrospective study

Hayashi T, Go M, Kawasumi K et al. · 2026 · Preprint

Abstract Introduction Maintaining dose intensity is essential for the efficacy of adjuvant S-1 chemotherapy in gastric cancer. Although pharmacist interventions can reduce toxicity and improve adherence, multicenter evidence regarding…

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Negative / Null Result ReportMedicine

Does air abrasion improve the retention of restorations in non-carious cervical lesions? An 18-month split-mouth randomized controlled trial.

Forville H, Coppla FM, Naupari-Villasante R et al. · 2026 · Journal of dentistry

Objective To evaluate whether dentin airborne-particle abrasion (APA) with aluminum oxide affects the retention and clinical performance of composite resin restorations in non-carious cervical lesions (NCCLs). Methods This prospective,…

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Negative / Null Result ReportMedicine

Efficacy of a short multimodal workshop including stress management and communication skills training on objective structured clinical examination performance and exam-related anxiety in French medical students: a randomized controlled study.

Vedrenne-Cloquet M, de Montmollin E, Gaudemer A et al. · 2026 · Journal of educational evaluation for health professions

Purpose To assess the effectiveness of a short multimodal workshop, including stress-management and communication-skills training, on objective structured clinical examination (OSCE) performance and exam-related anxiety among medical…

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Negative / Null Result Report

Endogenous Theta as a Function of Task Load and Working Memory Capacity: Revisiting the Role of Slower Frequencies in Theta-Gamma Coupling

Tortajada M, Rodriguez-Larios J, Martínez-Pérez V et al. · 2026 · Preprint

Recent findings have shown the influential role of theta-gamma cross-frequency coupling in the maintenance of items in Working Memory (WM). Specifically, it has been proposed that individual items are represented within gamma oscillations…

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Replication FailureMedicine

Impact of prevention of postoperative pulmonary complications with penehyclidine inhalation on long-term outcomes in high-risk patients: follow-up of a randomized trial.

Liang XQ, Han L, Yan T et al. · 2026 · Journal of anesthesia

Purpose Postoperative pulmonary complications are common and associated with worse long-term outcomes. In our previous trial, prophylactic penehyclidine inhalation reduced pulmonary complications in high-risk patients. Herein, we tested…

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Replication FailureMedicine

Randomised three-armed trial investigation of the Copenhagen Achilles tendon Rupture Treatment Algorithm (CARTA) for individualised treatment of acute Achilles tendon rupture.

Toft M, Hansen MS, Vestergaard JD et al. · 2026 · British journal of sports medicine

Objective To evaluate whether individualised treatment using the Copenhagen Achilles Rupture Treatment Algorithm (CARTA) is superior to default operative or non-operative strategies. Methods We conducted a multicentre, three-arm,…

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Replication FailureMedicine

Patient Characteristics Associated With Speech Recognition and Quality of Life Improvement After Cochlear Implantation.

Chau IJ, Dixon PR, Lin V et al. · 2026 · Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology

Objective To identify patient characteristics associated with improvements in speech recognition scores (SRS) and Cochlear Implant Quality of Life (CIQOL-35) scores following cochlear implantation. Study design Multi-institutional…

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Negative / Null Result ReportMedicine

Nivolumab plus chemoradiotherapy followed by nivolumab with or without ipilimumab for untreated locally advanced stage III NSCLC: a randomized phase 3 trial.

Peters S, Tan DSW, Gerber DE et al. · 2026 · Nature cancer

Over 50% of persons with unresectable stage III non-small cell lung cancer (NSCLC) treated with standard-of-care concurrent chemoradiotherapy (CCRT) and durvalumab consolidation progress or die within 18 months. Here adults with untreated,…

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Negative / Null Result ReportMedicine

Predicting parents' HPV vaccination intentions and behaviors across countries and time.

Schulz JV, Doerflinger JT, Behm C et al. · 2026 · Health psychology : official journal of the Division of Health Psychology, American Psychological Association

Objective This study compares three models of parental human papillomavirus (HPV) vaccination intentions across United States, United Kingdom, and Germany: A model based on the theory of planned behavior (TPB), a model incorporating…

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