e-ISSN: Pending

Browse the failure-mode index

21,266 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

A Phase 2b Multicenter Study to Evaluate Basmisanil as an Adjunctive Treatment in Patients With Cognitive Impairment Associated With Schizophrenia.

Umbricht D, Abt M, Derks M et al. · 2026 · The Journal of clinical psychiatry

Objective: Cognitive impairment associated with schizophrenia (CIAS) is a key driver of functional deficits in patients with this disorder. CIAS may involve deficient NMDA receptor-dependent neurotransmission. Negative allosteric…

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Negative / Null Result Report

Clinical and Dynamic Evaluation of the C-Reactive Protein–to–Albumin Ratio in Acute Ischemic Stroke: Interaction with Neurological Severity and Limited Prognostic Utility

Toprak HB, Erdemir M, Bilgiç E et al. · 2026 · Preprint

Abstract Background The C-reactive protein–to–albumin ratio has been proposed as a composite inflammatory biomarker associated with adverse outcomes in critically ill patients. However, whether the C-reactive protein–to–albumin ratio…

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Negative / Null Result ReportMedicine

Delivery of nano-formulated drugs to solid tumours is selectively increased by co-application of the vascular disrupting agent CA4P.

Kitowski A, Heise C, Sperling S et al. · 2026 · British journal of pharmacology

Background and purpose Nano-formulated chemotherapeutics prolong systemic availability of drugs and can reduce systemic toxicity, but their accumulation in solid tumours is often limited and unpredictable. Broadly applicable strategies to…

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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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