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Browse the failure-mode index

12,264 real negative results, null findings, and replication failures in Medicine. 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 ReportOpen accessMedicine

The Effect of Ocrelizumab on Anti-JC Virus Antibody Index.

Virupakshaiah A, Gill AJ, Schoeps VA et al. · 2026 · Brain and behavior

Purpose/introduction The anti-JC virus (JCV) antibody index is used to stratify the risk of progressive multifocal leukoencephalopathy (PML) in multiple sclerosis (MS), particularly with natalizumab therapy. B-cell-depleting therapies may…

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Negative / Null Result ReportMedicine

Impact of low-flow desflurane versus sevoflurane anesthesia on thiol-disulfide homeostasis in adults undergoing elective thyroidectomy: a randomized controlled trial.

Sen E, Aytekin A · 2026 · Revista da Associacao Medica Brasileira (1992)

Objective Thiol-disulfide homeostasis is a marker of oxidative stress. The aim of the study was to compare the effects of low-flow desflurane and sevoflurane anesthesia on perioperative changes in thiol-disulfide balance in patients…

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Negative / Null Result ReportMedicine

Long-term outcomes of patients with moderate-severe pediatric systemic lupus erythematosus treated with combination rituximab and cyclophosphamide therapy: A single center cohort experience and review of literature.

Achar A, Houser P, Cherian J et al. · 2026 · Lupus

ObjectiveTo determine the long-term outcomes of patients with moderate-severe pediatric systemic lupus erythematosus (pSLE) treated with systematic administration of combination rituximab (RTX) and cyclophosphamide (CYC) at our…

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Abandoned HypothesisOpen accessMedicine

Presbyvestibulopathy: an uncommon cause of dizziness in the elderly.

Chang TP, Kuo YH, Bery AK · 2026 · Frontiers in neurology

Background Dizziness is common in older adults, and often presents a diagnostic challenge. Vestibular function declines with age, but the prevalence and diagnostic explanatory value of mild vestibular loss in isolation (i.e., the clinical…

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Negative / Null Result ReportMedicine

Evaluating a specialty-specific objective structured clinical examination and workplace-based assessment curriculum for radiation oncology postgraduate training: a prospective educational intervention study.

Ma CY, Chen J, Fu Y et al. · 2026 · BMC medical education

Background Competence in radiation oncology is still commonly expected to emerge through apprenticeship, although essential tasks such as target delineation, treatment-plan review, and multidisciplinary reasoning are not reliably sampled…

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Negative / Null Result ReportOpen accessMedicine

Effects of Premolar Extraction on the Dimensions of the Airway Through Cephalometric Appraisal: A Retrospective Study.

Mehraj F, Bhat MA, Mangulkar A et al. · 2025 · Journal of pharmacy & bioallied sciences

Introduction In recent years, there has been a great deal of interest in research because of the changes that the extraction of premolars has caused to the structures surrounding of the upper airway. This is because it's thought that these…

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Negative / Null Result ReportMedicine

The challenge of data scarcity and imbalanced classes in radiomics performance.

Rodriguez-Belenguer P, Beser-Robles M, Marfil-Trujillo M et al. · 2026 · Computer methods and programs in biomedicine

Background and objectives Radiomics-based machine learning models are increasingly used for clinical decision-making, yet their reliability is often constrained by limited sample sizes and class imbalance in imaging datasets. While prior…

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Negative / Null Result ReportMedicine

Three-Year Changes in Health-Related Quality of Life after Laparoscopic Hysterectomy: A Registry-Based Cohort Study.

Denstad SE, Volløyhaug I, Lieng M et al. · 2026 · Journal of minimally invasive gynecology

Study objective To evaluate changes in health-related quality of life (HRQoL) 3 years after laparoscopic hysterectomy (LH) for benign, prophylactic, and malignant indications, and to identify baseline factors associated with these changes.…

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Negative / Null Result ReportMedicine

Cortico-cortical paired associative stimulation increases SMA-M1 facilitation in tremor-dominant Parkinson's disease.

Tan J, Rurak BK, Helmich RC et al. · 2026 · Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology

Objective Tremor is a common motor symptom of Parkinson's disease (PD) that reduces quality of life. Cortico-cortical paired associative stimulation (ccPAS) is a transcranial magnetic stimulation protocol that induces connective…

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