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Browse the failure-mode index

12,246 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

C-reactive protein and fatigue after subarachnoid haemorrhage.

Daniel S, Hou R, Galea I et al. · 2025 · Brain, behavior, & immunity - health

Background Subarachnoid haemorrhage (SAH) is a severe type of intracranial bleed that causes significant morbidity. One of the most overlooked yet commonly reported symptom is persistent fatigue. Fatigue in the general population has been…

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Negative / Null Result ReportOpen accessMedicine

Anthropometric indicators and dental caries in the pediatric population of rural communities in the peruvian amazon: a cross-sectional study.

Aquino-Canchari CR, Parraga Camayo EF, Ambrosio Huaman EN et al. · 2025 · Revista cientifica odontologica (Universidad Cientifica del Sur)

Introduction Dental caries and nutritional alterations are common in childhood, particularly in rural communities with limited access to health services. Objective To determine the association between anthropometric indicators and the…

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Negative / Null Result ReportOpen accessMedicine

Investigating the association between demographic factors and patient satisfaction with recovery in the early phase after non-catastrophic musculoskeletal injuries: a cross-sectional study.

Maleki M, Modarresi S · 2025 · BMC research notes

Background Orthopedic injuries can negatively impact both the physical and mental health of patients. Ensuring patient satisfaction with their recovery is crucial for meeting patient-centered goals and enhancing overall health outcomes.…

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Negative / Null Result ReportMedicine

Influence of matrix metalloproteinase 9 variant rs17576 on ischemic stroke risk and severity in acute coronary syndrome.

Bogari NM, Naffadi HM, Babalghith AO et al. · 2024 · Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association

Background Ischemic injury is a common mechanism in both ischemic stroke (IS) and acute coronary syndrome (ACS). Matrix metalloproteinase 9 (MMP-9), an endopeptidase that degrades extracellular matrix, is important in the pathogenesis of…

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Negative / Null Result ReportOpen accessMedicine

Combined Prognostic Value of Nutritional and Inflammatory Indices for Predicting Functionally Significant Coronary Stenosis Verified by FFR: The PNI-SII-GINI Study.

Aydın MZ, Arin CB, Teber MK et al. · 2026 · Journal of inflammation research

Background Systemic inflammatory and nutritional indices have been associated with coronary artery disease burden and prognosis; however, their ability to predict lesion-level functional ischemia remains uncertain. This study evaluated…

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Negative / Null Result ReportOpen accessMedicine

Social norm intervention in real-world supermarkets in the Netherlands: A quasi-experimental evaluation of effects on perceived social norms and meat substitute purchases.

Wolfswinkel SMM, Raghoebar S, de Vet E et al. · 2026 · Applied psychology. Health and well-being

Social norm perceptions are implicit rules of conduct that describe what is normal and acceptable behavior. Changing social norm perceptions through textual and physical social norm communications can be a promising approach to changing…

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Negative / Null Result ReportOpen accessMedicine

Circulating Omentin Levels in Heart Failure: A Case-Control Study.

Currò D, Vergani E, Nicolazzi MA et al. · 2026 · International journal of molecular sciences

Cardiovascular diseases remain the leading cause of global mortality, with heart failure (HF) representing a critical clinical endpoint. HF is traditionally classified into two distinct phenotypes based on left ventricular ejection…

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Negative / Null Result ReportOpen accessMedicine

The association of previous and current non-chronic low back pain with daily physical activity in middle- and older-aged adults.

Gonçalves TR, Cunha DB, Mediano MFF et al. · 2025 · BMC public health

Background Low back pain (LBP) is a leading cause of years lived with disability. However, the association of non-chronic LBP with levels of daily physical activity (PA) remains poorly explored. This study investigated the association…

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Negative / Null Result ReportMedicine

Lack of association between rs1049353 polymorphism of the CNR1 gene and suicide attempt frequency in Polish population.

Wierzbiński P, Henzler M, Hubska J · 2022 · Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego

Suicidal behaviour is a major public health problem in Poland. There is compelling evidence that genetic factors contribute to the risk for suicidal behavior. Studies suggest a link between single nucleotide polymorphism (SNP) rs1049353…

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Negative / Null Result ReportOpen accessMedicine

Retrospective Study of Serum Vitamin D Levels and Metabolic-Associated Fatty Liver Disease in 222 Children and Adolescents Aged 6-18 Years With Obesity.

Gümüş CY, Özer Y, Kaşko Arıcı Y · 2026 · Medical science monitor : international medical journal of experimental and clinical research

BACKGROUND Vitamin D deficiency is common in pediatric obesity and has been proposed to contribute to metabolic-associated fatty liver disease (MAFLD). This retrospective study aimed to evaluate serum 25-hydroxyvitamin D (25[OH]D) levels…

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Negative / Null Result ReportOpen accessMedicine

The lack of association between different LDL-C levels and oxidized LDL in patients with type 2 diabetes.

Rabizadeh S, Seyedi SA, Nabipoorashrafi SA et al. · 2023 · Chronic diseases and translational medicine

Background High concentrations of low-density lipoprotein cholesterol (LDL-C) have been a known risk factor for cardiovascular diseases. Also, the role of oxidized LDL (ox-LDL) in forming atherosclerosis plaque has been proven. However, it…

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Negative / Null Result ReportMedicine

Goal Concordance in the Advancing Symptom Alleviation with Palliative Treatment Clinical Trial of a Nurse and Social Worker Palliative Telecare Team Intervention.

Lange AV, Hess E, Barón AE et al. · 2026 · Journal of palliative medicine

Background Providing and measuring goal-concordant care is a priority. Objective Determine the effect of a nurse and social worker palliative telecare team intervention on goal concordance and participants' understanding of care focus.…

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Negative / Null Result ReportOpen accessMedicine

A case-control study on the diagnostic role of Omega-3 fatty acid levels in erythrocyte membranes of critically ill patients.

Dorchin M, Nasiri-Jounaghani M, Hashemi-Javaheri FS et al. · 2025 · Scientific reports

This study aimed to investigate the erythrocyte Omega-3 fatty acid index as a potential biomarker for clinical severity, nutritional status, and mortality risk in critically ill patients admitted to the intensive care unit (ICU). Using a…

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Negative / Null Result ReportMedicine

Effectiveness of a School-Based Substance Use Prevention Program in Reducing Primary School Students' Intentions to Use Tobacco, Alcohol or Other Drugs in the Future.

Hodder RK, O'Brien KM, Wolfenden L et al. · 2026 · Health promotion journal of Australia : official journal of Australian Association of Health Promotion Professionals

Issue addressed Tobacco, alcohol and other drug use contribute significantly to the global burden of disease, with initiation typically occurring during childhood and adolescence. School-based substance use prevention interventions are…

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Negative / Null Result ReportMedicine

Age-related changes and lack of effect of midlife resistance wheel exercise on afferent connectivity of lumbar alpha motor neurons in ageing mouse spinal cord.

S Krishnan V, Hodgetts SI, Harvey AR et al. · 2025 · Biogerontology

This two part study on the afferent connectivity of lumbar spinal motor neurons in normal ageing mice investigates; Study 1: time course analysis of age-related changes in the synaptic coverage of lumbar spinal cords of male C57BL/BJ mice…

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Negative / Null Result ReportMedicine

Percutaneous gastrostomy, mechanical ventilation and survival in amyotrophic lateral sclerosis: an observational study in an incident cohort.

Borghero G, Pierri V, Pili F et al. · 2024 · Amyotrophic lateral sclerosis & frontotemporal degeneration

Objective To analyze disease-modifying effects of percutaneous endoscopic gastrostomy (PEG) insertion for supporting nutrition, noninvasive ventilation (NIV), and tracheostomy-assisted ('invasive') ventilation (TIV) in amyotrophic lateral…

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Negative / Null Result ReportMedicine

Triiodothyronine supplementation in a sheep model of intensive care.

Maiden MJ, Torpy DJ, Ludbrook GL et al. · 2024 · Experimental and therapeutic medicine

Triiodothyronine (T3) concentrations in plasma decrease during acute illness and it is unclear if this contributes to disease. Clinical and laboratory studies of T3 supplementation in disease have revealed little or no effect. It is…

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