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Browse the failure-mode index

12,375 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 ReportMedicine

Biologically enhanced anterior cruciate ligament reconstruction: Platelet-rich plasma or bone marrow aspirate concentrate does not lead to better clinical or radiological outcomes-A randomized controlled trial of 175 cases with 2 years of follow-up.

Mokhtar, Gawish, Abdelgawad et al. · 2026 · Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA

To compare the clinical and radiological outcomes of anterior cruciate ligament reconstruction (ACLR) augmented with platelet-rich plasma (PRP) (1) or bone marrow aspirate concentrate (BMAC) (2) against a control group undergoing standard…

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Negative / Null Result ReportMedicine

Impact of central adiposity on the heart rate and calorie estimation accuracy of diverse smartwatches and the resulting subjective exercise experience.

Lertyongphati, Udomkhwamsuk, Amornrungrojanakul et al. · 2026 · Frontiers in sports and active living

In light of the growing global trend toward health awareness, wearable technologies like smartwatches have become essential for monitoring physiological indicators such as heart rate (HR). However, their utility faces two critical…

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Negative / Null Result ReportMedicine

Transcervical carotid artery stenting compared to transfemoral carotid artery stenting and carotid endarterectomy: perioperative and short-term results from a single center.

Jin, Ni, Huang et al. · 2026 · Frontiers in cardiovascular medicine

Carotid artery stenosis is a major cause of ischemic stroke. Various revascularization strategies exist, including Carotid Endarterectomy (CEA), Transfemoral Carotid Artery Stenting (TF-CAS), and Transcervical Carotid Artery Stenting…

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Negative / Null Result ReportMedicine

Accuracy of Visual Inspection of Thickened Liquids: Implications for Multidisciplinary Dysphagia Management and Clinical Nutrition.

Fong, Kwan · 2026 · Journal of human nutrition and dietetics : the official journal of the British Dietetic Association

To evaluate the accuracy of visually estimating thickened liquid volume via video-observed conditions and to determine whether clinical experience or thickener composition influences judgement reliability. A cross-sectional online survey…

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Negative / Null Result ReportMedicine

Evaluation of 5B9 as a Calibrator or Expression of Results in Absorbance Values for the Diagnosis of Hit With a PF4/Heparin Specific Elisa.

Pouplard C, Charuel N, Archer E et al. · 2026 · International journal of laboratory hematology

Background Immunoassays detecting anti-PF4/H antibodies must be sensitive to exclude heparin-induced thrombocytopenia (HIT), and optical density (OD) values are useful for confirming HIT, but no calibration is currently available.…

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Negative / Null Result ReportOpen accessMedicine

Bilateral Subdural Hematoma Caused by Cervical Traction.

Mano T · 2025 · Clinical medicine insights. Case reports

Cervical traction therapy is commonly used for cervical spondylosis; however, complications, such as subdural hematomas can occur. Possible mechanisms include cerebrospinal fluid (CSF) leakage and bridging vein damage. A 51-year-old…

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Replication FailureOpen accessMedicine

Paraneoplastic Anti-N-methyl-D-aspartate Receptor Encephalitis Associated with Small Cell Lung Cancer: A Dramatic Recovery after Chemotherapy.

Yano K, Ishida T, Yokosuka K et al. · 2026 · Internal medicine (Tokyo, Japan)

Tumor management is the cornerstone of treatment for anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis that is refractory to immunosuppressive therapy. However, little is known about the effectiveness of chemotherapy for…

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Failed Experiment ReportMedicine

Noninvasive Right Ventricular Myocardial Work by Pressure-Strain Loop: A New Perspective on Right Ventricular Function and Cardiac Resynchronization Therapy.

Tian F, Hu C, Liu W et al. · 2025 · The American journal of cardiology

Myocardial work (MW) by noninvasive pressure-strain loop (PSL) is a novel echocardiographic tool that provides a more precise estimation of right ventricular (RV) performance by accounting for the RV loading conditions. The study sought to…

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Negative / Null Result ReportMedicine

Neutrophils shape the therapeutic efficacy of sirtuin 1 activity modulators in murine influenza virus infection.

Simeonova L, Leseva M, Stoyanov K et al. · 2025 · Biochimica et biophysica acta. Molecular basis of disease

Sirtuin 1 (Sirt1), a class III histone deacetylase, is a key regulator of gene expression in various immune cell types, including neutrophils, during infection and acute inflammation. Herein, we studied the effect of the Sirt1 activator…

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Negative / Null Result ReportMedicine

Radiation Therapy Dose Escalation Failed to Improve Local Control for Intermediate-Risk Rhabdomyosarcoma on ARST1431: A Report From the Children's Oncology Group.

Jackson CB, Xue W, Gupta AA et al. · 2025 · International journal of radiation oncology, biology, physics

Purpose To evaluate local failure (LF) rates for patients with intermediate-risk rhabdomyosarcoma treated on the Children's Oncology Group ARST1431 clinical trial, the first and largest international, phase 3 randomized study to use FOXO1…

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Negative / Null Result ReportOpen accessMedicine

Bertolotti joint-related cyst: illustrative case.

Chow WD, Spinner RJ, Amrami KK et al. · 2026 · Journal of neurosurgery. Case lessons

Background Bertolotti syndrome is an underrecognized cause of chronic low back pain. Back pain generated from Bertolotti syndrome is believed to result from altered weight dissipation mechanics and/or instability of the pseudoarticulation,…

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Negative / Null Result ReportOpen accessMedicine

Difficult to manage axial spondyloarthritis patients have high burden of pain-related comorbidities and adverse long-term outcome.

Bertsias A, Flouri I, Emmanouilidou E et al. · 2026 · Arthritis research & therapy

Background Difficult to manage (D2M) axial spondyloarthritis (axSpA) is an evolving clinical concept. We aimed to assess the prevalence, predictors and long-term outcomes of D2M axSpA. Methods Prospective single center cohort study of…

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Negative / Null Result ReportOpen accessMedicine

Failure to Improve Lumbar Lordosis After Single-Level TLIF for Degenerative Spondylolisthesis Does Not Impair Clinical Outcomes at 8.6 Years Postoperatively: A Prospective Cohort of 32 Patients.

Bošnjak K, Vengust R · 2025 · Journal of clinical medicine

Background : We aimed to analyze radiographic sagittal balance parameters in patients who underwent a TLIF procedure for single-level degenerative spondylolisthesis with a mean follow-up of 8.6 years and to determine whether lumbar…

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