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WASTE Journal

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

Clinical Status and Salivary aMMP-8 Evaluation of 0.12% Chlorhexidine Versus MicroRepair<sup>®</sup> ABX Mouthwash in the Non-Surgical Management of Plaque-Induced Gingivitis: A Randomized Controlled Trial.

Scribante A, Pascadopoli M, Pellegrini M et al. · 2026 · Dentistry journal

Objectives : To compare the adjunctive efficacy of a MicroRepair ® mouthwash containing an antibacterial complex (ABX), composed of cetylpyridinium chloride, magnolol, and honokiol, with 0.12% chlorhexidine (CHX) in the management of…

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Negative / Null Result ReportOpen accessMedicine

Safety of flexible bronchoscopy in elderly patients.

Spiegel S, Hübner RH, Schürmann D et al. · 2026 · BMC pulmonary medicine

Background Flexible bronchoscopy is an indispensable tool in respiratory medicine. In the context of an aging society and increasing life expectancy, the number of elderly, often multimorbid patients is growing. This raises important…

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Negative / Null Result ReportOpen accessMedicine

Effect of conventional warm-up versus stretching warm-up on physical performance in children soccer players: a randomized crossover trial.

Hernandez-Martínez J, Cid-Calfucura I, Perez-Carcamo J et al. · 2026 · Frontiers in physiology

Introduction To evaluate the effects of the conventional warm-up (CC) compared to warm-ups that included static (SSC), dynamic (DSC), or ballistic (BSC) stretching on jump performance (CMJ, SJ, DJ), curve sprint speed, agility (ICODT), and…

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Negative / Null Result ReportOpen accessMedicine

Assessment of pain and post-injection induration in children: A comparative study of cold application, manual pressure, and shot blocker techniques.

Sasireka V, Bhuvaneswari G, Babu S · 2026 · Journal of education and health promotion

Background Intramuscular (IM) injections are widely used in pediatric care but often cause pain and distress. Effective management is essential to improve children's healthcare experiences. Non-pharmacological methods, including Cold…

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Negative / Null Result ReportOpen accessMedicine

Critical care ultrasound evaluation of snuffbox artery vascular tension: a prospective observational study between healthy volunteers and intensive care unit patients.

Qin Y, Zhu Y, Dai X et al. · 2026 · Frontiers in medicine

Background Systemic vascular resistance is conventionally assessed using invasive methods; the snuffbox artery resistance index (RI) is a superior non-invasive predictor of lactate clearance in septic shock patients to the perfusion index.…

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Negative / Null Result ReportMedicine

Comparable survival over an extended follow-up after on-pump versus off-pump coronary artery bypass grafting: a propensity score-matched cohort.

Pikkujämsä A, Rinne P, Wistbacka JO et al. · 2026 · BMC cardiovascular disorders

Background Long-term survival following off-pump coronary artery bypass grafting (OPCAB) compared with conventional on-pump coronary artery bypass grafting (ONCAB) remains uncertain. Randomised trials and meta-analyses up to 5-10 years…

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Negative / Null Result ReportMedicine

Impact of music intervention on endoscopic retrograde cholangiopancreatography patients' pain, anxiety, and vital signs: a randomized controlled trial.

Çakır E, Ciğerci Y, Yılmaz S · 2026 · Scientific reports

This study aimed to evaluate the effects of a music intervention on anxiety, pain, and vital signs in patients undergoing Endoscopic Retrograde Cholangiopancreatography (ERCP). This randomized controlled trial included 70 patients who…

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Negative / Null Result ReportMedicine

Automated Rigo Classification: An Innovative Artificial Intelligence System.

Schmidt N, Johnson G, Nencka A et al. · 2026 · Studies in health technology and informatics

Although there is variation in clinicians' application of the Rigo classification system (RCS) to adolescent idiopathic scoliosis, no artificial intelligence (AI) models have been developed to standardize the RCS specifically. This study…

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Abandoned HypothesisOpen accessMedicine

Emotion regulation skills training for adolescents and parents in a clinical setting: a randomised controlled trial.

Holmqvist Larsson K, Falkenström F, Andersson G et al. · 2026 · Child and adolescent psychiatry and mental health

Background Emotion dysregulation is a transdiagnostic construct associated with psychiatric symptomatology. Improving strategies to regulate emotions is an important focus in several psychological treatments. In the current study we…

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Abandoned HypothesisOpen accessMedicine

Implantation of a Continuous-Flow Left Ventricular Assist Device During Cardiopulmonary Bypass Is Associated with a Significant and Transient Acute Thromboinflammatory Response.

Gerogianni A, Sørensen G, Hoel TN et al. · 2026 · International journal of molecular sciences

Left ventricular assist device (LVAD) implantation is a life-saving therapy for end-stage heart failure but may compromise immune integrity. Mechanical shear stress and surface-induced innate immune activation can trigger bleeding and…

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Negative / Null Result ReportMedicine

Mid-term clinical outcomes of mobile-bearing UKA: a retrospective study on the influence of patellofemoral joint disease, lower limb alignment, and implant positioning.

Chen M, Zhang C, Fan Z et al. · 2026 · BMC musculoskeletal disorders

Background Unicompartmental knee arthroplasty (UKA) has become an effective treatment for medial compartment osteoarthritis of the knee. However, its use in patients who also have patellofemoral joint osteoarthritis (PFOA) before surgery…

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Negative / Null Result ReportOpen accessMedicine

Association Between Early Childhood Caries and Systemic Inflammatory Profiles: A Retrospective Analysis of Children Undergoing Dental Treatment Under General Anesthesia.

Tez Yaşar BÇ, Çakmak AB, Eberliköse H et al. · 2026 · Children (Basel, Switzerland)

Background/objectives Early childhood caries (ECC) is a chronic inflammatory condition that may impose a systemic burden in pediatric patients. This study aimed to evaluate the association between dental caries severity, classified by dmft…

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Negative / Null Result ReportMedicine

Impact of primary tumor SUVmax on PET accuracy in mediastinal lymph node staging of non-small cell lung cancer (NSCLC).

Kużdżał A, Gambuś K, Moszczyński K et al. · 2026 · Advances in clinical and experimental medicine : official organ Wroclaw Medical University

Background Positron emission tomography (PET) using 18-fluorodeoxyglucose (18-FDG) is the primary imaging modality for mediastinal staging of lung cancer. Higher standardized uptake value (SUVmax) reportedly correlates with more aggressive…

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Negative / Null Result ReportMedicine

The Effect of Sleep Environment on Sleep Quality and Behavior in Firefighters: A Cross-Sectional Study.

Zera JN, Esper E, Simonson AP et al. · 2026 · International journal of environmental research and public health

Firefighters face high-stress occupational demands and irregular shift work that negatively impact sleep quality, which is intrinsically linked to long-term physical and psychological health. This cross-sectional study examines how the…

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Negative / Null Result ReportOpen accessMedicine

Effect of Powder-to-Liquid Ratio on pH, Calcium Ion Release, and Solubility Behaviors of Endodontic Bioceramics: An In Vitro Study.

Aka A, Matsuura T, Yoshimura A · 2026 · Journal of functional biomaterials

This study investigated the physicochemical properties of three endodontic bioceramics: MTA Flow White (F), MTA Repair HP (HP), and Nishika Canal Sealer BG multi (BG). Disc-shaped samples were immersed in deionized water for 28 days to…

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Negative / Null Result ReportOpen accessMedicine

Association between changes in blood eosinophil levels and alterations in olfactory function in asthma.

Rhyou HI, Bae WY, Nam YH · 2026 · Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology

Olfactory dysfunction has been observed in asthma, but its underlying mechanisms are poorly understood. This prospective study assessed olfactory function using the YSK Olfactory Function Test in 30 patients with moderate to severe asthma,…

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Negative / Null Result ReportMedicine

Face-To-Face Vs. Online Behavioral Parent Training for Young Children with ADHD: Child and Parent Outcomes.

DuPaul GJ, Kern L, Dever BV et al. · 2026 · Journal of clinical child and adolescent psychology : the official journal for the Society of Clinical Child and Adolescent Psychology, American Psychological Association, Division 53

Objective Behavioral parent training is a first-line psychosocial intervention for young children with Attention-Deficit/Hyperactivity Disorder. Traditional face-to-face delivery is limited by access to therapists, feasibility, and/or…

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Negative / Null Result ReportOpen accessMedicine

The rise and fall of glucocorticoids and immunosuppressants in idiopathic pulmonary fibrosis: a historical paradigm shift driven by mechanistic understanding.

Wen B, Wu X, Ma X et al. · 2026 · Frontiers in immunology

The therapeutic strategy for Idiopathic Pulmonary Fibrosis (IPF) has undergone a fundamental transformation over recent decades. Combination therapy with glucocorticoids and immunosuppressants, particularly the "triple therapy" regimen…

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