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Browse the failure-mode index

12,244 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

Association of Driver Oncogenic Alterations with SUVmax, Preoperative Serum Calcium, and Smoking Status in Surgically Resected Non-Small-Cell Lung Cancer: A Retrospective Single-Center Study.

Korodimos N, Wojtyś ME, Kostopanagiotou K et al. · 2026 · Journal of clinical medicine

Background: Non-small-cell lung cancer (NSCLC) is driven by distinct oncogenic alterations with important therapeutic and prognostic implications. Noninvasive biomarkers that predict molecular status in surgically resectable disease may…

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Negative / Null Result ReportOpen accessMedicine

Impact of oral health education program in children suffering from attention deficit hyperactivity disorder: A cross-sectional study.

Mahajan A, Haideri S, Kumar VVH et al. · 2026 · Journal of education and health promotion

Background The oral health is an integral part of general well-being in children suffering from attention deficit hyperactivity disorder (ADHD). The present study aimed to analyze the impact of oral health education program on children…

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Negative / Null Result ReportMedicine

Delayed initiation of GnRH antagonist in PCOS patients undergoing IVF: a retrospective cohort study of premature ovulation and embryological outcomes.

Peker N, Yücetürk A, Tığlı E et al. · 2026 · Journal of ovarian research

Background We aimed to evaluate whether delayed initiation of gonadotropin hormone-releasing hormone (GnRH) antagonist treatment affects premature ovulation and the number of good-quality blastocysts. We retrospectively reviewed the…

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Negative / Null Result ReportOpen accessMedicine

The Gut-Disc Axis: Mendelian Randomization Study Reveals Causal Effects of Gut Microbiota on Intervertebral Disc Degeneration Not Mediated by Systemic Inflammation.

Yan Z, Jiang Q, Lu Z et al. · 2026 · International journal of general medicine

Background Intervertebral disc degeneration (IVDD) is a major cause of low back pain. Observational studies suggest a link with gut microbiota (GM), possibly mediated by systemic inflammation, but causality remains unclear. Objective To…

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Negative / Null Result ReportOpen accessMedicine

Comparison of Clinical Outcomes of INBONE II Total Ankle Arthroplasty in Patients Under 50 and Over 65 Years: A 4-Year Retrospective Study.

Xu X, Zhang B, Wang X et al. · 2026 · Orthopaedic surgery

Objective There is no consensus on the age restriction for total ankle arthroplasty (TAA) patients. The aim of our study was to analyze the clinical function, radiographic outcomes, patient satisfaction, and complications between patients…

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Negative / Null Result ReportOpen accessMedicine

An examination into the safety and efficacy of Khapregesic®, a Khaya senegalensis preparation, on physical and psychological wellbeing in women experiencing menopausal symptoms: a randomised, double-blind, placebo-controlled trial.

Lopresti AL, Smith SJ, Ferdinands FR · 2026 · Frontiers in reproductive health

Background Khaya senegalensis is a tree species that has traditional use for the alleviation of menstrual and hormonal symptoms in women. Moreover, supplementation with a Khaya senegalensis preparation (Khapregesic®) was associated with…

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Negative / Null Result ReportOpen accessMedicine

Short-Term Gingival Microcirculatory Responses to Non-Invasive Physical Stimulation: Implications for Accelerated Orthodontic Research.

Atsuta S, Koizumi S, Takahashi SS et al. · 2026 · Dentistry journal

Background/Objectives : Acceleration of orthodontic tooth movement remains a major challenge in clinical orthodontics. Evidence suggests that increased local blood flow around the alveolar bone is key to bone remodeling and potentially…

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Replication FailureOpen accessMedicine

Management of Distal Radius Fractures in Frail Elderly Patients With High Anesthetic Risk: Cast Immobilization Versus Volar Locking Plate Fixation.

Yiğit N, Nazlıgül AS, Ülgen NK et al. · 2026 · Geriatric orthopaedic surgery & rehabilitation

Background Distal radius fractures are common among elderly patients and frequently pose management challenges due to advanced age, multiple comorbidities, and increased anesthesia-related risks. In high-risk individuals with limited…

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Negative / Null Result ReportOpen accessMedicine

Digestive Tract Cancer: A Retrospective Study of the Epidemiological Profile of Populations Exposed and Not Exposed to Uranium Contamination in North Kazakhstan (2014-2023).

Ilbekova K, Ibrayeva D, Saifulina E et al. · 2026 · Journal of clinical medicine

Background/Objectives : Cancer incidence and mortality are key epidemiological indicators for evaluating the long-term biological effects of chronic low-dose radiation exposure. The aim of this study was to assess the incidence, structure,…

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Negative / Null Result ReportOpen accessMedicine

Evaluation of Interexaminer Reliability in Visual Shade Matching: A Comparative Analysis of Optilume Trueshade and Conventional Lighting for Permanent Anterior Teeth.

Alkhalifah OF, Ali Shah S, Tareen SUK et al. · 2026 · Cureus

Background Achieving a lifelike color match for anterior restorations is a persistent challenge because tooth appearance is heavily influenced by illumination and observer-dependent choices. While visual matching with VITA-type guides…

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Negative / Null Result ReportOpen accessMedicine

A Phase II Study of FOLFIRI Plus Ziv-Aflibercept After Trifluridine/Tipiracil Plus Bevacizumab in Patients with Metastatic Colorectal Cancer: WJOG 11018G.

Matsumoto T, Yamamoto Y, Kotaka M et al. · 2024 · Targeted oncology

Background Non-inferiority of trifluridine/tipiracil (FTD/TPI) plus bevacizumab (BEV) to irinotecan/fluoropyrimidine plus BEV in metastatic colorectal cancer was investigated in the phase III TRUSTY study, and we conducted a phase II study…

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Negative / Null Result ReportMedicine

Efficacy and safety of biological DMARDs: a systematic literature review informing the 2022 update of the ASAS-EULAR recommendations for the management of axial spondyloarthritis.

Webers C, Ortolan A, Sepriano A et al. · 2023 · Annals of the rheumatic diseases

Objective To update the evidence on efficacy and safety of biological disease-modifying antirheumatic drugs (bDMARDs) in patients with axial spondyloarthritis (axSpA) to inform the 2022 update of the Assessment of SpondyloArthritis…

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Negative / Null Result ReportOpen accessMedicine

Perioperative immunotherapy combined with standard therapy for human epidermal growth factor receptor 2-positive locally advanced gastric cancer: A case report.

Ma XT, Yao GY, Li JL et al. · 2025 · World journal of clinical oncology

Background Human epidermal growth factor receptor 2 (HER2)-positive gastric cancer (GC) represents a distinct molecular cancer subtype that is often associated with a poor prognosis. While perioperative chemotherapy regimens are currently…

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Negative / Null Result ReportOpen accessMedicine

Differences in umbilical cord blood gas parameters between women with and without gestational diabetes: a single-center prospective-retrospective cohort study.

Szablewska AW, Zając B · 2026 · Scientific reports

Gestational diabetes mellitus (GDM) is associated with various perinatal complications and may affect neonatal acid-base status. Umbilical cord arterial blood gas (ABG) analysis provides an objective measure of fetal well-being at birth,…

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Abandoned HypothesisOpen accessMedicine

Use Treadmills with Caution: Walking Energy Expenditure and Metabolic Cost Are Elevated Compared to Overground Across Multiple Speeds in Healthy Young Adults.

Das Gupta S, Kamishita K, Kondo M et al. · 2026 · Journal of functional morphology and kinesiology

Objectives : Treadmill walking is often employed for tightly controlled gait and energetics research, but growing evidence suggests that treadmill-based metabolic and biomechanical measurements may not directly reflect the ecologically…

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Negative / Null Result ReportMedicine

Integrating ankle weights into Nordic walking to improve muscle strength and functional outcomes in community-dwelling older adults: A randomized controlled trial.

Soenarti S, Sitorus S, Nugroho MB et al. · 2026 · Rehabilitacion

Sarcopenia represents a leading cause of functional decline in older adults. This randomized controlled trial examined whether the addition of ankle weights to a Nordic walking protocol yields superior outcomes compared with standard…

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Negative / Null Result ReportOpen accessMedicine

Cerebral glycerol during haemorrhagic shock in normal and raised intracranial pressure resuscitated with total REBOA: an experimental porcine study.

Bader S, Magnuson A, Brorsson C et al. · 2026 · European journal of trauma and emergency surgery : official publication of the European Trauma Society

Background Haemorrhagic shock (HS) is frequently associated with secondary cerebral injury due to compromised cerebral perfusion. Resuscitative endovascular balloon occlusion of the aorta (REBOA) is an effective haemorrhage control…

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