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Failure-mode index

Search what already failed

A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.

20289 results in Negative / Null Result Report · page 651 of 677

Negative / Null Result ReportMedicine

Comparison of the Impact of Different Dacryocystorhinostomy Techniques on Patient Quality of Life in Lacrimal Duct Obstruction.

Hakkani Öznay Ç, Findik H, Uzun F et al. · 2026 · Journal of clinical medicine

Objectives : To prospectively compare the outcomes of external dacryocystorhinostomy (EX-DCR), endonasal dacryocystorhinostomy (EN-DCR), and laser-assisted transcanalicular dacryocystorhinostomy (TL-DCR) in patients with nasolacrimal duct…

View details →DOI: 10.3390/jcm15124488
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…

View details →DOI: 10.3390/jcm15114100
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…

View details →DOI: 10.4103/jehp.jehp_1102_25
Negative / Null Result ReportOpen accessMedicine

Cinnarizine vs. topiramate for migraine prophylaxis in children: a randomized, double-blind, parallel-group clinical trial.

Abdi A, Abbasi E, Abazarlou A · 2026 · BMC neurology

Objectives Migraine is a common and disabling neurological disorder in children, often requiring preventive treatment. This study aimed to compare the efficacy and tolerability of cinnarizine and topiramate in the prophylaxis of migraine…

View details →DOI: 10.1186/s12883-026-04950-1
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…

View details →DOI: 10.1186/s13048-026-02161-3
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…

View details →DOI: 10.2147/ijgm.s615488
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,…

View details →DOI: 10.3390/jcm15114330
Negative / Null Result Report

Pseudoperplexity Probes Memorization in Protein Language Models

Plaikner A, Ploner M, Sewald Z et al. · 2026 · Preprint

Protein Language Models (pLMs) have significantly advanced computational biology. Yet their scale and reliance on redundant training data raise a fundamental question: do pLMs generalize the statistical grammar of proteins, or do they…

View details →DOI: 10.64898/2026.06.08.730685
Negative / Null Result ReportMedicine

Impact of chemotherapy dose reduction during concurrent chemoradiotherapy on survival outcomes in limited-stage small-cell lung cancer.

Shan J, Yu J, Zhao L et al. · 2026 · BMC cancer

Background Dose reduction during concurrent chemoradiotherapy (cCRT) is frequently required in patients with limited-stage small-cell lung cancer (LS-SCLC) because of treatment-related toxicities or poor tolerance. However, the impact of…

View details →DOI: 10.1186/s12885-026-16150-8
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…

View details →DOI: 10.7759/cureus.108421
Negative / Null Result Report

Regional and Management-driven Variation in Apple Microbiome and Resistome

Kiplimo D, Sperber S, Nata’ala MK et al. · 2026 · Preprint

Abstract Background Antimicrobial resistance (AMR) in plant-associated microbiomes is increasingly recognized as One-Health concern. Apples are widely consumed, yet little is known about how agricultural practices and geography shape its…

View details →DOI: 10.21203/rs.3.rs-9344661/v1
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…

View details →DOI: 10.1007/s11523-024-01043-2
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…

View details →DOI: 10.1136/ard-2022-223298
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…

View details →DOI: 10.5306/wjco.v16.i11.112029
Negative / Null Result ReportOpen accessMedicine

Effect of Two Post-Curing Units on the Physico-Mechanical Properties of 3D-Printed Resins for Permanent Crown Fabrication.

Mujayridi M, Matinlinna J, Silikas N · 2026 · Materials (Basel, Switzerland)

Three-dimensional (3D) printing is increasingly used for the fabrication of definitive crowns; however, whether specific post-curing hardware is mandatory for clinical success remains a practical concern. This study provided a practical…

View details →DOI: 10.3390/ma19091886
Negative / Null Result ReportOpen accessMedicine

Thyroid hormones and energy metabolism in amyotrophic lateral sclerosis.

Novikova L, Lang C, Tumani H et al. · 2026 · Brain communications

Weight loss, partially caused by hypermetabolism, represents a well-documented and therapeutically relevant feature of the amyotrophic lateral sclerosis phenotype worldwide. In this study, we retrospectively analysed the association…

View details →DOI: 10.1093/braincomms/fcag198
Negative / Null Result ReportMedicine

Evaluation of the shoulder complex in individuals with type 2 diabetes: A cross-sectional study.

Türk B, Metin G, Fencki SM et al. · 2026 · Journal of bodywork and movement therapies

Background Type 2 diabetes mellitus (T2DM) can impair musculoskeletal function, affecting the shoulder's mobility, proprioception, and functional stability. Despite its growing prevalence, shoulder involvement in T2DM remains largely…

View details →DOI: 10.1016/j.jbmt.2026.05.011
Negative / Null Result ReportMedicine

Effect of oral health education by audio aids, braille, tactile models on the oral health status of visually impaired adults: a 6-month follow-up study.

Yıldırım D, Zorluoğlu SL, Navruz ES et al. · 2026 · BMC oral health

Background Oral and dental health education is typically delivered using visual methods on jaw models. However, these methods are insufficient for individuals with visual impairments. This study aims to contribute to the oral and dental…

View details →DOI: 10.1186/s12903-026-08692-x
Negative / Null Result ReportOpen accessMedicine

Osteosynthesis versus arthroplasty in the management of radial head fractures: a retrospective cohort study.

Sousa MM, Vieira LP, Pinho AR et al. · 2026 · JSES reviews, reports, and techniques

Background Radial head fractures are among the most common elbow injuries in adults. The choice between osteosynthesis and radial head arthroplasty (RHA) remains controversial, particularly in comminuted or unstable fracture patterns. This…

View details →DOI: 10.1016/j.xrrt.2026.100780
Negative / Null Result ReportOpen accessMedicine

Focus on comfort: the effect of focus language on postoperative hospital stay compared to the Numeric Rating Scale in children receiving postoperative care-a pre-post study.

Angenent A, Maaskant JM, Nieland L et al. · 2026 · European journal of pediatrics

This study evaluates the effect of a comfort assessment using focus language compared with pain assessment using the Numeric Rating Scale (NRS) on postoperative length of stay (LOS), analgesic use and patient and parental satisfaction.…

View details →DOI: 10.1007/s00431-026-06932-4
Negative / Null Result ReportOpen accessMedicine

Early outcomes of transverse perineal support in obstructed defecation syndrome with pathological perineal descent; a prospective cohort study.

Azmy Basiouny HM, Shafik AA, Elbarmelgi MY et al. · 2026 · BMC surgery

Background While current surgical approaches for obstructed defecation syndrome (ODS) primarily target rectocele and rectal intussusception, excessive perineal descent (PD) may contribute to persistent symptoms and suboptimal surgical…

View details →DOI: 10.1186/s12893-026-03888-y
Negative / Null Result ReportOpen accessMedicine

Vitamin D-related genetic variants as predictive biomarkers for breast cancer in Jordanian women.

Al-Eitan LN, Alasmar MK, Alorjani MS et al. · 2026 · Frontiers in medicine

Background Vitamin D exerts a protective role in carcinogenesis by regulating signaling pathways implicated in tumor growth and progression. Variants in CYP2R1, CYP24A1, CYP27B1, and DBP have been reported to influence circulating 25(OH)D…

View details →DOI: 10.3389/fmed.2026.1816935