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Browse the failure-mode index

11,417 real negative results, null findings, and replication failures in Medicine · Negative / Null Result Report. 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

Cognitive Function Among Heart Transplant Recipients Before and After Intravenous Iron Supplement for Iron Deficiency: Results From a Randomized, Placebo-Controlled, Double-Blind Treatment Trial.

Bürker BS, Brautaset Englund KV, Myrdal Østby C et al. · 2025 · Clinical transplantation

Background Cognitive dysfunction after successful heart transplantation (HTx) is not uncommon. Lower hemoglobin levels have previously been associated with cognitive dysfunction in heart transplant recipients (HTx recipients). In a…

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Negative / Null Result ReportMedicine

Randomized Cross-Over Study to Examine Associations Between Dialyzer Clotting, Uremic Toxin Removal, and Hemocompatibility During Post-Dilution Hemodiafiltration With Reduced Anticoagulation.

Eloot S, Erlenkötter A, Zawada AM et al. · 2026 · Artificial organs

To date, it remains unclear to what extent dialyzer performance is affected by clotting, and which hemocompatibility parameters can reliably predict this phenomenon. This study investigated the relationship between dialyzer clotting,…

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Negative / Null Result ReportMedicine

Waggle-dance-recruited honeybees expect landscape structures.

Wang Z, Mach J, Chen X et al. · 2025 · Current biology : CB

Honeybee foragers explore the environment before they start foraging, following dances, or performing dances. Foragers are therefore familiar with the landscape surrounding the hive during their foraging career. Here, we ask whether…

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Negative / Null Result ReportMedicine

Comparison of a novel culture-based selection for dry cow therapy with somatic cell count-based selection: comparing detection rates for major pathogens and subsequent udder health outcomes.

Cuttance E, Nortje R, Laven R et al. · 2025 · The Journal of dairy research

This study compared a culture-based protocol in which only cows identified as having intramammary infections due to major pathogens (major IMI) were treated with dry cow antibiotics (DCAT) compared with the current New Zealand somatic cell…

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Negative / Null Result ReportMedicine

HNF4A intestinal ablation positively influences the fate of ileal goblet cells during <i>Salmonella typhimurium</i> infection.

Gómez DP, Nicolás VR, Marrero GC et al. · 2026 · American journal of physiology. Gastrointestinal and liver physiology

Hepatocyte nuclear factor 4 A (HNF4A) is a transcription factor that regulates a diverse range of intestinal epithelial genes involved in tissue renewal, differentiation, and metabolism, among other functions. The HNF4A locus is associated…

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Negative / Null Result ReportOpen accessMedicine

Positive effect of evobrutinib in CNS remyelination models and lack of synergy with clemastine-A dose response study.

Martin E, Aigrot MS, Frère N et al. · 2025 · Multiple sclerosis journal - experimental, translational and clinical

Background To recover normal functions, remyelination in multiple sclerosis is crucial. Although endogenous remyelination occurs, it is often insufficient, and finding molecules promoting repair of demyelinated lesions is needed.…

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Negative / Null Result ReportMedicine

Correlation of Body Mass Index with Overall Survival Among Patients with Metastatic Hormone-sensitive Prostate Cancer: Analysis of Patient-level Data from SWOG-1216.

Swami U, Jo Y, Narang A et al. · 2025 · European urology oncology

Although obesity has been associated with better overall survival (OS) among patients with metastatic castration-resistant prostate cancer, its association with OS has not been extensively explored in metastatic hormone-sensitive prostate…

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Negative / Null Result ReportOpen accessMedicine

Deucravacitinib in patients with inflammatory bowel disease: 12-week efficacy and safety results from 3 randomized phase 2 studies in Crohn's disease and ulcerative colitis.

D'Haens G, Danese S, Panaccione R et al. · 2025 · Journal of Crohn's & colitis

Background and aims Tyrosine kinase 2 is a downstream intracellular mediator of interleukin-23 signaling, which has a key role in the pathogenesis of inflammatory bowel disease. Deucravacitinib is a novel, oral, selective, allosteric…

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Negative / Null Result ReportMedicine

Zuranolone in Major Depressive Disorder: Results From MOUNTAIN-A Phase 3, Multicenter, Double-Blind, Randomized, Placebo-Controlled Trial.

Clayton AH, Lasser R, Nandy I et al. · 2023 · The Journal of clinical psychiatry

Objective: To evaluate the efficacy and safety of zuranolone, an investigational neuroactive steroid and GABA A receptor positive allosteric modulator, in major depressive disorder (MDD). Methods: The phase 3, double-blind, randomized,…

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Negative / Null Result ReportMedicine

Stereotactic radiosurgery versus whole-brain radiotherapy in patients with 4-10 brain metastases: A nonrandomized controlled trial.

Bodensohn R, Kaempfel AL, Boulesteix AL et al. · 2023 · Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

Background and purpose There is no randomized evidence comparing whole-brain radiotherapy (WBRT) and stereotactic radiosurgery (SRS) in the treatment of multiple brain metastases. This prospective nonrandomized controlled single arm trial…

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Negative / Null Result ReportMedicine

Hippocampal Avoidance During Prophylactic Cranial Irradiation for Patients With Small Cell Lung Cancer: Randomized Phase II/III Trial NRG-CC003.

Gondi V, Pugh SL, Mehta MP et al. · 2025 · Journal of clinical oncology : official journal of the American Society of Clinical Oncology

Purpose Hippocampal avoidance (HA) during therapeutic whole-brain radiotherapy reduces the risk of neurocognitive function (NCF) toxicity in patients with brain metastasis. This trial hypothesized that HA during prophylactic cranial…

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Negative / Null Result ReportMedicine

Pharmaceutical-induced behavioural changes in freshwater species and mesocosm insights into potential population-level consequences.

Versteegen E, Wang A, Wang X et al. · 2025 · Aquatic toxicology (Amsterdam, Netherlands)

Pharmaceutical contamination in aquatic environments, particularly from neuroactive drugs like antidepressants, potentially affects the behaviour of non-target organisms due to their effects on conserved neuroendocrine systems. Behavioural…

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Negative / Null Result ReportMedicine

Ruminal degradation kinetics of mombasa and elephant grass silages as affected by fibrolyitc enzymes and regrowth ages.

de Lima Cruz GF, Pereira OG, Alves WS et al. · 2025 · Tropical animal health and production

Tropical grasses are widely used for silage, but their high fiber content and variable quality often limit ruminal degradation and animal performance. Strategies such as optimizing regrowth age (RA) and applying fibrolytic enzymes may help…

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