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Browse the failure-mode index

12,251 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

Aerobic Cycling Exercise Training Does Not Improve Impaired Vagal Reactivation in Patients with Chronic Kidney Disease.

Sabino-Carvalho JL, Li S, Mekonnen E et al. · 2025 · Medicine and science in sports and exercise

Purpose Parasympathetic reactivation is essential for the rapid decrease in heart rate following exercise and delayed heart rate recovery (HRR) post-exercise is linked to poor clinical outcomes. Chronic kidney disease (CKD) is associated…

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Negative / Null Result ReportMedicine

Objective Changes in Pelvic Floor Muscle Strength and Length in Women With High-Tone Pelvic Floor Dysfunction After Pelvic Floor Physical Therapy (RELAX Trial).

Volpe LJ, Zugelder M, Kotarinos R et al. · 2023 · Urogynecology (Philadelphia, Pa.)

Importance Although pelvic floor physical therapy (PFPT) is effective in treating high-tone pelvic floor dysfunction (HTPFD), data on the mechanism of improvement are limited. Objectives This study aimed to compare squeeze intravaginal…

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Negative / Null Result ReportOpen accessMedicine

Associations of mid-childhood per- and polyfluoroalkyl substances and early childhood metals with mid-childhood antibody titers.

Smith A, Lin PD, Rifas-Shiman SL et al. · 2026 · Environmental epidemiology (Philadelphia, Pa.)

Background Per- and polyfluoroalkyl substances (PFAS) and nonessential metals impair immune responses, while essential metals promote immune maintenance. We evaluated associations of childhood PFAS and metal mixtures with measles, mumps,…

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Negative / Null Result ReportMedicine

The interplay between ADHD and school shift on educational outcomes in children and adolescents: a cross-sectional and longitudinal analysis.

Porto IM, do Amaral JV, Pacheco JPG et al. · 2025 · European child & adolescent psychiatry

Many countries implement double-shift schooling systems, offering morning or afternoon shifts. Given attention-deficit/hyperactivity disorder (ADHD) is associated with circadian preference for eveningness, this study hypothesised that…

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Negative / Null Result ReportOpen accessMedicine

Relative Hypotension is Not Associated with Rapid Progressor Phenotype in Anterior Circulation Large-Vessel Occlusion Acute Ischaemic Stroke: A Retrospective Cohort Study.

Goh R, Ng F, Bacchi S et al. · 2025 · Cerebrovascular diseases extra

Introduction We aimed to determine whether relative hypotension, defined as a systolic blood pressure (SBP) threshold of 0.318) during anterior circulation large-vessel occlusion (LVO) acute ischaemic stroke (AIS). Methods In a…

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Negative / Null Result ReportOpen accessMedicine

A Comparison of Higher-Level Functional Capacity Between Older Adults with and Without Type 2 Diabetes Mellitus: A Cross-Sectional Study Using Propensity Score Matching.

Shoji T, Kogure K, Toda N et al. · 2025 · Geriatrics (Basel, Switzerland)

Background/Objectives : In Japan, the number of older patients with diabetes mellitus (DM) is rapidly increasing; however, the impact of DM on higher-level functional capacity in this population is unclear. In this study, we aimed to…

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Negative / Null Result ReportMedicine

Effect of insulin on indices of cerebral blood flow and cerebrovascular compliance in young adults.

Shariffi B, Harper JL, McMillan NJ et al. · 2025 · American journal of physiology. Heart and circulatory physiology

Insulin has important vasodilatory effects in the peripheral circulation, but less is known about insulin's role in cerebrovascular control. Herein, we hypothesized both systemic (intravenous) and local (intranasal) insulin administration…

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Negative / Null Result ReportOpen accessMedicine

Enhancing Experience-Dependent Plasticity Accelerates Vision Loss in a Murine Model of Retinitis Pigmentosa.

Attaway CA, Brown TC, McCall MA et al. · 2026 · Investigative ophthalmology & visual science

Purpose Retinitis pigmentosa (RP) causes retinal degeneration and the progressive loss of vision. Here, we evaluated whether enhancing experience-dependent plasticity prolongs vision in a mouse genetic model of autosomal dominant RP.…

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Negative / Null Result ReportOpen accessMedicine

The effects of approach bias modification on smoking cue-reactivity in individuals who smoke: A randomized controlled fMRI study.

Motka F, Tan H, Vollstädt-Klein S et al. · 2026 · Scientific reports

Approach bias modification (ApBM), a computerized training designed to retrain involuntary approach action tendencies toward drug-related cues, has been shown to reduce relapse rates when added to treatment-as-usual (TAU) in alcohol use…

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Negative / Null Result ReportMedicine

The urge to fill the void: Emptiness, impulsivity, and mentalizing in the daily life of individuals with borderline personality disorder.

Sheena-Peer L, Rafaeli E, Berenson KR et al. · 2025 · Personality disorders

Emptiness is central to borderline personality disorder (BPD), significantly impacts quality of life, and is associated with increased impulsivity. Nevertheless, studies of emptiness in daily life are scarce and little is known about…

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Negative / Null Result ReportMedicine

Industry Interactions at Medical Conferences: Representatives' Credentials and the Disclosure of Data Limitations Influence Clinician Perceptions.

O'Donoghue AC, Aikin KJ, Amoozegar JB et al. · 2025 · Journal of the American Board of Family Medicine : JABFM

Purpose Exhibit hall booths at medical conferences are a key avenue for promoting prescription drugs to health care providers (HCPs). Because HCPs spend considerable time interacting with industry representatives at conferences, we…

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