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20,253 real negative results, null findings, and replication failures · 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 ReportOpen access

Post-exercise ketone supplementation improves endurance performance, but not cardiac function during an 8-week training intervention

Y. Bekhuis, R. Robberechts, T. Rosseel et al. · 2024 · European Journal of Preventive Cardiology

Post-exercise ketone supplementation (PEKS) is commonly used in endurance athletes to alleviate overtraining symptoms and to stimulate recovery. The introduction of PEKS can blunt the development of symptoms associated with overtraining,…

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Negative / Null Result ReportOpen accessMedicine

The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis

Liana Chaharmahali, F. Gandomi, A. Yalfani et al. · 2021 · Journal of Orthopaedic Surgery and Research

Background Giving way and knee instability are common problems in patients with knee osteoarthritis, disrupting the daily activities and balance of the affected individual. The present study aimed to evaluate the postural control status of…

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Negative / Null Result ReportOpen accessMedicine

Differing natural killer cell, T cell and antibody profiles in antiretroviral-naive HIV-1 viraemic controllers with and without protective HLA alleles

A. Moyano, Bongiwe Ndlovu, Msizi Mbele et al. · 2023 · PLoS ONE

Previous work suggests that HIV controllers with protective human leukocyte antigen class I alleles (VC+) possess a high breadth of Gag-specific CD8+ T cell responses, while controllers without protective alleles (VC-) have a different…

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Negative / Null Result ReportOpen accessMedicine

Minimally Invasive Approaches Versus Conventional Sternotomy for Aortic Valve Replacement: A Propensity Score Matching Study

J. Bang, Jong Wook Kim, J. Lee et al. · 2012 · The Korean journal of thoracic and cardiovascular surgery

Background The aim of this study is to evaluate our institutional results of the aortic valve replacement through minimally invasive approaches compared with conventional sternotomy. Materials and Methods From August 1997 to July 2010, 838…

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Negative / Null Result ReportMedicine

The influence of lesion type and lesion location on the prediction of language laterality in patients with cerebral vascular malformations using functional MRI.

Rossmann J, Hense K, Knott M et al. · 2026 · Journal of neurosurgery

Objective Predicting language lateralization using functional MRI (fMRI) in patients with cerebral vascular malformations close to language areas is essential for treatment decision-making and patient outcomes. Functional MRI-based…

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Negative / Null Result ReportOpen accessMedicine

Comparable improvements in selective, but not sustained, attention in response to a multi-ingredient nootropic formulation when compared with caffeine.

Hearris MA, Langan-Evans C, Foo WL et al. · 2026 · European journal of nutrition

PURPOSE: The ergogenic effects of caffeine on cognitive performance are largely restricted to improved alertness and enhanced attention and do not typically extend to other cognitive domains. In contrast, plant extracts and phytochemicals…

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Negative / Null Result ReportMedicine

Retrospective Analysis of Dronedarone Versus Amiodarone on Outcomes Following Radiofrequency Ablation for Atrial Fibrillation.

Shi Y, Shi X, Li H et al. · 2026 · British journal of hospital medicine (London, England : 2005)

Aims/background Pharmacological therapy can enhance the therapeutic efficacy of radiofrequency ablation (RFA) for atrial fibrillation (AF) and reduce the risk of recurrence. Dronedarone and amiodarone are two commonly prescribed adjuvant…

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Negative / Null Result ReportMedicine

Similar water uptake depths in lianas and trees, but divergent functional trait coordination across organs in a seasonally dry tropical forest in Cambodia.

Hiiragi K, Sopheak T, Sophors C et al. · 2026 · Tree physiology

Although previous studies have suggested that lianas exhibit superior growth compared with trees during dry seasons, their strategies for acquiring water remain poorly understood. This study investigated the water uptake depth and…

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Negative / Null Result ReportOpen accessMedicine

Impact of Junior Physicians' Resignation on Palliative Sedation Practices: A Retrospective Single-Center Study in South Korea.

Hong M, Lee SW, Jung M · 2026 · Journal of hospice and palliative care

Purpose This study aimed to evaluate changes in the proportion of patients receiving palliative sedation (PS) before and after the mass resignation of junior physicians in South Korea. Methods This single-center retrospective chart review…

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Negative / Null Result ReportOpen accessMedicine

Can Lactate Values Predict Postoperative Atrial Fibrillation Following Coronary Artery Bypass Graft Surgery? A Prospective Observational Study.

Temiztürk Z, Beyazal OF, Topçu AC et al. · 2026 · Brazilian journal of cardiovascular surgery

Introduction The aim of our study is to investigate the relationship and predictive significance of routinely measured serum lactate values with postoperative atrial fibrillation (POAF) in patients following isolated coronary artery bypass…

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Negative / Null Result ReportMedicine

Computed tomography based distal femoral morphology and comparative multi-implant total knee replacement fit analysis in a South East London population.

Eveson TE, Davis TP, Tindall AJ · 2026 · Journal of orthopaedics

Background Accurate medio-lateral sizing of the distal femur during total knee replacement (TKR) is essential to optimise implant fit and avoid over- or under-hang, which have been associated with suboptimal outcomes. National guidance…

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