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19,854 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 accessMedicine

Manual and automated assessments of general movements in neonates are associated with early autism risk at 18 months.

Beaulieu A, Saint-Georges C, Hagbarth I et al. · 2026 · Scientific reports

General movements (GMs) refer to infants’ spontaneous motor activities before the emergence of voluntary motor activity. Abnormal GMs in neonates have been regarded as a marker of poor neurodevelopmental outcomes, with preliminary findings…

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Negative / Null Result ReportOpen accessMedicine

Discontinuing the recommendation of hip precautions does not increase the risk of early dislocation after primary total hip arthroplasty using 36-mm heads: a population-based study from the Danish Hip Arthroplasty Register.

Iljazi A, Sørensen MS, Winther-Jensen M et al. · 2024 · Acta orthopaedica

Background and purpose Dislocation is a severe complication following total hip arthroplasty (THA). Hip precautions have been recommended in the initial postoperative period but evidence supporting this practice is limited. We therefore…

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Negative / Null Result ReportMedicine

High Prevalence and Clinical Relevance of Intrapulmonary Vascular Dilatations in Patients Undergoing TIPS Implantation.

Mauz JB, Rieland H, Berliner D et al. · 2024 · Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

Background & aims Considerate patient selection is vital to ensure the best possible outcomes after transjugular intrahepatic portosystemic shunt (TIPS) insertion. However, data regarding the impact of intrapulmonary vascular dilatations…

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Negative / Null Result ReportOpen accessMedicine

Investigation of Potential Cross-Protection Conferred by the Seasonal Influenza Vaccine Against Swine Influenza A Viruses of Pandemic Potential.

Lilley A, Chiapponi C, Prosperi A et al. · 2026 · Vaccines

Background/Objectives : Influenza A viruses cause seasonal epidemics of respiratory infections in humans, the severity of which can be mitigated by influenza vaccine use. Influenza A viruses circulating in pigs continue to pose a pandemic…

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Negative / Null Result ReportOpen accessMedicine

Semaglutide use before single-level lumbar fusion associated with fewer readmissions and 90-day costs.

Ng MK, Mastrokostas PG, Rodriguez AN et al. · 2025 · Journal of craniovertebral junction & spine

Context Semaglutide, a glucagon-like protein-1 receptor agonist used in diabetes and obesity management, has demonstrated perioperative benefits in other surgical populations. However, its role in spine surgery remains unclear. Aims This…

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Negative / Null Result ReportOpen accessMedicine

The brief pain inventory-Interference Subscale has acceptable reliability but questionable validity in acute back and neck pain populations.

Jones CMP, Lin CC, Zadro J et al. · 2024 · Brazilian journal of physical therapy

Background The Brief Pain Inventory-Interference Subscale (BPI-IS) is a subscale of the BPI assessment tool developed to rapidly assess the impact of a person's pain on their function. It is uncertain whether it has one or two factors, and…

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Negative / Null Result ReportOpen accessMedicine

Comparison of Pharmacokinetic/Pharmacodynamic Parameters and Clinical Outcomes of Vancomycin Administered in Two Different Dosage Regimens in Patients with Acute Kidney Injury.

Soufi R, Salamzadeh J, Alavi Darazam I et al. · 2025 · Iranian journal of pharmaceutical research : IJPR

Background Vancomycin is commonly used in intensive care units (ICUs), but its optimal dosage in patients with acute kidney injury (AKI) remains uncertain. This study aimed to evaluate vancomycin's pharmacokinetic and pharmacodynamic…

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Negative / Null Result ReportOpen accessMedicine

Cognitive and Behavioral Effects of Levetiracetam in Juvenile Rats.

Ullal SD, Thomas AG, Acharya SD et al. · 2026 · Pharmacology research & perspectives

Epilepsy is a common neurologic disorder; its incidence in childhood is 2.5 per 1000 children. Levetiracetam (LEV) is an antiepileptic drug with a broad spectrum of action used in localized and generalized epilepsies in both adults and…

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Negative / Null Result ReportOpen accessMedicine

Elevated Carcinoembryonic Antigen Levels Predict Failure to Reach Surgery in Patients with Borderline Resectable Pancreatic Cancer Referred to Neoadjuvant Therapy.

Jacover A, Beller T, Mahamid N et al. · 2025 · Annals of surgical oncology

Introduction Neoadjuvant therapy (NT) is generally preferred over upfront surgery for borderline resectable pancreatic ductal adenocarcinoma (BR-PDAC), but many patients fail to reach surgical resection. This study evaluates real-world…

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Negative / Null Result ReportOpen accessMedicine

Efficacy and Safety of a Novel Rotatable Sphincterotome for Endoscopic Sphincterotomy in Patients With Roux-en-Y Gastrectomy During Balloon Enteroscopy-Assisted ERCP (With Video).

Tanisaka Y, Ryozawa S, Mizuide M et al. · 2025 · Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society

Endoscopic sphincterotomy (EST) is challenging for patients with surgically altered anatomy (SAA). The blades of conventional sphincterotomes designed for SAA do not always face the correct direction of EST. We aimed to evaluate the…

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Negative / Null Result ReportMedicine

The effect of dairy products on liver fat and metabolic risk markers in males with abdominal obesity - a four-arm randomized controlled trial.

Sandby K, Magkos F, Chabanova E et al. · 2024 · Clinical nutrition (Edinburgh, Scotland)

Background & aims In recent years, epidemiological studies have reported links between the consumption of fermented dairy products, such as yogurt, and health; however, evidence from human intervention trials is scarce and inconsistent. We…

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Negative / Null Result ReportOpen accessMedicine

Serum folate levels and risk of metabolic dysfunction-associated steatotic liver disease: results from a cross-sectional study and Mendelian randomization analysis.

Chen Y, Gao J, Wang X et al. · 2024 · Frontiers in nutrition

Background Evidence from observational studies on the association between folate and metabolic dysfunction-associated steatotic liver disease (MASLD) is conflicting. Aims This study aimed to investigate the association between serum folate…

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Negative / Null Result ReportMedicine

Choriocapillaris and choroidal thickness in all Leber hereditary optic neuropathy stages using swept source technology.

Castillo L, Berrozpe-Villabona C, Miserachs-García S et al. · 2024 · Acta ophthalmologica

Purpose The role of the choroid in Leber hereditary optic neuropathy (LHON) remains unclear. The literature is scarce, with conflicting results and lacks axial length measurements. Therefore, we aimed to analyse the choriocapillaris (CC)…

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Negative / Null Result ReportMedicine

Letter to the Editor Regarding Article "Prior to Initiation of Chemotherapy, Can We Predict Breast Tumor Response? Deep Learning Convolutional Neural Networks Approach Using a Breast MRI Tumor Dataset".

Brunekreef J · 2024 · Journal of imaging informatics in medicine

The cited article reports on a convolutional neural network trained to predict response to neoadjuvant chemotherapy from pre-treatment breast MRI scans. The proposed algorithm attains impressive performance on the test dataset with a mean…

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Negative / Null Result ReportMedicine

The protective effects of hyperoxic pre-treatment in human-derived adipose tissue mesenchymal stem cells against in vitro oxidative stress and a rat model of renal ischaemia-reperfusion.

Ahmadi Somaghian S, Pajouhi N, Dezfoulian O et al. · 2024 · Archives of physiology and biochemistry

Objective Improvement of cell survival is essential for achieving better clinical outcomes in stem cell therapy. We investigated the effects of hyperoxic pre-treatment (HP) on the viability of human adipose stromal stem cells (ASCs).…

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