e-ISSN: Pending

Browse the failure-mode index

11,310 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 ReportOpen accessMedicine

The relationship between diet quality index (DQI) with inflammatory indices and body mass index (BMI) in inflammatory bowel disease (IBD) patients.

Karimi P, Ramezani E, Daryani NE et al. · 2025 · Scientific reports

Background Inflammatory bowel disease (IBD) is a complex and chronic condition of the gastrointestinal tract. Diet is a significant factor influencing the onset and course of IBD. The Diet Quality Index (DQI) is an essential tool for…

View details →
Negative / Null Result ReportMedicine

Physical Activity and Exergame Interest Among Adolescents with Probable Developmental Coordination Disorder: Potential to Shift Toward Active Play.

Temlali TY, Lust JM, Valtr L et al. · 2026 · Physical & occupational therapy in pediatrics

Aims This study examined physical activity levels, video gaming habits, and interest in using exergames among adolescents with probable developmental coordination disorder (p-DCD). It also explored relationships between physical activity,…

View details →
Negative / Null Result ReportMedicine

Cloning-based analysis of MHC class II DRB variation and Enterocytozoon bieneusi association in the Amur tiger (Panthera tigris altaica).

Liu Y, Xu H, Zhang Y et al. · 2026 · Molecular and biochemical parasitology

The polymorphism of major histocompatibility complex (MHC) class II classical genes is closely related to pathogen resistance, among which the second exon of the DRB gene has the highest variability. In this study, we analyzed exon 2 of…

View details →
Negative / Null Result ReportOpen accessMedicine

Real-Time Prediction of Irreversible Lesion Size During Pulsed Field Ablation: Prospective Validation of a Novel Ablation Index Based on Contact Force and Number of Applications in a Swine Beating Heart Model.

Nakagawa H, Farshchi-Heydari S, Sugawara M et al. · 2025 · Circulation. Arrhythmia and electrophysiology

Background In a previous study, on pulsed-field ablation (PFA) in the swine ventricle, we found that lesion depth was described (±1 mm accuracy) by a logarithmic function of contact force (CF) and the number of PFA pulses (PF-ablation…

View details →
Negative / Null Result ReportMedicine

Length of maxillomandibular discrepancy may not predict tongue base airway obstruction severity among infants with Robin Sequence.

Bryton CA, Tingen JN, Scott AR · 2026 · International journal of pediatric otorhinolaryngology

Objective To evaluate the relationship between severity of micrognathia and mandibular distraction distance required to alleviate symptoms among neonates with isolated Robin Sequence (iRS), as measured by frontal nasomental (FNM) angle…

View details →
Negative / Null Result ReportMedicine

An Examination of Buprenorphine and Norbuprenorphine Concentrations in Inpatients Receiving Medications for Opioid Use Disorder.

Haykal M, Li B, Avellaneda Ojeda A et al. · 2026 · The journal of applied laboratory medicine

Background Interpretation of urine buprenorphine and norbuprenorphine concentrations is widely used to assess adherence during treatment for opioid use disorder. However, the relationships between dose, timing of sample collection, and…

View details →
Negative / Null Result ReportOpen accessMedicine

Per- and polyfluoroalkyl substances (PFAS) and heavy metals in the egg of peregrine falcon (Falco peregrinus) populations in West England, United Kingdom.

Ozaki S, Chaplow JS, Dodd B et al. · 2026 · Ecotoxicology (London, England)

This study focused on the exposure of a terrestrial raptor, the peregrine falcon (Falco peregrinus), in the United Kingdom. In contrast to inland areas, peregrine falcons in coastal areas of North Cornwall, South-west England, have…

View details →
Negative / Null Result ReportMedicine

Effect of silver diamine fluoride and potassium iodide pretreatment on microleakage, penetration depth, and color changes of fissure sealants: an in vitro study.

Cömert H, Çege EE · 2026 · BMC oral health

Background This in vitro study aimed to evaluate and compare the effects of SDF- and SDF + KI-based pretreatment protocols, with or without NaOCl surface preparation, on microleakage, discoloration, and fissure sealant penetration depth in…

View details →
Negative / Null Result ReportOpen accessMedicine

Examination of the Diameter of the Rectum and the Thickness of the Anterior Wall of the Rectum by Ultrasound in Children With Chronic Constipation and Abdominal Pain in the Age Range of 2-18 Years.

Aldaghi MA, Yazdi NS, Abadi MEA et al. · 2025 · JGH open : an open access journal of gastroenterology and hepatology

Abdominal pain is one of the most common complaints to the pediatric clinic and can be challenging for the physician. Among children who present with abdominal pain, constipation is one of the main causes of abdominal pain, and its…

View details →
Negative / Null Result ReportMedicine

Evaluating the Influence of Injury-Induced Microstructural Variations on the Efficacy of a Diffusion MRI-Derived Axon Diameter Surrogate.

Alderson HE, Mu C, Chen LM et al. · 2026 · Magnetic resonance in medicine

Purpose To investigate the utility of a recently demonstrated diffusion MRI derived axon diameter surrogate measure (∆D ⟂ ) under pathologic conditions induced by a spinal cord injury model. Methods Contusion injuries were performed on the…

View details →