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Browse the failure-mode index

20,217 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 Report

0.1% ropivacaine combined with a lower sufentanil concentration for epidural analgesia does not increase breakthrough pain in the latent phase of labor: a double-blind, randomized, controlled, non-inferiority trial

Zhang X, Shen T, Ye S et al. · 2026 · Preprint

Objective: : To investigate the effect of 0.1% ropivacaine with a lower concentration sufentanil for epidural analgesia during the latent phase of labor. Design: : Double-blind, randomized, controlled, non-inferiority trial. Setting: : A…

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Negative / Null Result ReportMedicine

Do congenital heart diseases or chromosomal anomalies influence the surgical outcomes of esophagocoloplasty in esophageal atresia patients?

Tannuri ACA, Abe Takahasi BN, de Almeida Estrambk G et al. · 2026 · Journal of pediatric surgery

Background Esophageal atresia (EA) is frequently associated with congenital heart disease (CHD) and chromosomal anomalies, mainly Down syndrome (DS). While these conditions affect outcomes following primary repair, their specific impact on…

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Negative / Null Result ReportMedicine

Application of quinoa oil emulsions in fresh goat cheese: effects on lipid profile, technological properties and microstructure.

Muñoz-Tebar N, Lucas-González R, Muñoz-Bas C et al. · 2026 · Food chemistry

This study investigates the use of quinoa oil emulsion as a novel plant-based ingredient to improve the nutritional quality of fresh goat cheese. Quinoa oil emulsions (3 and 6 g/L) were characterized and incorporated in fresh cheese. The…

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Negative / Null Result ReportMedicine

GnRH Administration Increases Synchronisation of Ovulation in Mares.

Cui B, Liu Y, Wu X et al. · 2026 · Reproduction in domestic animals = Zuchthygiene

The objective of this study was to evaluate the effects of exogenous GnRH administration at the beginning of estrus synchronisation in mares during the spring transitional period. Estrus was synchronised using a progesterone releasing…

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Negative / Null Result ReportMedicine

Physiologic, Psychological, Nutritional, and Rest-Activity Observations During 120 Days of Low-Tech Off-Grid Living in the Baja California Desert: A 2-Participant Field Case Study.

Mauvieux B, Montardy Q, Remilly M et al. · 2026 · Wilderness & environmental medicine

Off-grid low-tech living is increasingly proposed for arid environments, yet longitudinal field data documenting health, nutrition, and rest-activity organization under real-world conditions remain scarce. Our objective was to describe…

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Negative / Null Result ReportMedicine

A description of self-selected treatments and self-reported improvement following treatment among post-9/11 veterans experiencing disruptive dizziness following a comprehensive traumatic brain injury evaluation.

Cheever K, Kalvesmaki A, Swan AA et al. · 2026 · Brain injury

Background This study aimed to explore what treatments were sought by post-9/11 Veterans with and without a formal diagnosis related to their long-term dizziness following completion of a Comprehensive Traumatic Brain Injury Evaluation…

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Negative / Null Result Report

Recovery of a WWTP fertilizer added with plant growth promoting bacteria (PGPB). Relationship with antibiotic resistance in the "One Health" environment with an oak species: Quercus ilex

Fernández-Pastrana VM, González-Reguero D, Robas-Mora M et al. · 2026 · Preprint

Abstract Soil degradation is a critical problem in Spain, aggravated by intensive agricultural practices, urbanisation and natural phenomena such as forest fires. This study addresses soil regeneration through the valorisation of waste…

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Negative / Null Result Report

Effects of Covid 19 Pandemic on Peg

Çetin DD, Ölmez Ş, Sarıtaş B et al. · 2026 · Preprint

Abstract Background Percutaneous endoscopic gastrostomy (PEG) is the preferred method for long-term enteral nutritional support in patients unable to maintain adequate oral intake. PEG candidates often present with multiple comorbidities…

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Negative / Null Result ReportMedicine

Glyphosate exposure did not increase the risk of UVR-induced skin tumors in hairless mice.

Lerche CM, Granborg JR, Al-Chaer RN et al. · 2025 · Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology

Glyphosate (GLY) is the most widely used pesticide in the world. Agricultural workers are exposed to GLY via ingestion and skin contact. GLY may generate epigenetic changes that might be carcinogenic. However, whether GLY is carcinogenic…

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Negative / Null Result ReportMedicine

Do intraoperative calcar fractures increase early complications or revisions in short stem total hip arthroplasty? A propensity score matching study.

Suksathien Y, Suarjui J, Tippimanchai T et al. · 2026 · International orthopaedics

Purpose Intraoperative calcar fracture (IOCF) can compromise initial stability, leading to stem subsidence and instability. We aimed to compare 2-year complications and revision rates between patients who sustained IOCF and matched…

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Negative / Null Result ReportMedicine

Perioperative risk factors predicting CSF leak and retethering following tethered cord release for complex spinal lipomas.

Chesney KM, McAbee JH, Balu A et al. · 2026 · Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery

Purpose Tethered cord release (TCR) is typically well tolerated in children, but cerebrospinal fluid (CSF) leaks can occur postoperatively, with rates as high as 33%. The aim of this study was to determine perioperative risk factors…

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Negative / Null Result ReportMedicine

Pregnancy outcomes of gestational diabetes mellitus treated before versus after 24 weeks: A comparison of Carpenter-Coustan and IADPSG criteria.

Gorsagun S, Pruksanusak N, Geater AF · 2026 · International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics

Objective To compare pregnancy outcomes between early and standard treatment of gestational diabetes mellitus (GDM) diagnosed using the Carpenter-Coustan criteria and to assess the impact of applying the International Association of…

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