A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.
19815 results in Negative / Null Result Report · page 164 of 661
Hideyuki Yamamoto, Shotaro Hagiwara, Yuki Kojima et al. · 2011 · Blood
Abstract Abstract 1629 Background: With the widespread use of highly active antiretroviral therapy (HAART), the prognosis of HIV infected subjects has been improved, even if with AIDS-related lymphoma. Burkitt lymphoma progresses very…
Emre Can Çelebioğlu, Mehmet Sadık Bilgiç · 2021 · The Journal of Vascular Access
Background: Nerve blocks have been used for decades at head and neck region interventions and recently introduced as an alternative option for subcutaneous port implantation. This study aimed to compare two different local anesthesia…
Afroz Salman, Biranthabail Dhanashree, Himani Kotian · 2025 · Scientifica
The aim of this research is to investigate the antimicrobial characteristics of bacterial pigments. Pigments are vibrant metabolites generated by bacteria, offering defence against radiation, sunlight, stress and competing microorganisms.…
Ana Gabriela Pérez-Castillo, Weynner Giraldo-Sanclemente, Mayela Monge-Muñoz et al. · 2024 · Frontiers in Agronomy
Urea is widely used as nitrogen (N) source for rice fertilization in Costa Rica, despite its low efficiency linked to ammonia losses. To assess urea management alternatives, two field experiments were conducted in the Central Pacific…
Ashraf Wahba, Khaled Abdelaal, Ayman Yehia et al. · 2022 · Medicina
Background and Objectives: Obstructive sleep apnea (OSA) is a sleep-related respiratory disorder that affects between 5% and 20% of the population. In obstructive sleep apnea, lingual tonsillar hypertrophy (LTH) has been suggested as a…
Jacqueline Lubin, null null, null null et al. · 2020 · John Heinrichs Scholarly & Creative Activities Day
Research has shown there is a positive correlation between self-determination skills and quality of life of college students with autism spectrum disorder (ASD). The purpose of this literature review is to highlight research on…
Gavin Sim, Janet C Read · 2024 · Interacting with Computers
Abstract This study used eye-tracking glasses to better understand how children explore low-fidelity prototypes in the context of user experience studies and to explore the potential of eye tracking in this context. The main research…
Rahul Sampath, Nathan W. Cummins, Andrew D. Badley · 2016 · Journal of Cell Death
HIV cure is now the focus of intense research after Timothy Ray Brown (the Berlin patient) set the precedent of being the first and only person cured. A major barrier to achieving this goal on a meaningful scale is an elimination of the…
Rory D. Cottrell, Tinghong Zhou, John A. Tarduno · 2024 · Scientific Data
Abstract The absence or presence of a lunar paleomagnetosphere is important because it bears directly on the volatile content of the regolith and exploration targets for Artemis and other missions to the Moon. Recent paleointensity study…
Ke Li, Hengbing Guo, Fenglong Sun et al. · 2024 · Journal of Orthopaedic Surgery
Purpose This study aims to compare the mid-term radiographic, clinical results and survivorship between distal tibial tuberosity high tibial osteotomy (DTT-HTO) and conventional biplanar medial open-wedge high tibial osteotomy (cOW-HTO).…
Iván Sánchez-Iglesias, Celia Martín-Aguilar · 2023 · Journal of Clinical Medicine
Clinical trials are the backbone of medical scientific research. However, this experimental strategy has some drawbacks. We focused on two issues: (a) The internal validity ensured by clinical trial procedures does not necessarily allow…
C A Lamb, M Price, M Robinson et al. · 2011 · Gut
Introduction The revised NICE guidance on the use of infliximab and adalimumab for the treatment of Crohn's disease, released in May 2010, has suggested biologics be prescribed as a planned therapy until treatment failure or until…
Hai Yu, Xiaoqi Yu, Chengyou Liu et al. · 2022 · The European Physical Journal Applied Physics
Many methods have been used to reduce the operational energy consumption of ZnO gas-sensitive material effectively. In this paper, different morphologies of ZnO nanomaterials are prepared in the anionic hydrophilic surfactant sodium lauryl…
Juan Botella, Manuel Suero, Juan I. Durán et al. · 2021 · Anales de Psicología
La etiqueta p-hacking (pH) se refiere a un conjunto de prácticas oportunistas destinadas a hacer que sean significativos algunos valores p que deberían ser no significativos. Algunos han argumentado que debemos prevenir y luchar contra el…
Ines Tasya Jadidah, Eby Sania Awalia, Althaafi Abdillah et al. · 2023 · SIGNIFICANT : Journal Of Research And Multidisciplinary
Tujuan penelitian ini dilakukan agar dapat menganalisa kemampuan calon guru dalam mengembangkan media pembelajaran. Penelitian ini menggunakan penelitian kualitatif deskrpitif yang intrumen nya berupa observasi untuk memperoleh suatu…
H Kim, H-C Shin, CK Yom et al. · 2010 · Cancer Research
Abstract Purpose: CYP2D6 variant alleles have been suspected to influence on the clinical efficacy of tamoxifen because CYP2D6 is an enzyme which metabolizes tamoxifen into its active forms, endoxifen and 4-hydroxytomoxifen. This study was…
Borbála A. Lőrincz, Agustina Anson, Stephan Handschuh et al. · 2021 · Acta Veterinaria Hungarica
Abstract Hippocampal changes in epilepsy may manifest as hippocampal atrophy/sclerosis. A recent human study suggests that the demonstration of hippocampal volume loss is more reliable using quantitative evaluation methods. The aim of the…
Benjamin Uzochukwu, Tolib Mirzoev, Chinyere Okeke et al. · 2020 · International Journal of Health Policy and Management
Background: During 2012-2015, the Federal Government of Nigeria launched the Subsidy Reinvestment and Empowerment Programme, a health system strengthening (HSS) programme with a Maternal and Child Health component (Subsidy Reinvestment and…
Edy Wibowo, Naily Ulya, Mamat Rokhmat · 2025 · Physics Education
Abstract Here, we present an inquiry-based, low-cost rolling motion experiment as an alternative to traditional ‘confirm g ‘activities, integrating both confirmatory and inquiry-based elements. Using seven everyday objects—modeled as…
Vinnycius Nunes de Oliveira, Ricardo Borges Viana, João Victor Rosa de Freitas et al. · 2024 · BMC Sports Science, Medicine and Rehabilitation
Abstract This study evaluated the acute effect of the exergame Kinect Sports ® beach volleyball on state anxiety level in adult women. Thirty healthy adult women (age: 21 [4] years, body mass: 54.70 [19.50] kg, height: 1.61 ± 0.05 m, and…
Alexander Esibov, Tyson G Taylor, Sharon B Melnick et al. · 2015 · Circulation
Introduction: Ischemic post-conditioning (IPC) has shown promise in mitigating ischemia-reperfusion injury. Controlled pauses during CPR (CP-CPR) following cardiac arrest (CA) and prolonged downtime may help invoke IPC mechanisms and have…
Alexandra Lenhard, Marie-Pierre Minten, Wolfgang Lenhard · 2023 · Frontiers in Psychology
Introduction In this study, we investigated the impact of age on mate selection preferences in males and females, and explored how the formation and duration of committed relationships depend on the sex of the person making the selection.…
Emiliya Vacheva, Borislav Naumov · 2024 · Historia naturalis bulgarica
The eastern green lizard (Lacerta viridis) is a mostly insectivorous species, based on multiple studies from across its range. However, for Bulgaria the published data of such kind are limited to five publications. We investigated faecal…
Antonella Tammaro, Francesca Magri, Chiara Iacovino et al. · 2019 · Journal of Cosmetic Dermatology
Summary Lichen sclerosus et atrophicus (LSA) is a chronic inflammatory skin disease of unknown etiology. It mainly affects the anogenital area, while the extragenital involvement is uncommon. It manifests as pale, ivory‐colored lesions and…
Ruilin Xiong, Wei Wang, Xianwen Shang et al. · 2023 · Therapeutic Advances in Ophthalmology
Background: Diabetic retinopathy, a common microvascular complication of diabetes mellitus, is one of the leading causes of vision loss worldwide. Although some oral drugs have been suggested to affect the risk of diabetic retinopathy,…
Seung Guk Park, Hyoeun Kim · 2025 · Nutrients
Background/Objectives: The association between vitamin C intake and frailty among older adults remains unclear, and evidence from Asian populations is limited. Using nationally representative data, we aimed to examine whether vitamin C…
Sehoon Park, Yisak Kim, Chung Hee Baek et al. · 2025 · Kidney Research and Clinical Practice
Background: Immunoglobulin A nephropathy (IgAN) is a major cause of end-stage kidney disease (ESKD). The International IgA Nephropathy Prediction Tool (IIgAN-PT) predicts IgAN prognosis, but improvement in the prediction performance using…
Tom Love · 2025 · Research Notes of the AAS
Abstract A recent study found pulsation frequencies in the RR Lyrae star HH Puppis that were identified as gravity modes, and argued that this phenomenon could explain the Blazhko effect in which pulsations of RR Lyrae stars undergo long…
Shaojun Nong, Yangbo Guan, Zhiwei Wang et al. · 2019 · Oncology and Translational Medicine
Abstract Objective Recent studies have shown abnormal expression of octamer-binding transcription factor 4 (OCT4) and interleukin-18 (IL-18) to be related to cancer. However, the molecular mechanisms by which the IL-18 and OCT4 gene…
Chao Zhao, Bing Li, KaiYuan Guo · 2023 · Mathematical Biosciences and Engineering
The recognition of martial arts movements with the aid of computers has become crucial because of the vigorous promotion of martial arts education in schools in China to support the national essence and the inclusion of…