e-ISSN: Pending
WASTE Journal

Browse the failure-mode index

11,325 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 ReportMedicine

Nutritional indicators and fluid self-efficacy among hemodialysis patients in the Qassim region, Saudi Arabia: a multicenter descriptive cross-sectional study.

Elmansy, Elbqry, Qalawa et al. · 2026 · Frontiers in nutrition

Hemodialysis is a life-sustaining renal replacement therapy that removes metabolic waste products normally eliminated by the kidneys. Patients undergoing hemodialysis are required to adhere to strict fluid and dietary restrictions to…

View details →
Negative / Null Result ReportMedicine

Dietary inclusion of black cumin ( Nigella sativa L.) seed meal in broiler chickens: Effects on growth performance, cecal microbiota, and cost efficiency.

Tilahun, Urge, Girma et al. · 2026 · Veterinary and animal science

The current study evaluated the effects of black cumin seed meal (BCSM) on growth performance, cecal microbiota, production efficiency, and cost efficiency in broiler chickens. A total of 144 one-day-old unsexed Cobb 500 broiler chicks…

View details →
Negative / Null Result ReportMedicine

Pre-synchronization with GnRH or hCG enhances fertility outcomes of heat synch protocol in Holstein dairy cows across parities: A pilot study.

Navidifar, Kaveh, Hosseini et al. · 2026 · Veterinary and animal science

Efficient estrus synchronization is important for improving reproductive performance in dairy herds; however, variations in ovarian activity among cows of different parities may influence responses to synchronization protocols. The present…

View details →
Negative / Null Result ReportMedicine

Effect of Chitosan Modification and Support Type on the Catalytic Properties of Supported Palladium Catalysts in Hydrogenation of 2-Propen-1-ol.

Naizabayev, Talgatov, Auyezkhanova et al. · 2026 · Molecules (Basel, Switzerland)

Palladium catalysts modified with chitosan (CS) and supported on MgO, SiO 2 , TiO 2 , and Al 2 O 3 were prepared by a precipitation method and evaluated in the low-temperature hydrogenation of 2-propen-1-ol. Chitosan was first deposited…

View details →
Negative / Null Result ReportMedicine

Optimized Extraction of Medicinal Mushroom Polysaccharides and Their Protective Effects Against 5-Fluorouracil-Induced Gastrointestinal Mucositis.

Dos Santos, Sauruk da Silva, Iacomini et al. · 2026 · Pharmaceuticals (Basel, Switzerland)

Background : Ganoderma lucidum is a medicinal mushroom widely recognized for its high content of bioactive polysaccharides, particularly β-glucans with immunomodulatory properties. This study aimed to optimize polysaccharide…

View details →
Negative / Null Result ReportMedicine

A Randomized Study Evaluating the Effect of Ossein-Hydroxyapatite Complex on the Functional Outcomes of Patients After Conservative Treatment of Distal Radius Fracture.

Zaborska, Sobczak, Kubas et al. · 2026 · Pharmaceuticals (Basel, Switzerland)

Background: Distal radius fractures (DRFs) are the most common upper limb fractures worldwide. The main goal of DRF treatment is to achieve optimal functional outcomes with the lowest complication rate as rapidly as possible. Achieving…

View details →
Negative / Null Result ReportMedicine

Phytochemicals from Agro-Industrial By-Products for Breast Cancer Prevention and Therapy: Molecular Mechanisms and Circular Bioeconomy Perspective.

Maffia, Marra, Battaglia et al. · 2026 · Pharmaceuticals (Basel, Switzerland)

Breast cancer remains one of the most frequently diagnosed malignancies and a leading cause of cancer-related mortality among women worldwide. The growing interest in natural bioactive compounds has highlighted plant-derived phytochemicals…

View details →
Negative / Null Result ReportMedicine

Residual biological surrogate aerosol risk reduction during disrobing litter-bound manikin patients using two dry air treatments for cold regions.

Garner C, Sleeth D, Slagley J et al. · 2026 · American journal of disaster medicine

Objective Determine relative effectiveness of two dry air decontamination methods to reduce residual airborne surrogate biological agent on litter-bound manikin patients during disrobing. Design Fluorescent 1 µm polystyrene latex (PSL)…

View details →
Negative / Null Result ReportMedicine

[Comparison of CNV-seq and chromosomal microarray analyses of abortive tissues].

Fu Y, Liu J, Sun H et al. · 2026 · Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics

Objective To compare the performance of copy number variation sequencing (CNV-seq) and chromosomal microarray analysis (CMA) for the analysis of abortive tissues. Methods Tissue samples were collected from 396 patients with missed abortion…

View details →
Negative / Null Result ReportOpen accessMedicine

Perception of the patient safety culture among healthcare workers.

Ibrahim MG, Hassan MH, Lotfy AMM · 2026 · BMC health services research

Background Patient safety culture (PSC) is a key determinant of care quality, influencing clinical outcomes, staff functioning, and the resiliency of organizations. While PSC has evolved globally, it remains established in developing…

View details →
Negative / Null Result ReportMedicine

Comparison of Super Mini Percutaneous Nephrolithotomy (smPCNL) and Extracorporeal Shock Wave Lithotripsy (ESWL) in Pediatric 1-2 cm Kidney Stones: A Single-Center Retrospective Controlled Study.

Sevim M, Demir M, Eryılmaz R et al. · 2026 · Urology journal

Purpose To compare outcomes of super mini percutaneous nephrolithotomy (smPCNL) with extracorporeal shock wave lithotripsy (ESWL) for stones 1-2 cm. Materials and methods After receiving ethics committee approval for this study (Date:…

View details →
Negative / Null Result ReportOpen accessMedicine

Effects of Different Carbohydrate Level Diets on Growth Performance and Glycometabolism in Mandarin Fish (<i>Siniperca chuatsi</i>) Under Saline-Alkali Stresses.

Kong Y, Fan J, Li Y et al. · 2026 · Aquaculture nutrition

Saline-alkali cultivation is a crucial approach to alleviate the fresh water crisis. However, prolonged saline-alkali stresses might bring adverse effects on fish growth, health, and even death. This study evaluated the effects of…

View details →
Negative / Null Result ReportMedicine

Consistency and Objectivity in Assignment Evaluation in Dental Education: A Comparison of Different Assessment Methods.

Yiğit E, Atsü S · 2026 · European journal of dental education : official journal of the Association for Dental Education in Europe

Objective This study examines differences in scores assigned to dental students' assignments when evaluated by two instructors and compares assessments conducted with a structured preclinical assessment form versus those without one.…

View details →
Negative / Null Result ReportOpen accessMedicine

Effects of water and fertilizer coupling on growth and development of Chinese dwarf cherry (<i>Cerasus humilis</i>) and evaluation of water and fertilizer use efficiency.

Liu S, Li Z, Chen S et al. · 2026 · Frontiers in plant science

Introduction In recent years, the demand for high-nutrition fruits has increased. As a unique fruit tree in China, Cerasus humilis has both ecological and nutritional value. Water and fertilizer nutrition is closely related to plant growth…

View details →
Negative / Null Result ReportOpen accessMedicine

Mechanical Tuning of the Cell Microenvironment Using a Biomimetic Hydrogel System for Articular Cartilage Tissue Engineering.

van Mourik M, Spierings J, Koca P et al. · 2026 · Journal of tissue engineering and regenerative medicine

Providing a functional pericellular matrix (PCM) by fine-tuning the microenvironment of the articular chondrocytes (ACs) can greatly improve the outcomes of articular cartilage tissue engineering. While harvesting ACs with their PCM…

View details →
Negative / Null Result ReportOpen accessMedicine

Long-Term Outcomes of Combined Phacoemulsification and Non-Penetrating Deep Sclerectomy versus Standalone Non-Penetrating Deep Sclerectomy.

Safadi K, Gutierrez Vargas GA, Cnaany Y et al. · 2026 · Clinical ophthalmology (Auckland, N.Z.)

Purpose To compare the efficacy and safety of combined phacoemulsification and non-penetrating deep sclerectomy (Phaco-NPDS) with standalone NPDS in a large glaucoma cohort with long-term follow-up. Methods This retrospective cohort study…

View details →
Negative / Null Result ReportOpen accessMedicine

Vonoprazan as an adjuvant to cisplatin: enhancing antitumor efficacy while mitigating nephrotoxicity and gastrointestinal adverse effects.

Alenezi FN, Abdelmageed ME, Nader MA et al. · 2026 · Frontiers in pharmacology

Background/objective Cisplatin is a popular platinum-containing chemotherapeutic agent that has been used clinically since the 1970s to manage a wide range of hematologic and solid tumors. However, its therapeutic purpose is restricted by…

View details →
Negative / Null Result ReportOpen accessMedicine

Effects of 3',4'-dihydroxyflavonol treatment on Neu N and BDNF and ICAM levels in the striatum of rats subjected to transient bilateral carotid occlusion-induced ischemia-reperfusion.

Hoşgör M, Uzdil EK, Aladag T et al. · 2026 · Journal of bioenergetics and biomembranes

Cerebral infarction is a leading cause of severe long-term disability and functional and cognitive impairment. With the advancement of acute stroke treatment, more patients are now experiencing stroke with varying degrees of impairment.…

View details →