11,416 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.
Noël A, Picard L · 2025 · Emotion (Washington, D.C.)
Numerous studies have highlighted the beneficial effect of humor on memory in younger adults. While older adults are known to preferentially process positive information and appreciate humor, no study has investigated whether the effect of…
View details →Wei Y, Meade ML, Soderstrom NC · 2025 · Memory (Hove, England)
The present study replicated and extended prior research by comparing the effects of reviewing notes in groups vs. reviewing notes individually on individual final test performance. We also examined the potential interaction between…
View details →Silva AT, Ferreira NM, Vaz F et al. · 2025 · Journal of biomechanical engineering
Pelvic organ prolapse (POP) is a common pelvic floor disorder resulting from weakened supportive muscles and ligaments. Although the demand for surgeries involving surgical meshes is expected to increase, current options remain limited. In…
View details →Wang C, Ren J, Cui Y et al. · 2025 · Journal of Applied Ecology.
Grassland carbon storage depends on microbial‐mediated interactions between grazing and nitrogen (N) addition, which regulates the balance between soil organic carbon (SOC) retention and priming effects. However, uncertainties regarding…
View details →Panopoulos S, Poulia V, Vlachogiannis N et al. · 2026 · Rheumatology international
Randomized trials have demonstrated that nintedanib is beneficial for Systemic Sclerosis-associated interstitial lung disease (SSc-ILD) with an acceptable safety profile. We evaluated the long-term safety and efficacy of nintedanib in a…
View details →Cai Y, Ren X, Ding C · 2026 · Intensive & critical care nursing
Objectives To assess the effects of various non-pharmacological interventions on long-term outcomes associated with Post-Intensive Care Syndrome (PICS) in intensive care unit (ICU) survivors, based on existing systematic reviews and…
View details →Pietersen LC, Broekman N, Broekman N et al. · 2025 · Clinical transplantation
Acute kidney injury (AKI) is a common complication following liver transplantation (LT), with multifactorial etiology. It is believed that perioperative hemodynamic instability could lead to AKI. A temporary portocaval shunt (TPCS) could…
View details →Drost M, Fuhrmann G · 2026 · ACS infectious diseases
Pseudomonas aeruginosa is a notorious bacterial pathogen causing chronic pulmonary infections in people with cystic fibrosis (CF) due to its high tolerance to antibiotics and ability to form recalcitrant biofilms. A newer approach to…
View details →Cheng J, Li F, Zhang B et al. · 2025 · Bulletin of experimental biology and medicine
We compared the therapeutic effects of dietary adjustment and fish oil in rats with experimental non-alcoholic fatty liver disease (NAFLD) induced by high-fat diet. The NAFLD rats were either maintained on high-fat diet, or transferred…
View details →Clarke JG, Dutta N, Nickel MS et al. · 2026 · ACS medicinal chemistry letters
Semisynthetic modification of mycothiazole ( 1 ) with Meerwein's salt to generate a more stable and/or potent analog than 8- O -acetylmycothiazole ( 2 ) unexpectedly yielded diastereomers devoid of the diene. Analysis of NMR, HR-LCMS, and…
View details →Doneddu PE, Collet-Vidiella R, Gallo C et al. · 2026 · Journal of the peripheral nervous system : JPNS
Background and aims Rituximab has been proposed as a potential treatment in chronic inflammatory demyelinating polyradiculoneuropathy (CIDP), but formal evidence regarding its clinical effectiveness is weak. The CIDPRIT trial found no…
View details →Tajika A, Toyomoto R, Sakata M et al. · 2026 · BMJ mental health
Background Depression is a leading cause of global disability, and subthreshold cases contribute substantially to the burden. Cognitive behavioural therapy (CBT) is effective for depressive symptoms, but its impact on social functioning in…
View details →Miletić M, Kovač V, Barišić L et al. · 2025 · Pharmaceutics
Background/Objectives : Resveratrol (RSV) and curcumin (CRC) have antioxidant, anti-inflammatory, photoprotective, and cell-repairing properties. We selected them to investigate the potential role involved in human keratinocyte protection.…
View details →Charles AL, Tetsi L, Quiring G et al. · 2026 · Muscles (Basel, Switzerland)
Peripheral arterial disease is a leading cause of amputation and/or death worldwide. Phosphodiesterase 4 (PDE 4) inhibitors demonstrated beneficial effects in ischemia-reperfusion (IR) settings, but whether PDE 4 inhibition protects…
View details →Li J, Yang C, Li K · 2026 · BMC pregnancy and childbirth
BACKGROUND: Restricted gestational weight gain (GWG) following lifestyle interventions for gestational diabetes mellitus (GDM) has been observed in clinical trials but not been explicitly confirmed in real-world clinical settings.…
View details →Stanley M, Huang K, Garlich J et al. · 2025 · Journal of orthopaedic trauma
Objectives To compare time, fluoroscopic utilization, and number of misses for placement of far interlocking screws in tibial and femoral nails using a targeting arm (Targeter) versus perfect circle technique (Control). Methods . Design…
View details →Gewiss C, Gehrdau K, Hischke S et al. · 2025 · Journal of wound care
Objective The application of cold atmospheric plasma (CAP) has been described as a promising therapeutic approach for wound healing. Its use in immunologically mediated wounds such as pyoderma gangrenosum (PG) has not yet been sufficiently…
View details →Avetisian H, Mathew K, Myers A et al. · 2026 · Global spine journal
Study DesignCross-sectional.ObjectivesLaminoplasty (LP) and laminectomy with fusion (LF) are surgical approaches for degenerative cervical myelopathy (DCM), but their comparative effectiveness remains controversial. Systematic reviews and…
View details →Lee J, Sun J, Lee HW · 2025 · Annals of the American Thoracic Society
Rationale: In patients with lung cancer, the impact of chronic obstructive pulmonary disease (COPD) diagnosis and subsequent management on mortality remains uncertain, because evidence supporting the efficacy of inhaled therapies in…
View details →Tamber MS, Jensen H, Reeder R et al. · 2025 · Journal of neurosurgery. Pediatrics
Objective The Hydrocephalus Clinical Research Network-Quality (HCRNq) was established to encourage adoption of evidence-based best practices for the care of children with hydrocephalus. A shunt infection prevention initiative is ongoing…
View details →Pearson AC, Yampolsky LY · 2025 · Biogerontology
NAD + homeostasis is an important determinant of lifespan and may be a key mechanism of caloric restriction (CR) expansion of lifespan. Ketone bodies such as beta-hydroxybutyrate (BHB) that regulate NAD + abundance and NAD + precursors…
View details →Valiensi SM, Vera VA, Folgueira AL et al. · 2025 · Brain sciences
Background . Although melatonin is widely used in Sleep Medicine for its chronobiological action, its potent antioxidant and mitochondrial regulatory effects, as well as its immunomodulatory and anti-inflammatory functions, make it of…
View details →El Hajjaji A, Akasbi N, El Mezouar I et al. · 2025 · Cureus
Introduction Knee osteoarthritis (KO) is a major public health issue, that significantly affects patients' quality of life. Metabolic comorbidities, particularly dyslipidemia, have been shown to influence the incidence and progression of…
View details →de Souza EDF, E Silva LO, Vieira LM et al. · 2026 · Theriogenology
The aim was to evaluate the effects of administering long-acting injectable progesterone (iP4) and/or hCG 3 days after timed artificial insemination (TAI) on luteal dynamics, circulating progesterone (P4) concentrations, and fertility…
View details →Lindhard K, Hansen HP, Gliese K et al. · 2026 · The journal of vascular access
Introduction Improved arteriovenous fistula (AVF) maturation is crucial for reducing the dependency on central venous catheters in patients undergoing hemodialysis (HD). Far-infrared radiation (FIR) is a treatment modality that may enhance…
View details →Kwieciński M, Kwiatkowski B, Ziomek W et al. · 2026 · Molecular biology reports
Despite major advances in medicine, cancer treatment remains a considerable challenge. The rising incidence of new cases and the frequent resistance to cytostatics suggest that standard therapies may be insufficient. This highlights the…
View details →Harcęko-Zielińska E, Górska A, Romantowski J et al. · 2025 · Journal of asthma and allergy
Background The influence of intestinal microorganisms on the development and course of allergic diseases has recently been the subject of intensive research, but studies describing changes in the intestinal microbiome of asthma patients in…
View details →Toraño P, Balmaseda A, Bordons A et al. · 2025 · Food microbiology
Oenococcus oeni is the main species of lactic acid bacteria (LAB) responsible for malolactic fermentation (MLF) in winemaking. MLF development can present difficulties because of the harsh, stressful conditions of wine. Yeast mannoproteins…
View details →Roberts E, Francesconi M, Flouri E · 2025 · Stress (Amsterdam, Netherlands)
Prenatal stress has been associated with poor cognitive outcomes in offspring, but the evidence about the role of exact timing of exposure is mixed and that about causal mechanisms is limited. Using the Avon Longitudinal Study of Parents…
View details →Pec J, Nigl M, Fox H et al. · 2026 · Journal of cardiovascular development and disease
(1) Background: Early treatment of sleep-disordered breathing (SDB) with adaptive servo-ventilation (ASV) after acute myocardial infarction (AMI) has been shown to improve myocardial salvage. This analysis evaluates nocturnal…
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