Negative / Null Result ReportOpen accessMedicine
Kirby C, Baldwin JA, Elwell K et al. · 2026 · Healthcare (Basel, Switzerland)
Background The literature shows inconclusive results from utilizing motivational interviewing (MI) in indigenous populations to address early childhood caries (ECC). Great Beginnings for Healthy Native Smiles (GBHNS) (NIDCR U01DE028508), a…
View details →DOI: 10.3390/healthcare14081059 Negative / Null Result Report
Fan J, Zeng F, Zhong H et al. · 2024 · Preprint
Abstract Cigarette smoking is posited as a potential factor in disrupting the balance of the human gut microbiota. However, existing studies with limited sample size have yielded inconclusive results. Here, we assessed the association…
View details →DOI: 10.21203/rs.3.rs-4274545/v1 Methods Dead-EndMedicine
Reis da Silva T · 2024 · British journal of community nursing
Aim This study reviews research into the effects of the supplementation of B12 in the prevention and recovery of mental illness, and the potentiation of psychotropic medication. Methodology This literature review follows a systematic…
View details →DOI: 10.12968/bjcn.2024.29.3.137 Negative / Null Result ReportOpen accessMedicine
Zhang Y, Baharani J, Ajayi B et al. · 2025 · BMC nephrology
Background Fibrillary glomerulonephritis (FGN) is a rare immune complex-mediated glomerulonephritis characterised by the deposition of anomalous fibrillary structures within the glomeruli. The prognosis for patients with FGN is usually…
View details →DOI: 10.1186/s12882-025-04187-z Negative / Null Result ReportOpen accessMedicine
Gobishangar S, Abiharan P, Jenil A et al. · 2026 · Cureus
Background The appendix is a vermiform structure with a variable position, length, and thickness. Imaging plays a critical role in diagnosing an inflamed appendix, with non-contrast computed tomography (NCCT) being an effective modality…
View details →DOI: 10.7759/cureus.102357 Negative / Null Result ReportMedicine
Bronkhorst H, Kalaykova S, Huysmans MC et al. · 2024 · Journal of dentistry
Objective This study presents a scoping review to determine the association between tooth wear and bruxism. Data A protocol was developed a priori (Open Science Framework (DOI 10.17605/OSF.IO/CS7JX)). Established scoping review methods…
View details →DOI: 10.1016/j.jdent.2024.104983 Negative / Null Result ReportMedicine
Nieminen V, Martikainen MV, Kalliomäki S et al. · 2024 · International journal of radiation biology
Purpose Earlier evidence suggests that extremely low frequency magnetic fields (ELF MFs) can modify the effects of carcinogenic agents. However, the studies conducted so far with ionizing radiation as the co-exposure agent are sparse and…
View details →DOI: 10.1080/09553002.2024.2369105 Negative / Null Result ReportMedicine
Gaviria M, Arave M, Phan N et al. · 2026 · Military medicine
Introduction Peripheral nerve injuries (PNIs) are associated with significant morbidity, and traditional repair techniques often result in incomplete functional recovery. Polyethylene glycol (PEG) fusion has been proposed as a technique to…
View details →DOI: 10.1093/milmed/usag235 Negative / Null Result ReportOpen accessMedicine
McCaughan KJ, Danyluk MD, Kniel KE · 2026 · Applied and environmental microbiology
Tilling under is a method growers employ in an effort to remediate instances of widespread contamination in fields of crops, but its effectiveness with respect to specific pathogens remains poorly understood. This study had two overarching…
View details →DOI: 10.1128/aem.02467-25 Negative / Null Result ReportOpen accessMedicine
Zhang S, Zhang H, Dong X et al. · 2026 · Frontiers in immunology
Background Radical cystectomy remains a standard curative treatment for muscle-invasive bladder cancer (MIBC). Bladder preservation after systemic therapy without immediate surgery remains investigational and requires careful patient…
View details →DOI: 10.3389/fimmu.2026.1866469 Negative / Null Result ReportOpen accessMedicine
Swaine T, Bhagani S · 2026 · Current opinion in HIV and AIDS
Purpose of review Two-drug regimens (2DR) for antiretroviral therapy are increasingly being recommended for people living with HIV to reduce pill burden and reduce short and long-term toxicity. The exclusion of tenofovir and lamivudine or…
View details →DOI: 10.1097/coh.0000000000001016 Negative / Null Result ReportOpen accessMedicine
Nicklas A, Rudari M, Reidow N et al. · 2026 · Plastic and reconstructive surgery. Global open
Background Postoperative wound healing remains a critical challenge, particularly in complex reconstructions such as free flap surgeries. Despite technical improvements, perfusion-related complications may cause partial flap loss.…
View details →DOI: 10.1097/gox.0000000000007662 Negative / Null Result Report
Chen A, Daniels W, Huang Z et al. · 2026 · Preprint
Abstract The U.S. federal government undertook a flurry of new actions to monitor and regulate methane emissions beginning in years 2021 and 2022, including the Inflation Reduction Act (IRA). The IRA and Waste Emissions Charge (WEC)…
View details →DOI: 10.21203/rs.3.rs-9295605/v1 Negative / Null Result ReportOpen accessMedicine
Antaky CC, Leinbach IL, Plissner JH et al. · 2026 · PloS one
The use of rodenticides is a primary method for eradicating rodents from islands for conservation purposes. Rodenticide residue monitoring is often incorporated into rodent eradication project planning to understand the potential effects…
View details →DOI: 10.1371/journal.pone.0344972 Negative / Null Result ReportOpen accessMedicine
Aderibigbe AS · 2026 · Poultry science
Despite increasing attention to broiler welfare, there is still limited information comparing physiological stress responses between fast-growing (FG) and slow-growing (SG) genotypes under evolving production conditions. Investigating this…
View details →DOI: 10.1016/j.psj.2026.107169 Replication FailureMedicine
Bao J, Uchiyama T, Kusunoki K et al. · 2026 · Life (Basel, Switzerland)
N -hydroxypipecolic acid (NHP) is a key mobile signal in systemic acquired resistance in plants, and its glycosylation has been proposed to regulate immune signaling. Previous studies have demonstrated that the UDP-glycosyltransferase…
View details →DOI: 10.3390/life16060992 Failed Experiment ReportMedicine
Mathis S, Putzer G, Schnegg L et al. · 2026 · BMC anesthesiology
Background Intraoperative blood salvage (IBS) reduces exposure to allogeneic blood but is accompanied by concerns in oncologic surgery regarding the potential reinfusion of residual tumor cells and subsequent metastatic dissemination. The…
View details →DOI: 10.1186/s12871-026-03994-7 Methods Dead-EndOpen accessMedicine
Aaby D, Sullivan JE, Carmona C et al. · 2026 · Archives of rehabilitation research and clinical translation
Objectives To quantify the Minimum Detectable Change (MDC) and the Minimal Clinically Important Difference (MCID) of the Box and Blocks Test (BBT) and Upper Extremity Fugl-Meyer Assessment (FMA-UE), and to determine whether there is a BBT…
View details →DOI: 10.1016/j.arrct.2026.100623 Abandoned Hypothesis
Qiu N, Allenmark F, Chen S et al. · 2026 · Preprint
Real-world distractors occur in environments whose states change at different rates. We asked whether such volatility alters early attentional gating or instead changes the criterion for committing to a response. Observers performed an…
View details →DOI: 10.64898/2026.05.08.723763 Replication FailureMedicine
Mansell J, Wang X, Jering KS et al. · 2026 · European journal of heart failure
Sex differences in transthyretin cardiac amyloidosis (ATTR-CM) are increasingly recognised; however, women are underrepresented in trials and sex-specific treatment effects remain incompletely understood. We evaluated sex differences in…
View details →DOI: 10.1093/ejhf/xuag208 Replication FailureOpen accessMedicine
Zhou Y, Zhong Z, Mo H et al. · 2026 · Research and practice in thrombosis and haemostasis
Background Platelet transfusion refractoriness (PTR) is a clinical challenge that can be classified into nonimmunologic and immunologic types, the latter resulting from both platelet alloimmunization and autoimmunity. Recent studies have…
View details →DOI: 10.1016/j.rpth.2026.103395 Replication FailureOpen accessMedicine
O'Connor LM, Singh A, Luallen RJ et al. · 2026 · microPublication biology
Vertically transmitted endosymbionts are microbes that live inside host cells and are transmitted between parent and offspring. Free-living nematodes interact with a wide variety of microbes but no vertically transmitted microbes have been…
View details →DOI: 10.17912/micropub.biology.002151 Negative / Null Result ReportOpen accessMedicine
Popiolek I, Hydzik P, Ciszowski K et al. · 2026 · Journal of clinical medicine
Background/Objectives: Alcohol-related liver disease (ALD) lacks widely adopted biomarkers that reflect disease activity and severity. High-mobility group box 1 (HMGB1), a damage-associated molecular pattern, has been implicated in ALD…
View details →DOI: 10.3390/jcm15093397 Null DatasetMedicine
King DA, Altic N · 2026 · Health physics
Calculating scan minimum detectable concentration (MDC) values using the method in NUREG-1507 can be difficult, often requiring expert knowledge and expensive software. Because of this, many projects rely on example MDC values from…
View details →DOI: 10.1097/hp.0000000000002085 Negative / Null Result ReportOpen accessMedicine
Awadallah M, Singh A, Hale GL et al. · 2026 · Case reports in transplantation
Hepatitis E virus (HEV) infection is an increasingly recognized cause of acute and chronic hepatitis in immunosuppressed individuals, including solid organ transplant recipients. Although typically self-limited in immunocompetent hosts,…
View details →DOI: 10.1155/crit/5573734 Negative / Null Result ReportMedicine
Yoon HJ, Kim GC, Nam SH · 2026 · Pathogens (Basel, Switzerland)
Background Oral candidiasis is an opportunistic infection caused by Candida albicans (C. albicans) , highlighting the need to evaluate candidate substances that ensure both antifungal efficacy and mucosal safety. This study aimed to assess…
View details →DOI: 10.3390/pathogens15060635 Negative / Null Result ReportMedicine
Carretero D, Giménez E, Pérez A et al. · 2026 · Enfermedades infecciosas y microbiologia clinica (English ed.)
Introduction Studies assessing SARS-CoV-2 antibodies and functional T-cell responses in hematological patients following receipt of a three-dose mRNA vaccine schedule have yielded conflicting results. Methods We conducted a retrospective…
View details →DOI: 10.1016/j.eimce.2026.503146 Negative / Null Result ReportMedicine
Chmielewska B, Marzec M, Szarejko I et al. · 2026 · Plant Science.
Root hairs, tubular extensions of the rhizodermal cells, facilitate nutrient uptake, yet their role in water acquisition remains debated and may be species- and soil-specific. To elucidate the genetic basis of root hair development and…
Replication FailureMedicine
Friedman O, Maiershon D, Paniri Y et al. · 2026 · Plastic and reconstructive surgery
Background Hematoma remains a major complication following breast surgery. While tranexamic acid (TXA) efficacy is established in reduction mammaplasty, its utility across other breast procedures remains unclear. Methods This retrospective…
View details →DOI: 10.1097/prs.0000000000013206 Methods Dead-EndMedicine
Varol U, Kobylarz MD, López-Redondo M et al. · 2026 · Journal of clinical medicine
Background/Objectives : Shear wave elastography (SWE) may provide an objective method for quantifying piriformis muscle stiffness, but its clinical and research use requires evidence that the measurement procedure is reliable. This study…
View details →DOI: 10.3390/jcm15124548 