e-ISSN: Pending

Browse the failure-mode index

12,241 real negative results, null findings, and replication failures in Medicine. 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

Mechanisms reducing parasympathetic activity in chronic hypoxia.

Maier LE, Douglas A, Foster K et al. · 2026 · The Journal of physiology

Parasympathetic activity is reduced in chronic hypoxia, but the underlying mechanism(s) are unclear. We investigated whether (i) arterial chemoreflex activation, (ii) increased pulmonary ventilation and/or (iii) pulmonary stretch, (iv)…

View details →
Negative / Null Result ReportMedicine

[Efficacy and safety of ticagrelor versus clopidogrel after percutaneous coronary intervention in patients with acute coronary syndrome without standard modifiable cardiovascular risk factors].

Na K, Qiu MH, Wang ZH et al. · 2026 · Zhonghua xin xue guan bing za zhi

Objective: To evaluate the efficacy and safety of ticagrelor versus clopidogrel in real-world patients with acute coronary syndrome (ACS) without standard modifiable cardiovascular risk factors (SMuRF-less) following percutaneous coronary…

View details →
Negative / Null Result ReportMedicine

Overcoming doramectin failure: field efficacy of pour-on 5% fluralaner and an experimental 1% oral formulation for the prevention of Cochliomyia hominivorax-associated umbilical myiasis in newborn calves.

de Freitas MDB, Rodrigues DC, de Paiva PEM et al. · 2026 · Parasites & vectors

Background Myiasis caused by Cochliomyia hominivorax larvae is a reemerging challenge in the Americas due to the recent reappearance of this species in areas where it had been eradicated and reports of doramectin inefficacy, despite its…

View details →
Negative / Null Result ReportOpen accessMedicine

Cardiovascular pharmacotherapy in 2025.

Tamargo J, Agewall S, Ambrosio G et al. · 2026 · European heart journal. Cardiovascular pharmacotherapy

Despite recent advances in cardiovascular pharmacotherapy, prevention and treatment of many cardiovascular diseases remain limited with a clear need for more effective and safer pharmacological strategies. Here, we summarize the most…

View details →
Negative / Null Result ReportMedicine

Myofilament-level effects of aficamten increase diastolic chamber volumes and maintain cardiac output through preserved length-dependent force generation in healthy rat and canine myocardium.

Sárkány F, Priksz D, Juhász B et al. · 2026 · Basic research in cardiology

Clinical trial experience supports the use of myosin inhibitors in hypertrophic cardiomyopathy (HCM), while early proof-of-concept studies suggest potential benefit in selected patients with heart failure with preserved ejection fraction…

View details →
Negative / Null Result ReportMedicine

Do coexistent overactive bladder symptoms affect the outcome of single-incision sling in women with urodynamic stress incontinence?

Hsieh TH, Liang CC, Liang CY et al. · 2026 · Taiwanese journal of obstetrics & gynecology

Objective To explore whether preoperative overactive bladder (OAB) symptoms affect the outcome of single-incision slings (SIS) for urodynamic stress incontinence (USI). Materials and methods This retrospective study involved 106 patients…

View details →
Negative / Null Result ReportMedicine

Antimicrobial strategies for ureteral stent removal after radical cystectomy: a comparative cohort study.

Mangold MH, Kazmierczak J, Gerigk M et al. · 2026 · European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology

INTRODUCTION: Patients undergoing radical cystectomy (RC) face a heightened risk of infectious complications around the time of ureteral stent removal. This study aimed to determine whether a culture-guided antimicrobial strategy reduces…

View details →
Negative / Null Result ReportMedicine

Single-injection adductor canal block with perineural dexamethasone versus continuous adductor canal catheter for total knee arthroplasty: a randomized controlled trial.

Kim DH, Beathe J, Wetmore DS et al. · 2026 · Regional anesthesia and pain medicine

Background The adductor canal block (ACB), known for its motor-sparing properties, has gained popularity as part of the multimodal analgesic regimen in total knee arthroplasty (TKA) patients. However, the duration of single-injection…

View details →
Negative / Null Result ReportOpen accessMedicine

Combined effects of mesenchymal stromal cells and antibiotic therapy on Enterobacter ventilator-associated pneumonia in rabbits.

Jacquier M, Laroye C, Bensoussan D et al. · 2026 · Respiratory research

Background Although mesenchymal stromal cells (MSCs) have shown promising effects in preclinical pneumonia models, their ability to improve outcomes in ventilator-associated pneumonia (VAP) remains poorly explored, despite VAP being a…

View details →
Negative / Null Result ReportMedicine

Systemic Administration of an Anti-CD18 Antibody Prevents the Accumulation of Peripheral Leukocytes in Pericontusional Tissue, but Does Not Improve Outcome after Traumatic Brain Injury in Mice.

Guo Y, Hu S, Wang Z et al. · 2026 · Journal of neurotrauma

The formation of brain edema is one of the key factors that determine patient outcomes following traumatic brain injury (TBI). Despite decades of research, no causal treatment is available to date. Among the many factors discussed,…

View details →
Negative / Null Result ReportMedicine

Early recurrence after primary TURBT for non-muscle-invasive bladder cancer in Iceland: the critical role of surgical quality.

Björnsson O, Geirsson G, Leifsson ÁS et al. · 2026 · Scandinavian journal of urology

Introduction Transurethral resection of bladder tumor (TURBT) is the standard treatment for non-muscle-invasive bladder cancer (NMIBC), but early recurrences remain frequent. The objective of this study was to standardize TURBT management…

View details →
Negative / Null Result ReportMedicine

Testosterone replacement therapy in older men: skeletal outcomes and fracture risk.

Szarpak L, Al-Jeabory M, Pecold J et al. · 2026 · The aging male : the official journal of the International Society for the Study of the Aging Male

Introduction Testosterone replacement therapy (TRT) is increasingly prescribed to older men with symptomatic testosterone deficiency, yet the balance of musculoskeletal benefits and harms remains uncertain. Objectives To synthesise current…

View details →
Negative / Null Result ReportMedicine

Densiron 68 Tamponade Duration and Redetachment Risk after Removal in Inferior Proliferative Vitreoretinopathy-Associated Retinal Detachment.

Carnevali A, Chisari D, Mancini A et al. · 2026 · Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift fur Augenheilkunde

Introduction Inferior retinal detachment (I-RD) complicated by proliferative vitreoretinopathy (PVR) is challenging to treat and prone to recurrence (retinal detachment recurrence [RDR]). Heavy silicone oil (HSO) tamponades such as…

View details →
Negative / Null Result ReportMedicine

Original research: surfactant administration using less invasive surfactant administration (LISA) versus enhanced intubate-surfactant-extubate (ENSURE) in preterm infants.

Khera P, Jain S, Khurana S et al. · 2026 · European journal of pediatrics

Surfactant replacement therapy improves outcomes in preterm neonates with respiratory distress syndrome (RDS). While the less invasive surfactant administration (LISA) technique offers advantages over intubate-surfactant-extubate (INSURE),…

View details →
Replication FailureMedicine

Prospective observational comparative study on antibiotic prophylaxis in cystoscopy: towards a rational use of antimicrobials.

Magno Serrano P, Barros P, Dores M et al. · 2026 · Archivio italiano di urologia, andrologia : organo ufficiale [di] Societa italiana di ecografia urologica e nefrologica

Introduction Antibiotic resistance represents a major public health problem driven by inappropriate antimicrobial use. Cystoscopy is a common urological procedure associated with a low risk of urinary tract infection (UTI), and the role of…

View details →
Negative / Null Result ReportMedicine

Low-fat dietary pattern and dementia mortality: a secondary analysis of the Women's Health Initiative dietary modification randomized clinical trial with long-term follow-up.

Chlebowski RT, Rapp S, Aragaki AK et al. · 2026 · Menopause (New York, N.Y.)

Objectives In the Women's Health Initiative (WHI) Dietary Modification (DM) randomized trial, the dietary intervention significantly reduced breast cancer mortality and, in a subgroup of women 65 years old or above, significantly lowered…

View details →
Negative / Null Result ReportMedicine

Anterior quadratus lumborum block in total hip arthroplasty: a two-center, randomized, placebo-controlled trial showing no additional benefit over multimodal analgesia.

Rozier R, Loiseleur A, Ciais C et al. · 2026 · Regional anesthesia and pain medicine

Background Total hip arthroplasty (THA) frequently causes postoperative pain, hindering recovery and prolonging hospital stays. While multimodal analgesia aims to minimize opioid use and enhance outcomes, the optimal regional anesthesia…

View details →