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Browse the failure-mode index

21,277 real negative results, null findings, and replication failures. 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

Rectus femoris graft harvest for anterior cruciate ligament reconstruction does not result in selective rectus femoris muscle volume loss or strength deficit at one year: quantitative magnetic resonance imaging, isokinetic and functional analyses.

Okutan AE, Kehribar L, Gürün E et al. · 2026 · International orthopaedics

Purpose To evaluate 1-year clinical and functional outcomes, as well as donor-site morbidity based on quadriceps muscle morphology, after primary single-bundle ACLR using a quadrupled RF tendon autograft. Methods Patients who underwent…

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Negative / Null Result ReportOpen accessMedicine

From cool to non-cool: California's 'non-menthol' cigarettes in 2025.

Jabba SV, Erythropel HC, Anastas PT et al. · 2026 · Tobacco prevention & cessation

Since late 2022, the sale of most flavored tobacco products has been prohibited in California, including menthol cigarettes. Tobacco companies responded by introducing 'non-menthol' cigarettes in which menthol was replaced with WS-3, an…

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Negative / Null Result ReportMedicine

The Influence of Heart Failure and Ventilatory Support Mode on Hospital Morbidity and Mortality in Patients With or at Risk of Obesity Hypoventilation Syndrome: Findings From the National Inpatient Sample.

Kaw R, Shekhar S, Mehra R et al. · 2026 · Chest

Background Heart failure (HF) is common in obesity hypoventilation syndrome (OHS). We explored the impact of HF on in-hospital outcomes of patients with or at risk of OHS who were treated with mechanical ventilation (MV), noninvasive…

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Negative / Null Result ReportMedicine

Comparable 1-year results after arthroscopic Latarjet using screw or suture-button fixation.

Berge T, Vuletić F, Bøe B · 2026 · Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA

Purpose To compare clinical and radiological outcomes 1 year after Arthroscopic Latarjet procedure, using two different fixation techniques: screw or suture button fixation. Methods This retrospective comparative cohort study included 75…

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Negative / Null Result ReportMedicine

A Twelve-Month Observation Analysis of Real-Time Contact Pressure-Controlled Powered Tooth Brushing as a Subgroup Analysis of a 36-Month RCT.

Graetz C, Löwe C, Übermuth S et al. · 2026 · International journal of dental hygiene

Objective Bristle splaying may be associated with reduced cleaning efficacy; however, the relationship between the bristle splaying index (BSI) and contact pressure (CP) during brushing with a powered toothbrush (PT) with real-time CP…

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Negative / Null Result ReportMedicine

Cannabigerol and cannabidiol differ in their ability to affect the AhR/CYP1A pathway in vitro.

Vrba J, Havlasek J, Dostalova K et al. · 2026 · Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association

Cannabidiol (CBD) is known to activate aryl hydrocarbon receptor (AhR) and expression of cytochromes P450 (CYP) 1A. This study examined the effect of cannabigerol (CBG) on the AhR/CYP1A pathway in HepG2 cells, human hepatocytes, and normal…

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Negative / Null Result ReportMedicine

Comparative analysis of nucleic acid delivery systems based on benzimidazolium surfactants: impact of auxiliary lipids on lipoplex internalization and functional gene delivery in cancer cells.

Kuznetsova DA, Kuznetsov DM, Lyubina AP et al. · 2026 · Biochimica et biophysica acta. Biomembranes

The design of effective non-viral nucleic acid delivery systems based on cationic amphiphilic compounds remains a major challenge in biomedical research. In this study, cationic benzimidazolium surfactants (BI-n) and cationic liposomes…

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Negative / Null Result ReportMedicine

Pimobendan in Heart Failure With Preserved Ejection Fraction and Right Ventricular-Pulmonary Arterial Uncoupling - A Randomized Clinical Trial.

Nakagawa A, Matsuoka Y, Seo M et al. · 2026 · Circulation journal : official journal of the Japanese Circulation Society

Background Patients with heart failure with preserved ejection fraction (HFpEF) and right ventricular (RV)-pulmonary arterial (PA) uncoupling, as assessed by a decrease ratio of tricuspid annular plane systolic excursion (TAPSE) to PA…

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Negative / Null Result ReportMedicine

Simvastatin Treatment in Patients with Liver Cirrhosis: a Phase II Randomized Placebo Controlled Trial Shows Reduction in IL-6 Levels.

Hussain SK, Ayoub WS, Cruz-Correa M et al. · 2026 · Cancer prevention research (Philadelphia, Pa.)

Hepatocellular carcinoma (HCC) is a lethal cancer with rising burden. Few clinical trials have evaluated preventive strategies for HCC in high-risk patients with liver cirrhosis. Observational studies show statins are associated with…

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Negative / Null Result ReportMedicine

Effects of Experimental Intermittent Theta Burst Stimulation on Negative Symptoms of Schizophrenia: A Double-Blind Sham-Controlled Study.

Kumar N, Prasad S, Srivastava MVP et al. · 2026 · The Journal of clinical psychiatry

Background: Negative symptoms remain among the most debilitating and treatment-resistant features of schizophrenia. Repetitive transcranial magnetic stimulation, particularly intermittent theta burst stimulation (iTBS), is emerging as a…

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Negative / Null Result ReportMedicine

Inpatient Robotic Therapy for Stroke Survivors With Severe Upper Limb Impairments: A Randomized Controlled Trial.

Cowan C, Harmon EY, Melewski M et al. · 2026 · The American journal of occupational therapy : official publication of the American Occupational Therapy Association

Importance Understanding how upper extremity (UE) robotic therapy (RT) affects efficiency and effectiveness of inpatient rehabilitation is important to advancing poststroke treatment and recovery. Objective To determine whether UE RT…

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Negative / Null Result ReportMedicine

Efficacy and tolerability of metformin as an adjuvant therapy in patients with relapse-remitting multiple sclerosis receiving interferon Beta 1a: A randomized pilot trial.

Abdelgaied MY, Abdelgawad O, Rashad MH et al. · 2026 · Journal of neuroimmunology

Background Neurodegeneration and inflammation can accelerate the demyelination process in multiple sclerosis (MS). We aimed to investigate the efficacy and tolerability of metformin as an add-on treatment to interferon Beta 1a (IFNβ-1a) in…

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Negative / Null Result ReportOpen accessMedicine

Thermal Safety of Forced-Air Warming During Balloon Occlusion in Isolated Perfusion Chemotherapy: A Prospective Feasibility Study Using Multisite Temperature Monitoring.

Aust H, Kranke P, Torossian A et al. · 2026 · Cancers

Background Isolated Perfusion Chemotherapy (IPC) with balloon occlusion creates transient ischemic tissue compartments while patients remain exposed to significant perioperative heat loss. Active warming during these phases is commonly…

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Negative / Null Result ReportMedicine

Enhancing Potato (Solanum tuberosum L.) Production in a Semi-arid Environment in Morocco Using Subsurface Drip Irrigation and Other Water-Saving Strategies

Kretzschmar HA, Abouabdillah A, Bouabid R et al. · 2026 · Potato Res..

The Fès-Meknès region in Morocco is characterized by a typical Mediterranean climate and the cultivation of water-demanding, locally well-established cash crops, such as potato (Solanum tuberosum L.). Therefore, this region is likely to…

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Negative / Null Result ReportMedicine

Short-Chain Fatty Acids May Promote Regulatory T Cell Induction to Enhance Maternal Immune Tolerance in Early Pregnancy.

Takahashi K, Kawagoe J, Takehara I et al. · 2026 · Reproductive sciences (Thousand Oaks, Calif.)

This study examined whether oral administration of individual short-chain fatty acids (SCFAs) alters Treg- and Th17-related immune parameters during the peri-implantation period in pregnant mice. Using a mouse model, the effects of SCFAs…

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Negative / Null Result ReportMedicine

Operative management of supination-external rotation type trimalleolar equivalent ankle fractures: reassessing the role of deltoid ligament repair and impact of posterior malleolar fixation on postoperative syndesmotic widening.

Choi JY, Yu OJ, Yun JY et al. · 2026 · European journal of orthopaedic surgery & traumatology : orthopedie traumatologie

Purpose The role of deltoid ligament (DL) repair in supination-external rotation (SER)-type trimalleolar equivalent ankle fractures (TEAFs) remains controversial. Additionally, it remains unclear whether posterior malleolar fixation alone…

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Negative / Null Result ReportMedicine

Cytotoxicity assessment of Tera Harz TC-85DAC direct-printed clear aligners and effects of post curing time.

Peanchitlertkajorn S, Makkasaman K, Neoh SP et al. · 2026 · Journal of the World federation of orthodontists

Background To evaluate the cytotoxicity of direct 3D-printed aligners fabricated from Tera Harz TC-85DAC resin (TC) compared with conventional thermoformed aligners, and to investigate the effect of different post curing durations on TC…

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Negative / Null Result ReportMedicine

Safety of insulin eye drops in the tratment of open angle glaucoma: a randomized phase I clinical trial.

Liu J, Nassrallah W, Quan-Nguyen C et al. · 2026 · Canadian journal of ophthalmology. Journal canadien d'ophtalmologie

Objective The progression of glaucoma despite adequate intraocular pressure (IOP) control highlights the need for neuroprotective and neuroregenerative therapies. Preclinical studies suggest insulin promotes retinal ganglion cell survival…

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