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Browse the failure-mode index

12,375 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

Can the Social Vulnerability Index Enhance Models Predicting Adherence to Craniofacial Speech Evaluations?

Kong BH, Dillon K, Brady CM et al. · 2026 · The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association

ObjectiveTo determine whether the Centers for Disease Control and Prevention's Social Vulnerability Index (SVI) influences models of adherence to speech evaluations beyond individual demographic and clinical factors.DesignRetrospective…

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Negative / Null Result ReportMedicine

Effects of Ultra-short Offline States on Item-level Verbal Memory.

Wamsley EJ, Barron J, Livingston WH · 2026 · Journal of cognitive neuroscience

Memory is consolidated during "offline" states of reduced attention to the external stimulus environment, including sleep and resting wakefulness. While consolidation is usually studied on a timescale of hours to days, accumulating…

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Negative / Null Result ReportMedicine

Serum 25-Hydroxyvitamin D Levels did not improve with N-Acetylcysteine administration nor with abstinence in Adults Treated for Alcohol Use Disorder: A Secondary Analysis of a Randomized, Double-Blind, Placebo-Controlled Clinical Trial.

Piazza FRG, Schuch JB, Ferreira DNSDS et al. · 2025 · Revista brasileira de psiquiatria (Sao Paulo, Brazil : 1999)

Objective N-acetylcysteine (NAC) is a medication known for its hepatoprotective properties and potential to reduce cravings and psychoactive substance use. Vitamin D is metabolized in the liver, and individuals with alcohol abuse often…

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Negative / Null Result ReportMedicine

Acute Effect of Thoracic Mobility Exercises on Respiratory Function and Thoracolumbar Mobility in Healthy Adults: A Pilot Crossover Trial.

Leak M, Giambini H, Cheever K et al. · 2026 · Journal of sport rehabilitation

Context Thoracic mobility is integral to respiratory function and mobility of the neck, shoulder, and spine. The efficacy of thoracic mobility exercises in enhancing respiratory function and spinal range of motion (ROM) is well documented…

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Negative / Null Result ReportMedicine

CT-derived hepatic extracellular volume fraction for the assessment of graft rejection after liver transplantation: a retrospective observational study.

Asmundo L, Pansini V, Monti CB et al. · 2026 · Abdominal radiology (New York)

To evaluate the diagnostic performance of hepatic extracellular volume (ECV) fraction derived from delayed single-energy CT for identifying graft rejection in liver transplant recipients and its added value over clinical parameters. This…

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Replication FailureMedicine

Role of Case Management for Improving Cardiac Rehabilitation Participation in Women: A RANDOMIZED CONTROLLED TRIAL.

Khadanga S, Yant B, Savage PD et al. · 2026 · Journal of cardiopulmonary rehabilitation and prevention

Purpose Despite the benefits, cardiac rehabilitation (CR) is underutilized, particularly in women. Case management (CM) has been shown to reduce the risk of cardiovascular disease and improve health outcomes. The purpose of this study was…

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Negative / Null Result ReportMedicine

Predictive value of ultrasound-measured tongue base thickness for upper airway obstruction during monitored anesthesia care: a single-center prospective observational study.

Kikkawa K, Takeuchi M, Sakaguchi D et al. · 2026 · Journal of anesthesia

Purpose Monitored anesthesia care (MAC) is increasingly used for various procedures, but sedation-related upper airway obstruction may lead to hypoxemia or conversion to general anesthesia. This study evaluated whether preoperative tongue…

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Negative / Null Result ReportMedicine

Association between arterial to end-tidal carbon dioxide gradient and prehospital hemodynamic status in patients with moderate-to-severe traumatic brain injury.

Navarro LP, Combes X, Galinski M et al. · 2026 · BMC emergency medicine

Introduction We aimed to assess the relationship between arterial partial pressure of carbon dioxide (PaCO 2 ) and end-tidal carbon dioxide (EtCO 2 ) according to three prehospital hemodynamic status and to evaluate whether…

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Negative / Null Result ReportMedicine

Effects of high oleic expeller-pressed soybean meal on milk fat production and fatty acid digestibility in lactating dairy cows undergoing a milk fat depression challenge.

Burtnett SL, Bomberger RA, Harvatine KJ · 2026 · Journal of dairy science

Oleic acid has a lower risk for biohydrogenation-induced milk fat depression (MFD) than linoleic acid and can act as an emulsifier to aid fatty acid (FA) digestion in the small intestine. Our objective was to evaluate the effect of high…

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Negative / Null Result ReportOpen accessMedicine

Prognostic Performance of a Modified TRI-SCORE Incorporating RV-PA Uncoupling After Transcatheter Tricuspid Valve Interventions.

Alachkar MN, Schlegl J, Bannehr M et al. · 2026 · Journal of cardiovascular development and disease

Background The TRI-SCORE was developed to predict mortality after tricuspid valve surgery and has demonstrated prognostic value in patients undergoing transcatheter tricuspid valve interventions (TTVI). Right ventricular-pulmonary arterial…

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Negative / Null Result ReportMedicine

The Effect of a Series of Lower Limb Pressotherapy Treatments on the Range of Motion of the Lower Limb Joints, Lower Limb Circumferences, and Body Composition in Young, Healthy Women.

Ptaszek B, Kurek O, Podsiadło S · 2026 · Lymphatic research and biology

Purpose In times when health and physical activity are gaining in value, the search for effective methods to support fitness and improve quality of life is becoming a priority. One of the therapies that is gaining increasing popularity is…

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Negative / Null Result ReportMedicine

Anthropometric differences between twins at birth and their association with later cognitive performance.

Eves R, Deppe M, Kandler C et al. · 2026 · Journal of child psychology and psychiatry, and allied disciplines

Background Past studies indicate significant associations between birth anthropometrics, such as relative birthweight or head circumference, and later cognitive performance. Using twin data, we investigated whether these associations are…

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Negative / Null Result ReportMedicine

Prognostic dynamics of pathological complete response and ctDNA clearance after neoadjuvant/perioperative immunotherapy in cancer: a reconstructed individual patient analysis.

Garitaonaindia Y, Witteveen S, Dionisio E et al. · 2026 · Journal of the National Cancer Institute

Background Pathological complete response (pCR) and circulating tumor DNA (ctDNA) clearance are increasingly used as intermediate endpoints in neoadjuvant and perioperative immunotherapy (IO) trials. However, whether complete pathological…

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