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Browse the failure-mode index

12,251 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 ReportOpen accessMedicine

Differences in firing patterns along the dorsal-intermediate hippocampal axis in a fixed route during a change in emotional context.

Troha R, Lee SLT, Anam M et al. · 2025 · Frontiers in systems neuroscience

The hippocampus plays a prominent role in spatial navigation and memory. However, differences exist along the hippocampus longitudinal axis in function and connectivity. The current study focuses on the dorsal and intermediate subregions…

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Negative / Null Result ReportOpen accessMedicine

Parental political engagement and self-efficacy: An exploratory study.

Randolph C, Needlman R, Hutchinson E · 2024 · American journal of community psychology

Political engagement (PE) is associated with a sense of empowerment. PE by parents affects children's lives. This study explored parents' attitudes about inclusion of political engagement discussion in well-child care. Because voting is an…

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Negative / Null Result ReportMedicine

Patterns of Symptom Change in Behaviors and Cognitions During 10-Session Cognitive Behavioral Therapy (CBT-T) for Non-Underweight Eating Disorders.

Kambanis PE, Graver H, Palmer LP et al. · 2025 · The International journal of eating disorders

Objective Little is known about the timing of behavioral versus cognitive change in 10-session cognitive-behavioral therapy for non-underweight eating disorders (CBT-T). We aimed to: (a) evaluate the magnitude of behavioral and cognitive…

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Negative / Null Result ReportOpen accessMedicine

Exosome enriched serum enhances engineered ligament mechanics and collagen content with no additional benefit of resistance exercise.

Paulussen KJM, Hayden CMT, Griffin T et al. · 2025 · Matrix biology plus

Following resistance exercise, systemic changes foster improved functionality of tendons and ligaments. Post-exercise, muscle tissue releases exosomes that are thought to facilitate inter-tissue communication. To determine the potential…

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Negative / Null Result ReportOpen accessMedicine

Comparison of Medial Meniscus Root Repair with Two Surgical Techniques Using Medial and Lateral Tunnels: A Prospective Cohort Study.

Shahsavari Pour A, Hosseini A, Ghomashi I et al. · 2026 · The archives of bone and joint surgery

Objectives This study aimed to compare the clinical outcomes of trans-tibial pullout repair of the medial meniscus posterior root using the lateral tibial tunnel versus the conventional medial tibial tunnel. Methods In this prospective…

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Negative / Null Result ReportOpen accessMedicine

Does the change between the native and the prosthetic posterior tibial slope influence the clinical outcomes after posterior stabilized TKA? A review of 793 knees at a minimum of 5 years follow-up.

Alhamdi H, Deroche E, Shatrov J et al. · 2025 · SICOT-J

Introduction The understanding of the influence of posterior tibial slope (PTS) on knee kinematics has increased. However, the PTS influence on clinical outcomes remains unclear. The study aimed to evaluate whether a significant change…

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Negative / Null Result ReportOpen accessMedicine

Omega-3 fatty acid supplementation does not attenuate declines in skeletal muscle mitochondrial area in young, healthy females during immobilization.

Lo MM, Black MN, McGlory C et al. · 2026 · Physiological reports

Mitochondrial subcellular area influences function. Muscle disuse reduces mitochondrial content; however, its effect on mitochondrial subcellular location is unclear. Omega-3 fatty acid (n-3) attenuates declines in muscle mass and…

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Negative / Null Result ReportMedicine

Dynamic lactation responses to dietary crude protein oscillation in diets adequate and deficient in metabolizable protein in Holstein cows.

Erickson MG, Zanton GI, Wattiaux MA · 2023 · Journal of dairy science

Limited research has examined the interaction between dietary crude protein (CP) level and CP feeding pattern. We tested CP level (low protein [LP], 13.8%; high protein [HP], 15.5% CP, dry matter [DM] basis) and CP feeding pattern (OF =…

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Negative / Null Result ReportMedicine

Odor-Color Associations Are Not Mediated by Concurrent Verbalization.

Speed LJ, de Valk J, Croijmans I et al. · 2023 · Cognitive science

Odor and color are strongly associated. Numerous studies demonstrate consistent odor-color associations, as well as effects of color on odor perception and language. Yet, we know little about how these associations arise. Here, we test…

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Failed Experiment ReportOpen accessMedicine

A Phase II Study of Abemaciclib for Patients with Retinoblastoma-Positive, Metastatic Triple-Negative Breast Cancer.

Goel S, Jovanović B, Chu X et al. · 2025 · Clinical cancer research : an official journal of the American Association for Cancer Research

Purpose Cyclin-dependent kinase 4/6 inhibitors can significantly extend survival when given in combination with endocrine therapy in patients with hormone receptor-positive metastatic breast cancer. However, their activity has been…

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Failed Experiment ReportMedicine

Add-On Prostaglandin E 1 in Venovenous Extracorporeal Membrane Oxygenation: A Randomized, Double-Blind, Placebo-controlled Pilot Trial.

Buchtele N, Schörgenhofer C, Schwameis M et al. · 2022 · American journal of respiratory and critical care medicine

Rationale: Prostaglandin E 1 (alprostadil; PGE 1 ), in addition to low-dose unfractionated heparin, increases the biocompatibility of extracorporeal systems and enhances the efficacy of artificial organs without increasing bleeding risk.…

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Methods Dead-EndOpen accessMedicine

Cost-effectiveness of lurbinectedin with atezolizumab for extensive-stage small-cell lung cancer in the United States: impact of drug wastage reduction on economic outcomes.

Zhu J, Li Z, Song D et al. · 2026 · BMC health services research

Background The IMforte trial had supported lurbinectedin as a recommended first-line maintenance therapy for patients with extensive-stage small-cell lung cancer (ES-SCLC), while its cost-effectiveness remains uncertain for patients and…

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Failed Experiment ReportOpen accessMedicine

TRAbectedin in adVanced rEtroperitoneal well differentiated/dedifferentiated Liposarcoma and Leiomyosarcoma (TRAVELL): results of a phase II study from the Italian Sarcoma Group.

Fabbroni C, Grignani G, Vincenzi B et al. · 2024 · ESMO open

Background This is a multicentre, single-arm, phase II study aimed at further exploring the activity of trabectedin as second-/further-line treatment in retroperitoneal leiomyosarcoma (LMS) and well-differentiated/dedifferentiated…

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Negative / Null Result ReportOpen accessMedicine

Do Surrogate Markers of Cardiorespiratory Fitness Predict Individual Changes in VO<sub>2peak</sub>? A Randomized Controlled Trial.

Renwick JRM, Preobrazenski N, Giudice MD et al. · 2024 · International journal of exercise science

The purpose of the current study was to test the hypothesis that individual response classification for surrogate markers of cardiorespiratory fitness (CRF) will agree with response classification for VO 2peak . Surrogate markers of CRF…

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Negative / Null Result ReportOpen accessMedicine

Relationship between the stiffness of the medial gastrocnemius and spatiotemporal variables during 100-m sprint running in collegiate sprinters.

Fujii N, Takahashi K, Kawama R et al. · 2026 · PloS one

Higher stiffness of the medial gastrocnemius (MG) has been reported to be associated with faster race time in 100-m sprint running. However, the association of muscle stiffness with spatiotemporal variables (i.e., step frequency, step…

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Negative / Null Result ReportOpen accessMedicine

Effect of wild yeast inoculation on the nutritive value, fermentation profile, and aerobic stability of rehydrated corn grain silage.

Pupo MR, Diepersloot EC, Wenzel MPR et al. · 2026 · JDS communications

Feeding spoiled silage with high yeast activity is commonly related to impaired lactation performance by dairy cows. However, rehydrated corn grain silage (RCGS) may be more prone to yeast proliferation and be greatly affected by high…

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Negative / Null Result ReportOpen accessMedicine

Comparison of Jaw Function and Mental Health Between Patients With Anterior Disc Displacement With and Without Reduction.

Yao Y, Liu SS, Jin L et al. · 2025 · Clinical and experimental dental research

Objectives Anterior disc displacement with reduction (ADDWR) and without reduction (ADDWOR) are two common clinical types of temporomandibular disorders. This study compared the levels of anxiety, depression, somatization, and jaw function…

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Negative / Null Result ReportOpen accessMedicine

Effects of Supervised Exercise during Neoadjuvant Chemotherapy on Tumor Response in Patients with Breast Cancer (Neo-train): A Randomized Controlled Trial.

Kjeldsted E, Ammitzbøll G, Lænkholm AV et al. · 2025 · Clinical cancer research : an official journal of the American Association for Cancer Research

Purpose Preclinical studies have indicated that physical exercise may enhance chemotherapy efficacy. However, clinical trials are needed to investigate these findings. We hypothesized that an exercise program during neoadjuvant…

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