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Browse the failure-mode index

11,317 real negative results, null findings, and replication failures in Medicine · Negative / Null Result Report. 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

No associations between blood pressure and brain volumes in a convenience sample of Hispanic/Latino middle-aged and older adults.

Costa CL, Araujo-Menendez CEE, Lawrence A et al. · 2026 · Frontiers in aging neuroscience

Background High blood pressure (BP) is a known risk factor for dementia, but the relationships between BP and gross brain volumes are mixed and are understudied in groups who are at particularly high risk for dementia, such as…

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Negative / Null Result ReportMedicine

Vitamin D in the prevention or treatment of COVID-19.

Martineau AR · 2023 · The Proceedings of the Nutrition Society

This review summarises evidence relating to a potential role for vitamin D supplementation in the prevention or treatment of coronavirus disease 2019 (COVID-19). Laboratory studies show that the active vitamin D metabolite…

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Negative / Null Result ReportOpen accessMedicine

An examination of sleep spindle metrics in the Sleep Heart Health Study: superiority of automated spindle detection over total sigma power in assessing age-related spindle decline.

Palepu K, Sadeghi K, Kleinschmidt DF et al. · 2023 · BMC neurology

Background Sleep spindle activity is commonly estimated by measuring sigma power during stage 2 non-rapid eye movement (NREM2) sleep. However, spindles account for little of the total NREM2 interval and therefore sigma power over the…

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Negative / Null Result ReportOpen accessMedicine

Investigating the replicability of preclinical cancer biology.

Errington TM, Mathur M, Soderberg CK et al. · 2021 · eLife

Replicability is an important feature of scientific research, but aspects of contemporary research culture, such as an emphasis on novelty, can make replicability seem less important than it should be. The Reproducibility Project: Cancer…

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Negative / Null Result ReportMedicine

Year 1 Impact of Offering Non-Emergency Medical Transportation on Care Utilization Among Low-Income and Disabled Beneficiaries in Medicare Advantage.

Ianni KM, Chernew ME, McWilliams JM · 2026 · Health services research

Objective To examine the effects of offering non-emergency medical transportation (NEMT) on care utilization among low-income and disabled beneficiaries in Medicare Advantage (MA). Study setting and design We leveraged the 2019 expansion…

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Negative / Null Result ReportOpen accessMedicine

Who Likes Extraverts? Testing the Interplay Between Perceiver Needs and Target Appearance in Impression Formation.

Jaeger B, Jones AL, Satchell L et al. · 2026 · International review of social psychology

The role of perceiver differences in impression formation remains relatively poorly understood. One line of research has tried to understand these differences by exploring the role of perceivers' needs and motivations, reasoning that…

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Negative / Null Result ReportOpen accessMedicine

Drug sequestration and metabolite formation: key pharmacokinetic challenges for levosimendan use during ECMO support in cardiogenic shock.

Tebib N, Liaudet L, Ltaief Z · 2026 · Journal of intensive care

Background In patients with refractory cardiogenic shock, veno-arterial extracorporeal membrane oxygenation (ECMO) provides temporary circulatory support, but optimal strategies to promote myocardial recovery and facilitate ECMO weaning…

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Negative / Null Result ReportMedicine

Efficacy and safety of mycophenolate mofetil in patients with high-grade locally advanced or metastatic osteosarcoma (ESMMO): a multicenter, phase II clinical trial.

Koonrungsesomboon N, Teeyakasem P, Dukaew N et al. · 2025 · International journal of clinical oncology

Background Osteosarcoma is a prevalent and aggressive bone malignancy primarily affecting young adults. Despite advances in standard treatment, the 5-year survival rate remains low, highlighting the need for new chemotherapy options.…

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Negative / Null Result ReportMedicine

Best Overall Response-Associated Signature to Doxorubicin in Soft Tissue Sarcomas: A Transcriptomic Analysis from ANNOUNCE.

Liu J, Moura DS, Jones RL et al. · 2024 · Clinical cancer research : an official journal of the American Association for Cancer Research

Purpose This exploratory analysis evaluated the tumor samples of the patients treated with doxorubicin (with or without olaratumab) in a negative phase III ANNOUNCE trial to better understand the complexity of advanced soft tissue sarcomas…

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Negative / Null Result ReportMedicine

Recent Advances in Clinical Trials in Multiple System Atrophy.

Bendetowicz D, Fabbri M, Sirna F et al. · 2024 · Current neurology and neuroscience reports

Purpose of review This review summarizes previous and ongoing neuroprotection trials in multiple system atrophy (MSA), a rare and fatal neurodegenerative disease characterized by parkinsonism, cerebellar, and autonomic dysfunction. It also…

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Negative / Null Result ReportMedicine

Feasibility of advanced composite endpoint analysis: Post-hoc insights from the vitamin intervention for stroke prevention randomized control trial.

Asaithambi G, Castro-Pearson S, Meyer MK et al. · 2023 · Nutrition, metabolism, and cardiovascular diseases : NMCD

Background and aims Stroke is a major cause of mortality and disability, highlighting the importance of prevention. Clinical trials play an important role in evaluating interventions that can maximize stroke prevention. Traditional…

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Negative / Null Result ReportMedicine

Frontal Cortex Stimulation Modulates Attentional Circuits and Increases Anxiety-Potentiated Startle in Anxious Depression.

Poplin T, Kuplicki R, Walker EA et al. · 2025 · Biological psychiatry. Cognitive neuroscience and neuroimaging

Background Major depressive disorder (MDD) with comorbid anxiety presents significant treatment challenges, with high relapse rates and suboptimal outcomes. Transcranial direct current stimulation (tDCS) offers a scalable, noninvasive…

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Negative / Null Result ReportOpen accessMedicine

Go or no-go for treat-to-target in axial spondyloarthritis?

Webers C, Been M, van Tubergen A · 2023 · Current opinion in rheumatology

Purpose of review For almost a decade, treat-to-target (T2T) has been advocated as a management strategy for axial spondyloarthritis (axSpA), despite a lack of trial evidence. Recently, the first and only published T2T trial in axSpA did…

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Negative / Null Result ReportOpen accessMedicine

Role of fallopian tube and cervical canal occlusion in preventing intra-operative tumour spillage in early endometrial cancer- a pilot study.

Aparajita, Barmon D, Baruah U et al. · 2025 · World journal of surgical oncology

Background Recent studies have found the presence of post- hysterectomy atypical glandular cells in upper vagina in ~ 30% patients of Endometrial Cancer (EC) with implications of causing isolated vaginal recurrence. The primary objective…

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Negative / Null Result ReportOpen accessMedicine

Redefining Ischemic Core, Penumbra, and Target Mismatch on Perfusion Imaging in Acute Anterior Distal Medium Vessel Occlusion.

Cai LY, Hoseinyazdi M, Lakhani DA et al. · 2025 · Stroke (Hoboken, N.J.)

Background Recent trials of endovascular thrombectomy (EVT) for acute distal medium vessel occlusions (DMVOs) were negative but also used inconsistent imaging-based inclusion criteria, whereas many successful large vessel occlusion (LVO)…

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Negative / Null Result ReportMedicine

Comparing the Efficacy of Dorsal Root Ganglion Stimulation With Conventional Medical Management in Patients With Chronic Postsurgical Inguinal Pain: Post Hoc Analyzed Results of the SMASHING Study.

Mol F, Scheltinga M, Roumen R et al. · 2023 · Neuromodulation : journal of the International Neuromodulation Society

Objectives Approximately 10% of patients who undergo inguinal hernia repair or Pfannenstiel incision develop chronic (> three months) postsurgical inguinal pain (PSIP). If medication or peripheral nerve blocks fail, a neurectomy is the…

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Negative / Null Result ReportMedicine

A Phase 2 Trial of RANKL Antibody, Denosumab, in Two Cohorts of Patients with Recurrent/Refractory Osteosarcoma, a Report from the Children's Oncology Group.

Janeway KA, Chou AJ, Buxton A et al. · 2026 · Clinical cancer research : an official journal of the American Association for Cancer Research

Purpose Mouse models demonstrate a role for RANK and its ligand, RANKL, in osteosarcoma. The primary objective of this single-arm, open-label phase 2 trial was to determine whether denosumab, a RANKL mAb, improved disease control in…

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Negative / Null Result ReportMedicine

Performance of the Healthy Aging Brain Care Monitor Self Report in Monitoring Post-Intensive Care Syndrome Among Acute Respiratory Failure Survivors.

Savsani PK, Khan SH, Perkins AJ et al. · 2025 · Critical care medicine

Objectives To describe the performance of the Healthy Aging Brain Care Monitor Self Report (HABC-M SR) in assessment of post-intensive care syndrome (PICS) among Acute Respiratory Failure ICU survivors. Design Secondary data analysis of a…

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Negative / Null Result ReportOpen accessMedicine

Triple Therapy: A Safe, Cost-Effective Regimen of Heparin, Aspirin and Clopidogrel for Managing Intracranial Vessel Occlusions in Patients With Acute Ischemic Stroke Who Are Ineligible for Intravenous Thrombolytics and Endovascular Thrombectomy.

Chaudhari A, Almajali M, Khan N et al. · 2026 · Stroke (Hoboken, N.J.)

Background Endovascular thrombectomy (EVT) has transformed the management of acute ischemic stroke, but remains inaccessible to many patients due to anatomic, clinical, or logistical limitations. Treatment strategies for patients with…

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Negative / Null Result ReportOpen accessMedicine

Intraperitoneal Perfusion with Cisplatin or Mitomycin C Improves Survival in Mice Bearing Peritoneal Metastases from Ovarian Cancer.

Andersson Y, Løvstakken E, Herud TM et al. · 2025 · Annals of surgical oncology

Background Hyperthermic intraperitoneal chemotherapy (HIPEC) following cytoreductive surgery is a potentially curative treatment for patients with peritoneal metastases. Currently, there is no standardized protocol for performing HIPEC and…

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