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Browse the failure-mode index

11,283 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

A Randomized Trial of Intraarterial Treatment for Acute Ischemic Stroke

Olvert A. Berkhemer, Puck Fransen, Debbie Beumer et al. · 2014 · New England Journal of Medicine

BACKGROUND: In patients with acute ischemic stroke caused by a proximal intracranial arterial occlusion, intraarterial treatment is highly effective for emergency revascularization. However, proof of a beneficial effect on functional…

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Negative / Null Result ReportOpen accessMedicine

Duodenal Infusion of Donor Feces for Recurrent Clostridium difficile

Els van Nood, Anne Vrieze, Max Nieuwdorp et al. · 2013 · New England Journal of Medicine

BACKGROUND: Recurrent Clostridium difficile infection is difficult to treat, and failure rates for antibiotic therapy are high. We studied the effect of duodenal infusion of donor feces in patients with recurrent C. difficile infection.…

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Negative / Null Result ReportOpen accessMedicine

Stenting versus Endarterectomy for Treatment of Carotid-Artery Stenosis

Thomas G. Brott, Robert W. Hobson, George Howard et al. · 2010 · New England Journal of Medicine

BACKGROUND: Carotid-artery stenting and carotid endarterectomy are both options for treating carotid-artery stenosis, an important cause of stroke. METHODS: We randomly assigned patients with symptomatic or asymptomatic carotid stenosis to…

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Negative / Null Result ReportOpen accessMedicine

Effects of Combination Lipid Therapy in Type 2 Diabetes Mellitus

The ACCORD Study Group · 2010 · New England Journal of Medicine

BACKGROUND: We investigated whether combination therapy with a statin plus a fibrate, as compared with statin monotherapy, would reduce the risk of cardiovascular disease in patients with type 2 diabetes mellitus who were at high risk for…

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Negative / Null Result ReportOpen accessMedicine

Spironolactone for Heart Failure with Preserved Ejection Fraction

Bertram Pitt, Marc A. Pfeffer, Susan F. Assmann et al. · 2014 · New England Journal of Medicine

BACKGROUND: Mineralocorticoid-receptor antagonists improve the prognosis for patients with heart failure and a reduced left ventricular ejection fraction. We evaluated the effects of spironolactone in patients with heart failure and a…

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Negative / Null Result ReportOpen accessMedicine

Endovascular Therapy after Intravenous t-PA versus t-PA Alone for Stroke

Joseph P. Broderick, Yuko Y. Palesch, Andrew M. Demchuk et al. · 2013 · New England Journal of Medicine

BACKGROUND: Endovascular therapy is increasingly used after the administration of intravenous tissue plasminogen activator (t-PA) for patients with moderate-to-severe acute ischemic stroke, but whether a combined approach is more effective…

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Negative / Null Result ReportOpen accessMedicine

Diuretic Strategies in Patients with Acute Decompensated Heart Failure

G. Michael Felker, Kerry L. Lee, David A. Bull et al. · 2011 · New England Journal of Medicine

BACKGROUND: Loop diuretics are an essential component of therapy for patients with acute decompensated heart failure, but there are few prospective data to guide their use. METHODS: In a prospective, double-blind, randomized trial, we…

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Negative / Null Result ReportOpen accessMedicine

Hydroxyethyl Starch or Saline for Fluid Resuscitation in Intensive Care

John Myburgh, Simon Finfer, Rinaldo Bellomo et al. · 2012 · New England Journal of Medicine

BACKGROUND: The safety and efficacy of hydroxyethyl starch (HES) for fluid resuscitation have not been fully evaluated, and adverse effects of HES on survival and renal function have been reported. METHODS: We randomly assigned 7000…

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Negative / Null Result ReportOpen accessMedicine

Effects of Extended-Release Niacin with Laropiprant in High-Risk Patients

The HPS2-THRIVE Collaborative Group · 2014 · New England Journal of Medicine

BACKGROUND: Patients with evidence of vascular disease are at increased risk for subsequent vascular events despite effective use of statins to lower the low-density lipoprotein (LDL) cholesterol level. Niacin lowers the LDL cholesterol…

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Negative / Null Result ReportMedicine

Efficacy and safety of rituximab in patients with active proliferative lupus nephritis: The lupus nephritis assessment with rituximab study

Brad H. Rovin, Richard Furie, Kevin Latinis et al. · 2012 · Arthritis & Rheumatism

OBJECTIVE: To evaluate the efficacy and safety of rituximab in a randomized, double-blind, placebo-controlled phase III trial in patients with lupus nephritis treated concomitantly with mycophenolate mofetil (MMF) and corticosteroids.…

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Negative / Null Result ReportOpen accessMedicine

Two Randomized Phase 3 Studies of Aducanumab in Early Alzheimer's Disease

Samantha Budd Haeberlein, Paul Aisen, Frederik Barkhof et al. · 2022 · The Journal of Prevention of Alzheimer s Disease

BACKGROUND: Alzheimer's disease is a progressive, irreversible, and fatal disease for which accumulation of amyloid beta is thought to play a key role in pathogenesis. Aducanumab is a human monoclonal antibody directed against aggregated soluble and insoluble forms of amyloid beta. OBJECTIVES: We evaluated the efficacy and safety of aducanumab in early Alzheimer's disease. DESIGN: EMERGE and ENGAGE were two randomized, double-blind, placebo-controlled, global, phase 3 studies of aducanumab in patients with early Alzheimer's disease. SETTING: These studies involved 348 sites in 20 countries. PA

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Negative / Null Result ReportOpen accessMedicine

Early Versus Delayed Initiation of Concurrent Palliative Oncology Care: Patient Outcomes in the ENABLE III Randomized Controlled Trial

Marie Bakitas, Tor D. Tosteson, Zhigang Li et al. · 2015 · Journal of Clinical Oncology

PURPOSE: Randomized controlled trials have supported integrated oncology and palliative care (PC); however, optimal timing has not been evaluated. We investigated the effect of early versus delayed PC on quality of life (QOL), symptom…

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Negative / Null Result ReportOpen accessMedicine

High versus Low Blood-Pressure Target in Patients with Septic Shock

Pierre Asfar, Ferhat Meziani, Jean‐François Hamel et al. · 2014 · New England Journal of Medicine

BACKGROUND: The Surviving Sepsis Campaign recommends targeting a mean arterial pressure of at least 65 mm Hg during initial resuscitation of patients with septic shock. However, whether this blood-pressure target is more or less effective…

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Negative / Null Result ReportOpen accessMedicine

Validation of Digital Visual Analog Scale Pain Scoring With a Traditional Paper-based Visual Analog Scale in Adults

Domenica A. Delgado, Bradley S. Lambert, Nickolas Boutris et al. · 2018 · JAAOS Global Research and Reviews

Background: The visual analog scale (VAS) is a validated, subjective measure for acute and chronic pain. Scores are recorded by making a handwritten mark on a 10-cm line that represents a continuum between “no pain” and “worst pain.”…

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Negative / Null Result ReportOpen accessMedicine

Prostate Cancer Screening in the Randomized Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial: Mortality Results after 13 Years of Follow-up

G. L. Andriole, E. David Crawford, Robert L. Grubb et al. · 2012 · JNCI Journal of the National Cancer Institute

BACKGROUND: The prostate component of the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial was undertaken to determine whether there is a reduction in prostate cancer mortality from screening using serum…

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Negative / Null Result ReportOpen accessMedicine

Adaptive Servo-Ventilation for Central Sleep Apnea in Systolic Heart Failure

Martín Cowie, Holger Woehrle, Karl Wegscheider et al. · 2015 · New England Journal of Medicine

BACKGROUND: Central sleep apnea is associated with poor prognosis and death in patients with heart failure. Adaptive servo-ventilation is a therapy that uses a noninvasive ventilator to treat central sleep apnea by delivering…

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Negative / Null Result ReportMedicine

RIBBON-1: Randomized, Double-Blind, Placebo-Controlled, Phase III Trial of Chemotherapy With or Without Bevacizumab for First-Line Treatment of Human Epidermal Growth Factor Receptor 2–Negative, Locally Recurrent or Metastatic Breast Cancer

Nicholas J. Robert, Véronique Dièras, John A. Glaspy et al. · 2011 · Journal of Clinical Oncology

PURPOSE: This phase III study compared the efficacy and safety of bevacizumab (BV) when combined with several standard chemotherapy regimens versus those regimens alone for first-line treatment of patients with human epidermal growth…

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Negative / Null Result ReportOpen accessMedicine

Randomized Trial of Benznidazole for Chronic Chagas’ Cardiomyopathy

Carlos A. Morillo, José Antônio Marin‐Neto, Álvaro Avezum et al. · 2015 · New England Journal of Medicine

BACKGROUND: The role of trypanocidal therapy in patients with established Chagas' cardiomyopathy is unproven. METHODS: We conducted a prospective, multicenter, randomized study involving 2854 patients with Chagas' cardiomyopathy who…

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Negative / Null Result ReportOpen accessMedicine

5-Year Outcomes After Left Atrial Appendage Closure

Vivek Y. Reddy, Shephal K. Doshi, Saibal Kar et al. · 2017 · Journal of the American College of Cardiology

BACKGROUND: The PROTECT AF (WATCHMAN Left Atrial Appendage System for Embolic Protection in Patients With Atrial Fibrillation) trial demonstrated that left atrial appendage closure (LAAC) with the Watchman device (Boston Scientific, St.…

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Negative / Null Result ReportOpen accessMedicine

Aspirin in Patients Undergoing Noncardiac Surgery

P.J. Devereaux, Marko Mrkobrada, Daniel I. Sessler et al. · 2014 · New England Journal of Medicine

BACKGROUND: There is substantial variability in the perioperative administration of aspirin in patients undergoing noncardiac surgery, both among patients who are already on an aspirin regimen and among those who are not. METHODS: Using a…

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Negative / Null Result ReportOpen accessMedicine

Effect of Laparoscopic Sleeve Gastrectomy vs Laparoscopic Roux-en-Y Gastric Bypass on Weight Loss at 5 Years Among Patients With Morbid Obesity

Paulina Salminen, Mika Helmiö, Jari Ovaska et al. · 2018 · JAMA

Importance: Laparoscopic sleeve gastrectomy for treatment of morbid obesity has increased substantially despite the lack of long-term results compared with laparoscopic Roux-en-Y gastric bypass. Objective: To determine whether laparoscopic…

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Negative / Null Result ReportOpen accessMedicine

Gemcitabine Plus Bevacizumab Compared With Gemcitabine Plus Placebo in Patients With Advanced Pancreatic Cancer: Phase III Trial of the Cancer and Leukemia Group B (CALGB 80303)

Hedy L. Kindler, Donna Niedzwiecki, Donna Hollis et al. · 2010 · Journal of Clinical Oncology

PURPOSE: The combination of gemcitabine plus bevacizumab produced a 21% response rate and a median survival of 8.8 months in a multicenter phase II trial in patients with metastatic pancreatic cancer. These encouraging data led Cancer and…

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Negative / Null Result ReportOpen accessMedicine

Phase III Randomized Clinical Trial Comparing Tremelimumab With Standard-of-Care Chemotherapy in Patients With Advanced Melanoma

Antoni Ribas, Richard Kefford, Margaret Marshall et al. · 2013 · Journal of Clinical Oncology

PURPOSE: In phase I/II trials, the cytotoxic T lymphocyte-associated antigen-4-blocking monoclonal antibody tremelimumab induced durable responses in a subset of patients with advanced melanoma. This phase III study evaluated overall…

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Negative / Null Result ReportMedicine

Prednisolone or Pentoxifylline for Alcoholic Hepatitis

Mark R. Thursz, Paul Richardson, Michael Allison et al. · 2015 · New England Journal of Medicine

BACKGROUND: Alcoholic hepatitis is a clinical syndrome characterized by jaundice and liver impairment that occurs in patients with a history of heavy and prolonged alcohol use. The short-term mortality among patients with severe disease…

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Negative / Null Result ReportOpen accessMedicine

Impact of Remote Telemedical Management on Mortality and Hospitalizations in Ambulatory Patients With Chronic Heart Failure

Friedrich Koehler, Sebastian Winkler, Michael Schieber et al. · 2011 · Circulation

BACKGROUND: This study was designed to determine whether physician-led remote telemedical management (RTM) compared with usual care would result in reduced mortality in ambulatory patients with chronic heart failure (HF). METHODS AND…

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