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Failure-mode index

Search what already failed

A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.

19893 results in Negative / Null Result Report · page 548 of 664

Negative / Null Result ReportOpen accessMedicine

Alzheimer's Disease: Key Insights from Two Decades of Clinical Trial Failures.

Kim CK, Lee YR, Ong L et al. · 2022 · Journal of Alzheimer's disease : JAD

Given the acknowledged lack of success in Alzheimer's disease (AD) drug development over the past two decades, the objective of this review was to derive key insights from the myriad failures to inform future drug development. A systematic…

View details →DOI: 10.3233/jad-215699
Negative / Null Result ReportOpen accessMedicine

Rates of discontinuation and non-publication of upper and lower extremity fracture clinical trials.

Shepard S, Anderson JM, Heigle B et al. · 2023 · Journal of orthopaedic surgery and research

Purpose To our knowledge, no study has quantified the rate of discontinuation and nonpublication of randomized controlled trials (RCTs) regarding upper and lower extremity fractures. Methods We searched ClinicalTrials.gov on September 9th,…

View details →DOI: 10.1186/s13018-023-03698-5
Negative / Null Result ReportOpen accessMedicine

Determining the Effectiveness of Fibrin Sealants in Reducing Complications in Patients Undergoing Lateral Neck Dissection (DEFeND): A Randomised External Pilot Trial.

Bajwa MS, Jackson R, Dhanda J et al. · 2023 · Cancers

Objectives High-quality randomised controlled trials (RCT) to support the use of Fibrin Sealants (FS) in neck dissection (ND) are lacking. The DEFeND trial assessed critical pilot/feasibility questions and signals from clinical outcomes to…

View details →DOI: 10.3390/cancers15205073
Negative / Null Result ReportMedicine

Odds and ends in psychopharmacology from the past 10 years.

Howland RH · 2015 · Journal of psychosocial nursing and mental health services

Seven topics previously described in this column are revisited. The use of quantitative electroencephalography has been shown in a prospective study to be effective for predicting antidepressant treatment response. A novel antidepressant…

View details →DOI: 10.3928/02793695-20141222-01
Negative / Null Result ReportOpen accessMedicine

Feasibility of two levels of protein intake in patients with colorectal cancer: findings from the Protein Recommendation to Increase Muscle (PRIMe) randomized controlled pilot trial.

Ford KL, Sawyer MB, Ghosh S et al. · 2024 · ESMO open

Background Low muscle mass (MM) predicts unfavorable outcomes in cancer. Protein intake supports muscle health, but oncologic recommendations are not well characterized. The objectives of this study were to evaluate the feasibility of…

View details →DOI: 10.1016/j.esmoop.2024.103604
Negative / Null Result ReportMedicine

Can coverage be rescinded when negative trial results threaten a popular procedure? The ongoing saga of vertebroplasty.

Wulff KC, Miller FG, Pearson SD · 2011 · Health affairs (Project Hope)

To attain the anticipated benefits of increased investments in comparative effectiveness research, the results must translate into improved medical practice and policy. In this article we present an analysis of a case study of percutaneous…

View details →DOI: 10.1377/hlthaff.2011.0159
Negative / Null Result ReportOpen accessMedicine

Updates in the Clinical Development of Epacadostat and Other Indoleamine 2,3-Dioxygenase 1 Inhibitors (IDO1) for Human Cancers.

Komiya T, Huang CH · 2018 · Frontiers in oncology

Recent application of immunotherapy in clinical oncology revolutionized our management of advanced human cancers. Check point inhibitors targeting CTLA4 and PD-1/PD-L1 axis are immunotherapeutic agents currently available to treat a…

View details →DOI: 10.3389/fonc.2018.00423
Negative / Null Result ReportMedicine

Baclofen as add-on to standard psychosocial treatment for alcohol dependence: a randomized, double-blind, placebo-controlled trial with 1 year follow-up.

Ponizovsky AM, Rosca P, Aronovich E et al. · 2015 · Journal of substance abuse treatment

Background Limited clinical trials and case-reports yielded conflicting results regarding the efficacy of baclofen (a GABAB agonist) in the treatment of alcohol dependence. The aim of this study was to test the efficacy and tolerability of…

View details →DOI: 10.1016/j.jsat.2014.11.007
Negative / Null Result ReportOpen accessMedicine

Neurophysiological Changes Associated with Antidepressant Response to Ketamine Not Observed in a Negative Trial of Scopolamine in Major Depressive Disorder.

Park L, Furey M, Nugent AC et al. · 2019 · The international journal of neuropsychopharmacology

Background This randomized, placebo-controlled, crossover trial examined the antidepressant efficacy of the muscarinic antagonist scopolamine in major depressive disorder subjects with more severe and refractory forms of major depressive…

View details →DOI: 10.1093/ijnp/pyy051
Negative / Null Result ReportMedicine

The Functional Visual Field(s) in simple visual search.

Wu CC, Wolfe JM · 2022 · Vision research

During a visual search for a target among distractors, observers do not fixate every location in the search array. Rather processing is thought to occur within a Functional Visual Field (FVF) surrounding each fixation. We argue that there…

View details →DOI: 10.1016/j.visres.2021.107965
Negative / Null Result ReportOpen accessMedicine

Oral cannabidiol (CBD) as add-on to paracetamol for painful chronic osteoarthritis of the knee: a randomized, double-blind, placebo-controlled clinical trial.

Pramhas S, Thalhammer T, Terner S et al. · 2023 · The Lancet regional health. Europe

Background Painful knee osteoarthritis (KOA) is common, pharmacological treatment, however, is often hampered by limited tolerability. Cannabidiol, which preclinically showed anti-inflammatory, analgesic activity, could supplement…

View details →DOI: 10.1016/j.lanepe.2023.100777
Negative / Null Result ReportOpen accessMedicine

Metabotropic Glutamate Receptor 4 (mGlu4) Positive Allosteric Modulators Lack Efficacy in Rat and Marmoset Models of L-DOPA-Induced Dyskinesia.

Finlay CJ, Jackson MJ, Fisher R et al. · 2024 · Journal of Parkinson's disease

Background Increased activity across corticostriatal glutamatergic synapses may contribute to L-DOPA-induced dyskinesia in Parkinson's disease. Given the weak efficacy and side-effect profile of amantadine, alternative strategies to reduce…

View details →DOI: 10.3233/jpd-230296
Negative / Null Result ReportOpen accessMedicine

The effect of negative randomized trials and surgeon volume on the rates of arthroscopy for patients with knee OA.

Ghomrawi HMK, Marx RG, Pan TJ et al. · 2018 · Contemporary clinical trials communications

Publication of 2 (negative) randomized clinical trials (RCTs) in 2002 and 2008 demonstrating inefficacy of arthroscopic debridement of the knee (ADK) for osteoarthritis, and a 2004 national non-coverage Medicare determination, have…

View details →DOI: 10.1016/j.conctc.2017.11.011
Negative / Null Result ReportOpen accessMedicine

Efficacy of Wharton Jelly Mesenchymal Stromal Cells infusions in moderate to severe SARS-Cov-2 related acute respiratory distress syndrome: a phase 2a double-blind randomized controlled trial.

Pochon C, Laroye C, Kimmoun A et al. · 2023 · Frontiers in medicine

Background The COVID-19 pandemic caused a wave of acute respiratory distress syndrome (ARDS) with a high in-hospital mortality, especially in patients requiring invasive mechanical ventilation. Wharton Jelly-derived Mesenchymal Stromal…

View details →DOI: 10.3389/fmed.2023.1224865
Negative / Null Result ReportOpen accessMedicine

Exhaled-Breath Testing Using an Electronic Nose during Spinal Cord Stimulation in Patients with Failed Back Surgery Syndrome: An Experimental Pilot Study.

Goudman L, Jansen J, Vets N et al. · 2021 · Journal of clinical medicine

The increased awareness of discrepancies between self-reporting outcome measurements and objective outcome measurements within the field of neuromodulation has accelerated the search towards more objective measurements. The aim of this…

View details →DOI: 10.3390/jcm10132921
Negative / Null Result ReportMedicine

Placebo and nocebo effects in randomized controlled trials: the implications for research and practice.

Sanderson C, Hardy J, Spruyt O et al. · 2013 · Journal of pain and symptom management

Placebo and nocebo effects are known to contribute significantly to the response to symptom control, including analgesia. Clinical trial methodologies using placebo controls are designed to identify the magnitude of these effects in the…

View details →DOI: 10.1016/j.jpainsymman.2012.12.005
Negative / Null Result ReportOpen accessMedicine

Radiation Therapy for Retroperitoneal Sarcomas: A Strass-Ful Situation.

Farooqi AS, Guadagnolo BA, Mitra D et al. · 2023 · Current oncology (Toronto, Ont.)

Locoregional recurrence (LRR) is the predominant pattern of relapse and often the cause of death in patients with retroperitoneal sarcomas (RPS). As a result, reducing LRR is a critical objective for RPS patients. However, unlike soft…

View details →DOI: 10.3390/curroncol30010047
Negative / Null Result ReportOpen accessMedicine

Pembrolizumab Plus Docetaxel Versus Docetaxel for Previously Treated Metastatic Castration-Resistant Prostate Cancer: The Randomized, Double-Blind, Phase III KEYNOTE-921 Trial.

Petrylak DP, Ratta R, Matsubara N et al. · 2025 · Journal of clinical oncology : official journal of the American Society of Clinical Oncology

Purpose The standard of care for metastatic castration-resistant prostate cancer (mCRPC) after second-generation androgen receptor pathway inhibitor (ARPI) therapy is still docetaxel. The randomized, double-blind, phase III KEYNOTE-921…

View details →DOI: 10.1200/jco-24-01283
Negative / Null Result ReportOpen accessMedicine

Improved oxygenation following methylprednisolone therapy and survival in paediatric acute respiratory distress syndrome.

Mitting RB, Ray S, Raffles M et al. · 2019 · PloS one

Background Methylprednisolone remains a commonly used ancillary therapy for paediatric acute respiratory distress syndrome (PARDS), despite a lack of level 1 evidence to justify its use. When planning prospective trials it is useful to…

View details →DOI: 10.1371/journal.pone.0225737
Negative / Null Result ReportMedicine

Effect of High-Dose vs Standard-Dose Vitamin D Supplementation in Pregnancy on Bone Mineralization in Offspring Until Age 6 Years: A Prespecified Secondary Analysis of a Double-Blinded, Randomized Clinical Trial.

Brustad N, Garland J, Thorsen J et al. · 2020 · JAMA pediatrics

Importance Studies suggest an association between maternal vitamin D status during pregnancy and offspring anthropometry and bone mineralization, but investigations are few and with mixed results. Objective To investigate the effect of a…

View details →DOI: 10.1001/jamapediatrics.2019.6083
Negative / Null Result ReportOpen accessMedicine

Cholesterol efflux capacity of high-density lipoprotein was not associated with cognitive decline and brain structures in older people with diabetes mellitus.

Wu Y, Tan KC, Shiu SW et al. · 2022 · Journal of diabetes investigation

Aims/introduction To examine the association between cholesterol efflux capacity (CEC) of serum high-density lipoprotein (HDL) and cognitive function and brain structures in older people with diabetes mellitus. Materials and methods…

View details →DOI: 10.1111/jdi.13875
Negative / Null Result ReportMedicine

Pediatric ondansetron hypersensitivity: Clinical features and a preliminary diagnostic approach.

Genis C, Torun Ozel C, Selmanoglu A et al. · 2025 · Allergy and asthma proceedings

Background: Ondansetron is a common antiemetic that rarely causes hypersensitivity. Skin-prick testing (SPT) and intradermal testing (IDT) may assist in diagnosing ondansetron hypersensitivity; however, their sensitivity, specificity, and…

View details →DOI: 10.2500/aap.2025.46.250057
Negative / Null Result ReportMedicine

Three ways to find a fluke: Evaluating diagnostic methods for Fasciola hepatica surveillance in Swedish sheep.

Felländer M, Grandi G, Juremalm M et al. · 2026 · Veterinary parasitology, regional studies and reports

Infections with Fasciola hepatica are most prevalent in south-western Sweden, but climate change may facilitate further spread, as both the parasite and its snail host thrive in humid, mild conditions. Sheep are particularly susceptible,…

View details →DOI: 10.1016/j.vprsr.2026.101469
Negative / Null Result ReportMedicine

[The Simplest Scheme for Detection of "Asian-Type" DEL in Clinical Blood Transfusion Laboratories].

Yi P, Ou ZY, Wang MM et al. · 2026 · Zhongguo shi yan xue ye xue za zhi

Objective To explore the simplest scheme for detection of "Asian-type" DEL in clinical blood transfusion and its application effectiveness. Methods 100 pregnant women who tested Rh(D) negative by the saline method were selected. Their…

View details →DOI: 10.19746/j.cnki.issn1009-2137.2026.02.023
Negative / Null Result Report

Environmental Sensitivity and Digit Ratio (2D:4D): Negative Results

Iimura S, Nishaat A · 2025 · Preprint

The current study explored the associations between different levels of developmental plasticity factors—specifically, prenatal androgen exposure and the personality trait related to environmental sensitivity. We recruited participants…

View details →DOI: 10.31234/osf.io/563nm_v2
Negative / Null Result ReportMedicine

Local anesthetic hypersensitivity: Frequently suspected, rarely proven: A retrospective study of 101 patients.

Galata Z, Limoncu O, Tunakan Dalgıc C et al. · 2026 · Allergy and asthma proceedings

Introduction: Local anesthetics (LAs) are commonly used to provide regional insensitivity in dentistry, minor surgical procedures, and general anesthesia but may rarely cause allergic reactions. Methods: The file data of 101 patients who…

View details →DOI: 10.2500/aap.2026.47.260038
Negative / Null Result Report

Do commercial nitrogen-fixing and biostimulant inputs add agronomic value over standard fertilization? An equivalence-based re-analysis of three randomized field trials in the Brazilian Cerrado

Horita V, Yuan L · 2026 · Preprint

Commercial inoculants based on associative diazotrophs and methylotrophic bacteria, and bios-timulant programs, are marketed for broad use in cereal and fiber production, yet most field deployment occurs over already adequate mineral…

View details →DOI: 10.64898/2026.06.16.732230