e-ISSN: Pending

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

On the Negative Result Experiments in Quantum Mechanics.

Konishi K · 2024 · Entropy (Basel, Switzerland)

We comment on the so-called negative result experiments (also known as null measurements, interaction-free measurements, and so on) in quantum mechanics (QM), in the light of the new general understanding of the quantum-measurement…

View details →
Negative / Null Result ReportMedicine

Clinical Performance of the CTGCTV2 Assay for the BD COR System for Detection of Chlamydia trachomatis and Neisseria gonorrhoeae From Extragenital Specimens.

Van Der Pol B, Ippolito J, Gao R et al. · 2026 · Sexually transmitted diseases

Background Extragenital (oropharyngeal and anorectal) Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (or gonococci [GC]) infections are underdiagnosed. Here we report sensitivity and specificity estimates that were obtained from the…

View details →
Negative / Null Result ReportMedicine

Interpretation of the Diagnostic Accuracy of the Nasal Allergy Test.

Džafić F, Ahmetović A, Čoloman N et al. · 2026 · International archives of allergy and immunology

Introduction Allergic rhinitis (AR) is a prevalent health concern. In Europe, 20-40% of the population is affected. Diagnostic methods include skin tests, measurement of serum immunoglobulin E (IgE), nasal smear for eosinophils, and…

View details →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →
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 →